Kenya HIV Self-Testing in PrEP Delivery

NCT ID: NCT03593629

Last Updated: 2024-06-04

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

790 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-05-28

Study Completion Date

2021-05-25

Brief Summary

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In a three-arm, randomized trial, the investigators will test the use of HIV-1 self-testing to decrease the frequency and burden of clinic visits for PrEP while resulting in equivalent PrEP adherence and HIV testing.

Detailed Description

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Guidelines recommend HIV-1 testing quarterly for individuals on PrEP. Clinic-based HIV testing every three months is costly for both clinics and participants. The investigators propose using HIV self-testing to replace quarterly clinic-based HIV testing for participants on PrEP, eliminating half of clinic visits and saving staffing and participant costs. The investigators want to understand the effect that reduced clinic contact frequency (resulting from HIV self-testing) has on PrEP adherence or completion of HIV-1 testing, overall and in subgroups.

The investigators will enroll roughly 495 eligible individuals on PrEP: 165 men and 165 women in HIV-1 serodiscordant couples and 165 women at risk of HIV-1 infection (priority populations for PrEP delivery in Kenya and more generally in Africa).

In this study, participants will be randomly assigned in a 2:1 fashion to either six-monthly clinic visits or quarterly clinic visits. Participants randomized to six-monthly clinic visits will receive a 6-month supply of PrEP and either two blood-based HIV self-tests (blood-based HIV self-testing arm) or two oral fluid HIV self-tests (oral fluid HIV self-testing arm). Participants randomized to quarterly clinic visits will receive a 3-month supply of PrEP and get tested for HIV by a healthcare professional at the clinic (standard of care arm)

Study outcomes, measured at Months 6 and 12, include PrEP adherence (defined as the detection of PrEP in dried blood spots as well as persistence in refilling PrEP), HIV-1 testing, and safety (including side effects and social harm).

Conditions

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HIV-1-infection

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

NONE

Study Groups

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Standard of Care

Participants receive standard of care for PrEP, including 3-months of PrEP supply and HIV testing at clinic every three months

Group Type NO_INTERVENTION

No interventions assigned to this group

Blood-based HIV self-testing

Participants receive 6-months of PrEP supply and blood-based HIV self-tests for quarterly HIV testing.

Group Type EXPERIMENTAL

6-month PrEP + blood-based HIV self-test

Intervention Type COMBINATION_PRODUCT

Participants receive 6-month PrEP supply plus two blood-based HIV self-tests (Atomo Diagnostics Blood-Based HIV-1 Self-Testing Kit) for quarterly HIV testing.

Oral fluid HIV self-testing

Participants receive 6-months of PrEP supply and oral fluid HIV self-tests for quarterly HIV testing.

Group Type EXPERIMENTAL

6-month PrEP + oral fluid HIV self-test

Intervention Type COMBINATION_PRODUCT

Participants receive 6-month PrEP supply plus two oral fluid HIV self-tests (OraQuick Oral Fluid-based HIV-1 Self-Testing Kit) for quarterly HIV testing.

Interventions

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6-month PrEP + blood-based HIV self-test

Participants receive 6-month PrEP supply plus two blood-based HIV self-tests (Atomo Diagnostics Blood-Based HIV-1 Self-Testing Kit) for quarterly HIV testing.

Intervention Type COMBINATION_PRODUCT

6-month PrEP + oral fluid HIV self-test

Participants receive 6-month PrEP supply plus two oral fluid HIV self-tests (OraQuick Oral Fluid-based HIV-1 Self-Testing Kit) for quarterly HIV testing.

