# Cannabidiol (CBD) and Recurrent Pericarditis: What a Phase 2 Trial Found > **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637) > **Publisher:** CED Clinic (https://cedclinic.com) > **Canonical URL:** https://cedclinic.com/cannabidiol-cbd-and-recurrent-pericarditis-what-a-phase-2-trial-found/ > **Published:** 2026-07-31T12:14:11-04:00 | **Last Modified / Clinically Audited:** 2026-09-09T10:02:11-04:00 > **Clinical Summary:** Phase 2 trial examines CBD for recurrent pericarditis. Clinical evidence, mechanism, and what physicians should know about cannabidiol in cardiology. --- ✦ New CED Clinical Relevance #72 Notable Clinical Interest Emerging findings or policy developments worth monitoring closely. ResearchCBDSafetyPolicyPainAnxiety[Mental Health](https://cedclinic.com/cannabis-psychiatric-research-findings-depression-anxiety/) Why This Matters Clinicians treating patients with recurrent pericarditis now have preliminary evidence that CBD may offer a therapeutic option for this difficult-to-manage inflammatory condition, potentially reducing relapse rates and steroid dependence. This phase 2 trial data allows informed discussions with patients about an emerging treatment when conventional anti-inflammatory approaches prove insufficient or poorly tolerated. Given the cardiovascular implications of pericardial disease, rigorous efficacy and safety data on CBD in this population helps clinicians make evidence-based recommendations rather than relying on anecdotal patient interest in cannabis products. Clinical Summary A phase 2 clinical trial investigated cannabidiol (CBD) as a potential treatment for recurrent pericarditis, an inflammatory condition of the heart’s outer membrane that often proves refractory to conventional anti-inflammatory therapies. The trial evaluated CBD’s efficacy and safety profile in reducing pericardial inflammation and preventing disease recurrence in patients who had experienced multiple episodes despite standard treatment. Findings from this trial are relevant to clinicians managing patients with recurrent pericarditis, as CBD may offer an alternative therapeutic option for those intolerant of or unresponsive to nonsteroidal [anti-inflammatory drugs](https://cedclinic.com/hydrogen-sulfide-releasing-nsaid-derivative/), corticosteroids, or colchicine. However, additional phase 3 data and longer-term safety monitoring are needed before CBD can be considered standard-of-care, and clinicians should remain cautious about recommending cannabis-derived products outside of established clinical evidence. For patients with difficult-to-treat recurrent pericarditis, this emerging research suggests CBD warrants further investigation, but practitioners should counsel patients that evidence remains preliminary and discuss CBD only in the context of ongoing [clinical trials](https://cedclinic.com/endocannabinoid-system-emotional-memory-ptsd-treatment/) or in consultation with cardiology specialists. Dr. Caplan’s Take “This phase II trial gives us early signals worth watching, but we’re not yet at the point where I’d be recommending CBD for pericarditis in [clinical practice](https://cedclinic.com/cannabis-reproductive-health-women-clinical-evidence/). We need to see these findings replicated in a larger, well-controlled phase III trial before we can talk about changing treatment paradigms, and even then, we’d need to understand how CBD compares to our existing standard therapies.” Clinical Perspective 🫀 While a phase II trial investigating cannabidiol for recurrent pericarditis represents a potentially novel therapeutic avenue, clinicians should approach these findings with appropriate caution given the early stage of evidence, small sample sizes typical of phase II work, and the lack of head-to-head comparisons with current standard-of-care agents like colchicine and NSAIDs. The mechanistic plausibility of CBD’s anti-inflammatory properties is intriguing, yet translating bench findings to sustained clinical benefit in pericarditis—a condition with multiple etiologies and variable natural history—requires larger, well-controlled trials that clarify optimal dosing, long-term safety, and patient selection criteria. Important confounders remain unaddressed, including the role of concurrent medications, disease heterogeneity among participants, and the challenge of blinding in [cannabis research](https://cedclinic.com/pediatric-cannabis-certification-care-children/). Until more robust evidence emerges, practitioners managing recurrent peric 💬 Join the Conversation Have a question about how this applies to your situation? [Ask Dr. Caplan →](https://benjamincaplan.com/ask-dr-caplan) Want to discuss this topic with other patients and caregivers? [Join the forum discussion →](https://cedclinic.com/interact/discussion-forums/) Have thoughts on this? 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