Keytruda: US FDA Reflects On Lessons Learned From Failed Myeloma Studies

Importance of randomized, controlled trials and need for a thoughtful, considered approach to development of rational combinations are highlighted by the increased mortality risk seen with pembrolizumab treatment in two halted multiple myeloma studies, FDA officials say.

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The troubling mortality results from two multiple myeloma trials of Merck & Co. Inc.'s PD-1 inhibitor Keytruda (pembrolizumab) suggest important lessons for future immunotherapy studies of combination regimens, US FDA officials say.

The higher rate of death in the pembrolizumab-containing arms in both the KEYNOTE-183 and KEYNOTE-185 studies underscores the importance of randomized, controlled trials and the need for sponsors to consider...

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