Highlights
- The ARTEMIS trial demonstrated that a multimedia antistigma campaign effectively improves mental health-related knowledge, attitudes, and anticipated behavior among adolescents in Indian urban slums.
- Primary care health worker-led digital interventions showed promising impact on depressive symptom reduction though remission differences did not reach statistical significance.
- Cluster randomized controlled designs with high implementation fidelity are feasible in resource-limited, community-based adolescent populations.
- Integrated strategies combining stigma reduction and digital mental health care can be a scalable model for adolescent mental health management in low- and middle-income countries (LMICs).
Background
The burden of adolescent mental health disorders, particularly depression and self-harm risk, remains substantial worldwide, especially in LMICs where health infrastructure and stigma limit care access. India alone hosts over 12 million adolescents residing in slums, facing compounded psychosocial stressors and marked barriers to mental health care. Stigma associated with mental illness exacerbates under-identification and undertreatment, underscoring the urgent need for culturally tailored, community-based interventions that can both reduce stigma and improve care linkage.
Key Content
1. ARTEMIS Trial: Design and Primary Outcomes
The ARTEMIS randomized clinical trial, conducted across 60 slums in New Delhi and Vijayawada between December 2022 and December 2023, enrolled 3,739 adolescents aged 10–19 years, nearly half classified at high risk for depression or self-harm (PHQ-9 score ≥10 or other emotional/self-harm risk markers). Slums were randomized 1:1 to receive an antistigma multimedia campaign targeted at adolescents alongside a primary care health worker-led digital intervention versus usual care. Trained field facilitators performed door-to-door screening, enhancing inclusivity and reaching non-healthcare-seeking youth.
The coprimary outcomes measured at 12 months comprised:
- Change in Behavior scores toward mental illness using the Knowledge, Attitude and Behavior scale.
- Remission proportion defined as PHQ-9 score <5 among high-risk adolescents.
The intervention cohort showed a statistically significant improvement in mean behavior scores (17.22 vs. 16.44, mean difference 0.78, P < .001) indicating reduced stigma and improved anticipated behavior towards peers with mental illness. Though remission was higher (68.2% vs 59.4%) in the intervention arm, this difference was not statistically significant (P = .10). Mean PHQ-9 scores were significantly lower at 12 months in the intervention group (4.05 vs 4.92, P = .03), suggesting clinical benefit in depressive symptom severity reduction.
Implementation fidelity was notably high: 90% of intervention group adolescents received all antistigma elements, and 87% of high-risk youth engaged with primary care physicians.
2. Complementary Evidence in Adolescent Mental Health Interventions
A breadth of RCTs and meta-analytic evidence support the integration of stigma reduction with digital or primary care interventions in diverse adolescent populations:
- School-Based and Community Efforts: The MAPSS model (Australia) showed universal and selective approaches improved suicide literacy and intervention skills, though indicated iCBT showed no added benefit possibly due to implementation challenges.[1]
- Digital and Telehealth Interventions: Digital cognitive behavioral therapies, enhanced with peer support in populations such as sickle cell disease, hold promise to address barriers like stigma and healthcare navigation.[2] Similarly, brief digital interventions reduced non-suicidal self-injury relapse risk in Chinese adolescents.[3]
- Tailored Psychoeducation: Web-based programs improved depression knowledge and self-management skills, with youth-appropriate content increasing engagement and efficacy.[4]
- Stigma Reduction Strategies: Video-based and online interventions that matched viewer demographics enhanced stigma reduction in U.S. adolescent samples, emphasizing the role of identity-congruent messaging.[5] School-wide mental health programs decreased stigma awareness and harmful behavior like nonsuicidal self-injury in Scandinavian contexts.[6]
- Integrated Models in Comorbid or Chronic Conditions: Modular cognitive-behavioral treatments improved mental health outcomes in youth with epilepsy, highlighting the need for personalized approaches integrating mental and physical health care.[7]
3. Methodological Insights and Implementation Considerations
The ARTEMIS trial exemplifies rigorous community-based cluster RCT methodology in resource-constrained settings, utilizing external blinded outcome assessors and stratified randomization to minimize bias. High implementation fidelity achieved through dedicated field facilitators and primary care engagement underpin the trial’s validity and translational potential.
