Aug 22 (Reuters) - Sierra Oncology Inc SRRA.O :
* SIERRA ONCOLOGY OBTAINS DEBT FACILITY FROM SILICON VALLEY BANK TO ACQUIRE AND ADVANCE MOMELOTINIB
* SIERRA ONCOLOGY - DEBT FACILITY INCLUDES UP TO $15 MILLION AVAILABLE IN THREE $5 MILLION TRANCHES
* SIERRA ONCOLOGY - AN ADDITIONAL $25 MILLION IS POTENTIALLY AVAILABLE IN AN UNCOMMITTED INCREMENTAL FACILITY SUBJECT TO LENDER APPROVAL