Are you referring to these "signal seeking" trials?
Only some of them:
Official Title: A Phase II Safety and Efficacy Study of Bavituximab Plus Paclitaxel and Carboplatin in Patients With Locally Advanced or Metastatic Breast Cancer Primary Outcome Measures:
Official Title: A Randomized, Open-Label, Phase 2 Trial of Paclitaxel/Carboplatin With or Without Bavituximab in Patients With Previously Untreated Locally Advanced or Metastatic Non-Squamous Non Small-Cell Lung Cancer Primary Outcome Measures:
Official Title: A Randomized, Double-Blind, Placebo-Controlled Phase 2 Trial of Bavituximab Plus Docetaxel in Patients With Previously Treated Locally Advanced or Metastatic Non-Squamous Non Small-Cell Lung Cancer Primary Outcome Measures: