A Randomized Trial of ImpACT+, a Coping Intervention for HIV Infected Women With Sexual Trauma in South Africa (ImpACT+)

July 2, 2025 updated by: Kathleen J. Sikkema, PhD, Columbia University

Project Someleze: A Randomized Trial of ImpACT+, a Coping Intervention to Improve Clinical and Mental Health Outcomes Among HIV-infected Women With Sexual Trauma in South Africa

ImpACT+ (Improving AIDS Care after Trauma+), is an individual-level coping intervention to address traumatic stress and HIV care engagement among South African women with sexual trauma histories. We propose a full-scale randomized controlled trial to examine the effect of ImpACT+ on clinical outcomes in the period after ART initiation and to understand mental health and behavioral mechanisms through which viral suppression can be achieved. ImpACT+ will target women who are initiating ART in order to take advantage of a window of opportunity in HIV care and maximize care engagement. The aims are to test the effectiveness of ImpACT+ and explore its potential for implementation.

Study Overview

Detailed Description

Addressing sexual trauma in the context of HIV care is essential to improve clinical outcomes and mental health among women in South Africa. Women represent nearly two-thirds of the South African HIV epidemic, and they report disproportionately high rates of sexual trauma, which negatively impacts their mental health and may lead to avoidant coping behaviors. The psychological sequaelae of trauma can adversely impact retention in HIV care and adherence to antiretroviral therapy (ART), which may in turn reduce viral suppression and increase the risk of HIV transmission to others. HIV care engagement may be particularly challenging in South Africa, where women face dual epidemics of HIV and sexual violence, with limited access to mental health treatment. In this setting, interventions that address barriers to effective HIV care engagement and improve health outcomes across the care continuum are urgently needed. The primary objective of this study is to evaluate the effectiveness of ImpACT+ (Improving AIDS Care after Trauma+), an individual-level intervention based on theories of stress and coping, on clinical outcomes among HIV-infected women with sexual trauma. Secondary objectives include determining whether reductions in traumatic stress and avoidant coping mediate intervention effects on clinical outcomes, and assessing potential for scalability and full-scale implementation. ImpACT+ was developed and culturally adapted to the South African context, targeting women who are initiating ART (classified clinically as naïve initiators, restarters or defaulters) to make use of a window of opportunity in HIV care and maximize impact on care engagement. The proposed five-year study seeks to rigorously evaluate ImpACT+, using a hybrid effectiveness-implementation design (Hybrid Type I), with three specific aims: (1) evaluate the effectiveness of ImpACT+ on viral suppression, ART adherence, and HIV care engagement; (2) assess the degree to which reductions in PTSD symptoms and avoidant coping mediate intervention effects; and (3) explore potential for scalability and full-scale implementation. The trial will enroll 350 women who have initiated ART and have a history of sexual trauma and elevated traumatic stress. Participants will be randomized to the ImpACT+ intervention condition (six weekly sessions, with six maintenance check-ins over the 12-month follow-up period) or the control condition (three weekly sessions of Problem Solving Therapy (PST)). All participants will complete a baseline assessment at enrollment (within four months of initiating ART), with additional behavioral assessments and viral load testing at 4-month, 8-month, and 12-month follow-up. ART adherence will also be assessed using dried blood spot (DBS) biomarkers, and care engagement data will be extracted from medical records at the end of the study period. This study is one of the first full-scale trials of a trauma-informed intervention on clinical outcomes for HIV-infected women. If effective, ImpACT+ will fill a critical void in evidence-based trauma interventions in this setting and combat the drop-off across the HIV continuum of care in South Africa, as well as inform such approaches in the U.S. and globally.

Study Type

Interventional

Enrollment (Actual)

350

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Cape Town, South Africa
        • University of Cape Town

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Women with HIV who receive care at either study clinic
  • >2 weeks to <4 months since ART initiation
  • History of sexual trauma
  • Meets criteria for traumatic stress
  • Xhosa speaking

Exclusion Criteria:

