San Francisco, CA (UroToday.com) — Lantheus Holdings, Inc. (Lantheus) and RefleXion Medical, Inc., announced a development and commercialization collaboration to evaluate the use of piflufolastat F 18, Lantheus’ prostate-specific membrane antigen (PSMA)-targeted positron emission tomography (PET) imaging agent, to enable real-time therapeutic guidance of biology-guided radiotherapy1 (BgRT) in prostate cancer using the RefleXion X1™ platform.