The European Medicines Agency (EMA's) Committee for Medicinal Products for Human Use (CHMP) has issued a positive opinion recommending marketing authorization for GlaxoSmithKline (GSK's) Mekinist (trametinib) as a single agent in the treatment of adult patients with unresectable or metastatic melanoma with a BRAF V600 mutation.
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Trametinib as a single agent has not showed clinical activity in patients who have progressed on a prior BRAF inhibitor therapy.
According to the company, before taking trametinib, patients must have confirmation of BRAF V600 mutation using a validated test.
GSK head of Oncology R&D Rafael Amado said, "This CHMP opinion brings us a step closer to making another personalised medicine available for patients with BRAF-mutant metastatic melanoma in Europe."
The recommendation for trametinib monotherapy is based on a randomized open label Phase III trial comparing trametinib to chemotherapy in 322 patients with BRAF mutant melanoma (V600E and V600K) and a non-randomized Phase II trial in 97 patients with BRAF mutant melanoma split in two cohorts: previously treated or not treated with a BRAF inhibitor.
CHMP positive opinion is one of the final steps before marketing authorisation is granted by the European Commission (EC) and a final decision is expected during the second quarter of 2014.