This webpage provides detailed information about major clinical trial registries around the world, covering different national and regional systems. These platforms are dedicated to enhancing transparency, fostering scientific collaboration, and facilitating data sharing, aimed at improving the quality and reliability of clinical trials.
The ISRCTN is a registry that adheres to the guidelines set by the WHO ICTRP and ICMJE, containing essential information for describing clinical studies at their inception and assigning an ISRCTN ID to each record. All study records in the ISRCTN are freely accessible and searchable, with terms and conditions that promote the unrestricted use of all generated metadata.
ISRCTN RegistryThe China Clinical Trial Registry aligns with WHO ICTRP and ICMJE standards, registering clinical trials globally and promoting transparency by sharing details publicly. It is supported by secondary institutions like the Chinese University of Hong Kong Clinical Trials Registry and the Traditional Chinese Medicine Clinical Trials Registry.
ChiCTRVivli is an independent, non-profit organization providing a global platform for data-sharing and analytics, concentrating on the distribution of individual participant-level data from completed clinical trials to support the international research community. It functions as an impartial intermediary among data contributors, users, and the broader data sharing community.
VivliThe Clinical Trials Registry- India (CTRI) is an online public registry for clinical trials conducted in India, mandated since June 2009, to enhance transparency and meet publication standards. As a Primary Register of the WHO's International Clinical Trials Registry Platform (ICTRP), CTRI ensures detailed pre-registration of trials and requires regular updates, making trial information freely accessible globally.
CTRIThe WHO International Clinical Trials Registry Platform (ICTRP) was established following global calls for a unified network to ensure clear identification and easy access to clinical trial information, aiming to enhance transparency and support health decision-making. It functions within the WHO's Science Division, aiming to strengthen the scientific evidence base and facilitate access to reliable data for health interventions and research prioritization.
ICTRPThis website facilitates the management and supervision of clinical trials in the European Union (EU) and European Economic Area (EEA), aiming to revamp the clinical trials landscape to support extensive studies across multiple European countries, thereby advancing medical innovation and benefiting patients. A clinical trial is defined as research conducted to evaluate the safety or effectiveness of a medication in human participants.
Clinical trials in the European UnionClinicalTrials.gov is a website and online database of clinical research studies and information about their results. The National Library of Medicine (NLM) maintains the website. The study sponsor or investigator submits information about their study to ClinicalTrials.gov and is responsible for the safety, science, and accuracy of any study they list.
ClinicalTrials.govThe ANZCTR is an online registry of clinical trials being undertaken in Australia, New Zealand and elsewhere.
ANZCTRFounded in 2008, the Critical Path for Alzheimer’s Disease (CPAD) enhances regulatory decision-making tools to advance drug development and improve the lives of those living with Alzheimer’s disease and related dementia (ADRD).
Critical Path for Alzheimer's Disease