Contacting Authors to Retrieve Individual Patient Data

Unity Health Toronto

Status: Completed

Conditions: Response Rates

Treatments: Other: Financial Incentive

Study type: Interventional

Funder types: Other

Identifiers

NCT02569411

15-240c

Details and patient eligibility

About

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

Enrollment: 129 patients

Sex: All

Volunteers: No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria:

• Corresponding authors of RCTs included in our previous and updated systematic reviews

Exclusion Criteria:

Trial design

Primary purpose: Other

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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129 participants in 2 patient groups

No Incentive

No Intervention group

Description:

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

Incentive

Experimental group

Description:

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.

Treatment:

Other: Financial Incentive