Aethlon Medical, Inc. announced that it has entered into an agreement with PPD, Inc. for PPD to oversee the company's clinical studies investigating the Hemopurifier, Aethlon's therapeutic blood filtration system, for infectious disease indications. Pursuant to the agreement, PPD will manage Aethlon's ongoing study of the Hemopurifier for patients who are critically ill with COVID-19 (NCT04595903). PPD and Aethlon also can agree to include additional studies under their agreement.