Blame an undisclosed independent contractor! Question, how do you check if the independent contractor is doing their job right if it is blind to the company, etc.? Peregrine Pharma Stock Craters on Lung Cancer Drug Blowup By Adam Feuerstein Peregrine blamed the problem on an undisclosed, independent contractor hired to help run the clinical study. As a result, "investors should not rely on clinical data that the company disclosed on or before Sept. 7, 2012 from its phase II bavituximab trial in patients with second-line non-small cell lung cancer or any presentations or other documents related to this phase II trial," Peregrine said. http://www.thestreet.com/story/11716746/1/peregrine-pharma-stock-crater-on-lung-cancer-drug-blowup.html