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Self-Test Strategies and Linkage Incentives to Improve ART and PrEP Uptake in Men

Primary Purpose

Human Immunodeficiency Virus, Acquired Immunodeficiency Syndrome, HIV Infections

Status
Completed
Phase
Not Applicable
Locations
Kenya
Study Type
Interventional
Intervention
Provision of multiple self-tests
Small monetary incentives
Use of SMS/text reminders to motivate adherence to ART or PrEP
Sponsored by
University of California, San Francisco
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional prevention trial for Human Immunodeficiency Virus focused on measuring HIV/AIDS, Social Networks, Behavioral Economics, Incentives, PrEP, HIV Self-Testing, Fishermen, Sub Saharan Africa, Men, HIV Prevention

Eligibility Criteria

18 Years - undefined (Adult, Older Adult)MaleAccepts Healthy Volunteers

Inclusion Criteria:

  • Adult (18 years or older)
  • Male
  • Working as a fisherman or fishing-related occupation
  • Willing and able to provide informed consent for participation
  • Not participating in another research study related to HIV testing, treatment and/or prevention

Exclusion Criteria:

  • Younger than 18 years of age
  • Female
  • Included in another intervention study on HIV/AIDS
  • Inadequate cognitive and/or hearing capacity to complete planned study procedures, at the discretion of the study team

Sites / Locations

  • Impact Research Development Organization

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

No Intervention

Arm Label

Promoter training, multiple self-test kits, and incentives

Short training and referral for testing

Arm Description

Promoters in the intervention group will receive HIVST training, multiple HIVST for distribution to other men, and a small amount of remuneration (transport voucher) for themselves and to distribute to men in their networks.

Promoters in the control group will a short training on the basics of HIV prevention and treatment and will be encouraged to refer men in their networks for standard of care testing at the local health facilities- this may include HIV testing with a counselor or HIV self-test from the local health clinic, depending on what is available.

Outcomes

Primary Outcome Measures

Self-reported HIV testing
Proportion of participants who self-report HIV testing (yes/no) within the past 3 months, measured at 3-month follow-up.
Linkage to care or prevention
For HIV-positive participants (care): the proportion of participants who obtained confirmatory HIV testing (yes/no), 3-months following self-reported HIV testing AND the proportion of participants who had an HIV clinic visit (yes/no), 3-months following confirmatory HIV testing. For HIV-negative participants (prevention): the proportion of participants who obtained confirmatory HIV testing (yes/no) 3-months following self-reported testing AND the proportion of participants who were evaluated for PrEP (yes/no), 3-months following confirmatory HIV testing.

Secondary Outcome Measures

Linkage to ART or to PrEP
ART: Proportion of HIV-positive participants who initiate ART prescription (yes/no), 3-months following confirmatory testing and eligibility screening. PrEP: Proportion of PrEP-eligible HIV-negative participants who initiate PrEP prescription (yes/no), 3-months following confirmatory testing and eligibility screening.
Adherence to ART or PrEP
ART: Proportion of HIV-positive participants who attain viral suppression (HIV RNA <400 c/mL), 6 months following ART initiation. PrEP: proportion of PrEP-taking HIV-negative participants who are adherent to PrEP (TFV levels of >= 1500 ng/mL) at 6 months following PrEP initiation.
HIV testing after 3 months
Confirmatory HIV testing uptake 3 to 6 months after intervention start

Full Information

First Posted
February 23, 2021
Last Updated
August 9, 2023
Sponsor
University of California, San Francisco
Collaborators
University of Pennsylvania, Impact Research & Development Organization, National Institute of Mental Health (NIMH), Duke University, Kenya Medical Research Institute
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1. Study Identification

Unique Protocol Identification Number
NCT04772469
Brief Title
Self-Test Strategies and Linkage Incentives to Improve ART and PrEP Uptake in Men
Official Title
Self-Test Strategies and Linkage Incentives to Improve ART and PrEP Uptake in Men
Study Type
Interventional

2. Study Status

Record Verification Date
August 2023
Overall Recruitment Status
Completed
Study Start Date
March 22, 2021 (Actual)
Primary Completion Date
April 26, 2023 (Actual)
Study Completion Date
April 26, 2023 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
University of California, San Francisco
Collaborators
University of Pennsylvania, Impact Research & Development Organization, National Institute of Mental Health (NIMH), Duke University, Kenya Medical Research Institute

