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For the use of only Registered Medical
Practitioners or a Hospital or a Laboratory.
Trametinib 0.5 mg and 2 mg tablets
MEQSEL®
Protein kinase inhibitor
DESCRIPTION AND COMPOSITION
Pharmaceutical form(s)
Trametinib 0.5 mg film-coated tablets— yellow, modified oval, biconvex, film-coated
tablets with ‘GS’ debossed on one face and ‘TFC’ on the opposing face.
Trametinib 2 mg film-coated tablets— pink, round, biconvex, film-coated tablets with
‘GS’ debossed on one face and ‘HMJ’ on the opposing face.
Certain dosage strengths and dosage forms may not be available in all countries.
Active substance
0.5 mg film-coated tablets
Each film-coated tablet contains trametinib-dimethylsulfoxide (1:1) equivalent to 0.5
mg trametinib
2 mg film-coated tablets - Each film-coated tablet contains trametinib-
dimethylsulfoxide (1:1) equivalent to 2 mg trametinib
Excipients
Tablet core:
Mannitol
Microcrystalline cellulose
Hypromellose
Croscarmellose sodium
Magnesium stearate (vegetable source)
Sodium laurylsulfate
Colloidal silicon dioxide
Tablet film-coating
Hypromellose
Titanium dioxide
Polyethylene glycol
Iron oxide yellow (for 0.5 mg tablets)
Polysorbate 80 and Iron oxide red (for 2 mg tablets).
India pack insert dtd 5 Dec 2019 based on IPL dtd 12 Nov 2018
Page 1 of 32Pharmaceutical formulations may vary between countries.
INDICATIONS
Unresectable or metastatic melanoma
Meqsel in combination with dabrafenib is indicated for the treatment of patients with
unresectable or metastatic melanoma with a BRAF V600 mutation (see CLINICAL
STUDIES).
Meqsel as a monotherapy is indicated for the treatment of patients with unresectable
or metastatic melanoma with a BRAF V600 mutation (see CLINICAL STUDIES).
Meqsel as monotherapy has not demonstrated clinical activity in patients who have
progressed on a prior BRAF inhibitor therapy (see CLINICAL STUDIES).
Advanced non-small cell lung cancer
Meqsel in combination with dabrafenib is indicated for the treatment of patients with
advanced non-small cell lung cancer (NSCLC) with a BRAF V600 mutation.
DOSAGE REGIMEN AND ADMINISTRATION
Treatment with Meqsel should be initiated by a physician experienced in the use of
anticancer therapies.
Dose regimen
General target population
Adults
Confirmation of BRAF V600 mutation using an approved/validated test is required for
selection of patients appropriate for treatment with Meqsel as monotherapy and in
combination with dabrafenib (see CLINICAL STUDIES).
When Meqsel is used in combination with dabrafenib, please refer to the full dabrafenib
prescribing information (see DOSAGE REGIMEN AND ADMINISTRATION).
The recommended dose of Meqsel either as monotherapy or in combination with
dabrafenib is 2 mg given orally once daily with a full glass of water.
Meqsel should be taken without food, at least one hour before or two hours after a
meal (see CLINICAL PHARMACOLOGY).
When Meqsel and dabrafenib are taken in combination, the once-daily dose of Meqsel
should be taken at the same time each day with either the morning dose or the evening
dose of dabrafenib.
If a dose of Meqsel is missed, it should only be taken if it is more than 12 hours until
the next scheduled dose.
Dose adjustments
Meqsel as Monotherapy and in combination with dabrafenib
The management of adverse events/adverse drug reactions may require treatment
interruption, dose reduction, or treatment discontinuation (see Table 1 and Table 2).
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Page 2 of 32Table 1 Recommended Meqsel dose level reductions
Dose Level Meqsel Dose
Starting dose 2 mg once daily
First dose reduction 1.5 mg once daily
Second dose reduction 1 mg once daily
Dose adjustment for Meqsel,, below 1 mg once daily is not recommended, whether
used as monotherapy or in combination with Rafinlar.
Table 2: Meqsel dose modification schedule
Grade (CTC-AE)* Dose Modifications
Grade 1 or Grade 2 Continue treatment and monitor as clinically indicated.
(Tolerable)
Grade 2 (Intolerable) or Interrupt therapy until toxicity is grade 0 to1and reduce by one dose level
Grade 3 when resuming therapy.
Grade 4 Discontinue permanently, or interrupt therapy until Grade 0 to 1 and reduce
by one dose level when resuming therapy.
* The intensity of clinical adverse events graded by the Common Terminology Criteria for Adverse
Events v4.0 (CTC-AE)
When an individual’s adverse reactions are under effective management, dose re-
escalation following the same dosing steps as de-escalation may be considered. The
Meqsel dose should not exceed 2 mg once daily.
If treatment related toxicities occur when Meqsel is used in combination with
dabrafenib then both treatments should be simultaneously dose reduced, interrupted
or discontinued with the exceptions shown below.
Exceptions where dose modifications are necessary for Meqsel only:
• Left ventricular ejection fraction (LVEF) reduction
• Retinal vein occlusion (RVO) and retinal pigment epithelial detachment (RPED)
• Pneumonitis and Interstitial Lung Disease (ILD)
LVEF Reduction/Left Ventricular Dysfunction management: Meqsel should be
interrupted in patients who have an asymptomatic, absolute decrease of > 10 % in
LVEF compared to baseline and the ejection fraction below the institution’s lower limit
of normal (LLN) (see WARNINGS AND PRECAUTIONS). If Meqsel is being used in
combination with dabrafenib then therapy with dabrafenib may be continued at the
same dose. If the LVEF recovers, treatment with Meqsel may be restarted, but the
dose should be reduced by one dose level with careful monitoring. Meqsel should be
permanently discontinued with Grade 3 or 4 left ventricular cardiac dysfunction or if
repeatedly reduced LVEF does not recover.
India pack insert dtd 5 Dec 2019 based on IPL dtd 12 Nov 2018
Page 3 of 32Retinal vein occlusion (RVO) and retinal pigment epithelial detachment (RPED)
management: If RPED is diagnosed, the dose modification schedule (intolerable) in
Table 2 above for Meqsel should be followed and, if Meqsel is being used in
combination with dabrafenib, dabrafenib should be continued at the same dose. In
patients who experience RVO, treatment with Meqsel should be permanently
discontinued (see WARNINGS AND PRECAUTIONS).
Pneumonitis and Interstitial Lung Disease (ILD) management: For events of
pneumonitis, follow dose modification guidelines in Table 2 for Meqsel only; no
modification of dabrafenib is required when taken in combination with Meqsel.
Refer to the full prescribing information of dabrafenib for dose modification guidelines
(see DOSAGE REGIMEN AND ADMINISTRATION).
Special populations
Renal impairment
No dosage adjustment is required in patients with mild or moderate renal impairment.
Mild or moderate renal impairment had no significant effect on the population
pharmacokinetics of Meqsel (see CLINICAL PHARMACOLOGY, Pharmacokinetics).
There are no clinical data in patients with severe renal impairment; therefore, the
potential need for starting dose adjustment cannot be determined. Meqsel should be
used with caution in patients with severe renal impairment.
Hepatic impairment
No dosage adjustment is required in patients with mild hepatic impairment. In a
population pharmacokinetic analysis, Meqsel oral clearance and thus exposure was
not significantly different in patients with mild hepatic impairment compared to patients
with normal hepatic function (see CLINICAL PHARMACOLOGY,
PHARMACOKINETICS). There are no clinical data in patients with moderate or severe
hepatic impairment; therefore, the potential need for starting dose adjustment cannot
be determined. Meqsel should be used with caution in patients with moderate or severe
hepatic impairment.
Pediatric patients (below 18 years)
The safety and efficacy of Meqsel in pediatric patients have not been established.
Meqsel is not recommended in this age group.
Geriatric patients (65 years or above)
No dosage adjustment is required in patients over 65 years of age (see CLINICAL
PHARMACOLOGY PHARMACOKINETICS).
CONTRAINDICATIONS
None.
