Mentor Moms+ Study

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-09-15

Study Completion Date

2027-08-31

Brief Summary

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The goal of this study is to adapt an existing evidence based intervention for use in pregnant and lactating people (PLP) who use alcohol. Through the pilot RCT, we aim to understand if tailored intervention, Mentor Mothers+, is effective in reducing alcohol use (primary outcome) and improving antiretroviral (PrEP or ART) adherence (secondary outcomes) among pregnant and breastfeeding women living with and without HIV in a community heavily burdened by this syndemic.

The investigators will conduct an pilot randomized control trial in 100 pregnant women, recruited during antenatal care (ANC) visits within the Saldanha Bay Municipality clinic in Cape Town, South Africa. The RCT will involve the delivery of brief, individual motivational interviewing sessions provided by trained mentor mothers from the community who are on either PrEP (living without HIV) or ART (living with HIV) and who stopped or reduced alcohol use during pregnancy. The enrolled participants will be followed for a 6-month period spanning both pregnancy and postpartum stages.

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Detailed Description

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The syndemic of alcohol use and HIV risk in pregnant and lactating people (PLP) threatens the health of mother, fetus, children and families in South Africa. PLP living with HIV who use alcohol may access antiretroviral therapy (ART) late or disengage with ART care, increasing the risk of vertical HIV transmission. PLP not living with HIV who use alcohol are at increased risk of HIV and may require targeted interventions to receive pre-exposure prophylaxis (PrEP) delivery and adherence counselling. Alcohol use also increases risk of HIV acquisition and poor ART adherence. The "mentor mother" (MM) intervention model is an evidence-based intervention (EBI) with demonstrated success in improving HIV and antenatal care outcomes. The model utilizes a task-shifting approach; positive deviant peers (mothers) deliver interventions to PLP within and outside of the antenatal clinic.

Our study aims to evaluate the feasibility and acceptability of MM+ on reduction of alcohol use (primary outcome) and PrEP use (in PLP without HIV) and ART adherence (in PLP living with HIV) (secondary outcomes) in a pilot randomized control trial (RCT) in n=100 pregnant women who currently use alcohol. Primary outcome: Reduced alcohol use following the intervention (at 6m via phosphatidylethanol \[PEth\] levels). Secondary outcomes: PrEP and ART continued use at 6 months via urine tenofovir levels at 6 months.

Conditions

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HIV Alcohol Consumption

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

For the pilot RCT, we will randomize enrolled, consented participants into one of two study arms, MM+ intervention or enhanced HIV attention control, in a 1:1 ratio.

Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

SINGLE

Participants

Study Groups

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MM+ Intervention

MM+ will involve mentor mother delivery of brief MI sessions individually over a series of clinic- based visits over a 6m period during pregnancy and postpartum. Intervention content, duration, and full menu of HIV prevention services offered will be finalized prior to launch. We anticipate no fewer than five to six 15-20 minute MI sessions focused on the benefits of reducing alcohol use during pregnancy, managing HIV risk among women without HIV and importance of ART use and viral suppression for reducing the risk of vertical transmission. Participants in MM+ arm will receive enhanced HIV prevention counseling integrated into routine antenatal care visits, including PrEP and ART biofeedback adherence counseling, provided by a trained study nurse. Participants in the intervention arm will also receive EtG testing (alcohol use) and corresponding biofeedback counseling.

Group Type EXPERIMENTAL

MM+

Intervention Type BEHAVIORAL

Participants in both study arms will receive clinic-based HIV counseling, including urine tenofovir testing and biofeedback counseling on recent PrEP or ART use. Activities unique to women enrolled in the intervention arm include: Brief motivational interviewing sessions with a mentor mother focusing on 1) EtG testing and biofeedback on recent alcohol use, 2) counseling and mentorship on ways to reduce alcohol use.

Enhanced HIV attention control (eSOC)

Similar to placebo pills, attention control is often used in randomized trials for behavioral interventions to control for the nonspecific effects of the intervention. Given that existing MM models focus on prevention of vertical transmission and HIV treatment and our primary interest is understanding how inclusion of alcohol reduces alcohol use improves adoption of ART/PrEP use, we will use an enhanced HIV attention control with the same time frame for the intervention (e.g. 2-3 sessions during antenatal/and 2-3 sessions during postpartum periods). Sessions will consist of educational counseling on HIV risk, partner testing modalities as well as PrEP/ART urine assay testing followed by real-time in-clinic adherence counseling delivered privately by lay counselors (different from MM+ arm to avoid contamination), all coinciding with routine ANC visits when possible.

Group Type ACTIVE_COMPARATOR

Enhanced HIV attention control (eSOC)

Intervention Type BEHAVIORAL

Participants in the enhanced HIV attention control arm (comparison group) will attend a similar number of study visits within the same time frame as intervention participants (5-6 sessions during 6-month timeframe including both pregnancy and postpartum). Control arm sessions will consist of one-on-one educational counseling on HIV risk, partner HIV testing modalities, as well as conducting PrEP/ART urine assay testing followed by real-time in-clinic adherence counseling delivered privately (different from study nurses delivering PrEP/ART biofeedback in MM+ intervention arm to avoid contamination), all coinciding with routine ANC visits.

Interventions

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MM+

Participants in both study arms will receive clinic-based HIV counseling, including urine tenofovir testing and biofeedback counseling on recent PrEP or ART use. Activities unique to women enrolled in the intervention arm include: Brief motivational interviewing sessions with a mentor mother focusing on 1) EtG testing and biofeedback on recent alcohol use, 2) counseling and mentorship on ways to reduce alcohol use.

Intervention Type BEHAVIORAL

Enhanced HIV attention control (eSOC)

Participants in the enhanced HIV attention control arm (comparison group) will attend a similar number of study visits within the same time frame as intervention participants (5-6 sessions during 6-month timeframe including both pregnancy and postpartum). Control arm sessions will consist of one-on-one educational counseling on HIV risk, partner HIV testing modalities, as well as conducting PrEP/ART urine assay testing followed by real-time in-clinic adherence counseling delivered privately (different from study nurses delivering PrEP/ART biofeedback in MM+ intervention arm to avoid contamination), all coinciding with routine ANC visits.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* • ≥ 16 years;

* Pregnancy confirmed;
* reported alcohol use during pregnancy (in last 2 months);
* lives within 20 kilometers of the study facility;
* able and willing to consent to study participation.