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Recruiting

Mobile Health Strategies to Support Longitudinal Engagement in Comprehensive, Community-based Prevention Services for People Who Use Drugs (Aim 3)

Who can join

Ages 18 and older · All sexes

Full eligibility criteria
Inclusion Criteria (Pilot Participant):

* Be at least 18 years old
* Be able to read and write in English
* Report drug use in the past 30 days, defined as

  * Any use of illicit stimulants, opioids, OR
  * Use of prescription opioids by a route other than "by mouth/swallowed"
* Additionally report recent drug use of at least twice in the past 7 days
* Have NOT used any of the following harm reduction services in the past 6 months:

  * In-person community-based prevention services for people who use drugs
  * Overdose crisis hotlines
  * Online mail-order prevention supply delivery
  * Apps for supporting addiction treatment or recovery

Inclusion Criteria (Peer Mentor Participant):

* Be at least 18 years old
* Be able to read and write in English
* Have served as a member of the existing Community Leadership Team.

Exclusion Criteria:

* Are under the age of 18
* Have impaired decision making capacity at the time of screening
* Do not have the ability to participate in screening and enrollment activities in any one of the following ways:

  * Traveling to their nearest participating Vivent Health health center
  * Coordinating a visit with the Vivent Health harm reduction mobile unit
  * Accessing and completing the online screening survey on a personal wifi/internet enabled device

About the study

This study will examine the feasibility, appropriateness, and acceptability of a bundle of smartphone-based tools for lowering overdose risk. 40 participants will be enrolled and can expect to be on study for up to 9 months.

What is being tested

Sponsor: University of Wisconsin, Madison · Participants: 40 · Started: Jul 1, 2026

Contact the study team

Official record on ClinicalTrials.gov — NCT07649278

Locations in the U.S.

WisconsinUW School of Medicine and Public Health, Madison

Conditions

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.