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Page 4 of 32WARNINGS AND PRECAUTIONS
When Meqsel is used together with dabrafenib read the full prescribing information for
dabrafenib section WARNINGS AND PRECAUTIONS.
LVEF Reduction/Left Ventricular Dysfunction:
Meqsel has been reported to decrease LVEF (see ADVERSE DRUG REACTIONS).
In clinical trials, the median time to onset of the first occurrence of left ventricular
dysfunction, cardiac failure and LVEF decrease in patients treated with Meqsel as
monotherapy or in combination with dabrafenib was between two to five months.
Meqsel should be used with caution in patients with conditions that could impair left
ventricular function. LVEF should be evaluated in all patients prior to initiation of
treatment with Meqsel with a recommendation of periodic follow-up within eight weeks
of initiating therapy, as clinically appropriate. LVEF should continue to be evaluated
during treatment with Meqsel as clinically appropriate (see DOSAGE REGIMEN AND
ADMINISTRATION).
Haemorrhage:
Haemorrhagic events, including major hemorrhagic events have occurred in patients
taking Meqsel as monotherapy and in combination with dabrafenib (see ADVERSE
DRUG REACTIONS). Out of the 559 unresectable or metastatic melanoma patients
treated with Meqsel in combination with dabrafenib, there were six fatal intracranial
hemorrhagic cases (1%). Three cases were from study MEK115306 (COMBI-d) and
three cases were from study MEK116513 (COMBI-v). Two out of 93 patients (2%)
receiving Meqsel in combination with dabrafenib in a Phase II NSCLC trial had fatal
intracranial hemorrhagic events. If patients develop symptoms of haemorrhage they
should immediately seek medical care.
Visual Impairment:
Disorders associated with visual disturbances, including chorioretinopathy or retinal
pigment epithelial detachment (RPED) and Retinal Vein Occlusion (RVO) have been
observed with Meqsel. Symptoms such as blurred vision, decreased acuity, and other
visual phenomena have been reported in the clinical trials with Meqsel (see ADVERSE
DRUG REACTIONS). Meqsel is not recommended in patients with a history of RVO.
A thorough ophthalmological evaluation should be performed at baseline and during
treatment with Meqsel, if clinically warranted. If patients report visual disturbances at
any time while on Meqsel therapy, additional ophthalmological evaluation should be
undertaken. If a retinal abnormality is noted, treatment with Meqsel should be
interrupted immediately and referral to a retinal specialist should be considered. If
RPED is diagnosed, the dose modification schedule (intolerable) in Table 2 should be
followed (see DOSAGE REGIMEN AND ADMINISTRATION). In patients who
experience RVO, treatment with Meqsel should be permanently discontinued.
Rash:
In clinical studies, rash has been observed in about 60 % of patients receiving Meqsel
as monotherapy and 20 to 30% receiving Meqsel in combination with dabrafenib (see
ADVERSE DRUG REACTIONS). The majority of these cases were Grade 1 or 2 and
did not require any dose interruptions or dose reductions.
India pack insert dtd 5 Dec 2019 based on IPL dtd 12 Nov 2018
Page 5 of 32Deep vein thrombosis (DVT)/Pulmonary embolism (PE):
DVT and PE can occur on Meqsel monotherapy and when Meqsel is used in
combination with dabrafenib. Patients should be advised to immediately seek medical
care if they develop symptoms of pulmonary embolism or deep vein thrombosis.
Pyrexia:
Pyrexia was reported in the clinical trials with Meqsel. The incidence and severity of
pyrexia are increased when Meqsel is used in combination with dabrafenib (see
ADVERSE DRUG REACTIONS). In patients with unresectable or metastatic
melanoma who received the combination dose of Meqsel 2 mg once daily and Rafinlar
150 mg twice daily developed pyrexia, approximately half of the first occurrences of
pyrexia happened within the first month of therapy. About one-third of the patients
receiving combination therapy who experienced pyrexia had three or more events.
Pyrexia may be accompanied by severe rigors, dehydration, and hypotension which in
some cases can lead to acute renal insufficiency. Serum creatinine and other evidence
of renal function should be monitored during and following severe events of pyrexia.
Serious non-infectious febrile events have been observed. These events responded
well to dose interruption and/or dose reduction and supportive care in clinical trials.
For management of pyrexia see the full prescribing information for dabrafenib (see
DOSAGE REGIMEN AND ADMINISTRATION, Dose adjustments).
Colitis and gastrointestinal perforation
Colitis and gastrointestinal perforation, including fatal outcome, have been reported in
patients taking Meqsel as monotherapy and in combination with dabrafenib
(ADVERSE DRUG REACTIONS). Treatment with Meqsel monotherapy or in
combination with dabrafenib should be used with caution in patients with risk factors
for gastrointestinal perforation, including a history of diverticulitis, metastases to the
gastrointestinal tract and concomitant use of medications with a recognized risk of
gastrointestinal perforation.
If patients develop symptoms of colitis and gastrointestinal perforation they should
immediately seek medical care.
ADVERSE DRUG REACTIONS
Summary of the safety profile
Unresectable or metastatic melanoma
Meqsel monotherapy
The safety of Meqsel monotherapy was evaluated in an integrated population of 329
patients with BRAF V600 mutant unresectable or metastatic melanoma treated with
Meqsel 2 mg orally once daily in studies MEK114267, MEK113583, and MEK111054..
Of these patients, 211 patients were treated with Meqsel for BRAF V600 mutant
melanoma in the randomized open-label study MEK114267 (see CLINICAL
STUDIES). The most common adverse events (≥ 20 %) for Meqsel were rash,
diarrhoea, fatigue, oedema peripheral, nausea, and dermatitis acneiform. In clinical
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Page 6 of 32trials with Meqsel, adverse events of diarrhoea and rash were managed with
appropriate supportive care (see DOSAGE REGIMEN AND ADMINISTRATION).
Meqsel and Rafinlar combination therapy:
The safety of Meqsel and Rafinlar combination therapy was evaluated in two
randomized Phase III studies of patients with BRAF V600 mutant unresectable or
metastatic melanoma treated with Meqsel 2 mg orally once daily and Rafinlar 150 mg
orally twice daily (see CLINICAL STUDIES). The most common adverse events
(20%) for Meqsel and Rafinlar combination therapy were pyrexia, fatigue, nausea,
headache, chills, diarrhoea, rash, arthralgia, hypertension, vomiting, peripheral
oedema and cough.
Tabulated summary of adverse events from clinical trials in metastatic melanoma:
Adverse events from clinical trials in patients with unresectable or metastatic
melanoma are listed by MedDRA system organ class in Table 3 and Table 4 for Meqsel
monotherapy and Meqsel in combination with Rafinlar, respectively. Within each
system organ class, the adverse events are ranked by frequency, with the most
frequent adverse events first. In addition, the corresponding frequency category for
each adverse event is based on the following convention (CIOMS III): very common
(≥1/10); common (≥1/100 to <1/10); uncommon (≥1/1,000 to <1/100); rare (≥1/10,000
to <1/1,000); very rare (<1/10,000).
