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NCT01072175

Investigate Safety, Pharmacokinetics and Pharmacodynamics of GSK2118436 & GSK1120212

Completed Phase 2 Results posted Last updated 5 July 2019
What this trial tests

Phase 2 trial testing GSK2118436 in Cancer in 430 participants. Completed in 27 February 2018.

Timeline
26 March 2010
Primary endpoint
31 May 2012
27 February 2018

Quick facts

Lead sponsorNovartis Pharmaceuticals
PhasePhase 2
StatusCompleted
Study typeINTERVENTIONAL
Allocationnon randomized
Maskingnone
Primary purposetreatment
Enrollment430
Start date26 March 2010
Primary completion31 May 2012
Estimated completion27 February 2018
Sites15 locations across United States, Australia

Drugs / interventions tested

Conditions studied

Sponsor

Novartis Pharmaceuticals — full company profile →

Who can join

18 and older, any sex, with Cancer. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Part A: Maximum Plasma Concentration (Cmax) of a Single Dose of Dabrafenib Administered Alone and in Combination With Trametnib Primary · Day 15

Blood samples for PK analysis of dabrafenib and its the metabolites hydroxy-dabrafenib (GSK2285403), carboxy-dabrafenib (GSK2298683) and desmethyl-dabrafenib (GSK2167542) were obtained at pre-dose and at 1, 2, 3, 4, 6, 8, 10, and 24 hours after dabrafenib administration. From the plasma concentration-time curve, the PK parameter Cmax was determined by standard non-compartmental analysis using WinNonlin. Cmax data are reported as geometric least squares means.

GSK2118436
GroupValue95% CI
Part A: Dabrafenib 75 mg509379 – 685
Part A: Dabrafenib 75 mg + Trametinib 2 mg524390 – 705
GSK2285403
GroupValue95% CI
Part A: Dabrafenib 75 mg259190 – 352
Part A: Dabrafenib 75 mg + Trametinib 2 mg255196 – 331
GSK2298683
GroupValue95% CI
Part A: Dabrafenib 75 mg724595 – 879
Part A: Dabrafenib 75 mg + Trametinib 2 mg747587 – 951
GSK2167542
GroupValue95% CI
Part A: Dabrafenib 75 mg8.374.82 – 14.5
Part A: Dabrafenib 75 mg + Trametinib 2 mg8.165.68 – 11.7
Part A: AUC (0-t) and AUC (0-inf) of Dabrafenib and Its Metabolites Primary · Day 15

Blood samples for PK analysis of dabrafenib and its metabolites hydroxy-dabrafenib (GSK2285403), carboxy-dabrafenib (GSK2298683) and desmethyl-dabrafenib (GSK2167542) were obtained at pre-dose and at 1, 2, 3, 4, 6, 8, 10, and 24 hours after dabrafenib administration. AUC is defined as the area under the dabrafenib concentration-time curve as a measure of drug exposure. AUC (0-inf) is defined as the area under the concentration-time curve from time zero (pre-dose) extrapolated to infinite time. AUC (0-t) is defined as area under the concentration-time curve from time zero (pre-dose) to the last

GSK2118436 AUC (0-t)
GroupValue95% CI
Part A: Dabrafenib 75 mg27342205 – 3390
Part A: Dabrafenib 75 mg + Trametinib 2 mg27512219 – 3411
GSK2118436 AUC (0-inf)
GroupValue95% CI
Part A: Dabrafenib 75 mg31282578 – 3797
Part A: Dabrafenib 75 mg + Trametinib 2 mg29492445 – 3556
GSK2285403 AUC (0-t)
GroupValue95% CI
Part A: Dabrafenib 75 mg22321684 – 2959
Part A: Dabrafenib 75 mg + Trametinib 2 mg22871899 – 2753
GSK2285403 AUC (0-inf)
GroupValue95% CI
Part A: Dabrafenib 75 mg28192231 – 3562
Part A: Dabrafenib 75 mg + Trametinib 2 mg24972097 – 2974
GSK2298683 AUC (0-t)
GroupValue95% CI
Part A: Dabrafenib 75 mg1276110347 – 15738
Part A: Dabrafenib 75 mg + Trametinib 2 mg1305310475 – 16266
GSK2167542 AUC (0-t)
GroupValue95% CI
Part A: Dabrafenib 75 mg270188 – 390
Part A: Dabrafenib 75 mg + Trametinib 2 mg276230 – 332
Part B: Number of Participants With Any Adverse Event (AE) or Serious Adverse Event (SAE) Primary · From Baseline (Day 1) until Follow-up visit (up to approximately 8 years)

