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IBIS Megastudy of Interventions to Encourage HIV Retesting
Sponsor: University of California, San Francisco
Summary
In this study, the investigators will test the effectiveness of multiple low-cost behavioral interventions, designed with end-user input, to promote HIV retesting among adults in rural Kenya and Uganda who have higher risk of HIV exposure.
Official title: Transformative Approaches to Rapidly and Efficiently Test Demand Creation Interventions to Promote HIV Retesting in Adults at Increased Risk of HIV
Key Details
Gender
All
Age Range
15 Years - Any
Study Type
INTERVENTIONAL
Enrollment
40000
Start Date
2025-12-09
Completion Date
2027-12
Last Updated
2026-01-26
Healthy Volunteers
Yes
Conditions
Interventions
Risk assessment messaging
Participants will be shown a brief video message at their baseline visit, containing information related to HIV risk assessment core concepts and encouraging them to return for a repeat HIV test. They will also receive brief SMS follow-up messages at about 8 and 11 weeks after baseline reminding them about HIV retesting and re-emphasizing concepts from the HIV risk assessment content category.
U=U messaging
Participants will be shown a brief video message at their baseline visit, containing information related to U=U core concepts and encouraging them to return for a repeat HIV test. They will also receive brief SMS follow-up messages at about 8 and 11 weeks after baseline reminding them about HIV retesting and re-emphasizing concepts from the U=U content category.
Community benefits messaging
Participants will be shown a brief video message at their baseline visit, containing information related to Community Benefits core concepts and encouraging them to return for a repeat HIV test. They will also receive brief SMS follow-up messages at about 8 and 11 weeks after baseline reminding them about HIV retesting and re-emphasizing concepts from the Community Benefits content category.
Fresh start effect
Participants will be shown a brief video message at their baseline visit, containing information related to Fresh Start core concepts and encouraging them to return for a repeat HIV test. They will also receive brief SMS follow-up messages at about 8 and 11 weeks after baseline reminding them about HIV retesting and re-emphasizing concepts from the Fresh start effect content category.
Education-based messaging
Participants will be shown a brief video message at their baseline visit, containing information related to HIV education core concepts and encouraging them to return for a repeat HIV test. They will also receive brief SMS follow-up messages at about 8 and 11 weeks after baseline reminding them about HIV retesting and re-emphasizing concepts from the Education-based content category.
Default appointment messaging
Participants will be shown a brief video message at their baseline visit, containing information related to Default Appointment core concepts and encouraging them to return for a repeat HIV test. They will also receive brief SMS follow-up messages at about 8 and 11 weeks after baseline reminding them about HIV retesting and re-emphasizing concepts from the Default Appointment content category.
Reserved for you messaging
Participants will be shown a brief video message at their baseline visit, containing information related to the "Reserved for you" core concepts and encouraging them to return for a repeat HIV test. They will also receive brief SMS follow-up messages at about 8 and 11 weeks after baseline reminding them about HIV retesting and re-emphasizing concepts from the "Reserved for you" content category.
Social norms (default) messaging
Participants will be shown a brief video message at their baseline visit, containing information related to Social Norms core concepts and encouraging them to return for a repeat HIV test. The video message will be delivered by the default avatar. They will also receive brief SMS follow-up messages at about 8 and 11 weeks after baseline reminding them about HIV retesting and re-emphasizing concepts from the Social Norms content category.
Social norms (varied) messaging
Participants will be shown a brief video message at their baseline visit, containing information related to Social Norms core concepts and encouraging them to return for a repeat HIV test. The video message will be delivered by an avatar that approximately matches each participant's age and sex. They will also receive brief SMS follow-up messages at about 8 and 11 weeks after baseline reminding them about HIV retesting and re-emphasizing concepts from the Social Norms content category.
Goal-setting messaging
Participants will be shown a brief video message at their baseline visit, containing information related to goal-setting core concepts and encouraging them to return for a repeat HIV test. They will also receive brief SMS follow-up messages at about 8 and 11 weeks after baseline reminding them about HIV retesting and re-emphasizing concepts from the goal-setting content category.
Incentive
Participants will be informed that they will receive a small financial incentive if they return for repeat HIV testing in 3-6 months after enrollment.
Locations (2)
Kenya Medical Research Institution (KEMRI)
Mbita, Kenya
Infectious Diseases Research Collaboration (IDRC)
Mbarara, Uganda