Table 3 Unresectable or metastatic melanoma-adverse events for Meqsel
monotherapy
Adverse events
Frequency category
Integrated Safety Data
N=329
Infections and Infestations
Folliculitis Common
Paronychia Common
Cellulitis Common
Rash pustular Common
Blood and lymphatic system disorders
Anaemia Common
Immune system disorders
Hypersensitivity1) Common
Metabolism and nutrition disorders
Dehydration Common
Eye disorders
Vision blurred Common
Periorbital oedema Common
Visual Impairment Common
India pack insert dtd 5 Dec 2019 based on IPL dtd 12 Nov 2018
Page 7 of 32Chorioretinopathy Uncommon
Retinal vein occlusion Uncommon
Papilloedema Uncommon
Retinal detachment Uncommon
Cardiac disorders
Left ventricular dysfunction Common
Ejection fraction decreased Common
Bradycardia Common
Cardiac failure Uncommon
Vascular disorders
Hypertension Very common
Haemorrhage2) Very common
Lymphoedema Common
Respiratory, thoracic and mediastinal disorders
Cough Very common
Dyspnea Very common
Epistaxis Common
Pneumonitis Common
Interstitial lung disease Uncommon
Gastrointestinal disorders
Diarrhoea Very common
Nausea Very Common
Vomiting Very Common
Constipation Very Common
Abdominal pain Very Common
Dry mouth Very Common
Stomatitis Common
Gastrointestinal perforation Uncommon
Collitis Uncommon
Skin and Subcutaneous Tissue Disorders
Rash Very common
Dermatitis acneiform Very common
Dry Skin Very common
Pruritus Very common
Alopecia Very common
Skin chapped Common
Erythema Common
Palmar-plantar erythrodysaesthesia syndrome Common
Skin fissures Common
Musculoskeletal and connective tissue disorder
Rhabdomyolysis Uncommon
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Page 8 of 32Blood creatine phosphokinase increased Common
General disorders
Fatigue Very common
Oedema peripheral Very common
Pyrexia Very common
Face oedema Common
Mucosal inflammation Common
Asthenia Common
Investigations
Aspartate aminotransferase increased Common
Alanine aminotransferase increased Common
Blood alkaline phosphatase increased Common
1) May present with symptoms such as fever, rash, increased liver function tests, and visual disturbances.
2) The majority of bleeding events were mild. Major events, defined as symptomatic bleeding in a critical area or organ,
and fatal intracranial haemorrhages have been reported.
Table 4 lists adverse events when Meqsel was used in combination with Rafinlar from
the randomized double-blind Phase III study MEK115306 (N=209), and integrated
safety data from MEK115306 (N=209) and from the randomized open-label Phase III
study MEK 116513 (N=350).
Table 4: Unresectable or metastatic Melanoma -Adverse events for Meqsel in combination with
Rafinlar
Adverse events Frequency category
MEK115306 MEK115306
(COMBI-d) (COMBI-d)
N=209 plus
MEK116513
(COMBI-v)
Integrated Safety Data
N=559
Infections and Infestations
Urinary tract infection Very common Common
Nasopharyngitis Very common Very common
Cellulitis Common Common
Folliculitis Common Common
Paronychia Common Common
Rash pustular Common Common
Neoplasms benign, malignant and unspecified (including cysts and polyps)
Cutaneous squamous cell carcinoma (SCC) including Common Common
SCC of the skin,
SCC in situ (Bowen’s disease) and
keratoacanthoma
Papilloma including skin papilloma Common Common
Seborrhoeic keratosis Common Common
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Page 9 of 32Adverse events Frequency category
MEK115306 MEK115306
(COMBI-d) (COMBI-d)
N=209 plus
MEK116513
(COMBI-v)
Integrated Safety Data
N=559
Acrochordon (skin tags) Common Uncommon
New primary melanoma Uncommon Uncommon
Blood and lymphatic system disorders
Neutropenia Very common Common
Anaemia Common Common
Thrombocytopenia Common Common
Leukopenia Common Common
Immune system disorders
Hypersensitivity Uncommon Uncommon
Metabolic and nutrition disorders
Decreased appetite Very common Very common
Dehydration Common Common
Hyperglycaemia Common Common
Hyponatraemia Common Common
Hypophosphataemia Common Common
Nervous system disorders
Headache Very common Very common
Dizziness Very common Very common
Eye disorders
Vision blurred Common Common
Visual impairment Common Common
Chorioretinopathy Uncommon Uncommon
Uveitis Uncommon Uncommon
Retinal detachment Uncommon Uncommon
Periorbital oedema Uncommon Uncommon
Cardiac disorders
Ejection fraction decreased Common Common
Bradycardia Common Common
Left ventricular dysfunction Not reported Uncommon
Cardiac failure Not reported Uncommon
Vascular disorders
Hypertension Very common Very common
Haemorrhage1) Very common Very common
Hypotension Common Common
Lymphoedema Uncommon Common
Respiratory, thoracic and mediastinal disorders
Cough Very common Very common
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Page 10 of 32Adverse events Frequency category
MEK115306 MEK115306
(COMBI-d) (COMBI-d)
N=209 plus
MEK116513
(COMBI-v)
Integrated Safety Data
N=559
Dyspnoea Common Common
Pneumonitis Uncommon Uncommon
Interstitial lung disease Not reported Uncommon
Gastrointestinal disorders
Abdominal pain Very common Very common
Constipation Very common Very common
Diarrhoea Very common Very common
Nausea Very common Very common
Vomiting Very common Very common
Dry mouth Common Common
Stomatitis Common Common
Pancreatitis Uncommon Uncommon
Gastrointestinal perforation Not reported Uncommon
Colitis Uncommon Uncommon
Skin and subcutaneous tissue disorders
Dry skin Very common Very common
Pruritus Very common Very common
Rash Very common Very common
Dermatitis acneiform Very common Common
Erythema Common Common
Actinic keratosis Common Common
Night sweats Common Common
Hyperkeratosis Common Common
Alopecia Common Common
Palmar-plantar erythrodysaesthesia syndrome Common Common
Skin lesion Common Common
Hyperhidrosis Common Common
Skin fissures Common Common
Panniculitis Common Common
Photosensitivity 2) Common Common
Musculoskeletal and connective tissue disorders
Arthralgia Very common Very common
Myalgia Very common Very common
Pain in extremity Very common Very common
Muscle spasms Common Common
Blood creatine phosphokinase increased Common Common
Rhabdomyolysis Not reported Uncommon
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Page 11 of 32Adverse events Frequency category
MEK115306 MEK115306
(COMBI-d) (COMBI-d)
N=209 plus
MEK116513
(COMBI-v)
Integrated Safety Data
N=559
Renal disorders
Renal failure Uncommon Common
Nephritis Uncommon Uncommon
Renal failure acute Not reported Uncommon
General disorders and administration site disorders
Fatigue Very common Very common
Oedema peripheral Very common Very common
Pyrexia Very common Very common
Chills Very common Very common
Asthenia Very common Very common
Mucosal inflammation Common Common
Influenza-like illness Common Common
Face oedema Common Common
Investigations
Alanine aminotransferase increased Very common Very common
Aspartate aminotransferase increased Very common Very common
Blood alkaline phosphatase increased Common Common
Gamma-glutamyltransferase increased Common Common
1) The majority of bleeding events were mild. Major events, defined as symptomatic bleeding in a critical
area or organ, and fatal intracranial haemorrhages have been reported.
2) Photosensitivity cases were also observed in post-marketing experience. All cases reported in the
COMBI-d and COMBI-v were Grade – 1 and no dose modification was required
Metastatic melanoma patients with brain metastases
The safety profile observed in study BRF117277/DRB436B2204 (COMBI-MB) in
metastatic melanoma patients with brain metastases is consistent with the safety
profile of Meqsel in combination with Rafinlar in unresectable or metastatic melanoma
(see CLINICAL STUDIES).
Advanced non-small cell lung cancer (NSCLC)
Meqsel in combination with Rafinlar:
The safety of Meqsel in combination with Rafinlar was evaluated in a Phase II,
multicenter, multi-cohort, non-randomized, open label study of patients with BRAF
V600E mutation positive metastatic NSCLC (see CLINICAL STUDIES).
In the Meqsel 2 mg orally once daily and Rafinlar 150 mg orally twice daily arms
(Cohorts B and C) the most common adverse events (20%) reported for Meqsel and
Rafinlar combination therapy were pyrexia, nausea, vomiting, peripheral oedema,
India pack insert dtd 5 Dec 2019 based on IPL dtd 12 Nov 2018
Page 12 of 32diarrhoea, decreased appetite, asthenia, dry skin, chills, cough, fatigue, rash and
dyspnea.
Table 5 lists the adverse drug reactions for Meqsel in combination with Rafinlar
occurring at an incidence 10% for all adverse drug reactions or at an incidence 2%
for Grade 3 and Grade 4 adverse drug reactions or events which are medically
significant in Cohorts B and C of study BRF113928.