An AE is defined as any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product. An SAE is defined as any untoward medical occurrence that, at any dose, results in death, is life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, is a congenital anomaly/birth defect, or is an event of possible drug-induced liver injury.

Any AE
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg6
Part B: Dabrafenib 150 mg + Trametinib 1 mg23
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg27
Part B: Dabrafenib 150 mg + Trametinib 2 mg93
Any SAE
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1 mg15
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg14
Part B: Dabrafenib 150 mg + Trametinib 2 mg55
Part B: Number of Participants With Worst-case Chemistry Toxicity Grade Change From Baseline Primary · From Baseline (Day 1) until Follow-up visit (up to approximately 8 years)

Clinical Chemistry parameters were summarized according to National Cancer Institutes (NCI) Common Terminology Criteria for Adverse Events (CTCAE) grade, version 4.0. Grade 1, Mild; Grade 2, Moderate; Grade 3 (G3), Severe; Grade 4 (G4), Life-threatening or disabling; Grade 5, Death. Data are presented for only those parameters for which an increase to Grade 3 or Grade 4 occurred. Participants with missing Baseline Grade were assumed to have Baseline Grade of 0. All increases were an increase in grade from Baseline. Only descriptive analysis.

Albumin
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg1
Part B: Dabrafenib 150 mg + Trametinib 2 mg3
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Alkaline Phosphatase
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg1
Part B: Dabrafenib 150 mg + Trametinib 2 mg10
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Alanine Amino Transferase
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg1
Part B: Dabrafenib 150 mg + Trametinib 2 mg2
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Amylase
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Aspartate Amino Transferase
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg1
Part B: Dabrafenib 150 mg + Trametinib 2 mg5
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Total Bilirubin
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg2
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Calcium (Hypercalcemia)
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Calcium (Hypocalcemia)
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg1
Part B: Dabrafenib 150 mg + Trametinib 2 mg1
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg1
Part B: Number of Participants With Worst-case Chemistry Change From Baseline With Respect to Normal Range Primary · From Baseline (Day 1) until Follow-up visit (up to approximately 8 years)

For Clinical Chemistry parameters that were not graded according to NCI CTCAE criteria, changes above (High) and below (Low) the normal range were evaluated. Participants with missing Baseline were assumed to be within normal range. Participants were counted twice if the subject "Decreased to Low" and Increase to High" during the post-baseline period. Only descriptive analysis.

Direct Bilirubin
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Indirect Bilirubin
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Creatine Kinase MB mass
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Chloride
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg4
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg10
Part B: Dabrafenib 150 mg + Trametinib 2 mg39
Part B: Dabrafenib 75 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1 mg11
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg8
Part B: Dabrafenib 150 mg + Trametinib 2 mg16
Carbon dioxide content/Bicarbonate
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1 mg4
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg6
Part B: Dabrafenib 150 mg + Trametinib 2 mg16
Part B: Dabrafenib 75 mg + Trametinib 1 mg3
Part B: Dabrafenib 150 mg + Trametinib 1 mg7
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg11
Part B: Dabrafenib 150 mg + Trametinib 2 mg25
Creatinine clearance
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1 mg4
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg10
Part B: Dabrafenib 150 mg + Trametinib 2 mg19
Part B: Dabrafenib 75 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1 mg5
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg5
Part B: Dabrafenib 150 mg + Trametinib 2 mg8
Lactate dehydrogenase
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg1
Part B: Dabrafenib 150 mg + Trametinib 2 mg4
Part B: Dabrafenib 75 mg + Trametinib 1 mg4
Part B: Dabrafenib 150 mg + Trametinib 1 mg9
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg11
Part B: Dabrafenib 150 mg + Trametinib 2 mg35
Total protein
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg10
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg10
Part B: Dabrafenib 150 mg + Trametinib 2 mg30
Part B: Dabrafenib 75 mg + Trametinib 1 mg3
Part B: Dabrafenib 150 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg1
Part B: Dabrafenib 150 mg + Trametinib 2 mg7
Part B: Number of Participants With Worst-case Hematology Toxicity Grade Change From Baseline Primary · From Baseline (Day 1) until Follow-up visit (up to approximately 8 years)