Challenges remain with demonstrating statistically significant remission attributable to intervention given environmental variance, social determinants, and complex mental health trajectories. The nonsignificant remission outcome alongside improved symptom scores suggests potential effect sizes that warrant powered future trials.
Furthermore, comprehensive stigma reduction strategies, including multimedia campaigns, community engagement, and demographic tailoring (race, gender), may amplify outcomes through improved treatment-seeking and social support mechanisms.
Expert Commentary
The ARTEMIS trial addresses critical gaps in adolescent mental health care research in LMICs by combining an empirically supported antistigma campaign with a scalable, primary-care based digital mental health intervention. The demonstration of improved knowledge and attitude scores and modest symptom improvements reflect the complexities of stigma and depression interplay and the multifactorial nature of adolescent mental health challenges.
Mechanistically, reduced stigma may alleviate internalized barriers, fostering openness to care and peer support, catalyzing symptom amelioration. The digital intervention’s role in facilitating detection and timely treatment by primary care workers indicates a viable pathway to bridge mental health service shortfalls in slum environments.
Despite strengths, the study’s lack of significant difference in remission highlights the need for enhanced intervention intensity or duration, integration with family and school environments, and addressing structural determinants such as poverty and violence.
Adoption of identity-focused messaging, as supported by U.S.-based RCTs, could further tailor stigma reduction. Integrating these findings, future guidelines in LMIC adolescent mental health should emphasize multifaceted, culturally sensitive interventions combining stigma reduction, digital tools, and capacity building for frontline providers.
Conclusion
The ARTEMIS randomized clinical trial provides pivotal evidence supporting the feasibility, implementation, and partial efficacy of a combined multimedia antistigma and primary care digital intervention model for adolescent mental health in Indian slums. While stigma-related knowledge and attitudes improved significantly, clinical remission gains remain to be consolidated. This trial paves the way for scaling and optimizing integrated adolescent mental health interventions in LMICs, addressing both individual and systemic barriers.
Future research directions include:
- Larger trials powered for clinical endpoints such as remission and functional outcomes.
- Longitudinal evaluations to assess sustainability of stigma reduction and mental health improvements.
- Exploration of intervention adaptations incorporating identity-congruent content and family/school involvement.
- Economic evaluations to inform health policy and resource allocation.
References
- Maulik PK, Yatirajula SK, et al. Adolescent Mental Health Care and Stigma: The ARTEMIS Randomized Clinical Trial. JAMA Psychiatry. 2026;83(7):694-703. PMID: 42054038.
- Reid C, et al. Digital cognitive behavioral therapy with peer support for adolescents with sickle cell disease: Protocol for the PRESENCE randomized controlled trial. Trials. 2026;27:466. PMID: 42121176.
- Yang S, et al. Digital intervention to prevent relapse in adolescent non-suicidal self-injury: Randomized controlled trial. J Child Psychol Psychiatry. 2026;67(3):380-389. PMID: 40999958.
- Klein AM, et al. Tailored web-based psychoeducation for adolescents with major depression: An RCT. Patient Educ Couns. 2026;143:109429. PMID: 41337834.
- Griffin KM, et al. Gender and racial/ethnic matching in video-based anti-stigma interventions for adolescents. Eur Child Adolesc Psychiatry. 2026;35(4):1267-1276. PMID: 41335156.
- Andersson G, et al. Whole-School Prevention programs reduce non-suicidal self-injury and stigma awareness. J Youth Adolesc. 2026;55(4):795-813. PMID: 40932580.
- Smith R, et al. Improving mental health treatment for youth with epilepsy: The MICE program RCT. NIHR Programme Grants for Applied Research. 2026;14(9). PMID: 42406884.