Adverse drug reactions are listed by MedDRA system organ class. Within each system
organ class, the adverse drug reactions are ranked by frequency, with the most
frequent adverse drug reactions first. In addition, the corresponding frequency
category for each adverse drug reaction is based on the following convention (CIOMS
III): very common (≥1/10); common (≥1/100 to <1/10); uncommon (≥1/1,000 to <1/100);
rare (≥1/10,000 to <1/1,000); very rare (<1/10,000).
Table 5: Advanced NSCLC - Adverse drug reactions for Meqsel in combination with
Rafinlar
Meqsel in combination with Rafinlar
Adverse drug reaction N=93
All grades Grades 3/4
Frequency
category
% %
Neoplasms benign, malignant and unspecified (including cysts and polyps)
Cutaneous squamous cell carcinoma 3 2 Common
Blood and lymphatic system disorders
Neutropenia1) 15 8 Very common
Leukopenia 6 2 Common
Metabolism and nutrition disorders
Hyponatraemia 14 9 Very common
Dehydration 8 3 Common
Eye disorders
Detachment of retina/retinal pigment epithelium 2 NR Common
Nervous system disorders
Headache 16 NR Very common
Dizziness 14 NR Very common
Cardiac disorders
Ejection fraction decreased 9 4 Common
Vascular disorders
Haemorrhage2 26 3 Very common
Hypotension 15 2 Very common
Pulmonary embolism 4 2 Common
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Page 13 of 32Meqsel in combination with Rafinlar
Adverse drug reaction N=93
All grades Grades 3/4
Frequency
category
% %
Hypertension 8 6 Common
Gastrointestinal disorders
Nausea 46 NR Very common
Vomiting 37 3 Very common
Diarrhoea 33 2 Very common
Decreased appetite 28 NR Very common
Constipation 16 NR Very common
Pancreatitis acute 1 NR Common
Skin and subcutaneous tissue disorders
Erythema 10 NR Very common
Dry skin 32 1 Very common
Rash3) 31 3 Very common
Pruritus4) 15 2 Very common
Hyperkeratosis5) 13 1 Very common
Musculoskeletal and connective tissue disorders
Muscle spasms 10 NR Very common
Arthralgia 16 NR Very common
Myalgia 13 NR Very common
Renal and urinary disorders
Renal failure 3 1 Common
Tubulointerstitial nephritis 2 2 Common
General disorders and administration site disorders
Pyrexia 55 5 Very common
Asthenia6) 47 6 Very common
Oedema7) 35 NR Very common
Chills 24 1 Very common
Investigations
Blood alkaline phosphatase increased 12 NR Very common
Aspartate aminotransferase increased 11 2 Very common
Alanine aminotransferase increased 10 4 Very common
1) Neutropenia includes neutropenia and neutrophil count decreased. Neutrophil count decreased qualified as a neutropenia
event.
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Page 14 of 32Meqsel in combination with Rafinlar
Adverse drug reaction N=93
All grades Grades 3/4
Frequency
category
% %
2.) Haemorrhage includes cases of haemoptysis, haematoma, epistaxis, purpura, haematuria, subarachnoid haemorrhage,
gastric haemorrhage, urinary bladder haemorrhage, contusion, haematochezia, injection site haemorrhage, melaena,
pulmonary and retroperitoneal haemorrhage.
3) Rash includes rash, rash generalized, rash papular, rash macular, rash maculo-papular, and rash pustular.
4) Pruritus includes pruritus, pruritus generalized, and eye pruritus.
5) Hyperkeratosis includes hyperkeratosis, actinic keratosis, seborrhoeic keratosis, and keratosis pilaris.
6) Asthenia also includes fatigue and malaise.
7) Oedema includes generalized oedema and peripheral oedema.
NR: Not Reported
INTERACTIONS
Monotherapy
As Trametinib is metabolized predominantly via deacetylation mediated by hydrolytic
enzymes (including carboxylesterases), its pharmacokinetics are unlikely to be
affected by other agents through metabolic interactions. Trametinib repeat-dose
exposure was not affected by co-administration with a cytochrome P450 (CYP) 3A4
inducer.
Based on in vitro and in vivo data, Meqsel is unlikely to significantly affect the
pharmacokinetics of other medicinal products via interactions with CYP enzymes or
transporters (see CLINICAL PHARMACOLOGY, Pharmacokinetics). Repeat dose
administration of Meqsel 2 mg once daily had no clinically relevant effect on the single
dose C and AUC of dabrafenib, a CYP2C8/CYP3A4 substrate.
max
Combination therapy and non-fixed dose combination therapy
Combination with Rafinlar
Co-administration of repeat dosing of Meqsel 2 mg once daily and Rafinlar 150 mg
twice daily resulted in a 16% increase in dabrafenib C and a 23% increase in
max
dabrafenib AUC. A small decrease in Trametinib bioavailability, corresponding to a
decrease in AUC of 12%, was estimated when Meqsel is administered in combination
with Rafinlar using a population pharmacokinetic analysis. These changes in
dabrafenib or trametinib C and AUC are considered not clinically relevant. See the
max
full prescribing information for dabrafenib for guidelines on drug interactions associated
with Rafinlar monotherapy.
PREGNANCY, LACTATION, FEMALES AND MALES OF REPRODUCTIVE
POTENTIAL
Pregnancy
Risk summary
Meqsel can cause fetal harm when administered to a pregnant woman. There are no
adequate and well-controlled studies of Meqsel in pregnant women. Reproductive
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Page 15 of 32studies in animals (rats and rabbits) have demonstrated that trametinib induces
maternal and developmental toxicity. In rats decreased fetal weight and increased
incidences of post implantation loss were observed following maternal exposure to
trametinib at concentrations 0.3 and 1.8 times the exposure in humans at the highest
recommended dose of 2 mg once daily. In rabbits, decreased fetal weight and
increased incidence of variations in ossification and post implantation loss were
observed following maternal exposure to trametinib at concentrations 0.09 and 0.3
times the exposure in humans at the highest recommended dose of 2 mg once
daily.Pregnant women should be advised of the potential risk to the fetus.
Animal data
In embryo-fetal development studies, rats and rabbits received oral doses of trametinib
up to 0.125 mg/kg/day and 0.31 mg/kg/day, respectively, during the period of
organogenesis. In rats at 0.031 mg/kg/day and 0.125 mg/kg/day, maternal systemic
exposures (AUC) were 110 ng*h/mL and 684 ng*h/mL, respectively, corresponding to
approximately 0.3 and 1.8 times the exposure in humans at the highest recommended
dose of 2 mg once daily. At doses 0.031 mg/kg/day developmental toxicity consisted
of decreased fetal weights. At a dose of 0.125 mg/kg/day there was maternal toxicity
and increases in post implantation loss. In rabbits at 0.039 mg/kg/day and 0.15
mg/kg/day, maternal systemic exposures (AUC) were 31.9 ng*h/mL and 127 ng*h/mL,
respectively corresponding to approximately 0.09 and 0.3 times the exposures in
humans at the highest recommended dose of 2 mg once daily. At doses 0.039
mg/kg/day developmental toxicity consisted in decreased fetal body weight and
increased incidence of variations in ossification. At doses 0.15 mg/kg/day there t were
increases in post-implantation loss, including total loss of pregnancy, compared with
control animals.
Lactation
Risk summary
There are no data on the effect of Meqsel on the breast-fed child, or the effect of Meqsel
on milk production. Because many drugs are transfered into human milk and because
of the potential for adverse reactions in nursing infants from Meqsel, a nursing woman
should be advised on the potential risks to the child. The developmental and health
benefits of breast-feeding should be considered along with the mother’s clinical need
for Meqsel and any potential adverse effects on the breast-fed child from Meqsel or
from the underlying maternal condition.
Females and males of reproductive potential
Contraception
Females
Females of reproductive potential should be advised that animal studies have been
performed showing Meqsel to be harmful to the developing fetus. Sexually-active
females of reproductive potential are recommended to use effective contraception
(methods that result in less than 1% pregnancy rates) when taking Meqsel and for
atleast 16 weeks after stopping treatment with Meqsel.
