Contacting Authors to Retrieve Individual Patient Data

NCT ID: NCT02569411

Last Updated: 2020-07-01

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

129 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-06-10

Study Completion Date

2018-02-28

Brief Summary

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The objective of this study is to examine the impact of incentivizing authors of RCTs that are eligible for a systematic review and meta-analysis, versus usual contact strategies to obtain original IPD

Detailed Description

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Conditions

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Response Rates

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Investigators

Study Groups

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No Incentive

Those allocated to the control group will be contacted by email, mail, and phone, but will not receive a financial incentive

Group Type NO_INTERVENTION

No interventions assigned to this group

Incentive

Those allocated to the intervention group will be contacted by email, mail, and phone, and will be asked to provide the IPD from their RCT and they will be given a financial incentive.

Group Type EXPERIMENTAL

Financial Incentive

Intervention Type OTHER

money

Interventions

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Financial Incentive

money

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Corresponding authors of RCTs included in our previous and updated systematic reviews
Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Unity Health Toronto

OTHER

Sponsor Role lead

Responsible Party

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Andrea Tricco

Dr.

Responsibility Role PRINCIPAL_INVESTIGATOR

References

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Veroniki AA, Ashoor HM, Le SPC, Rios P, Stewart LA, Clarke M, Mavridis D, Straus SE, Tricco AC. Retrieval of individual patient data depended on study characteristics: a randomized controlled trial. J Clin Epidemiol. 2019 Sep;113:176-188. doi: 10.1016/j.jclinepi.2019.05.031. Epub 2019 May 30.

Reference Type DERIVED
PMID: 31153977 (View on PubMed)

Veroniki AA, Straus SE, Ashoor H, Stewart LA, Clarke M, Tricco AC. Contacting authors to retrieve individual patient data: study protocol for a randomized controlled trial. Trials. 2016 Mar 15;17(1):138. doi: 10.1186/s13063-016-1238-z.

Reference Type DERIVED
PMID: 26975720 (View on PubMed)

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

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15-240c

Identifier Type: -

Identifier Source: org_study_id

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