UTSW/Merck open label, Phase 2 clinical trial involving Keytruda: https://www.clinicaltrials.gov/ct2/show/NCT03519997?term=Pembrolizumab%2C+Bavituximab&rank=1 Above is new, previously unknown to me, one of 3 bavituximab trials listed on privately-held Oncologie web site for various oncology indications. https://www.oncologie.international/ongoing-trials/