Hematology parameters were summarized according to National Cancer Institutes (NCI) Common Terminology Criteria for Adverse Events (CTCAE) grade, version 4.0. Grade 1, Mild; Grade 2, Moderate; Grade 3 (G3), Severe; Grade 4 (G4), Life-threatening or disabling; Grade 5, Death. Data are presented for only those parameters for which an increase to Grade 3 or Grade 4 occurred. Participants with missing Baseline Grade were assumed to have Baseline Grade of 0. All increases were an increase in grade from Baseline. Only descriptive analysis.

Hemoglobin (Increased)
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Hemoglobin (Anemia)
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg3
Part B: Dabrafenib 150 mg + Trametinib 2 mg10
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Lymphocytes (Increased)
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Lymphocytes (Decreased)
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg7
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg4
Part B: Dabrafenib 150 mg + Trametinib 2 mg19
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg4
Part B: Dabrafenib 150 mg + Trametinib 2 mg5
Total Neutrophils
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1 mg3
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg3
Part B: Dabrafenib 150 mg + Trametinib 2 mg10
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Platelet Count
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg2
Part B: Dabrafenib 150 mg + Trametinib 2 mg1
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg1
White Blood Cell Count
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg4
Part B: Dabrafenib 150 mg + Trametinib 2 mg8
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg0
Part B: Number of Participants With Worst-case Hematology Change From Baseline With Respect to Normal Range Primary · From Baseline (Day 1) until Follow-up visit (up to approximately 8 years)

For Hematology parameters that were not graded according to NCI CTCAE criteria, changes above (High) and below (Low) the normal range were evaluated. Participants with missing Baseline were assumed to be within normal range. Participants were counted twice if the subject "Decreased to Low" and Increase to High" during the post-baseline period. Only descriptive analysis.

Basophils
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg0
Part B: Dabrafenib 150 mg + Trametinib 2 mg2
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg4
Part B: Dabrafenib 150 mg + Trametinib 2 mg7
Eosinophils
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1 mg5
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg6
Part B: Dabrafenib 150 mg + Trametinib 2 mg28
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg5
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg7
Part B: Dabrafenib 150 mg + Trametinib 2 mg11
Hematocrit
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1 mg5
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg7
Part B: Dabrafenib 150 mg + Trametinib 2 mg24
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg2
Part B: Dabrafenib 150 mg + Trametinib 2 mg2
Mean Corpuscle Hemoglobin concentration
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg6
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg11
Part B: Dabrafenib 150 mg + Trametinib 2 mg21
Part B: Dabrafenib 75 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1 mg4
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg5
Part B: Dabrafenib 150 mg + Trametinib 2 mg13
Mean Corpuscle Hemoglobin
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg6
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg8
Part B: Dabrafenib 150 mg + Trametinib 2 mg12
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg3
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg6
Part B: Dabrafenib 150 mg + Trametinib 2 mg11
Mean Corpuscle Volume
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1 mg5
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg6
Part B: Dabrafenib 150 mg + Trametinib 2 mg13
Part B: Dabrafenib 75 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg4
Part B: Dabrafenib 150 mg + Trametinib 2 mg5
Monocytes
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1 mg8
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg10
Part B: Dabrafenib 150 mg + Trametinib 2 mg21
Part B: Dabrafenib 75 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1 mg4
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg9
Part B: Dabrafenib 150 mg + Trametinib 2 mg30
Red Blood Cell count
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1 mg9
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg5
Part B: Dabrafenib 150 mg + Trametinib 2 mg25
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg1
Part B: Dabrafenib 150 mg + Trametinib 2 mg2
Part B: Number of Participants With the Indicated Worst-case Change From Baseline in Heart Rate and Blood Pressure Primary · From Baseline (Day 1) until Follow-up visit (up to approximately 8 years)

