Ophthalmology: Clinical Trials

Designed to help people in South Carolina locate research studies in which to participate.

A registry and results database of federally and privately supported clinical trials conducted in the U.S. and around the world. Gives information about a trial's purpose, who may participate, locations, and phone numbers.

The global source for clinical trials information: offering news, analysis, study grants, career opportunities, and trial listings to professionals and patients.

A numeric system for the unique identification of randomised controlled trials worldwide. The ISRCTN Register also accepts registration of other forms of studies designed to assess the efficacy of health-care interventions.

Includes information about published and ongoing research studies.

Allows users to search for information on clinical trials in European Union (EU) member states and the European Economic Area (EEA) and clinical trials which are conducted outside the EU/EEA if they form part of a paediatric investigation plan (PIP).

An international database of prospectively registered systematic reviews in health and social care. Hosted by the UK's National Institute for Health Research.

Part of NIH's Research Portfolio Online Reporting Tools. Includes reports, data, and analyses of NIH research activities.

This Clinical Trials Search Portal provides access to a central database containing the trial registration data sets provided by various international registries. Hosted by the World Health Organization.