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RECRUITING
NCT06971367
NA

IBIS Megastudy of Interventions to Encourage HIV Retesting

Sponsor: University of California, San Francisco

View on ClinicalTrials.gov

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

BEHAVIORAL

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.

BEHAVIORAL

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.

BEHAVIORAL

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.

BEHAVIORAL

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.

BEHAVIORAL

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.

BEHAVIORAL

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.

BEHAVIORAL

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.

BEHAVIORAL

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.

BEHAVIORAL

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.

BEHAVIORAL

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.

BEHAVIORAL

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