Evidence synthesis registry
IDAG Registry
ICMR–DHR–AIIMS Guwahati Registry of Systematic Reviews and Meta-analyses
Prospective registration. Transparent methods. Trusted evidence.
- Registered Reviews
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- Institutions Represented
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- Countries Represented
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- Review Types Represented
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Figures count published registrations only.
Search registered evidence syntheses
Why IDAG?
Prospective registration
Record review plans before data extraction begins.
Methodological transparency
Make questions, eligibility and analysis plans visible.
Research integrity
Discourage selective reporting and post-hoc changes.
Visibility of planned syntheses
Let researchers see what is already under way.
Less unnecessary duplication
Help teams avoid repeating identical reviews.
Evidence-informed care and policy
Strengthen the evidence that decisions rely on.
Browse by Review Type
Intervention Reviews
Effectiveness of treatments, programmes and policies.
Diagnostic Test Accuracy Reviews
Performance of tests against a reference standard.
Network Meta-analysis
Simultaneous comparison of multiple interventions.
Prognostic Reviews
Factors and models predicting future outcomes.
Observational Evidence Reviews
Associations, aetiology and risk factors.
Prevalence / Incidence Reviews
Burden and frequency of conditions.
Qualitative Evidence Syntheses
Experiences, perspectives and contexts.
Umbrella Reviews
Overviews synthesising existing reviews.
Scoping Reviews
Mapping the extent and nature of a literature.
Other Evidence Syntheses
Rapid, economic, methodological and more.
Human Studies
Reviews of clinical, public-health and health-services research involving people.
Preclinical Animal Studies
Reviews of in vivo animal research informing translation to human health.
Recently published registrations
No registrations have been published yet.