What is the medical term meaning an association of multiple institutions to perform clinical trials?

The medical term meaning an association of multiple institutions to perform clinical trials is "clinical trial network".

A clinical trial network is an organization that brings together multiple institutions, typically hospitals or research centers, to conduct clinical trials. These networks are designed to facilitate the recruitment of participants, standardize research procedures, and ensure the quality and safety of clinical trials. By collaborating in this way, institutions can pool their resources and expertise to conduct larger and more complex clinical trials, which can lead to faster progress in medical research.