The Brazilian Clinical Trials Registry / Registro Brasileiro de Ensaios Clínicos (ReBEC) is an open access virtual platform for registration of ongoing or concluded experimental and non-experimental studies on humans performed in Brazil and elsewhere. ReBEC is a joint Project of Brazilian Ministry of Health, The Panamerican Health Organization (PAHO) and The Oswaldo Cruz Foundation (FIOCRUZ). The Executive Committee of ReBEC is composed of the aforementioned instituitions and also The National Health Surveillance Agency (ANVISA).