A Michigan program donated cannabis to people using more dangerous drugs as a harm reduction strategy

A rural Michigan harm reduction program provided cannabis donations to 10 clients using more harmful substances, documenting the first US case study of cannabis donation as an alternative to higher-risk drug use.

Duhart Clarke, Sarah E et al.·Harm reduction journal·2024·Preliminary EvidenceObservational
RTHC-05284ObservationalPreliminary Evidence2024RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Observational
Evidence
Preliminary Evidence
Sample
Not reported

What This Study Found

Ten cannabis-experienced harm reduction clients received weekly cannabis donations, with clinical staff determining appropriateness. Administrative data from a partnering cannabis company showed donations were primarily edibles, oils, and topicals (not flower), represented only 1% of gross sales, and cost less than anticipated. The program was operationally feasible within Michigan's legal framework.

Key Numbers

10 clients received cannabis donations over 20 months. Donations represented 1% of the cannabis company's total gross sales. Flower dominated sales but edibles, oils, and topicals dominated donations. Costs were lower than the expected yearly donation amount.

How They Did This

Community-driven research approach with qualitative data from harm reduction staff and 20 months of administrative data (September 2021-May 2023) from a commercial cannabis company providing donations.

Why This Research Matters

Cannabis substitution for more dangerous substances has been documented in Canada but not the US. This case study establishes that such programs can operate within US state legal frameworks and at minimal cost to commercial partners.

The Bigger Picture

If cannabis can serve as a less harmful substitute for opioids or stimulants for some people, donation programs through harm reduction agencies could complement existing overdose prevention strategies, though individual-level outcomes remain unstudied.

What This Study Doesn't Tell Us

Very small sample of 10 clients. No individual-level outcome data on whether cannabis substitution reduced other drug use. Single program in one state. Case study design limits generalizability. No comparison group.

Questions This Raises

  • ?Does providing cannabis actually reduce use of more dangerous drugs in these clients?
  • ?Could this model scale to other states with different cannabis laws?

Trust & Context

Key Stat:
First US cannabis donation harm reduction program documented
Evidence Grade:
Single-site case study with 10 participants. Establishes feasibility but not effectiveness.
Study Age:
2024 study
Original Title:
Cannabis donation as a harm reduction strategy: a case study.
Published In:
Harm reduction journal, 21(1), 58 (2024)
Database ID:
RTHC-05284

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study

Watches what happens naturally without intervening.

What do these levels mean? →

Frequently Asked Questions

Does cannabis substitution actually reduce overdose risk?

Canadian research suggests potential benefits, but this US study only documented that the program was feasible, not whether it changed drug use patterns or health outcomes for the 10 participants.

Why did donations focus on edibles and topicals instead of flower?

The study did not explain this directly. It may reflect harm reduction principles favoring non-smoked products or the types of products the cannabis company had available for donation.

Read More on RethinkTHC

Cite This Study

RTHC-05284·https://rethinkthc.com/research/RTHC-05284

APA

Duhart Clarke, Sarah E; Victor, Grant; Lynch, Pamela; Suen, Leslie W; Ray, Bradley. (2024). Cannabis donation as a harm reduction strategy: a case study.. Harm reduction journal, 21(1), 58. https://doi.org/10.1186/s12954-024-00974-3

MLA

Duhart Clarke, Sarah E, et al. "Cannabis donation as a harm reduction strategy: a case study.." Harm reduction journal, 2024. https://doi.org/10.1186/s12954-024-00974-3

RethinkTHC

RethinkTHC Research Database. "Cannabis donation as a harm reduction strategy: a case study..." RTHC-05284. Retrieved from https://rethinkthc.com/research/duhart-2024-cannabis-donation-as-a

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.