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Page 16 of 32Females of reproductive potential receiving Meqsel in combination with dabrafenib
should be advised that dabrafenib may decrease the efficacy of oral or any other
systemic hormonal contraceptives and an effective alternative method of contraception
should be used.
Males
Male patients (including those that have had a vasectomy) with sexual partners who
are pregnant, possibly pregnant, or who could become pregnant should use condoms
during sexual intercourse while taking Meqsel monotherapy or in combination with
Rafinlar and for at least 16 weeks after stopping treatment with Meqsel.
Infertility
There is no information on the effect of Meqsel on human fertility. In animals, no fertility
studies have been performed, but adverse effects were seen on female reproductive
organs (see NON-CLINICAL SAFETY DATA). Meqsel may impair fertility in humans.
OVERDOSAGE
No cases of overdose have been reported. There were no cases of Meqsel dose above
4 mg once daily reported from the clinical trials. Doses up to 4 mg orally once daily and
loading doses of 10 mg orally once daily administered on two consecutive days, have
been evaluated in clinical trials.
Further management should be as clinically indicated or as recommended by the
national poisons centre, where available. There is no specific treatment for an
overdose of trametinib. If overdose occurs, the patient should be treated supportively
with appropriate monitoring as necessary. Hemodialysis is not expected to enhance
the elimination as trametinib is highly bound to plasma proteins.
CLINICAL PHARMACOLOGY
Mechanism of action (MOA)
Meqsel Monotherapy - Melanoma and NSCLC
Trametinib (Meqsel) is a reversible, highly selective, allosteric inhibitor of mitogen-
activated extracellular signal regulated kinases 1 (MEK1) and 2 (MEK2) activation and
kinase activity. MEK proteins are critical components of the extracellular signal-
regulated kinase (ERK) pathway. In melanoma and other cancers, this pathway is often
activated by mutated forms of BRAF which activate MEK and stimulate tumour cell
growth. Trametinib inhibits MEK kinaseactivity activity, suppresses growth of BRAF
V600 mutant melanoma and non-small cell lung cancer (NSCLS) cell lines in vitro and
demonstrates anti-tumour effects in BRAF V600 mutant melanoma xenograft models.
Meqsel in combination with dabrafenib - Melanoma and NSCLC
Dabrafenib is a potent, selective, ATP-competitive inhibitor of the BRAF (both wild-type
and V600 variants) and wild type CRAF kinases. Oncogenic mutations in BRAF lead
to constitutive activation of the RAS/RAF/MEK/ERK pathway and stimulation of tumor
cell growth. Because, co-treatment with Meqsel and Rafinlar results in concomitant
inhibition of two kinases in this pathway, BRAF and MEK, the combination provides
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Page 17 of 32superior pathway suppression relative to either agent alone. The combination of
trametinib with dabrafenib is synergistic/additive in BRAF V600 mutation positive
melanoma and NSCLC cell lines in vitro and delays the emergence of resistance in
vivo in BRAF V600 mutation positive melanoma xenografts.
Pharmacodynamics (PD)
Trametinib suppressed levels of phosphorylated ERK in BRAF V600 mutant melanoma
and NSCLC tumour cell lines and melanoma xenografts models.
In patients with BRAF and NRAS mutant melanoma, administration of Meqsel resulted
in dose-dependent changes in tumor biomarkers including inhibition of phosphorylated
ERK, inhibition of Ki67 (a marker of cell proliferation),and increases in p27 ( a marker
of apoptosis). The mean trametinib concentrations observed following repeat dose
administration of 2 mg once daily exceeds the preclinical target concentration over the
24-hr dosing interval, thereby providing sustained inhibition of the MEK pathway.
Cardiac electrophysiology
Study MEK111054
Initially the QT prolongation potential of trametinib was assessed as part of the first
time in human study to determine the relationship between the independently
manually-read QTc interval and plasma concentrations of trametinib using a nonlinear
mixed effects model. Data were available in 50 patients with a total of 498 matched
QTc values. Based on the concentration-QTc analysis, Meqsel showed no apparent
potential to alter the QTc interval. At the mean C value observed at the
max
recommended dose of 2 mg once daily, the median increase in QTc is 2.2 msec (90 %
CI: 0.2, 4.0).
To confirm the lack of effect on QTc, the QT prolongation potential of Meqsel was
further assessed in a dedicated, stand-alone Phase I study in 35 patients (32 patients
completed the study) with solid tumors. Patients received 3 mg matched placebo on
study day 1 followed by a 2 mg once daily dose of Meqsel and 2 tablets of 0.5 mg
matched placebo on study days 2 to 14. On study day 15, all patients received a
single dose of 3 mg Meqsel (supratherapeutic dose). The study showed no potential
for Meqsel to alter the QTcF interval after repeat dose administration of 2 mg,
including at the supratherapeutic dose of 3 mg on day 15. At a dose 1.5 times the
maximum recommended dose, Meqsel does not prolong the QT interval to any
clinically relevant extent.
Pharmacokinetics (PK)
Absorption
Trametinib is absorbed orally with median time to achieve peak concentrations of 1.5
hours post-dose. The mean absolute bioavailability of a single 2 mg tablet dose is 72 %
relative to an intravenous (IV) microdose. The increase in exposure (C and AUC)
max
was dose-proportional following repeat dosing. Following administration of 2 mg daily,
geometric mean C , AUC(0-τ) and pre dose concentration were 22.2 ng/ml, 370
max
ng*hr/ml and 12.1 ng/ml, respectively with a low peak:trough ratio (1.8). Inter-subject
variability was low (< 28 %). Administration of a single dose of trametinib with a high-
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Page 18 of 32fat, high-calorie meal resulted in a 70 % and 10 % decrease in C and AUC,
max
respectively compared to fasted conditions (see DOSAGE REGIMEN AND
ADMINISTRATION).
Distribution
Binding of trametinib to human plasma proteins is 97.4 %. Trametinib has a volume of
distribution of 1,060 L determined following administration of a 5 microgram IV
microdose.
Biotransformation/Metabolism
In vitro and in vivo studies demonstrated that trametinib is metabolized predominantly
via deacetylation alone or in combination with mono-oxygenation. The deacetylated
metabolite was further metabolized by glucuronidation. The deacetylation is mediated
by the carboxy-lesterase 1b,1c and 2) and may also be mediated by other hydrolytic
enzymes.
Elimination
Trametinib accumulates with repeat daily dosing with a mean accumulation ratio of 6.0
following a 2 mg once daily dose. Mean terminal half-life is 127 hours (5.3 days) after
single dose administration. Steady-state was achieved by Day 15. Trametinib plasma
IV clearance is 3.21 l/hr.
Total dose recovery is low after a 10-day collection period (< 50 %) following
administration of a single oral dose of radiolabelled trametinib as a solution, due to the
long half-life. Drug-related material was excreted predominantly in the feces (≥81% of
recovered radioactivity) and to a small extent in urine (≤19%). Less than 0.1% of the
excreted dose was recovered as parent in urine.
In Vitro evaluation of drug interaction potential
Effects of other drugs on trametinib:
In vitro and in vivo data suggest that the pharmacokinetics (PK) of trametinib is unlikely
to be affected by other drugs. Trametinib is deacetylated via carboxylesterases and
possibly other hydrolytic enzymes. There is little evidence from clinical studies for drug
interactions mediated by carboxylesterases. CYP enzymes play a minor role in the
elimination of trametinib and the compound is not a substrate of the following
transporters: breast cancer resistance protein (BCRP), organic anion transporting
polypeptide (OATP) 1B1, OATP1B3, OATP2B1, organic cation transporter (OCT) 1,
multidrug resistance-associated protein (MRP) 2, and the multidrug and toxin extrusion
protein (MATE) 1. Trametinib is an in vitro substrate of the efflux transporter P-
glycoprotein (Pgp), but is unlikely to be significantly affected by inhibition of this
transporter given its high passive permeability and high bioavailability.
Special Populations
Pediatric population (below 18 years)
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Page 19 of 32No studies have been conducted to investigate the pharmacokinetics of Meqsel in
paediatric patients.
