Proton Collaborative Group

Proton Collaborative Group (PCG) is a non-profit clinical research organization and consortium dedicated to advancing the field of proton beam therapy through collaborative research. Founded in 2009, the organization facilitates multi-institutional clinical trials and maintains a comprehensive prospective registry to track patient outcomes across various cancer types. PCG brings together leading proton therapy centers to establish evidence-based protocols and define the clinical benefits of proton radiation compared to traditional photon-based treatments. By collecting large-scale data on toxicity and efficacy, PCG aims to optimize treatment delivery and improve the standard of care for oncology patients worldwide.