Merck KGAA and Pfizer Inc.'s Bavencio (avelumab) lost an opportunity to crack the ovarian cancer market early with the anti-PD-L1 checkpoint inhibitor's failure as monotherapy and in combination with chemotherapy in the Phase III JAVELIN Ovarian 200 study of tough-to-treat platinum-resistant or refractory disease.
The companies announced in a Nov. 19 top-line release that the drug missed progression-free survival (PFS) and overall survival (OS)...







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