RPT-UPDATE 2-Pfizer to test Xalkori lung cancer drug with Merck immunotherapy
August 26, 2014 at 12:27 PM EDT
Aug 26 (Reuters) - Pfizer Inc said Tuesday it will test its Xalkori lung cancer drug with Merck & Co's experimental immunotherapy pembrolizumab, in hopes the combination will improve the outcomes for patients taking the approved Pfizer therapy.