Review explores potential of medicinal cannabis for sickle cell disease complications

A narrative review highlights the endocannabinoid system as a promising therapeutic target in sickle cell disease, particularly for chronic pain management and reducing opioid dependence.

de Oliveira Souza, Lucas Bibiano et al.·Expert review of hematology·2025·Preliminary EvidenceNarrative Review
RTHC-06319Narrative ReviewPreliminary Evidence2025RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Narrative Review
Evidence
Preliminary Evidence
Sample
Not reported

What This Study Found

The review compiles evidence that the endocannabinoid system is involved in pain modulation, inflammation, and vascular function, all of which are disrupted in sickle cell disease. Preliminary clinical trial results suggest potential benefits, though the evidence base remains limited.

Key Numbers

The review covers the endocannabinoid system's role across multiple organ systems relevant to SCD: pain pathways, inflammation, vascular function, and chronic complications including leg ulcers.

How They Did This

Researchers conducted a comprehensive literature search of PubMed covering studies through 2024, focusing on the endocannabinoid system's role in various organ functions and its potential relevance to sickle cell disease complications.

Why This Research Matters

Sickle cell disease causes severe chronic pain that often requires long-term opioid therapy, creating addiction risks and reduced quality of life. If cannabis-based treatments can reduce pain and opioid dependence in this population, it could significantly improve outcomes for the estimated 100,000 Americans with the disease.

The Bigger Picture

Sickle cell disease disproportionately affects Black communities, who face additional barriers to both pain management and cannabis access. The intersection of racial health disparities, opioid crisis concerns, and evolving cannabis legislation makes this a particularly complex area of medicine.

What This Study Doesn't Tell Us

This is a narrative review without systematic methodology. Clinical trial data in sickle cell disease specifically is extremely limited. The review is largely speculative, drawing on endocannabinoid system research in other conditions to make the case for SCD applications.

Questions This Raises

  • ?What specific cannabinoid formulations and doses would be appropriate for SCD patients?
  • ?Could cannabis reduce opioid requirements in SCD without introducing new risks?
  • ?How would cannabis interact with other SCD medications like hydroxyurea?

Trust & Context

Key Stat:
Endocannabinoid system modulation proposed for pain, inflammation, and vascular complications of SCD
Evidence Grade:
Narrative review compiling indirect evidence from endocannabinoid system research with very limited SCD-specific clinical data.
Study Age:
Published in 2025, covering literature through 2024.
Original Title:
Modulation of the endocannabinoid system in chronic conditions: a potential therapeutic intervention yet to be explored in sickle cell disease.
Published In:
Expert review of hematology, 18(3), 215-224 (2025)
Database ID:
RTHC-06319

Evidence Hierarchy

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

Summarizes existing research without a strict systematic method.

What do these levels mean? →

Frequently Asked Questions

Is there clinical evidence for cannabis in sickle cell disease?

There are preliminary clinical trial results, but the evidence base is very limited. This review mostly draws on the known biology of the endocannabinoid system to argue for its potential in SCD.

What SCD complications might cannabis help with?

The review highlights chronic pain (and reducing opioid dependence), inflammation, leg ulcers, and vascular dysfunction as potential targets.

Read More on RethinkTHC

Cite This Study

RTHC-06319·https://rethinkthc.com/research/RTHC-06319

APA

de Oliveira Souza, Lucas Bibiano; Sicoli, Juliana Paiva Gouvea; Olalla Saad, Sara Teresinha; Benites, Bruno Deltreggia. (2025). Modulation of the endocannabinoid system in chronic conditions: a potential therapeutic intervention yet to be explored in sickle cell disease.. Expert review of hematology, 18(3), 215-224. https://doi.org/10.1080/17474086.2025.2471864

MLA

de Oliveira Souza, Lucas Bibiano, et al. "Modulation of the endocannabinoid system in chronic conditions: a potential therapeutic intervention yet to be explored in sickle cell disease.." Expert review of hematology, 2025. https://doi.org/10.1080/17474086.2025.2471864

RethinkTHC

RethinkTHC Research Database. "Modulation of the endocannabinoid system in chronic conditio..." RTHC-06319. Retrieved from https://rethinkthc.com/research/de-2025-modulation-of-the-endocannabinoid

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.