Evaluation of an online help program for the treatment of depression and drug abuse in Mexico

Comparison of three methods of delivering cognitive behavioral brief interventions for substance abuse and depression in Mexico: a pilot controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN25429892

Enrollment

120

Registered

2014-05-12

Start date

2013-05-15

Completion date

Unknown

Last updated

2016-11-07

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

Conditions

Use of psychoactive substances (except alcohol, tobacco and opiates) and depressive symptomatology Mental and Behavioural Disorders Substance abuse

Interventions

Participants will be randomly assigned to one of following three groups: 1. OHPDAD. The Online Help Program for Drug Abuse and Depression (OHPDAD) is an alternative internet treatment program for tho

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Man or woman 17 years of age or older 2. Consumer of psychoactive substances: marijuana, inhalants, cocaine, sedatives and other drugs (except alcohol, tobacco and opiates) 3. Can read and write 4. Risk score on the ASSIST substance abuse detection test ranging from low (0-3) to moderate (4-27) 5. Regular internet user 6. Has not had substance abuse treatment in the previous 12 months 7. Seeking treatment in the participating treatment centers

Exclusion criteria

Exclusion criteria: 1. Younger than 17 years of age 2. User principally of alcohol, tobacco or opiates 3. Present a risk of high level of drug abuse 4. Present suicide attempt or suicidal ideation in the previous 3 months 5. Lack basic ability to use the internet

Design outcomes

Primary

Measure	Time frame
1. Number of days of substance use, assessed with the Timeline follow back at baseline, 8 weeks later, and follow-up 2. Severity of substance use measured with the Drug Abuse Screening Test-20 (DAST-20) (0 = N/A, 1-5 = low, 6-10 = intermediate, 11-15 = substantial, 16-20 = severe) at baseline, 8 weeks later, and follow-up 3. Depressive symptoms with the Patient Health Questionnaire (PHQ-9) (0-9 = mild, 10-14 = moderate, 15-19 = severe, 20-27 = major depression) at baseline, 8 weeks later, and follow-up	—

Measure

Time frame

1. Number of days of substance use, assessed with the Timeline follow back at baseline, 8 weeks later, and follow-up 2. Severity of substance use measured with the Drug Abuse Screening Test-20 (DAST-20) (0 = N/A, 1-5 = low, 6-10 = intermediate, 11-15 = substantial, 16-20 = severe) at baseline, 8 weeks later, and follow-up 3. Depressive symptoms with the Patient Health Questionnaire (PHQ-9) (0-9 = mild, 10-14 = moderate, 15-19 = severe, 20-27 = major depression) at baseline, 8 weeks later, and follow-up

—

Secondary

Measure	Time frame
1. Readiness to change measured with the Readiness to Change Questionnaire (RCQ), at baseline, 8 weeks after starting treatment, and at follow-up 2. Consequences of substance use and thoughts associated with substance use through self-report check list at baseline, 8 weeks later, and follow-up	—

Countries

Mexico

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 6, 2026