Blood pressure and heart rate were summarized according to NCI CTCAE grade, version 4.0. Grade 1, Mild; Grade 2, Moderate; Grade 3 (G3), Severe; Grade 4 (G4), Life-threatening or disabling; Grade 5, Death. Data are presented for only those parameters for which an increase to G3 or G4 occurred. Blood pressure measurement included systolic blood pressure (SBP, millimeters of mercury \[mmHg\]) and diastolic BP (DBP). Heart rate is the measure of heart beats per minute (bpm). Changes in heart rate, either decrease to \<60 bpm, change to normal or no change, or increase to \>100 bpm are presented.

Heart rate, Decrease to <60 bpm
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg5
Part B: Dabrafenib 150 mg + Trametinib 2 mg15
Heart rate, Change to normal or no change
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg3
Part B: Dabrafenib 150 mg + Trametinib 1 mg14
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg15
Part B: Dabrafenib 150 mg + Trametinib 2 mg37
Heart rate, Increase to >100 bpm
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1 mg7
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg8
Part B: Dabrafenib 150 mg + Trametinib 2 mg26
SBP, Increase to G3 or G4
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg2
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg3
Part B: Dabrafenib 150 mg + Trametinib 2 mg8
DBP, Increase to G3 or G4
GroupValue95% CI
Part B: Dabrafenib 75 mg + Trametinib 1 mg0
Part B: Dabrafenib 150 mg + Trametinib 1 mg1
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg3
Part B: Dabrafenib 150 mg + Trametinib 2 mg4
Part C (Randomized): Number of Participants With BRAF Mutant Metastatic Melanoma With Best Overall Response as Assessed by the Investigator Primary · From the first dose of study medication to the first documented evidence of a confirmed complete response or partial response (up to approximately 7 years)

Best overall response is defined as complete response (CR: the disappearance of all target lesions. Any pathological lymph nodes must be \<10 millimeters \[mm\] in the short axis.) or partial reponse (PR: at least a 30% decrease in the sum of the diameters of target lesions, taking as a reference, the Baseline sum of the diameters \[e.g., percent change from Baseline\]). Participants with unknown or missing responses were considered as non-responders. To be assigned a status of PR or CR, a confirmatory disease assessment should have been performed no less than 28 days after the criteria for re

CR
GroupValue95% CI
Part C: Dabrafenib 150 mg2
Part C: Dabrafenib 150 mg + Trametinib 1 mg6
Part C: Dabrafenib 150 mg + Trametinib 2 mg10
PR
GroupValue95% CI
Part C: Dabrafenib 150 mg27
Part C: Dabrafenib 150 mg + Trametinib 1 mg21
Part C: Dabrafenib 150 mg + Trametinib 2 mg31
Part C (Randomized): Number of Participants With BRAF Mutant Metastatic Melanoma With Best Overall Response Assessed by Blinded Independent Central Review (BICR) Primary · From the first dose of study medication to the first documented evidence of a confirmed complete response or partial response (up to approximately 19 months)

Best overall response is defined as complete response (CR: the disappearance of all target lesions. Any pathological lymph nodes must be \<10 mm in the short axis.) or partial reponse (PR: at least a 30% decrease in the sum of the diameters of target lesions, taking as a reference, the Baseline sum of the diameters \[e.g., percent change from Baseline\]). Participants with unknown or missing responses were considered as non-responders. To be assigned a status of PR or CR, a confirmatory disease assessment should have been performed no less than 28 days after the criteria for response were firs

