Supplementary search methods versus bibliographic database searching to identify studies and study reports

Chris Cooper; Daniela Goncalves-Bradley; Christopher Rose; Rachel Court; Zahara Premji; Anna Brown; Eve Tomlinson; Jane D K O'Sullivan; Joe S Carroll; Kerstin Nothnagel; Rachel M James; Catalina Lopez Manzano; et al

doi:10.1002/14651858.CD015679

Supplementary search methods versus bibliographic database searching to identify studies and study reports

Chris Cooper^*, Daniela Goncalves-Bradley, Christopher Rose, Rachel Court, Zahara Premji, Anna Brown, Eve Tomlinson, Jane D K O'Sullivan, Joe S Carroll, Kerstin Nothnagel, Rachel M James, Catalina Lopez Manzano, et al

^*Corresponding author for this work

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Abstract

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.

Original language	English
Article number	CD015679
Number of pages	13
Journal	Cochrane Evidence Synthesis and Methods
Issue number	11
DOIs	https://doi.org/10.1002/14651858.CD015679
Publication status	Published - 12 Nov 2025

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Publisher Copyright:
© 2025 The Authors.

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Cooper, C., Goncalves-Bradley, D., Rose, C., Court, R., Premji, Z., Brown, A., Tomlinson, E., O'Sullivan, J. D. K., Carroll, J. S., Nothnagel, K., James, R. M., Lopez Manzano, C., & al , E. (2025). Supplementary search methods versus bibliographic database searching to identify studies and study reports. Cochrane Evidence Synthesis and Methods, (11), Article CD015679. https://doi.org/10.1002/14651858.CD015679

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abstract = "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.",

author = "Chris Cooper and Daniela Goncalves-Bradley and Christopher Rose and Rachel Court and Zahara Premji and Anna Brown and Eve Tomlinson and O'Sullivan, \{Jane D K\} and Carroll, \{Joe S\} and Kerstin Nothnagel and James, \{Rachel M\} and \{Lopez Manzano\}, Catalina and et al",

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month = nov,

day = "12",

doi = "10.1002/14651858.CD015679",

language = "English",

journal = "Cochrane Evidence Synthesis and Methods",

issn = "2832-9023",

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Cooper, C, Goncalves-Bradley, D, Rose, C, Court, R, Premji, Z, Brown, A, Tomlinson, E , O'Sullivan, JDK , Carroll, JS , Nothnagel, K , James, RM , Lopez Manzano, C & al , E 2025, 'Supplementary search methods versus bibliographic database searching to identify studies and study reports', Cochrane Evidence Synthesis and Methods, no. 11, CD015679. https://doi.org/10.1002/14651858.CD015679

TY - JOUR

T1 - Supplementary search methods versus bibliographic database searching to identify studies and study reports

AU - Cooper, Chris

AU - Goncalves-Bradley, Daniela

AU - Rose, Christopher

AU - Court, Rachel

AU - Premji, Zahara

AU - Brown, Anna

AU - Tomlinson, Eve

AU - O'Sullivan, Jane D K

AU - Carroll, Joe S

AU - Nothnagel, Kerstin

AU - James, Rachel M

AU - Lopez Manzano, Catalina

AU - al , et

PY - 2025/11/12

Y1 - 2025/11/12

N2 - 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.

AB - 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.

U2 - 10.1002/14651858.CD015679

DO - 10.1002/14651858.CD015679

M3 - Article (Academic Journal)

C2 - 41221906

SN - 2832-9023

JO - Cochrane Evidence Synthesis and Methods

JF - Cochrane Evidence Synthesis and Methods

IS - 11

M1 - CD015679

ER -

Supplementary search methods versus bibliographic database searching to identify studies and study reports

Abstract

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