Intervention Type COMBINATION_PRODUCT

Eligibility Criteria

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Inclusion Criteria

* Age ≥18 years HIV-1 uninfected based on negative HIV-1 rapid testing
* Not currently enrolled in an HIV-1 prevention clinical trial
* Taking PrEP and planning to continue
* Willing to be randomized to either clinic based HIV-1 testing or HIV-1 self-testing
* Note: Women who are pregnant at screening/enrollment are still eligible

Exclusion Criteria

* Unable to provide written informed consent
* Contraindication to use Tenofovir (TDF)+/- Emtricitabine (FTC)/ Lamivudine (3TC)

For the HIV-1 serodiscordant couples, HIV-1 infected members of the couple will be enrolled for a single visit at baseline, if:

* Age ≥18
* Able and willing to provide written informed consent
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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National Institute of Mental Health (NIMH)

NIH

Sponsor Role collaborator

University of Washington

OTHER

Sponsor Role lead

Responsible Party

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Jared Baeten

Professor, School of Medicine: Global Health; Dept. of Medicine, Allergy & Infectious Diseases

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Jared Baeten, MD, PhD

Role: PRINCIPAL_INVESTIGATOR

University of Washington

Kenneth Ngure, PhD, MPH

Role: PRINCIPAL_INVESTIGATOR

Jomo Kenyatta University of Agriculture and Technology

Locations

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Partners in Health Research and Development - Thika House

Thika, , Kenya

Site Status

Countries

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Kenya

References

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Mangale DI, Heitner J, Ortblad KF, Mogere P, Kiptinness C, Mugo NR, Baeten JM, Ngure K, Barnabas R. Opportunity for cost savings with a novel differentiated model of PrEP delivery: a comparative costing analysis of six-month PrEP supported by interim HIV self-testing and standard of care PrEP dispensing in Kenya. BMC Health Serv Res. 2025 Jul 1;25(1):865. doi: 10.1186/s12913-025-12891-7.

Reference Type DERIVED
PMID: 40598383 (View on PubMed)

Thuo N, Bardon AR, Mogere P, Kiptinness C, Casmir E, Wairimu N, Owidi E, Okello P, Mugo NR, Baeten JM, Ngure K, Ortblad KF. Acceptability of six-monthly PrEP dispensing supported with interim HIV self-testing to simplify PrEP delivery in Kenya: findings from qualitative research. BMC Health Serv Res. 2024 Oct 24;24(1):1281. doi: 10.1186/s12913-024-11521-y.

Reference Type DERIVED
PMID: 39448999 (View on PubMed)

Ortblad KF, Bardon AR, Mogere P, Kiptinness C, Gakuo S, Mbaire S, Thomas KK, Mugo NR, Baeten JM, Ngure K. Effect of 6-Month HIV Preexposure Prophylaxis Dispensing With Interim Self-testing on Preexposure Prophylaxis Continuation at 12 Months: A Randomized Noninferiority Trial. JAMA Netw Open. 2023 Jun 1;6(6):e2318590. doi: 10.1001/jamanetworkopen.2023.18590.

Reference Type DERIVED
PMID: 37318803 (View on PubMed)

Ngure K, Ortblad KF, Mogere P, Bardon AR, Thomas KK, Mangale D, Kiptinness C, Gakuo S, Mbaire S, Nyokabi J, Mugo NR, Baeten JM. Efficiency of 6-month PrEP dispensing with HIV self-testing in Kenya: an open-label, randomised, non-inferiority, implementation trial. Lancet HIV. 2022 Jul;9(7):e464-e473. doi: 10.1016/S2352-3018(22)00126-6.

Reference Type DERIVED
PMID: 35777410 (View on PubMed)

Ortblad KF, Kearney JE, Mugwanya K, Irungu EM, Haberer JE, Barnabas RV, Donnell D, Mugo NR, Baeten JM, Ngure K. HIV-1 self-testing to improve the efficiency of pre-exposure prophylaxis delivery: a randomized trial in Kenya. Trials. 2019 Jul 4;20(1):396. doi: 10.1186/s13063-019-3521-2.

Reference Type DERIVED
PMID: 31272495 (View on PubMed)

Provided Documents

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Document Type: Study Protocol and Informed Consent Form

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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1R01MH113572

Identifier Type: NIH

Identifier Source: secondary_id

View Link

STUDY00003750

Identifier Type: -

Identifier Source: org_study_id

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