- High suicide risk

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Improving AIDS Care after Trauma+
ImpACT+ (Improving AIDS Care after Trauma+), is an individual-level coping intervention to address traumatic stress and HIV care engagement among South African women with sexual trauma histories. The ImpACT+ individual sessions will focus on coping skills and care engagement during an early critical period, while maintenance check-ins will serve to reinforce positive change and support the ongoing implementation of skills as new challenges arise.
ImpACT+ integrates skills for HIV treatment adherence and coping with trauma, tailored to the South African context. This includes exploration of values informing care engagement, recognizing the synergistic stress of sexual trauma and HIV, understanding the contribution of stressors to maladaptive coping, and developing adaptive methods for coping as alternatives to avoidance. ImpACT+ will be delivered in private spaces at the primary care clinic and will consist of 6 individual sessions followed by 6 maintenance check-ins. Individual sessions focus on coping, adherence, and care engagement during an early critical period, while maintenance check-ins reinforce positive change and support ongoing implementation of skills. Evidence supports a 6-session format in low-resource settings. Individual sessions will begin within 2 weeks after the baseline survey and be completed by the 4-month assessment. Maintenance check-ins will begin following the 4-month assessment.
Active Comparator: Adapted Problem-Solving Therapy
Participants randomly assigned to the control condition will receive a brief adapted version of problem-solving therapy (PST), based on Problem Management Plus, a component of the World Health Organization (WHO) Mental Health Gap Action Programme (mhGAP). PST is a psychoeducational treatment focused on managing the negative effects of stressful life events. PST has been found to be effective for a range of problems, such as depression, and is recommended for implementation in low-resource settings.
Participants will receive three weekly individual sessions of adapted PST. The goal of PST is to identify problems that interfere with daily activities and address them through problem-orientation work. We anticipate stressors will include (a) relationship difficulties, including family stress, (b) financial stress and unemployment, (c) general impact of HIV infection, and (d) overall chronic stress. Thus, PST may indirectly address stressors that may impact care engagement, but will not address the intersection of HIV and trauma specifically.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Viral suppression/viral load
Time Frame: Up to 12 months
HIV-1 RNA viral load (COBAS AmpliPrep/COBAS TaqMan HIV-1 Test, v2.0, Roche). Viral suppression defined as <50 copies/ml. Continuous measures of viral load, modeled using a log10 transformation.
Up to 12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
HIV Care Engagement- Number of Missed Visits
Time Frame: Up to 12 months
The number of missed visits as determined by medical record review.
Up to 12 months
HIV Care Engagement- Visit Adherence
Time Frame: Up to 12 months
Visit adherence defined as the number of scheduled visits attended.
Up to 12 months
HIV Care Engagement- Gaps in Care
Time Frame: Up to 12 months
Gaps in care defined as whether >90 days have elapse between visits, as determined by medical record abstraction.
Up to 12 months
HIV Care Engagement- Visit Constancy
Time Frame: Up to 12 months
Visit constancy defined as the number of 90-day intervals with >1 completed visit, determined by medical record abstraction.
Up to 12 months
ART Adherence - Dried Blood Spots
Time Frame: Up to 12 months
Dried blood spots measuring levels of tenofovir-diphosphate, dichotomized as adherent or non-adherent.
Up to 12 months
ART Adherence - Pharmacy Visits
Time Frame: Up to 12 months
ART adherence as defined by the number of pharmacy visits. Determined through medical record abstraction.
Up to 12 months
ART Adherence - Pharmacy Refill
Time Frame: Up to 12 months
ART adherence as defined by pharmacy refill data. Determined through medical record abstraction.
Up to 12 months

Other Outcome Measures

Outcome Measure
Measure Description
Time Frame
Coping Strategies Scale Score
Time Frame: Up to 12 months
Self report, measured by Coping Strategies scale (Sikkema et al., 2018; based on Carver, 1997; Folkman & Lazarus, 1988; Hansen et al., 2013; Namir et al., 1987). Coping will be assessed using 41 items that were previously used to measure coping in Sub-Saharan Africa or among HIV-infected individuals. Participants will be asked how often they used these strategies in the past month to help deal with their HIV illness (1 = not at all to 4 = most of the time).
Up to 12 months
Traumatic Stress Score
Time Frame: Up to 12 months
Self report, measured by PTSD Checklist-Civilian version for the The Diagnostic and Statistical Manual of Mental Disorders (DSM-5; Blevins CA, Weathers FW, Davis MT, Witte TK, and Domino JKL, 2015). PCL-5 [51], a 20-item self-report questionnaire, will assess severity of symptoms that parallel DSM-5 diagnostic criteria for PTSD. Participants will be asked to indicate the extent to which they were bothered by problems experienced in the past month in relation to a traumatic experience of abuse or act of violence (0 = not at all to 4 = extremely).
Up to 12 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Kathleen J Sikkema, PhD, Columbia University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

February 18, 2021

Primary Completion (Actual)

May 30, 2025

Study Completion (Estimated)

May 30, 2026

Study Registration Dates

First Submitted

March 9, 2021

First Submitted That Met QC Criteria

March 9, 2021

First Posted (Actual)

March 11, 2021

Study Record Updates

Last Update Posted (Estimated)

July 8, 2025

Last Update Submitted That Met QC Criteria

July 2, 2025

Last Verified

July 1, 2025

More Information

Terms related to this study

Other Study ID Numbers

  • AAAS3667
  • 1R01MH118004 (U.S. NIH Grant/Contract)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

The investigators will share an anonymized dataset following publications.

IPD Sharing Time Frame

Following outcome publications.

IPD Sharing Access Criteria

Access will be granted upon reasonable requests.

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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