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CardiolRx

Phase 4

Recurrent Pericarditis | Small Molecules | Cardiovascular |Cardiol Therapeutics Inc.|Trials Updated: Sep 30, 2026

CardiolRx development status

Highest phase Phase 4 run by Jazz Pharmaceuticals (NCT05044819)
Phase scored for CRDLPhase 3
Registered trials 13 across 9 sponsors since Nov 2020

CardiolRx target and mechanism

Molecular targetNLRP3
ModalitySmall Molecules

Also known as Pharmaceutically produced cannabidiol, Cannabidiol

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials3
Total Enrollment246

FDA Designations

ORPHAN_DRUG

CardiolRx clinical trials

CardiolRx · 3 trials · 2 indications

Phase 3 1Phase 2 2
NCT06708299CardiolRx in Recurrent Pericarditis (MAVERIC Phase-3)Recurrent Pericarditis
RECRUITING110 Analytics
PHASE3RECRUITING
CardiolRx in Recurrent Pericarditis (MAVERIC Phase-3)
Recurrent PericarditisUnlock trial analytics

Study Endpoints

Primary Endpoints

time to pericarditis recurrence
24 weeks

time to a new episode of recurrent pericarditis\* from the timepoint of stopping the IL-1 blocker to Week 24

11-point NRS Pain Score
8 weeks

Change in pain score from baseline using 11-point NRS after 8 weeks of treatment. Nominal Rating Scale from 0 to 10, where 0 represents no pain and 10 maximum pain.

Extracellular Volume (ECV)
12 weeks post randomization

Change of ECV from baseline at 12 weeks, measured by cardiac Cardiac MRI. ECV is measuring the degree of edema and fibrosis. The unit of measure was percentage. It was the percentage of myocardial tissue that is extracellular space (i.e. fraction of the myocardium occupied by extracellular matrix and interstitial fluid).

Global Longitudinal Strain (GLS)
12 weeks post randomization

The outcome was the change in GLS from baseline at 12 weeks, measured by cardiac Cardiac MRI. GLS is a predictor of cardiac function. The unit of measure is percentage. It is the percent change in myocardial length relative to its original (end-diastolic) length along the long axis. Longitudinal strain during systole is usually negative, because the ventricle shortens; normal peak GLS in healthy adults is around -20% (i.e., 20% shortening relative to original length)

Secondary Endpoints

Proportions of patients free from a new episode of recurrent pericarditis
24 weeks
Percentage of days with no or minimal pain
24 weeks
Change in Left-ventricular Ejection Fraction (LVEF) From Baseline at 12 Weeks
12 weeks post randomization
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
CardiolRxACTIVE_COMPARATOR* Initial starting dose (Day 1, evening dose to Day 3, morning dose): 5 mg/kg of body weight CardiolRx b.i.d. * Day 3, evening dose to Day 10, morning dose: 7.5 mg/kg of body weight CardiolRx b.i.d. * Day 10, evening dose to morning dose of the Week 24 Visit: 10 mg/kg of body weight CardiolRx b.i.d.
PlaceboPLACEBO_COMPARATOR* Initial starting dose (Day 1, evening dose to Day 3, morning dose): 5 mg/kg of body weight matching placebo b.i.d. * Day 3, evening dose to Day 10, morning dose: 7.5 mg/kg of body weight matching placebo b.i.d. * Day 10, evening dose to morning dose of the Week 24 Visit: 10 mg/kg of body weight matching placebo b.i.d.

Interventions

NameTypeDescription
CardiolRxDRUGThe intervention will be administered orally (via syringe) with food twice daily.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites27

Inclusion Criteria: 1. Patients 18 years of age or older 2. A history of recurrent pericarditis with stable disease and currently being treated with an IL-1 blocker, scheduled to be discontinued. Stable disease is defined as: * treatment with an IL-1 blocker for at least 12 months, * free of...

Countries:United StatesCanadaGreeceItalyBrazilFranceIsrael
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Recent Changes (Last 90 Days)

MEDIUMOct 31, 2026NCT05180240TRIAL_REMOVED: changed
MEDIUMOct 31, 2026NCT05180240TRIAL_REMOVED: changed
MEDIUMOct 31, 2026NCT05180240TRIAL_REMOVED: changed
MEDIUMOct 31, 2026NCT05180240TRIAL_REMOVED: changed
LOWSep 10, 2026NCT06708299lastUpdatePostDate: changed
LOWSep 10, 2026NCT06708299lastUpdatePostDate: changed
LOWAug 14, 2026NCT06708299lastUpdatePostDate: changed
LOWAug 14, 2026NCT06708299lastUpdatePostDate: changed
LOWAug 14, 2026NCT06708299lastUpdatePostDate: changed

Frequently asked questions about CardiolRx

What is CardiolRx used for?

CardiolRx is being developed for two cardiovascular conditions: acute myocarditis and recurrent pericarditis. It is an investigational small molecule and is not approved for any indication. Clinical testing has focused on patients 18 years and older, with trials conducted in the United States, Canada, Brazil, France, Israel, Greece, and Italy.

What does CardiolRx target?

CardiolRx targets NLRP3, a component of the inflammasome. By acting on NLRP3, the small molecule is designed to modulate the inflammatory pathway implicated in acute myocarditis and recurrent pericarditis. This mechanism distinguishes it from conventional anti-inflammatory approaches that do not directly engage the NLRP3 inflammasome.

Who makes CardiolRx?

CardiolRx is being developed by Cardiol Therapeutics Inc., which trades under the ticker CRDL. The company is advancing the small molecule across cardiovascular indications, including acute myocarditis and recurrent pericarditis, through clinical trials in North America and Europe.

What phase is CardiolRx in?

CardiolRx has completed Phase 2 testing and is now in Phase 3. The MAVERIC Phase-3 trial in recurrent pericarditis is currently recruiting, while two Phase 2 studies, one in recurrent pericarditis and one in acute myocarditis, have been completed. CardiolRx is investigational and has not been approved by the FDA.

What clinical trials is CardiolRx in?

CardiolRx has been studied in three registered trials. NCT06708299 is a recruiting Phase 3 trial in recurrent pericarditis across the United States, Canada, Greece, and Italy. NCT05494788 was a completed Phase 2 pilot in recurrent pericarditis, and NCT05180240 was a completed Phase 2 trial in acute myocarditis.

How many patients have been enrolled in CardiolRx trials?

Across its clinical program, CardiolRx trials have enrolled 137 patients in total. The completed Phase 2 acute myocarditis study enrolled 109 patients, the completed Phase 2 recurrent pericarditis pilot enrolled 27, and the ongoing Phase 3 recurrent pericarditis trial is planned for 110 participants. The studies are randomized, double-blind, and placebo-controlled.