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
Yes

5. Study Description

Brief Summary
This is a randomized controlled trial to test a combination behavioral and biomedical interventions to improve the HIV prevention and care cascades in a population of mobile men in a high priority setting (fishermen in Kenya). The intervention strategy is to recruit and train highly socially-connected men to distribute HIV self-tests and provide linkage support to men in their close social networks. The study will determine whether this social network-based approach along with small financial incentives in the form of transport vouchers can increase men's self-testing, linkage to and uptake of ART and PrEP after self-testing, virologic suppression at 6 months (for those initiating ART) and PrEP adherence (for those initiating PrEP) at 6 months. The study includes a longitudinal qualitative and mixed methods (quantitative and qualitative assessments) to identify the pathways of intervention action, and understand how the social network-based approach with support for linkage affects testing and ART and PrEP uptake and retention in men.
Detailed Description
In Aim 1, following the study pilot, community selection, and preparation the investigators will conduct a census/BMU registry verification in study communities to identify the population of men eligible for the study. The study will screen, recruit and enroll eligible men who give their informed consent to participate, then measure their close social networks identify network-central, highly-connected men ("promoters") and randomize their close social network (a cluster) to 1:1 intervention and control groups. Investigators will then conduct a baseline survey to collect socio demographic and baseline sexual behavior data among men in the close social networks. Following this baseline data collection, all promoters will be provided a training. Promoters in the intervention group will receive HIVST training, multiple HIVST for distribution to other men, and a small amount of remuneration. Promoters in the control group will receive basic HIV education and training about the study, and will be given vouchers that can be exchanged for HIV tests (standard or free HIVST kits) at nearby health facilities. Using follow-up survey data, investigators will test the hypothesis that a higher rate of HIV testing will be observed after 3 months among men in networks that receive the intervention compared to control. In Aim 2, investigators will test whether network-central promoters can enhance linkage to ART and PrEP after HIV testing among men in their close social networks. Promoters in the Aim 1 intervention group will be asked to distribute information and transport vouchers for ART or PrEP when distributing HIV self-tests to men in their close social networks. Investigators will use clinic data to test the primary hypothesis that the intervention will result in higher rates of linkage to ART or PrEP (confirmatory testing and ART referral for positives, and PrEP screening for negatives). Investigators also will test the hypothesis that higher ART and PrEP uptake will be observed within 3 months (+ about one month) in the intervention group. In Aim 3, investigators will measure 6 month VL and 6 month tenofovir levels using viral load testing and a novel point of care PrEP adherence assay (an antibody-based assay permitting measurement of tenofovir levels in urine) in study sites, and test the hypothesis that higher rates of virologic suppression will be observed in HIV-infected men, and PrEP adherence in un-infected men, in the intervention group. Viral load measurements will be conducted by drawing additional venous blood during routine blood draws scheduled for MOH viral load monitoring (as well as additional draws during scheduled appointments for those occurring outside of the annual VL testing standard of care window). PrEP adherence will be measured utilizing the study urine assay at 6 months. HIV treatment adherence will measured through adherence assessment during 3 and 6 routine clinic visits. Across all aims, investigators will assess the pathways of intervention action using qualitative and mixed methods. Investigators will identify the mechanisms of action, and barriers and facilitators of the social network and incentives intervention implementation, using qualitative and mixed methods quantitative and qualitative assessments embedded in Aims 1, 2 and 3. The data collection approach will include in-depth interviews with participants in both groups, key informant interviews with network-central promoters, and focus group discussions with study participants stratified by HIV status and study group. Data will be collected at baseline and three follow-up periods corresponding to the timing of quantitative outcome measurements in Aims 1 through 3.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Human Immunodeficiency Virus, Acquired Immunodeficiency Syndrome, HIV Infections, Sexually Transmitted Diseases, Viral, Retroviridae Infections, Virus Diseases, Virus-HIV, RNA Virus Infections
Keywords
HIV/AIDS, Social Networks, Behavioral Economics, Incentives, PrEP, HIV Self-Testing, Fishermen, Sub Saharan Africa, Men, HIV Prevention

