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Relevant websites

Enhancing the Quality and Transparency of Health Research

Consolidated Standards of  Reporting Trials (2010)
Template for Intervention Description and Replication (TIDieR) (2014)


            Declaration of Helsinki (2008)



Pragmatic Randomized Controlled Trials in Healthcare


   Core Outcome Measures in Effectiveness Trials


Guideline for Good Clinical Practice E6 (1996)


NIHR Clinical Trials Toolkit


Clinical Data Interchange Standards Consortium
Protocol Representation Model

International Committee of Medical Journal Editors


    IDEAL Collaboration


  Ottawa Statement


Trial registries

  • ClinicalTrials.gov
  • European Union Clinical Trials Register (EU-CTR)
  • ISRCTN Register
  • Australian New Zealand Clinical Trials Registry (ANZCTR)
  • Brazilian Clinical Trials Registry (ReBec)
  • Chinese Clinical Trial Registry (ChiCTR)
  • Clinical Research Information Service (CRiS), Republic of Korea
  • Clinical Trials Registry – India (CTRI)
  • Cuban Public Registry of Clinical Trials (RPCEC)
  • German Clinical Trials Register (DRKS)
  • Iranian Registry of Clinical Trials (IRCT)
  • Japan Primary Registries Network (JPRN)
  • Netherlands National Trial Register (NTR)
  • Pan African Clinical Trial Registry (PACTR)
  • Sri Lanka Clinical Trials Registry (SLCTR)
  • Thai Clinical Trials Registry (TCTR)
  • SPIRIT Checklist
    Publications & Downloads
    SEPTRE (SPIRIT Electronic Protocol Tool & Resource)