New strategies aim to curb meth use and boost HIV control in methadone patients
NCT ID NCT04706624
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested different combinations of counseling, rewards, and text reminders to help people on methadone therapy reduce methamphetamine use and improve HIV outcomes. 667 participants from methadone clinics in Vietnam took part. The goal was to find the best approach to support long-term health and reduce risky behaviors.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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667 people
The number who actually took part.
- Started
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Jun 2021
- Finished
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Mar 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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16 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * ASSIST scores from 10+ for methamphetamine use OR Confirmed methamphetamine use with urine analysis; * Willing to provide at least three pieces of contact information; * Having a cell phone to receive texts. Exclusion Criteria: * Psychosis or other interfering problems; * Cannot understand study procedures as judged by research assistants.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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District 4 Methadone clinic
Ho Chi Minh City, Ho Chi Minh City, 728000, Vietnam
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Hai Ba Trung methadone clinic
Hanoi, Hanoi, 100000, Vietnam
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Long Bien methadone clinic
Hanoi, Hanoi, 100000, Vietnam
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Nam Tu Liem Methadone clinic
Hanoi, Hanoi, 100000, Vietnam
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Other studies related to the condition(s) this trial covers.
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