7. Study Design

Primary Purpose
Prevention
Study Phase
Not Applicable
Interventional Study Model
Parallel Assignment
Model Description
The study design is a cluster randomized controlled trial where the unit of randomization will be a clusters of men's close social network in study communities.
Masking
None (Open Label)
Allocation
Randomized
Enrollment
1509 (Actual)

8. Arms, Groups, and Interventions

Arm Title
Promoter training, multiple self-test kits, and incentives
Arm Type
Experimental
Arm Description
Promoters in the intervention group will receive HIVST training, multiple HIVST for distribution to other men, and a small amount of remuneration (transport voucher) for themselves and to distribute to men in their networks.
Arm Title
Short training and referral for testing
Arm Type
No Intervention
Arm Description
Promoters in the control group will a short training on the basics of HIV prevention and treatment and will be encouraged to refer men in their networks for standard of care testing at the local health facilities- this may include HIV testing with a counselor or HIV self-test from the local health clinic, depending on what is available.
Intervention Type
Behavioral
Intervention Name(s)
Provision of multiple self-tests
Intervention Description
Participants will be given multiple Oraquick Advance HIV-1/2 test kits for testing themselves more frequently and for men in their social networks.
Intervention Type
Other
Intervention Name(s)
Small monetary incentives
Intervention Description
Use of small incentive voucher (~$5) to encourage linkage to confirmatory testing.
Intervention Type
Behavioral
Intervention Name(s)
Use of SMS/text reminders to motivate adherence to ART or PrEP
Intervention Description
Messages will be motivational, will not include any identifying information and will include generic texts such as "maintain your good health", to cater for status-neutral language that can work for both HIV positive individuals taking ARVs, as well as HIV-negative individuals on PrEP who may need adherence support.
Primary Outcome Measure Information:
Title
Self-reported HIV testing
Description
Proportion of participants who self-report HIV testing (yes/no) within the past 3 months, measured at 3-month follow-up.
Time Frame
Up to 3 months
Title
Linkage to care or prevention
Description
For HIV-positive participants (care): the proportion of participants who obtained confirmatory HIV testing (yes/no), 3-months following self-reported HIV testing AND the proportion of participants who had an HIV clinic visit (yes/no), 3-months following confirmatory HIV testing. For HIV-negative participants (prevention): the proportion of participants who obtained confirmatory HIV testing (yes/no) 3-months following self-reported testing AND the proportion of participants who were evaluated for PrEP (yes/no), 3-months following confirmatory HIV testing.
Time Frame
Up to 3 months
Secondary Outcome Measure Information:
Title
Linkage to ART or to PrEP
Description
ART: Proportion of HIV-positive participants who initiate ART prescription (yes/no), 3-months following confirmatory testing and eligibility screening. PrEP: Proportion of PrEP-eligible HIV-negative participants who initiate PrEP prescription (yes/no), 3-months following confirmatory testing and eligibility screening.
Time Frame
Up to 3 months
Title
Adherence to ART or PrEP
Description
ART: Proportion of HIV-positive participants who attain viral suppression (HIV RNA <400 c/mL), 6 months following ART initiation. PrEP: proportion of PrEP-taking HIV-negative participants who are adherent to PrEP (TFV levels of >= 1500 ng/mL) at 6 months following PrEP initiation.
Time Frame
Up to 6 months
Title
HIV testing after 3 months
Description
Confirmatory HIV testing uptake 3 to 6 months after intervention start
Time Frame
3 to 6 months

10. Eligibility

Sex
Male
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria: Adult (18 years or older) Male Working as a fisherman or fishing-related occupation Willing and able to provide informed consent for participation Not participating in another research study related to HIV testing, treatment and/or prevention Exclusion Criteria: Younger than 18 years of age Female Included in another intervention study on HIV/AIDS Inadequate cognitive and/or hearing capacity to complete planned study procedures, at the discretion of the study team
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Carol S Camlin, MPH, PhD
Organizational Affiliation
University of California, San Francisco
Official's Role
Principal Investigator
First Name & Middle Initial & Last Name & Degree
Harsha Thirumurthy, PhD
Organizational Affiliation
University of Pennsylvania
Official's Role
Principal Investigator
Facility Information:
Facility Name
Impact Research Development Organization
City
Siaya
Country
Kenya

12. IPD Sharing Statement

Plan to Share IPD
No
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Self-Test Strategies and Linkage Incentives to Improve ART and PrEP Uptake in Men

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