About this trial
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.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
• ≥ 16 years;
Pregnancy confirmed;
reported alcohol use during pregnancy (in last 2 months);
lives within 20 kilometers of the study facility;
Disqualifiers
Individuals not meeting the above criteria will be excluded.
Trial design
Parallel
Treatments tested in this trial
MM+
BehavioralParticipants 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)
BehavioralParticipants 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.
Treatment groups
Trial outcomes
Primary outcomes
Reduction in alcohol use (objective)
Reduced alcohol use following the intervention delivery, measured via:dried blood spot (DBS) testing of phosphatidylethanol (PEth) levels Alcohol consumption via PEth will be defined as \<20 ng/mL representing light or no consumption, \>20-\<200 ng/mL indicating consumption and ≥200ng/mL indicating significant or heavy recent alcohol use in past 21 days.
Reduction in alcohol use (self-report)
Reduced alcohol use following the intervention delivery,measured via: self-report (AUDIT-C score). Self-reported alcohol use (via participant survey) will be categorically defined via AUDIT-C score of 0 indicating abstinence versus score \>0 indicating recent alcohol use.
Secondary outcomes
PrEP Initiation
Initiation to PrEP evaluated via patient medical records
PrEP Adherence
Adherence to PrEP evaluated via urine tenofovir testing results
ART Adherence
Adherence to ART measured via urine tenofovir (TFV) testing results. Urine TFV results will reflect recent ART adherence (past 48-72 hours).
ART Adherence
Adherence to ART measured via participant self-report
Sponsors and contacts
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University of California, Los Angeles
Lead sponsor
University of Cape Town
Collaborator
San Diego State University
Collaborator
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
Collaborator