Geriatric population (65 years or above)
Based on the population pharmacokinetics analysis, age had no relevant clinical effect
on Meqsel pharmacokinetics.
Gender/Weight
Based on the population pharmacokinetic analysis, gender and weight were found to
influence trametinib oral clearance. Although smaller female subjects are predicted to
have higher exposure than heavier male subjects, these differences are unlikely to be
clinically relevant and no dose adjustment is warranted.
Race/Ethnicity
There are insufficient data to evaluate the potential effect of race on trametinib
pharmacokinetics.
Renal Impairment
Renal impairment is unlikely to have a clinically relevant effect on trametinib
pharmacokinetics given the low renal excretion of trametinib. The pharmacokinetics
of trametinib were characterized in 223 patients enrolled in clinical trials with trametinib
who had mild renal impairment and 35 patients with moderate renal impairment using
a population pharmacokinetic analysis. Mild and moderate renal impairment had no
effect on trametinib exposure (< 6 % for either group). No data are available in patients
with severe renal impairment (see DOSAGE REGIMEN AND ADMINISTRATION).
Hepatic Impairment
The pharmacokinetics of trametinib were characterized in 64 patients enrolled in
clinical trials with trametinib who had mild hepatic impairment (defined by National
Cancer Institute classification) using a population pharmacokinetic analysis.
Trametinib oral clearance was not significantly different in these patients relative to
patients with normal hepatic function. No data are available in patients with moderate
or severe hepatic impairment (see DOSAGEE REGIMEN AND ADMINISTRATION).
CLINICAL STUDIES
Unresectable or metastatic melanoma
Meqsel monotherapy
Study MEK114267
The efficacy and safety of Meqsel in patients with BRAF mutant unresectable or
metastatic melanoma (V600E and V600K) were evaluated in a randomized open label
study. Measurement of patients BRAF V600 mutation status was required. Screening
included central testing of BRAF mutation (V600E and V600K) using a BRAF mutation
assay conducted on the most recent tumur sample available.
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Page 20 of 32Patients (N = 322) who were treatment naïve or may have received one prior
chemotherapy treatment in the metastatic setting [Intent to Treat (ITT) population] were
randomized 2:1 to receive trametinib 2 mg once daily or chemotherapy (dacarbazine
1000 mg/m2 every 3 weeks or paclitaxel 175 mg/m2 every 3 weeks). Treatment for all
patients continued until disease progression, death or withdrawal.
The primary endpoint of the study was to evaluate the efficacy of trametinib compared
to chemotherapy with respect to progression-free survival (PFS) in patients with
advanced (unresectable or metastatic ) BRAF V600E mutation-positive melanoma
without a prior history of brain metastases (N = 273) which is considered the primary
efficacy population. The secondary endpoints were progression-free survival in the ITT
population and overall survival (OS), overall response rate (ORR), and duration of
response (DoR) in the primary efficacy population and ITT population. Patients in the
chemotherapy arm were allowed to cross-over to the trametinib arm after independent
confirmation of progression. Fifty one (47 %) patients with confirmed disease
progression in the chemotherapy arm crossed over to receive trametinib.
Baseline characteristics were balanced between treatment groups in the primary
efficacy population and the ITT population. In the ITT population, the majority of
patients were male (54 %) and all were Caucasian (100 %). The median age was 54
years (22 % were ≥ 65 years), most patients (64%) had an Eastern Cooperative
Oncology Group (ECOG) performance status of 0, and 11 patients (3 %) had a history
of brain metastases. Most patients (87 %) in the ITT population had a BRAF V600E
mutation and 12 % of patients had a BRAF V600K mutation. Most patients (66 %) had
received no prior chemotherapy for advanced or metastatic disease.
The efficacy results in the primary efficacy population were consistent with those in the
ITT population; therefore, only the efficacy data for the ITT population are presented
in Table 6 and Figure 1.
Table 6 MEK114267 - Investigator assessed efficacy results (ITT population).
Intention-to-treat population
Endpoints/ Assessments Trametinib Chemotherapya
(N=214) (N=108)
Progression-Free Survival
Median (months) 4.8 1.5
(95% CI) (4.3, 4.9) (1.4, 2.7)
Hazard Ratio 0.45
(95% CI) (0.33, 0.63)
P value <0.0001
Overall Survival
Died, n (%) 35 (16) 29 (27)
Hazard Ratio 0.54
(95% CI) (0.32, 0.92)
P value 0.0136
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Page 21 of 32Survival at 6 months (%) 81 67
(95% CI) (73, 86) (55, 77)
Overall Response Rate (%) 22 8
ITT = Intent to Treat; PFS = Progression-free survival; CI = Confidence Interval.
aChemotherapy included patients on dacarbazine (DTIC) 1000 mg/m2 every 3 weeks or
paclitaxel 175 mg/m2 every 3 weeks.
Figure 1 MEK114267 - Kaplan-Meier investigator-assessed progression-free
survival curves (ITT population)
The PFS result was consistent in the subgroup of patients with V600K mutation positive
melanoma (HR = 0.50; [95 % CI: 0.18, 1.35], p=0.0788).
In a single arm Phase II study, Meqsel did not demonstrate clinical activity in patients
who progressed on a prior BRAF inhibitor therapy in one of the cohorts (see
INDICATIONS).
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Page 22 of 32Meqsel in combination with Rafinlar
The efficacy and safety of the recommended dose of Meqsel (2 mg once daily) in
combination with Rafinlar (150mg twice daily) for the treatment of adult patients with
unresectable or metastatic melanoma with a BRAF V600 mutation were studied in two
pivotal Phase III studies.
MEK115306 (COMBI-d)
MEK115306 (COMBI-d) was a Phase III, randomized, double-blind study comparing
the combination of Meqsel and dabrafenib to dabrafenib and placebo as first-line
therapy for patients with unresectable (Stage IIIC) or metastatic (Stage IV) BRAF
V600E/K mutation-positive cutaneous melanoma. The primary endpoint of the study
was investigator assessed progression-free survival (PFS) with a key secondary
endpoint of overall survival (OS). Patients were stratified by lactate dehydrogenase
(LDH) level (> the upper limit of normal (ULN) versus ≤ULN) and BRAF mutation
(V600E versus V600K).
A total of 423 patients were randomized 1:1 to either the combination therapy arm
(Meqsel 2 mg once daily and Rafinlar 150 mg twice daily) (N = 211) or dabrafenib
monotherapy arm (150 mg twice daily) (N = 212). Baseline characteristics were
balanced between treatment groups. Males constituted 53 % of patients and the
median age was 56 years. Themajority of patients had an ECOG performance score
of 0 (72%) and had Stage IVM1c disease (66%). Most patients (85%) had the BRAF
V600E mutation; the remaining 15% of patients had the BRAF V600K mutation.
At the time of final OS analysis, a total of 222 deaths (52.5%) [combination 99 deaths
(47%) and dabrafenib 123 deaths (58%)] out of the randomized (or ITT) population
were reported. The median follow up time on study treatment was 20 months in the
combination therapy arm and 16 months in the dabrafenib monotherapy arm. Study
MEK115306 showed a statistically significant 29% reduction in the risk of death for the
combination therapy arm compared with the dabrafenib monotherapy arm (HR=0.71,
95% CI: 0.55, 0.92; p=0.011). The median OS was 25.1 months for the combination
therapy arm and 18.7 months for the dabrafenib monotherapy arm. The 12-month
(74%) and 24-month (51.4%) OS estimates for the combination were also greater than
those for dabrafenib monotherapy (67.6 and 42.1%, respectively).
Extended follow-up found the 36-month OS estimate to be 44% for patients who
received Meqsel in combination with Rafinlar and 32% for patients who received
Rafinlar monotherapy.
Figure 2: COMBI-d - Kaplan-Meier overall survival curves (ITT Population)
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Page 23 of 32Efficacy Results of PFS, ORR and Duration of Response are summarized in Table 7.
