German Cooperative Clinical Research

The German Cooperative Oncology Group, officially known as Arbeitsgemeinschaft Internistische Onkologie (AIO), is a leading academic research organization and clinical trial network based in Germany. It operates as a cooperative group within the German Cancer Society, focusing on the development and execution of multicenter clinical trials in medical oncology. Through its subsidiary, AIO-Studien-gGmbH, the organization provides professional trial management services, including protocol development, regulatory affairs, and data management. AIO is instrumental in advancing standard-of-care treatments for gastrointestinal, thoracic, and other solid tumors through high-quality clinical research. The group collaborates extensively with international research networks and the pharmaceutical industry to bring innovative therapies to patients.