LibGuides: Medical Library Research Guide: Clinical Trials

Major Clinical Trials Databases

Clinical Trials.gov
A registry of federally and privately supported clinical trials conducted in the United States and around the world. ClinicalTrials.gov gives you information about a trial's purpose, who may participate, locations, and phone numbers for more details.
National Cancer Institute Clinical Trials
Basic information on clinical trials and database of NCI supported trials across the country.

Cochrane Central Register of Controlled Trials - CCRT This link opens in a new window
Part of Wiley's Evidence Based Medicine Reviews collection, a joint production of the National Library of Medicine (NLM) who produce MEDLINE and Reed Elsevier who produce EMBASE. Contributors follow quality control standards to ensure only reports of definite randomized controlled trials or controlled clinical trials are included.

CenterWatch Clinical Trials
Online database of industry-sponsored global clinical trials actively seeking study volunteers.
International Clinical Trials Registry Platform (ICTRP)
World Health Organization
ISRCTN Registry
Clinical trial registry recognized by WHO that accepts all clinical research studies (whether proposed, ongoing or completed), providing content validation and curation and the unique identification number necessary for publication.
UK Be Part of Research (Clinical Trials)
United Kingdom searchable registry.