Cannabis use disorder nearly tripled the odds of needing intensive psychiatric outreach in Lebanon

Among patients with psychosis in Lebanon, those with comorbid cannabis use disorder had 2.83 times the odds of being enrolled in an assertive outreach program, indicating more severe illness requiring intensive follow-up.

Kassir, Ghida et al.·PLOS global public health·2022·Moderate EvidenceRetrospective Cohort
RTHC-03946Retrospective CohortModerate Evidence2022RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Retrospective Cohort
Evidence
Moderate Evidence
Sample
N=45

What This Study Found

Cannabis use disorder was a significant predictor of enrollment in the Psychosis Recovery Outreach Program (OR 2.83, 95% CI 1.25-6.37). Other predictors included being prescribed long-acting injectable antipsychotics (OR 9.99), multiple oral antipsychotics (OR 4.57), multiple ER visits (OR 8.7), and psychiatric admission (OR 13.91).

Key Numbers

45 PROP patients. 77.8% male. 80% under 39 years. 22.7% had comorbid cannabis use disorder. 46.7% schizophrenia, 48.9% schizoaffective disorder. Cannabis use disorder OR 2.83 for program enrollment.

How They Did This

Retrospective analysis of 45 patients enrolled in the Psychosis Recovery Outreach Program at a psychiatric facility in Lebanon. Logistic regression identified predictors of enrollment compared to patients receiving standard treatment. Twelve-month data collected.

Why This Research Matters

Cannabis use disorder alongside psychosis signals a more severe clinical course requiring intensive treatment. This confirms in a non-Western setting what has been observed elsewhere.

The Bigger Picture

The finding that cannabis use disorder predicts need for intensive psychiatric outreach replicates Western findings in a Middle Eastern context, suggesting this relationship is not culturally specific.

What This Study Doesn't Tell Us

Small sample (45 patients). Single facility in Lebanon. Retrospective design. Enrollment in outreach program is a proxy for severity, not a direct outcome measure. Selection bias possible.

Questions This Raises

  • ?Does treating cannabis use disorder improve psychosis outcomes in this population?
  • ?Would similar results emerge in other non-Western psychiatric settings?

Trust & Context

Key Stat:
Cannabis use disorder: 2.83x odds of needing intensive outreach
Evidence Grade:
Small retrospective study from a single facility, but significant odds ratios and novel non-Western context.
Study Age:
Published in 2022.
Original Title:
Predictors of admission to an assertive outreach service for psychosis in Lebanon.
Published In:
PLOS global public health, 2(12), e0001428 (2022)
Database ID:
RTHC-03946

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-ControlFollows or compares groups over time
This study
Cross-Sectional / Observational
Case Report / Animal Study

Looks back at existing records to find patterns.

What do these levels mean? →

Frequently Asked Questions

Does cannabis use make psychosis worse?

In this Lebanese study, patients with psychosis and cannabis use disorder were nearly three times more likely to need intensive outreach treatment, suggesting more severe illness requiring closer follow-up.

Is the cannabis-psychosis link seen outside Western countries?

Yes. This study from Lebanon found cannabis use disorder was a significant predictor of more severe psychosis requiring intensive treatment, consistent with findings from Western countries.

Read More on RethinkTHC

Cite This Study

RTHC-03946·https://rethinkthc.com/research/RTHC-03946

APA

Kassir, Ghida; El Hayek, Samer; Charara, Raghid; Cherro, Michele; Itani, Hala; El Khoury, Joseph. (2022). Predictors of admission to an assertive outreach service for psychosis in Lebanon.. PLOS global public health, 2(12), e0001428. https://doi.org/10.1371/journal.pgph.0001428

MLA

Kassir, Ghida, et al. "Predictors of admission to an assertive outreach service for psychosis in Lebanon.." PLOS global public health, 2022. https://doi.org/10.1371/journal.pgph.0001428

RethinkTHC

RethinkTHC Research Database. "Predictors of admission to an assertive outreach service for..." RTHC-03946. Retrieved from https://rethinkthc.com/research/kassir-2022-predictors-of-admission-to

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.