CR
GroupValue95% CI
Part C: Dabrafenib 150 mg4
Part C: Dabrafenib 150 mg + Trametinib 1 mg4
Part C: Dabrafenib 150 mg + Trametinib 2 mg7
PR
GroupValue95% CI
Part C: Dabrafenib 150 mg21
Part C: Dabrafenib 150 mg + Trametinib 1 mg18
Part C: Dabrafenib 150 mg + Trametinib 2 mg26
Part C (Crossover): Number of Participants With BRAF Mutant Metastatic Melanoma With Best Overall Response as Assessed by the Investigator Primary · From the first dose of study medication to the first documented evidence of a confirmed complete response or partial response (up to approximately 7 years)

Best overall response is defined as complete response (CR: the disappearance of all target lesions. Any pathological lymph nodes must be \<10 mm in the short axis.) or partial reponse (PR: at least a 30% decrease in the sum of the diameters of target lesions, taking as a reference, the Baseline sum of the diameters \[e.g., percent change from Baseline\]). Participants with unknown or missing responses were considered as non-responders. To be assigned a status of PR or CR, a confirmatory disease assessment should have been performed no less than 28 days after the criteria for response were firs

CR
GroupValue95% CI
Part C (Crossover): Dabrafenib 150 mg + Trametinib 2 mg1
PR
GroupValue95% CI
Part C (Crossover): Dabrafenib 150 mg + Trametinib 2 mg5
Part C (Randomized): Progression-free Survival (PFS) as Assessed by the Investigator Primary · From the date of randomization to the earliest date of disease progression (PD) or death due to any cause (up to approximately 7 years)

PFS is defined as the interval between the date of randomization and the earliest date of PD or death due to any cause. PD was based on radiographic or photographic evidence, and assessments were made by the investigator according to RECIST, version 1.1. PD is defined as at least a 20% increase in the sum of the diameters of target lesions, taking as a reference, the smallest sum of diameters recorded since the treatment started (e.g., percent change from nadir, where nadir is defined as the smallest sum of diameters recorded since treatment start). In addition, the sum must have an absolute i

GroupValue95% CI
Part C: Dabrafenib 150 mg5.84.3 – 7.4
Part C: Dabrafenib 150 mg + Trametinib 1 mg9.25.7 – 11.0
Part C: Dabrafenib 150 mg + Trametinib 2 mg9.47.6 – 16.6

Adverse events — posted to ClinicalTrials.gov

Time frame: Adverse Events and Serious Adverse Events were collected for the maximum actual duration of treatment exposure and follow up for a participant per the protocol for approximately 90 months.. Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Part A: Dabrafenib 75 mg + Trametinib 2 mg
Serious: 5/8 (63%)
Deaths: 2/8
Part B: Dabrafenib 75 mg + Trametinib 1 mg
Serious: 1/6 (17%)
Deaths: 0/6
Part B: Dabrafenib 150 mg + Trametinib 1 mg
Serious: 15/23 (65%)
Deaths: 1/23
Part B: Dabrafenib 150 mg + Trametinib 1.5 mg
Serious: 14/27 (52%)
Deaths: 6/27
Part B: Dabrafenib 150 mg + Trametinib 2 mg
Serious: 55/94 (59%)
Deaths: 12/94
Part C (Randomized): Dabrafenib 150 mg
Serious: 15/53 (28%)
Deaths: 1/53
Part C (Randomized): Dabrafenib 150 mg + Trametinib 1 mg
Serious: 24/54 (44%)
Deaths: 4/54
Part C (Randomized): Dabrafenib 150 mg + Trametinib 2 mg
Serious: 39/55 (71%)
Deaths: 7/55
Part C (Crossover): Dabrafenib 150 mg + Trametinib 2 mg
Serious: 24/45 (53%)
Deaths: 7/45
Part D: Dabrafenib (DAB) 75 mg to DAB 75 mg + Trametinib 2 mg
Serious: 8/15 (53%)
Deaths: 1/15
Part D: Dabrafenib 150 mg to DAB 150 mg + Trametinib 2 mg
Serious: 11/15 (73%)
Deaths: 4/15
Part D: Dabrafenib 75 mg + Trametinib 2 mg
Serious: 29/41 (71%)
Deaths: 7/41
Part D: Dabrafenib 150 mg + Trametinib 2 mg
Serious: 30/39 (77%)
Deaths: 2/39

