Motivational Interviewing to Increase Uptake of Drug Checking and Safe Drug Use Behaviors to Reduce Overdose

12/01/2025
Participation Deadline: 05/01/2029
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Description

588 PWUD who have not yet used CheckSD will be recruited into a two-arm randomized controlled trial (RCT) (N=294 per group). Recruitment sources will be the community and La Frontera study. Both arms will have access to CheckSD’s standard of care (SOC) already available at SSP sites (i.e., FTIR, and overdose education and naloxone distribution (OEND)). PWUD randomized to receive MI-CHANCE will receive it from HRCSD’s peer counselors who will be trained in motivational interviewing (MI) to encourage CheckSD uptake and safer drug use behaviors. Those in the attention-control SOC arm will receive Flu and Hepatitis A education. All will undergo semi-annual follow-up for 30 months.

Primary Objective: To test the efficacy of MI-CHANCE on reducing rates of combined fatal and non-fatal OD over 30 months and examine social cognitive theory (SCT)-informed mediators and moderators of intervention effects (i.e., knowledge, outcome expectancies, self-efficacy)