Patrick Lyden, MD (IMAGE) Keck School of Medicine of USC Caption USC Neurologist Patrick Lyden, MD, principal investigator of 3K3A-APC Phase 3 clinical trial Credit USC/Don Milci Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.