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Trametinib

Phase 2

Cancer | Small molecule | Oncology |GSK plc|Last Updated: Jun 1, 2018

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedCONTROLLEDBiomarker
Total Trials4
Total Enrollment235
FDA Designations
No designations recorded
Clinical Trials (4)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01943864A Phase IIa Study of the MEK Inhibitor Trametinib Monotherapy in the Treatment of Biliary Tract CancersPHASE2 COMPLETED 20Sep 19, 2013Feb 1, 2016May 31, 20175 Japan
NCT02065063A Study to Investigate the Safety, Pharmacokinetics, Pharmacodynamics, and Anti-Cancer Activity of Trametinib in Combination With Palbociclib in Subjects With Solid TumorsPHASE1 COMPLETED 28Apr 22, 2014Jun 23, 2016Jun 1, 20183 United States
NCT01647659Relative Bioavailibilty for Pediatric Powder for Suspension (PfOS) FormulationPHASE1 COMPLETED 18Jul 30, 2012Nov 12, 2012Nov 13, 20172 United States
NCT01192165Safety and Tolerability Study of GSK1120212, a MEK Inhibitor, in Combination With Docetaxel, Erlotinib, Pemetrexed, Pemetrexed + Carboplatin, Pemetrexed + Cisplatin, or Nab-PaclitaxelPHASE1 COMPLETED 169Sep 14, 2010Oct 7, 2013Nov 13, 201720 United States, Canada +2
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Study Endpoints
Primary Endpoints
Number of Participants With Indicated Non-progressive Disease as Assessed by Investigator Per Response Evaluation Criteria In Solid Tumor Version 1.1 (RECIST 1.1) at Week 12
Up to Week 12

Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1) for target lesions and assessed by CT or MRI: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the diameters of target lesions; Stable Disease(SD), Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD; Progressive Disease(PD), At least a 20% increase in the sum of the diameters of target lesions. Non-PD = CR + PR + SD.

Number of Participants With Indicated Non-progressive Disease as Assessed by Independent Radiologist Per Response Evaluation Criteria In Solid Tumor Version 1.1 (RECIST 1.1) at Week 12
Up to Week 12

Twelve week non-progressive disease (PD) at Week 12 was evaluated by computed tomography. Non- PD was calculated as the sum of complete response (CR), partial response (PR), and stable disease (SD).

Part 1: Change from baseline in vital signs
Up to 36 months

Vital sign measurements will include systolic and diastolic blood pressure, temperature, respiration rate and pulse rate

Part 1: Change from baseline in physical examination findings
Up to 36 months

A complete physical examination will include assessments of the head, eyes, ears, nose, throat, skin, thyroid, neurological, lungs, cardiovascular, abdomen (liver and spleen), lymph nodes and extremities

Part 1: Change from baseline in 12-lead electrocardiograms (ECG) assessment
Up to 36 months
Part 1: Change from baseline in echocardiogram (ECHO) or Multi Gated Acquisition (MUGA) scans assessment
Up to 36 months

An ECHO (preferred) or a MUGA scan will be performed at baseline to assess cardiac ejection fraction and cardiac valve morphology for the purpose of study eligibility

Part 1: Change from baseline in chemistry and hematology laboratory values
Up to 36 months
Part 1: Number of subjects with adverse events (AEs)
From the time the first dose of study treatment is administered until 30 days following discontinuation of study treatment

All subjects (approximately 50)

Part 1: Composite of pharmacokinetic (PK) parameters following trametinib and palbociclib administration
Cycle 1 Day 15 (pre-dose, and 1, 2, 4, 6, 8, and 10 hours post dose) and Cycle 2 Day 15 (pre-dose)

PK parameters will include: maximum observed plasma concentration (Cmax), time to Cmax (tmax), area under the plasma concentration-time curve (AUC\[0-t\]), oral clearance (CL/F), minimum observed concentration (Cmin). Blood samples of approximately 2 mL for trametinib and 2 mL for palbociclib (4 mL total) will be collected for PK analysis at each timepoint shown for all subjects (approximately 50)

Part 1: Number of subjects with anti-cancer activity
Up to 36 months

Disease progression and response evaluations will be determined according to the definitions established in the Response Evaluation Criteria in Solid Tumors (RECIST Version 1.1) for all subjects (approximately 50 in Part 1)

Part 2: Change from baseline in tumor biomarkers
Screening and Cycle 1 Day 15 (pre-dose)

Change from baseline in biomarkers like pERK, total Rb, Ki67, FoxM1, p16, and CCDN1 will be calculated. These markers will be evaluated in formalin-fixed, paraffin-embedded tissue via immunohistochemistry (IHC)

