Effectiveness of A Targeted School-based Preventive Intervention for Vietnamese High School Student: A Quasi-Experimental Study

Status

Active, not recruiting

Phases

Phase 2Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20251128008

Enrollment

Registered

2025-11-28

Start date

2025-05-01

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Adolescents at risk of depression and elevated depressive symptoms adolescent, depressive symptoms, intervention

Interventions

The school-based preventive intervention for high school students consists of 12 weekly sessions divided into five modules. Each session lasted from 60 to 90 minutes. This intervention was designed fo

s teaching method, and the suitability of the online delivery method. The school-based preventive intervention focuses on providing knowledge about depression, enhancing coping skills of students with

Experimental Behavioral,No Intervention No treatment

Targeted School-based Preventive Intervention,Control group

Eligibility

Sex/Gender

All

Age

15 Years to 18 Years

Inclusion criteria

Inclusion criteria: 1. Students had a CESDR-V score from sixteen to twenty-five; 2. Students and parents/caregivers agreed to join the intervention and signed the consent form.

Exclusion criteria

Exclusion criteria: 1. Students were having treatment for depression and/or had treatment-resistant depression; 2. Students had suicidal ideation or self-harm, assessed by four selected multiple-choice questions from the Global School-based Student Health Survey (GSHS) core-expanded Questions 2021 version (130); 3. Students had acute conditions during the intervention (e.g., acute appendicitis, acute pancreatitis, accidents, surgeries); 4. Students were joining any psychological therapies; 5. Students who had joined a CBT, IPT, or both before were ineffective; 6. Students who were absent from one session; 7. Students who did not complete the every two-week assessment and the post-test; 8. Students and/or parents/caregivers wanted to withdraw from the preventive intervention.

Design outcomes

Primary

Measure	Time frame
depressive symptoms two weeks before the intervention, every two weeks during the intervention, and two weeks after the intervention the Center for Epidemiologic Studies Depression Scale Revised Vietnamese Version (CESDR-V)	—

Secondary

Measure	Time frame
N/A N/A N/A	—

Countries

Vietnam

Contacts

Public ContactThunwadee Suksaroj

Mahidol University

thunwadee.suk@mahidol.ac.th244190403

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026