Safety Planning and Cognitive Behavioral Therapy for Adolescent Suicide Prevention in Mozambique

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

2100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-09-01

Study Completion Date

2028-12-01

Brief Summary

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This implementation research project aims to test the effectiveness and implementation outcomes of suicide safety planning along and a transdiagnostic cognitive behavioral intervention for suicide prevention on decreasing suicidal behaviors in secondary school students in Mozambique. This study will also result in hypothesized mechanisms of intervention effects, costs and cost-effectiveness.

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Detailed Description

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More than 75% of suicide deaths occur in low-and middle-income countries (LMICs) and almost 90% of adolescents who die by suicide live in LMICs. Globally, suicide is the fourth leading cause of death for youth and young adults aged 15-29. The African WHO region has the highest age-standardized suicide rates in the world, with countries like Mozambique having suicide rates almost three times the global average. Six of the top 10 countries by suicide rates in the world are in the African region. Despite this, there are few to no evidence-based adolescent suicide prevention packages developed for, and tested in, the African context. This is an urgent need to safeguard the well-being of youth and young adults.

Data from the investigative team suggest that 15-25% of high school students in Mozambique are experiencing current suicidal ideation (SI), \~40% of those with ideation have past month suicidal behavior (SB), and 9% have had a lifetime suicide attempt. Approximately 50% of youth expressing SI or SB also express clinically significant symptoms of depression, anxiety, and/or PTSD. To address this problem, the proposed work builds upon innovations in the field and a decades-long partnership between the University of Washington and government partners in Mozambique. First, while the Suicide Safety Planning Intervention (SPI) has evidence in high-income contexts, investigators have conducted what the investigators believe to be the first pilot of SPI among adolescents 12-19 in the African region and found it feasible for delivery by non-specialists and acceptable by adolescents. Second, the investigative team adapted and demonstrated the feasibility, acceptability, and initial effectiveness of the Common Elements Treatment Approach (CETA-MZ), a transdiagnostic CBT-based therapy delivered by non-specialists in Mozambique. For young adults aged 18-24, CETA-MZ was shown to decrease depressive symptoms by 80% and reduce suicidal ideation from 20% to \<3% by visit five. The results of this work have led to the national scale-up of CETA-MZ in HIV/AIDS settings in Mozambique. The investigators believe that these two evidence-based practices, both with demonstrated feasibility in Mozambique, have the potential to be powerful interventions to prevent adolescent suicidal behavior. Yet, a recent meta-analysis found lower comorbidity of psychiatric disorders and suicidal behavior in LMICs (\~50%) compared to high-income countries (\~90%). Therefore, it is possible that applying CETA-MZ to address psychiatric symptoms may not lead to significant decreases in suicidal behavior above and beyond SPI alone. For these reasons, the investigators propose to test both SPI alone and the integration of SPI into CETA-MZ - adapted for adolescent suicide prevention - to create a transdiagnostic CBT intervention for suicide (TCBT-S) delivered by non-specialists in Mozambican secondary schools. Due to limited resources for mental health in the African region the investigators aim to test whether the potential gains in effectiveness with the more resource intensive TCBT-S justify its scale-up versus the brief SPI intervention. This study will also generate evidence on costs, implementation determinants, and potential mechanisms of intervention effects to optimize intervention components and implementation strategies for future scale-up, if effective. The specific aims are to:

Specific Aim 1: Test the effectiveness of SPI and TCBT-S for decreasing suicidal behaviors, compared to Enhanced Usual Care (EUC). Using a three-arm parallel cluster RCT the investigators will randomize 7 secondary schools each to EUC, SPI, and TCBT-S (21 schools total) to evaluate effects on suicidal behaviors (primary) and suicidal ideation/depressive symptoms (secondary). EUC will involve screening and active referral to government youth friendly mental health service programs. Exploratory analyses will examine mechanisms of intervention effects.

Specific Aim 2: Assess implementation outcomes and determinants (barriers/facilitators) to EUC, SPI, and TCBT-S implementation using the RE-AIM evaluation framework. RE-AIM domains will be populated separately and compared across arms. The investigators will conduct a sequential quantitative to qualitative explanatory analysis - organized around the Consolidated Framework for Implementation Research - among individuals and clusters with highest/lowest effectiveness/implementation outcomes to explore determinants of implementation.

Specific Aim 3: Estimate the cost and cost-effectiveness of SPI and TCBT-S, compared to EUC. The investigators will conduct micro-costing and time-and-motion observation separately for each study arm to estimate incremental costs of implementing each intervention. The investigators will construct a Markov model parameterized with cost and trial outcomes data to project budget impact and cost-effectiveness for scale-up to provincial and national levels.

This proposal is innovative in being one of the first to rigorously test suicide prevention interventions among African adolescents. In response to the NOSI for Youth Suicide in LMICs (NOT-MH-21-090), this project proposes to test "prevention strategies to reduce suicide risk and promote resilience among young people aged 10-24 years in LMICs". Specifically, this study "integrates suicide prevention strategies within existing community-level platforms such as school/university-based programs" and includes analyses to "determine how to improve fidelity of implementation and economic evaluation of suicide prevention programs for young people". If effective, SPI or TCBT-S have a large potential to be rapidly scaled up to safeguard youth mental health in Mozambique and other similar LMICs.

Conditions

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Suicide Prevention

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Using a three-arm parallel cluster RCT the investigators will randomize 7 secondary schools each to enhanced usual care, Safety Planning Intervention, and Transdiagnostic Cognitive Behavioral Therapy for Suicide prevention (21 schools total) to evaluate effects on suicidal behaviors (primary) and suicidal ideation/depressive symptoms (secondary). EUC will involve screening and active referral to government youth friendly mental health service programs.

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Enhanced Usual Care

In school randomized to EUC, youth who are determined to be high risk of suicide using the C-SSRS will be transported to the local government emergency psychiatric services that Dr. Cumbe (Co-I) directs in his role as Provincial Director of Mental Health services in Sofala Province. For students with moderate risk, they will receive information and referral to local government mental health and youth friendly services. At follow-up outcome ascertainment time points, those in the EUC arm will be re-assessed for suicide risk and uptake of referral services.

Group Type OTHER