Supplementary search methods versus bibliographic database searching to identify studies and study reports
This is a protocol for a Cochrane Review (methodology). The objectives are as follows: To assess the effectiveness and resource requirements of supplementary search methods compared with bibliographic database searching for identifying studies and study reports. The supplementary search methods we will consider are: citation searching; contacting study authors; handsearching; regulatory agency sources and clinical study reports; clinical trials registries; web searching.
Authors
- Annika Queder
- Catalina Lopez Manzano (ORCID: https://orcid.org/0009-0009-8883-0167)
- Christopher James Rose (ORCID: https://orcid.org/0000-0001-6457-8168)
- Sigcho González
- Rachel Court (ORCID: https://orcid.org/0000-0002-4567-2586)
- Daniela C. Gonçalves (ORCID: https://orcid.org/0000-0002-5186-3792)
- K. H. Nothnagel
- Samuel Haftel
- Nadine Freitag (ORCID: https://orcid.org/0000-0001-8466-8793)
- Chris Cooper (ORCID: https://orcid.org/0000-0003-0864-5607)
- E. Tomlinson (ORCID: https://orcid.org/0000-0002-0969-602X)
- Anna Brown (ORCID: https://orcid.org/0000-0002-4541-6232)
- Jane O'Sullivan
- Joe Carroll (ORCID: https://orcid.org/0009-0004-7006-0938)
- Rachel James (ORCID: https://orcid.org/0000-0001-9299-9461)
- Zahra Premji (ORCID: https://orcid.org/0000-0002-6899-0528)
- Ute Schauberger
Institutions
- Norwegian Institute of Public Health (NO)
- King's College London (GB)
- University of Victoria (CA)
- Heidelberg University (DE)
- University Hospital Heidelberg (DE)
- University of Bristol (GB)
- University of Oxford (GB)
- Düsseldorf University Hospital (DE)
- Heidelberg Engineering (Germany) (DE)
- Sytronics (United States) (US)
- Oldham Council (GB)
- Heinrich Heine University Düsseldorf (DE)
- Universitat de les Illes Balears (ES)
- University of Birmingham (GB)
- Heidelberg University (US)
Publication Details
- Journal
- Cochrane Database of Systematic Reviews
- Published
- 2025-11-12
- DOI
- https://doi.org/10.1002/14651858.cd015679
- Primary Topic
- Meta-analysis and systematic reviews
- Type
- article
- Field-Weighted Citation Impact
- 0.00