An eagerly awaited Phase I/II study of Roche’s Zelboraf and Bristol-Myers Squibb Co.’s Yervoy has been terminated due to liver toxicity, but the drugs still could find a role for use in immediate sequence.
Both Bristol’s CTLA inhibitor Yervoy (ipilimumab) and Roche’s BRAF inhibitor Zelboraf (vemurafenib) revolutionized the melanoma field when they cleared FDA in 2011, and the two drugs’ different mechanisms of action were expected to be complementary