Serious adverse events (223 terms)

ReactionSystemPart A: Dabrafenib 75 mg +…Part B: Dabrafenib 75 mg +…Part B: Dabrafenib 150 mg …Part B: Dabrafenib 150 mg …Part B: Dabrafenib 150 mg …Part C (Randomized): Dabra…Part C (Randomized): Dabra…Part C (Randomized): Dabra…Part C (Crossover): Dabraf…Part D: Dabrafenib (DAB) 7…Part D: Dabrafenib 150 mg …Part D: Dabrafenib 75 mg +…Part D: Dabrafenib 150 mg …
PyrexiaGeneral disorders
ChillsGeneral disorders
Ejection fraction decreasedInvestigations
HypotensionVascular disorders
Squamous cell carcinoma of skinNeoplasms benign, malignant and unspecified (incl cysts and polyps)
Cytokine release syndromeImmune system disorders
Basal cell carcinomaNeoplasms benign, malignant and unspecified (incl cysts and polyps)
VomitingGastrointestinal disorders
DehydrationMetabolism and nutrition disorders
AnaemiaBlood and lymphatic system disorders
NauseaGastrointestinal disorders
PneumoniaInfections and infestations
Alanine aminotransferase increasedInvestigations
Aspartate aminotransferase increasedInvestigations
Blood alkaline phosphatase increasedInvestigations
SyncopeNervous system disorders
Confusional statePsychiatric disorders
Pulmonary embolismRespiratory, thoracic and mediastinal disorders
NeutropeniaBlood and lymphatic system disorders
Gastrointestinal haemorrhageGastrointestinal disorders
Large intestinal obstructionGastrointestinal disorders
AstheniaGeneral disorders
Influenza like illnessGeneral disorders
Non-cardiac chest painGeneral disorders
HyperbilirubinaemiaHepatobiliary disorders
Other adverse events (354 terms — click to expand)

ReactionSystemPart A: Dabrafenib 75 mg +…Part B: Dabrafenib 75 mg +…Part B: Dabrafenib 150 mg …Part B: Dabrafenib 150 mg …Part B: Dabrafenib 150 mg …Part C (Randomized): Dabra…Part C (Randomized): Dabra…Part C (Randomized): Dabra…Part C (Crossover): Dabraf…Part D: Dabrafenib (DAB) 7…Part D: Dabrafenib 150 mg …Part D: Dabrafenib 75 mg +…Part D: Dabrafenib 150 mg …
PyrexiaGeneral disorders
FatigueGeneral disorders
NauseaGastrointestinal disorders
VomitingGastrointestinal disorders
ChillsGeneral disorders
DiarrhoeaGastrointestinal disorders
HeadacheNervous system disorders
ArthralgiaMusculoskeletal and connective tissue disorders
ConstipationGastrointestinal disorders
DizzinessNervous system disorders
Decreased appetiteMetabolism and nutrition disorders
CoughRespiratory, thoracic and mediastinal disorders
AnaemiaBlood and lymphatic system disorders
RashSkin and subcutaneous tissue disorders
AlopeciaSkin and subcutaneous tissue disorders
Oedema peripheralGeneral disorders
Urinary tract infectionInfections and infestations
MyalgiaMusculoskeletal and connective tissue disorders
Pain in extremityMusculoskeletal and connective tissue disorders
Oropharyngeal painRespiratory, thoracic and mediastinal disorders
Night sweatsSkin and subcutaneous tissue disorders
Abdominal painGastrointestinal disorders
HyperkeratosisSkin and subcutaneous tissue disorders
Blood alkaline phosphatase increasedInvestigations
HypokalaemiaMetabolism and nutrition disorders
Back painMusculoskeletal and connective tissue disorders
Muscle spasmsMusculoskeletal and connective tissue disorders
AstheniaGeneral disorders
Influenza like illnessGeneral disorders
Aspartate aminotransferase increasedInvestigations
Gamma-glutamyltransferase increasedInvestigations
DehydrationMetabolism and nutrition disorders
DyspnoeaRespiratory, thoracic and mediastinal disorders
Actinic keratosisSkin and subcutaneous tissue disorders
Dermatitis acneiformSkin and subcutaneous tissue disorders
NeutropeniaBlood and lymphatic system disorders
Alanine aminotransferase increasedInvestigations
HyponatraemiaMetabolism and nutrition disorders
Dry skinSkin and subcutaneous tissue disorders
ThrombocytopeniaBlood and lymphatic system disorders

