Center for Cancer Care

The START Center for Cancer Care is a world-renowned oncology practice and clinical research organization based in San Antonio, Texas. It is home to the world's largest Phase I oncology clinical trials program, operating sophisticated research facilities across the United States and Europe. The center specializes in early-phase drug development, partnering with global pharmaceutical and biotechnology companies to conduct first-in-human trials for novel anti-cancer agents. In June 2025, the center joined the OneOncology platform to enhance its clinical and operational capabilities while maintaining its independent research mission. The organization is recognized for providing patients with early access to cutting-edge therapies years before they reach the general market.