Epistemonikos Trials Database

Epistemonikos Database of Trials | Methods

Inclusion criteria

Search methods

Search sources

Electronic databases

  • MEDLINE/PubMed(From inception to November 12, 2025)
  • EMBASE*(From inception to December 16, 2025)
  • Web of Science*(From inception to December 16, 2025)
  • CINAHL*(From inception to December 16, 2025)
  • LILACS(From inception to December 16, 2025)
  • IRIS WHO(No data available)
  • PsycINFO*(From inception to June 10, 2025)
  • Scopus*(From inception to December 16, 2025)

Preprint servers

  • medRxiv/bioRxiv(From inception to October 16, 2025)
  • SSRN(From inception to October 15, 2025)
  • ResearchSquare(From inception to October 16, 2025)

Trial Registries

  • ClinicalTrials.gov(From inception to October 16, 2025)
  • ISRCTN registry(From inception to October 16, 2025)
  • EU Clinical Trials Register(From inception to October 02, 2025)
  • Australian New Zealand Clinical Trials Registry(From inception to October 16, 2025)
  • Chinese Clinical Trial Register(From inception to December 16, 2025)
  • Iranian Registry of Clinical Trials(From inception to December 16, 2025)
  • Brazilian Registry of Clinical Trials(From inception to December 16, 2025)
  • Pan African Clinical Trials Registry(From inception to December 16, 2025)
  • Lebanese Clinical Trials Registry(From inception to December 16, 2025)
  • Registro Público Cubano de Ensayos Clínicos(From inception to December 16, 2025)
  • Overview of Medical Research in the Netherlands(From inception to December 16, 2025)
  • Clinical Trials Peruvian Registry(From inception to December 16, 2025)
  • Korean Clinical Trials Database(From inception to December 16, 2025)
  • UMIN Clinical Trials Registry(From inception to December 16, 2025)
  • Japan Primary Registry Network(From inception to December 16, 2025)
  • Japan Pharmaceutical Information Center(From inception to December 16, 2025)
  • German Clinical Trials Register(From inception to December 16, 2025)
  • Clinical Trials Registry - India(From inception to December 16, 2025)
  • Sri Lanka Clinical Trials Registry(From inception to December 16, 2025)
  • Thai Clinical Trials Registry(From inception to December 16, 2025)
  • International Traditional Medicine Clinical Trial Registry(From inception to December 16, 2025)
  • Clinical Trials Information System(From inception to December 16, 2025)

Other search sources

Deduplication and quality assurance

Study selection