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. Author manuscript; available in PMC: 2021 Nov 12.
Published in final edited form as: Expert Opin Investig Drugs. 2012 Aug 9;21(11):1643–1659. doi: 10.1517/13543784.2012.713938

Table 1.

Phase II/III studies of BRAF-I inhibitors in melanoma.

Study reference Number of patients eligible for analysis Study design Primary end point Dose and schedule - treatment arm Responses Survival HR (95% CI)
BRIM 2 [22] 132 Phase II, open label BORR Vemurafenib (PLX-4032) 960 mg b.i.d. orally BORR: 52.3%
CR: 2.3%
PR: 50%
6.2 months N/A
BRIM 3 [4] 675 Phase III, randomized, double blind OS Vemurafenib (PLX-4032) 960 mg b.i.d. orally PLX-4032: 84% (6 months)
DTIC® alone: 64% (6 months)
PLX-4032: 5.3 months
DTIC alone: 1.6 months
Death 0.37 (95% CI 0.26 – 0.55)
Progression 0.26 (95% CI 0.20 – 0.33)
Infante et al [23] 16 (45) Three-part Phase I/II
Part 1: PK drug-drug interaction study
Part 2: dose escalation to find MTD followed by expansion
Part 3: randomized Phase II trial in untreated stage IV melanoma
Part 1: PK/PD
Part 2: OR
Dabrafenib (GSK2118436, BRAF inhibitor) 75 – 150 mg b.i.d. + GSK1120212 (oral MEK1/2 inhibitor) 1.0, 1.5 or 2.0 mg q.d. RP2D: GSK2118436 150 mg b.i.d. + GSK1120212 2 mg q.d. ORR: 81% (13 PR + 3 SD) N/A N/A

CI: Confidence interval; HR: Hazard ratio; N/A: Not applicable; ORR: Overall response rate; OS: Overall survival; PD: Pharmacodynamics; PFS: Progression-free survival; PK: Pharmacokinetics; PR: Partial response; RP2D: Recommended Phase II dosage; SD: Stable disease.