There are different databases either containing specific clinical trials (only for doctors or/and for patients) or containing general reviews of a therapeutic area. These databases allows the researchers to obtain information about descriptive features of clinical trial protocols, to locate references and access is also available to the summary of finished reviews and metanalyses.     Center Watch for Clinical Trials   Current Controlled Clinical Trials (only to register on first visit)   New Research Protocols Clinica Mayo   CRD Databases Evidence Based Medicine DARE   Cochrane Collaboration Summary of finished reviews and metanalyses   Bibliographic Resources     Spanish doctoral thesis index   PubMED & National Centre for Biotechnology Information-NLM-NIH   INIST-CNRS   BioMedNet Reviewed Medline (only to register on first visit).   Resources and Guidelines     EMEA   Access either to the draft and final or versions of the Efficacy Working Party) guidelines. Among other resources you could find the guidelines (PDF format) to perform clinical trials in the following diseases: Parkinson's Disease, Schizophrenia, Alzheimer, Studies with Children, Depression, Bipolar Disorders, Multiple Sclerosis, etc.   NINDS   Review Workshop: Traumatic Head Injury TBI Research Report of the meeting.May 2000. National Institute of Neurological Disorders and Stroke.   ICH   Access to the guidelines relevant to clinical trials performance (PDF format).   Organitzations     Drug Information Association   Society For Clinical Trials Web Site