A specialized literature database on basic research in homeopathy “HomBRex” catalogues this field. This database is hosted and maintained by the Karl und Veronica Carstens-Stiftung (Essen/Germany). Access to the database is free, requiring only a user registration.
There are two specialized literature databases focusing on clinical research in homeopathy:
Currently, the University of Bern database holds more than 460 randomized controlled trials (RCTs) and more than 170 nonrandomized studies (NRSIs) on a large variety of diagnoses.