Evaluate the relative bioavailability of a PfOS formulation relative to the commercial GSK1120212 tablet formulation in adult subjects with solid tumors
168 hours X 2
To determine the safety, tolerability, and recommended phase II dosing regimen of each GSK1120212-based treatment combination
Duration of study (approximately 3 years)
Secondary Endpoints
Number of Participants With Any Adverse Event (AE) or Serious Adverse Event (SAE)
until 26-Feb-2016
Expression of Interstitial Lung Disease Marker KL-6
From Baseline up to Week 36
Expression of Interstitial Lung Disease Marker Surfactant Protein D
Baseline, Week 12, and Week 28
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Trametinib (single tablet)EXPERIMENTALSubjects will receive, trametinib once daily as a single tablet of 2 mg administered orally with eight ounces of water under fasting conditions either one hour before or 2 hours after a meal.
Trametinib PK study (multiple tablet)EXPERIMENTALSubjects will receive on Day 1, trametinib as four tablets of 0.5 mg administered orally with eight ounces of water under fasting conditions either one hour before or 2 hours after a meal.
Trametinib PK study (single tablet)EXPERIMENTALSubjects will receive Day 2 onwards, trametinib once daily as a single tablet of 2 mg administered orally with eight ounces of water under fasting conditions either one hour before or 2 hours after a meal.
Part 1EXPERIMENTALPart 1 is a dose finding phase in which subjects will be initially administered 75 milligram (mg) of palbociclib (21 days on/7 days off) and 1.5 mg of trametinib (once daily continuous dosing) in each 28-day cycle. Dose escalations will continue based on predefined parameters until the RCR is identified. The RCR will not exceed the maximum tolerated dose (MTD).
Part 2EXPERIMENTALOnce the MTD and schedule have been determined, two expansion cohorts of up to 20 subjects each will be enrolled. The cohorts will enroll subjects with BRAF-WT (wild type) cutaneous melanoma that are either NRAS-WT or NRAS-MUT (mutated). Subjects will be dosed at or below the RCR to determine the inhibition of selected tumor biomarkers at each dose level.
Part 3EXPERIMENTALPart 3 will be a randomized Phase II study in which subjects will be administered the RCR as previously identified. Part 3 will be initiated only if an RCR is identified, and sufficient anticancer activity is observed in Parts 1 and 2.
GSK1120212 tabletEXPERIMENTALGSK1120212 tablet
GSK1120212 powder for oral solutionEXPERIMENTALGSK1120212 powder for oral solution
Treatment Group 1EXPERIMENTALTrametinib plus Docetaxel
Treatment Group 2EXPERIMENTALTrametinib plus Erlotinib
Treatment Group 3EXPERIMENTALTrametinib plus Pemetrexed
Treatment Group 4EXPERIMENTALTrametinib plus Pemetrexed and Carboplatin
Treatment Group 5EXPERIMENTALTrametinib plus nab-Paclitaxel
Treatment Group 6EXPERIMENTALTrametinib plus Pemetrexed and Cisplatin
Interventions
NameTypeDescription
Trametinib (single tablet)DRUGThe drug substance is blended with inert
Trametinib (Multiple tablet)DRUGThe drug substance is blended with inert
TrametinibDRUGTrametinib is available as a 0.5 mg yellow oval tablet or as a 2.0 mg pink round tablet.
PalbociclibDRUGPalbociclib is available as a 75 mg (size 2 sunset yellow) or 100 mg (size 1 sunset yellow/caramel) or 125 mg (size 0 caramel) capsule.
Trametinib tabletDRUG2 mg, orally, on Day 1 of the dosing period
Trametinib pediatric formulationDRUG2 mg, orally, on Day 1 of the dosing period
Trametinib (GSK1120212)DRUGInvestigational small molecule targeted therapy (MEK1/2 inhibitor)
DocetaxelDRUGChemotherapy
ErlotinibDRUGSmall molecule targeted therapy (EGFR inhibitor)
PemetrexedDRUGChemotherapy
CarboplatinDRUGChemotherapy
nab-PaclitaxelDRUGChemotherapy
CisplatinDRUGChemotherapy
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Eligibility Criteria
Age Range20 Years — 80 Years
SexALL
Healthy VolunteersNo
Study Sites5

Inclusion Criteria: * Male or female of age 20 years or older inclusive, at the time of signing the informed consent. * Japanese patients with histologically or cytologically confirmed cholangiocarcinoma (intra- or extrahepatic) or gallbladder cancer or ampulla of Vater cancer are eligible for whic...

Countries:JapanUnited StatesCanadaFranceSouth Korea
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