Table 7 : Investigator-assessed efficacy results for MEK115306 (COMBI-d) study (primary
data cut and final data cut):
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Page 24 of 32Primary Analysis* Final Analysis*
Dabrafenib Dabrafenib
plus plus
Trametinib Dabrafenib Trametinib Dabrafenib
Endpoints N = 211 N = 212 N = 211 N = 212
Investigator Assessed PFS
102 109 139 162
Progressive disease or
(48) ( 51) (66) (76)
death, n-(%)
Median, months 9.3 8.8 11.0 8.8
(95% CIa) (7.7, 11.1) (5.9, 10.9) (8.0, 13.9) (5.9, 9.3)
Hazard Ratio
(95% CI) 0.75 0.67
(0.57, 0.99) ( 0.53, 0.84)
P value (log-rank test) 0.035 <0.001
Overall Response Rateb N=210 N=210 N=210 N=210
(%) 67 51 69 53
95% CI (59.9, 73.0) (44.5,58.4) (61.8, 74.8) (46.3, 60.2)
Difference in response rate 15d 15d
(CRc +PRc), %
95% CI for difference 5.9, 24.5 6.0, 24.5
P value 0.0014 0.0014
Duration of Response (months)
Median 9.2e 10.2e 12.9 10.6
(95% CI) (7.4, NR) (7.5, NR) (9.4,19.5) (9.1,13.8)
*Primary data cut: 26 August 2013, Final data cut: 12 January 2015
a- Confidence interval
b- Overall Response Rate = Complete Response + Partial Response
c- CR: Complete Response, PR: Partial Response
d- ORR difference calculated based on the ORR result not rounded
e-At the time of the reporting the majority (≥59%) of investigator-assessed responses were still ongoing
NR = Not reached
MEK116513 (COMBI-v)
Study MEK116513 was a two-arm, randomized, open-label, Phase III study comparing
Meqsel and dabrafenib combination therapy with vemurafenib monotherapy in BRAF
V600 mutation-positive unresectable or metastatic melanoma. The primary endpoint
of the study was overall survival. patients were stratified by lactate dehydrogenase
(LDH) level (> the upper limit of normal (ULN) versus ≤ ULN) and BRAF mutation
(V600E versus V600K).
A total of 704 patients were randomized 1:1 to either the combination therapy arm
(Meqsel 2 mg once daily and Rafinlar 150 mg twice daily) or the vemurafenib
monotherapy arm (960 mg twice daily). Most patients were Caucasians (>96%) and
male (55%), with a median age of 55 years (24% were ≥ 65 years). The majority of
patients had Stage IV M1c disease (61%). Most patients had LDH ≤ULN (67%), ECOG
performance status of 0 (70%), and visceral disease (78%) at baseline. Overall, 54%
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Page 25 of 32of patients had <3 disease sites at Baseline. The majority of patients had a BRAF
V600E mutation (89%).
The OS analysis was conducted when 222 total deaths (77% of the required events
for the final analysis) occurred. The Independent Data Monitoring Committee (IDMC)
recommended stopping the study since the OS results crossed the pre-specified
efficacy boundary. As a consequence the interim OS summary was considered the
final comparative OS analysis.
The OS analysis for Study MEK116513 was based on 222 deaths (32%)
[combination;100 deaths (28%) and vemurafenib 122 deaths (35%)]. The median
follow up time on study treatment was 11 months for the combination arm and 9 months
in the vemurafenib arm. Study MEK116513 showed a statistically significant 31%
reduction in the risk of death for the combination therapy compared with vemurafenib
(HR=0.69, 95% CI: 0.53, 0.89; p=0.005). The median OS was not yet reached for the
combination arm, and was 17.2 months for vemurafenib monotherapy.
Extended follow-up found the 36-month OS estimate to be 45% for patients who
received Meqsel in combination with Rafinlar and 31% for patients who received
vemurafenib monotherapy.
Figure 3: COMBI-v - Kaplan-Meier overall survival curves (ITT Population)
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Page 26 of 32Results of the endpoints for PFS, ORR and Duration of response are summarized in
Table 8.
Table 8: Investigator- assessed efficacy results for MEK116513 (COMBI-v) study
Endpoint Dabrafenib + Vemurafenib
Trametinib (N=352)
(N=352)
Investigator Assessed PFS
Progressive disease or death, 166 217
n- (%) (47) (62)
Median, months 11.4 7.3
(95 % CI) (9.9, 14.9) (5.8, 7.8)
Hazard Ratio 0.56
(95 % CI) (0.46, 0.69)
P value <0.001
Overall Response Rate, 226 180
n (%) (64) (51)
95% CI (59.1, 69.4) (46.1, 56.8)
Difference in response rate 13
(CR+PR), % (5.7, 20.2)
(95% CI for difference)
P value 0.0005
Duration of Response (months)
Median 13.8 7.5
(95% CI) (11.0, NR) (7.3, 9.3)
PFS= Progression Free Survival; NR= Not reached
BRF117277 / DRB436B2204 (COMBI-MB) – Metastatic melanoma patients with
brain metastases
The efficacy and safety of Meqsel in combination with Rafinlar in patients with BRAF
mutant-positive melanoma that has metastasized to the brain was studied in a non-
randomized open-label, multi-center Phase II study (COMBI-MB study).
A total of 125 patients were enrolled into four cohorts:
Cohort A: patients with BRAFV600E mutant melanoma with asymptomatic brain
metastases without prior local brain-directed therapy and ECOG performance
status of 0 or 1.
Cohort B: patients with BRAFV600E mutant melanoma with asymptomatic brain
metastases with prior local brain-directed therapy and ECOG performance status
of 0 or 1.
Cohort C: patients with BRAFV600D/K/R mutant melanoma with asymptomatic
brain metastases, with or without prior local brain-directed therapy and ECOG
performance status of 0 or 1.
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Page 27 of 32 Cohort D: patients with BRAFV600D/E/K/R mutant melanoma with symptomatic
brain metastases, with or without prior local brain-directed therapy and ECOG
performance status of 0 or 1 or 2.
The primary endpoint of the study was intracranial response in Cohort A, defined as
the percentage of patients with a confirmed intracranial response assessed by the
investigator using modified Response Evaluation Criteria in Solid Tumours (RECIST)
version 1.1. Efficacy results are summarised in Table 10. Secondary endpoints were
duration of intracranial response, ORR, PFS and OS. Efficacy results are summarized
in Table 9.
Table 9: COMBI-MB- Efficacy data by investigator assessment
All treated patients population
Endpoints/ Cohort A Cohort B Cohort C Cohort D
assessment N=76 N=16 N=16 N=17
Intracranial response rate, % (95 % CI)
59% 56% 44% 59%
(47.3, 70.4) (29.9, 80.2) (19.8, 70.1) (32.9, 81.6)
Duration of intracranial response, median, months (95% CI)
6.5 7.3 8.3 4.5
(4.9, 8.6) (3.6, 12.6) (1.3, 15.0) (2.8, 5.9)
ORR, % (95% CI)
59% 56% 44% 65%
(47.3, 70.4) (29.9, 80.2) (19.8, 70.1) (38.3, 85.8)
PFS, median, months (95% CI)
5.7 7.2 3.7 5.5
(5.3, 7.3) (4.7, 14.6) (1.7, 6.5) (3.7, 11.6)
OS, median, months (95% CI)
Median, months 10.8 24.3 10.1 11.5
(8.7, 17.9) (7.9, NR) (4.6, 17.6) (6.8, 22.4)
CI = Confidence Interval
NR = Not Reported
Advanced NSCLC
Study E2201 BRF113928
The efficacy and safety of Meqsel in combination with dabrafenib was studied in a
Phase II, three-cohort, multicenter, non-randomized, open-label study enrolling
patients with stage IV BRAF V600E mutant NSCLC.
The primary endpoint was the investigator-assessed overall response rate ORR using
the ‘Response Evaluation Criteria In Solid Tumors’ (RECIST 1.1 assessed by the
investigator). Secondary endpoints included duration of response (DoR), progression-
free survival (PFS), overall survival (OS), safety and population pharmacokinetics.
