Grupo de Estudos Oncológicos

Grupo de Estudos Oncológicos (GEO) is a specialized clinical research organization (CRO) and site management organization based in Brazil, focusing exclusively on oncology. Founded in 1998 by prominent Brazilian oncologists, the company provides comprehensive services for the execution of Phase I through IV clinical trials. GEO operates a network of high-standard research sites and offers expertise in regulatory affairs, data management, and clinical monitoring within the Latin American market. The organization partners with global pharmaceutical and biotechnology companies to facilitate the development of innovative cancer treatments. Their research portfolio includes a wide range of therapeutic modalities, such as immunotherapies, targeted therapies, and cytotoxic agents, across various solid tumors and hematological indications. GEO is recognized for its high quality standards and has been a key participant in numerous international multicenter trials that led to global regulatory approvals.