Ampio Pharmaceuticals has received IRB approval and FDA IND clearance for its 500-patient, Phase III pivotal trial of Ampion for the treatment for osteoarthritis of-the-knee (OAK), and patient enrollment and treatments have commenced. The trial is a randomized, placebo (vehicle control)-controlled, double-blind study in which 500 patients with OAK will be randomized to Ampion 4 ml intra-articular injection or a 4 ml saline vehicle control. Similar to the initial Phase III trial, the primary end...