ORR, DoR and PFS were also assessed by an Independent Review Committee (IRC)
as a sensitivity analysis.
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Page 28 of 32Cohorts were enrolled sequentially:
Cohort A: Monotherapy (dabrafenib 150 mg twice daily): 84 patients enrolled. 78
patients had previous systemic treatment for their metastatic disease (see
prescribing information for dabrafenib on results from Cohort A).
Cohort B (n=57): Combination therapy (Meqsel 2 mg once daily and dabrafenib 150
mg twice daily): 59 patients enrolled. 57 patients had previously received one to
three lines of systemic treatment for their metastatic disease. Two patients did not
have any previous systemic treatment and were included in the analysis for patients
enrolled in Cohort C.
Cohort C (n=36): Combination therapy (Meqsel 2 mg once daily and dabrafenib 150
mg twice daily): 34 patients enrolled (note: the two patients from Cohort B that did
not have any previous systemic treatment were included in the analysis for patients
enrolled in Cohort C for a total of 36 patients.. All patients received study medication
as first-line treatment for metastatic disease.
Among the total of 93 patients who were enrolled in the combination therapy in Cohorts
B and C most patients were Caucasians (n=79, 85%). There was a similar female to
male ratio (54% vs 46%). The median age was 64 years in patients who had at least
one prior therapy and 68 years in patients who were treatment naïve for their advanced
disease. Most patients (n=87, 94%) enrolled in the combination therapy treated
Cohorts had an ECOG performance status of 0 or 1. Twenty-six (26) patients (28%)
had never smoked. Ninety-one (91) patients (97.8%) had a non-squamous histology.
In the pretreated population, 38patients (67%) had one line of systemic anti-cancer
therapy for metastatic disease.
For the primary endpoint the investigator-assessed ORR, was 61.1% (95% CI,
43.5,76.9) in the first-line population and 66.7% (95% CI, 52.9%, 78.6%) in the
previously treated population. These results met the statistical significance to reject the
null hypothesis that the ORR of Meqsel in combination with Rafinlar for both NSCLC
populations was less than or equal to 30%.
The ORR results assessed by IRC were consistent to the investigator assessment
(Table 10).
The response was durable with median DoR in the previously treated population
reaching 9.8 months (95% CI, 6.9, 16.0) by investigator assessment. For the first-line
population, the median DoR and PFS could not yet be estimated (Table11), and 68%
of patients with confirmed response were still ongoing in follow-up for duration of
response.
Table 10: Efficacy Results in Patients with BRAF V600E NSCLC
Endpoint Analysis Combination Combination
First Line Second Line Plus
N=361 N=571
Overall confirmed response n By Investigator 22 38
(%) (61.1%) (66.7%)
India pack insert dtd 5 Dec 2019 based on IPL dtd 12 Nov 2018
Page 29 of 32(95% CI) (43.5, 76.9) (52.9, 78.6)
By IRC 22 36
(61.1%) (63.2%)
(43.5, 76.9) (49.3, 75.6)
Median DoR, months By Investigator NE2 9.8
(95% CI) (8.3, NE) (6.9, 16.0)
By IRC NE 12.6
(6.9, NE) (5.8, NE)
Median PFS, months By Investigator NE 10.2
(95% CI) (7.0, NE) (6.9, 16.7)
By IRC NE 8.6
(7.0, NE) (5.2, 16.8)
Median OS, months - 24.6 18.2
(95% CI) (11.7, NE)3 (14.3, NE)
1 Data cut-off: 8-Aug-2016
2 NE: Not Evaluable
3 Event rate for OS calculation was 28% and hence the defined median value still needs to mature
NON-CLINICAL SAFETY DATA
Safety pharmacology and repeat dose toxicity
In mice, lower heart rate, heart weight and left ventricular function were observed
without cardiac histopathology after 3 weeks at ≥ 0.25 mg/kg/day trametinib
(approximately three times human clinical exposure based on AUC) for up to three
weeks. In adult rats, myocardial mineralization and necrosis associated with increased
serum phosphorus were seen at doses ≥1 mg/kg/day (approximately 12 times human
clinical exposure based on AUC). In juvenile rats, increased heart weight with no
histopathology was observed at 0.35 mg/kg/day (approximately twice the adult human
clinical exposure based on AUC).
Trametinib was phototoxic in an in vitro mouse fibroblast 3T3 Neutral Red Uptake
(NRU) assay at significantly higher concentrations than clinical exposures (IC50 at
2.92 microgram/mL, ≥ 130 times the clinical exposure based on C ), indicating that
max
there is low risk for phototoxicity to patients taking trametinib.
In repeat-dose studies in rats, hepatocellular necrosis and transaminase elevations
were seen after 8 weeks at ≥ 0.062 mg/kg/day (approximately 0.8 times human clinical
exposure based on AUC).
Carcinogenicity and mutagenicity
Carcinogenicity studies with trametinib have not been conducted. trametinib was not
genotoxic in studies evaluating reverse mutations in bacteria, chromosomal
aberrations in mammalian cells and micronuclei in the bone marrow of rats.
India pack insert dtd 5 Dec 2019 based on IPL dtd 12 Nov 2018
Page 30 of 32Reproductive Toxicity
Embryofetal development and fertility
Trametinib may impair female fertility in humans. In adult and juvenile rat repeat dose
studies with trametinib, alterations in follicular maturation, consisting of increases in
cystic follicles and decreases in cystic corpora lutea, were observed at ≥ 0.016
mg/kg/day (approximately 0.3 times the human clinical exposure based on AUC).
Additionally, in juvenile rats given trametinib, decreased ovarian weights, slight delays
in hallmarks of female sexual maturation (vaginal opening and increased incidence of
prominent terminal end buds within the mammary gland) and slight hypertrophy of the
surface epithelium of the uterus were observed. All of these effects were reversible
following an off-treatment period and attributable to pharmacology. However, in rat and
dog toxicity studies up to 13 weeks in duration, there were no treatment effects
observed on male reproductive tissues.
Juvenile animal studies
In a juvenile rat toxicity study, the principal toxicities in juvenile rats were on growth
(bodyweight and long bone length), adverse microscopic findings included changes in
the bone, mineralization and/or degeneration in various organs, primarily stomach at
all doses. Adverse findings at the higher doses included in eye, kidney, aortic arch
and/or nasal cavity/sinuses, heart, liver and in skin, and higher heart weights and the
delay in a physical landmark of sexual maturity in females (vaginal opening).
The majority of findings are reversible with the exception of the bone, serum
phosphorus and soft tissue mineralization which progressed/worsened during the off-
drug period. Also, kidney tubular basophilia and higher heart weights were still present
at end of recovery period.
With the exception of corneal mineralization/dystrophy and increased heart weight,
similar effects have been observed in adult animals given trametinib. At the lowest
combined dose level evaluated, the systemic exposure is approximately 0.3 times the
human exposure at clinical dose of 2 mg/day based on AUC.
Non-fixed dose combination therapy
Trametinib in combination with dabrafenib
Dogs given trametinib and dabrafenib in combination for 4 weeks demonstrated similar
toxicities to those observed in comparable monotherapy studies.
Refer to the full prescribing information for Rafinlar
INCOMPATIBILITIES
Not applicable.
STORAGE
See folding box.
Meqsel should not be used after the date marked “EXP” on the pack.
India pack insert dtd 5 Dec 2019 based on IPL dtd 12 Nov 2018
Page 31 of 32Meqsel must be kept out of the reach and sight of children.
INSTRUCTIONS FOR USE AND HANDLING
There are no special requirements for use or handling of this product.
Manufacturer:
See folding box.
Further information is available from:
Novartis Healthcare Private Limited
Inspire BKC, Part of 601 & 701,
Bandra Kurla Complex, Bandra (East),
Mumbai – 400 051, Maharashtra, India
Information issued: India pack insert dtd 5 Dec 2019 based on IPL dtd 12 Nov 18
® = Registered Trademark of Novartis AG, Basel, Switzerland
India pack insert dtd 5 Dec 2019 based on IPL dtd 12 Nov 2018
Page 32 of 32