Most-reported serious reactions: Pyrexia, Chills, Ejection fraction decreased, Hypotension, Squamous cell carcinoma of skin, Cytokine release syndrome, Basal cell carcinoma, Vomiting.

Data from ClinicalTrials.gov NCT01072175 adverse events section.

Sponsor's own description

This was an open-label, dose escalation study to investigate the safety, pharmacokinetics, pharmacodynamics and clinical activity of GSK2118436 and GSK1120212 in combination. This study was designed in four parts. In Part A, the effect of repeat doses of GSK1120212 on the pharmacokinetics of single dose GSK2118436 was investigated prior to evaluating combination regimens. In Part B, the range of tolerated dose combinations was identified using a dose-escalation procedure. In Part C, different dose combinations of GSK2118436 and GSK1120212 were evaluated, based on results from the dose escalation cohorts. In Part D, the pharmacokinetics and safety of GSK2118436 administered as HPMC capsules alone and in combination with GSK1120212 was evaluated.

Publications & conference data

8 peer-reviewed publications reference this trial (live from Europe PMC):

  1. Combined BRAF and MEK inhibition in melanoma with BRAF V600 mutations.
    Flaherty KT, Infante JR, Daud A, Gonzalez R, et al · · 2012 · cited 2094× · PMID 23020132 · DOI 10.1056/nejmoa1210093
  2. The MAPK pathway across different malignancies: a new perspective.
    Burotto M, Chiou VL, Lee JM, Kohn EC. · · 2014 · cited 773× · PMID 24948110 · DOI 10.1002/cncr.28864
  3. Dabrafenib in patients with melanoma, untreated brain metastases, and other solid tumours: a phase 1 dose-escalation trial.
    Falchook GS, Long GV, Kurzrock R, Kim KB, et al · · 2012 · cited 707× · PMID 22608338 · DOI 10.1016/s0140-6736(12)60398-5
  4. Robust prediction of response to immune checkpoint blockade therapy in metastatic melanoma.
    Auslander N, Zhang G, Lee JS, Frederick DT, et al · · 2018 · cited 586× · PMID 30127394 · DOI 10.1038/s41591-018-0157-9
  5. Combined BRAF and MEK Inhibition With Dabrafenib and Trametinib in BRAF V600-Mutant Colorectal Cancer.
    Corcoran RB, Atreya CE, Falchook GS, Kwak EL, et al · · 2015 · cited 396× · PMID 26392102 · DOI 10.1200/jco.2015.63.2471
  6. Phase II study of the MEK1/MEK2 inhibitor Trametinib in patients with metastatic BRAF-mutant cutaneous melanoma previously treated with or without a BRAF inhibitor.
    Kim KB, Kefford R, Pavlick AC, Infante JR, et al · · 2013 · cited 365× · PMID 23248257 · DOI 10.1200/jco.2012.43.5966
  7. Clinical, pathologic, and biologic features associated with BRAF mutations in non-small cell lung cancer.
    Cardarella S, Ogino A, Nishino M, Butaney M, et al · · 2013 · cited 284× · PMID 23833300 · DOI 10.1158/1078-0432.ccr-13-0657
  8. Ras/Raf/MEK/ERK and PI3K/PTEN/Akt/mTOR cascade inhibitors: how mutations can result in therapy resistance and how to overcome resistance.
    McCubrey JA, Steelman LS, Chappell WH, Abrams SL, et al · · 2012 · cited 242× · PMID 23085539 · DOI 10.18632/oncotarget.659

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Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT01072175.

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