Dec 9 (Reuters) - Merck & Co Inc :
* MERCK ANNOUNCES PHASE 3 KEYLYNK-001 TRIAL MET PRIMARY ENDPOINT OF PROGRESSION-FREE SURVIVAL $(PFS)$ IN PATIENTS WITH ADVANCED EPITHELIAL OVARIAN CANCER
* MERCK & CO INC - STUDY DID NOT REACH SECONDARY ENDPOINT OF OVERALL SURVIVAL
* MERCK & CO INC - SAFETY PROFILES OF KEYTRUDA AND LYNPARZA CONSISTENT WITH PREVIOUS STUDIES
Source text: Further company coverage:
((Reuters.Briefs@thomsonreuters.com;))