Study Stopped
The changing nature of COVID-19 including a more vaccinated population, increasing natural population immunity, milder variants and other related factors has meant that it is no longer realistic to recruit the patients in a reasonable time frame.
Cannabidiol in Patients With COVID-19 and Cardiovascular Disease or Risk Factors
Study to Evaluate the Efficacy and Safety of CardiolRx™ in Patients With COVID-19 and Cardiovascular Disease or Risk Factors A Double-blind, Placebo-controlled Trial
1 other identifier
interventional
90
3 countries
20
Brief Summary
Non-critical patients, hospitalized within the previous 24 hours who tested positive for COVID-19 and have a prior history of cardiovascular disease (CVD) and/or significant risk factors for CVD will be treated for 28 days.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_2 covid19
Started Apr 2021
Longer than P75 for phase_2 covid19
20 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 2, 2020
CompletedFirst Posted
Study publicly available on registry
November 4, 2020
CompletedStudy Start
First participant enrolled
April 30, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 30, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
November 30, 2022
CompletedResults Posted
Study results publicly available
July 25, 2025
CompletedApril 21, 2026
February 1, 2026
1.6 years
November 2, 2020
June 23, 2025
March 31, 2026
Conditions
Outcome Measures
Primary Outcomes (1)
Composite of All-cause Mortality, Requirement for ICU Admission and/or Ventillatory Support and Cardiovascular Complications
Proportions of patients in each group not having one of the outcome measures as described above (All-cause mortality, requirement for ICU admission and/or ventillatory support and cardiovascular complications)
28 days post randomization
Secondary Outcomes (1)
Ordinal Outcome Scale
28 days
Study Arms (2)
Cannabidiol, pharmaceutically produced with < 5 ppm THC
EXPERIMENTALCardiolRx
Placebo
PLACEBO COMPARATORPlacebo
Interventions
CardiolRx 2.5 mg/kg to 7.5 mg/kg of body weight b.i.d taken orally with food
Eligibility Criteria
You may qualify if:
- \. Males and females 18 years of age or older 2. Hospitalized for COVID-19 with the most recent test positive\*; not receiving or likely to receive invasive mechanical ventilation within the next 24 hours 3. Prior history of at least one of: i) CVD \[cardiovascular (CV), cerebrovascular or peripheral vascular diagnoses\], ii) Age \> 64, iii) Diabetes (DM), iv) Hypertension (HTN), v) Abnormal serum lipids, vi) Obesity (BMI \> or equal 30 or waist circumference \>102 cm \[40"\] for men and \>88 cm \[35"\] for women), vii) Current smoker
- \* Must be PCR test.
You may not qualify if:
- Patients who have received vasopressors, extracorporeal membrane oxygenation and mechanical ventilation within last 30 days
- Background of cardiac transplant surgery
- Implanted defibrillator (ICD) in the last three months
- Implanted left-ventricular assist device (LVAD)
- Acute coronary syndrome (ACS) within 30 days
- Percutaneous coronary intervention (PCI) within 30 days
- Receiving any immuno-suppressive agent other than dexamethasone
- History of QTc interval prolongation
- QTc interval \> 500 msec
- Treated with strong inducers of CYP3A4 or CYP2C19
- Chronic renal failure, determined as eGFR \< 30 ml/min
- Elevated alanine aminotransferase (ALT) or aspartate aminotransferase (AST) \> 5 times the upper limit of normal (ULN) or ALT or AST \>3x ULN plus bilirubin \>2x ULN
- Bacterial sepsis, defined as documented bacteremia at the time of presentation or other active bacterial infection
- Current participation in any research study involving investigational drugs or devices with the exception of dexamethasone, remdesivir, baricitinib plus remdesivir, convalescent plasma or monoclonal antibodies against the SARS-CoV-2 virus or any other therapy approved under emergency use in the region for treatment of COVID-19
- Inability or unwillingness to give informed consent
- +10 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (20)
Valleywise Health Medical Center
Phoenix, Arizona, 85008, United States
JY Research Institute
Cutler Bay, Florida, 33189, United States
Westchester General Hospital
Miami, Florida, 33155, United States
University of South Florida
Tampa, Florida, 33613, United States
Prairie Education and Research Cooperative
Springfield, Illinois, 62769, United States
University of Texas Health Science Center
San Antonio, Texas, 78229, United States
Baylor Scott & White Health - Temple
Temple, Texas, 76508, United States
Science Valley Research Institute
Campo Largo, Paraná, 83606, Brazil
Universidade Estadual de Maringa
Maringá, Paraná, 87020-900, Brazil
Hospital São Lucas PUCRS
Porto Alegre, Rio Grande do Sul, 90619-900, Brazil
Irmandade Santa Casa de Misericórdia
Porto Alegre, Rio Grande do Sul, Brazil
Núcleo de Ensino e Pesquisa do Instituto Mário Penna
Conjunto ACM, Santa Maria, 30380-472, Brazil
Fundação Pio XII - Hospital de Amor Barretos
Barretos, São Paulo, 14784-400, Brazil
IPECC-Instituto de Pesquisa Clínica de Campinas
Campinas, São Paulo, 13060-080, Brazil
Instituto do Coração do HCFMUSP
Cerqueira César, São Paulo, 05403-000, Brazil
SVRI- Irmandade de Santa Casa de Misercordia de Santos
Jabaquara, São Paulo, 1409, Brazil
Science Valley Research Institute
Santo André, São Paulo, 1409, Brazil
Fundação Faculdade Regional de Medicine de Sao Jose do Rio Preto (SJRP)
São José do Rio Preto, São Paulo, 15090-000, Brazil
Complexo Hospitalar de Niteroi- Centro de Pesquisa Clinica
Rio de Janeiro, 24020, Brazil
TecSalud
Monterrey, Nuevo León, 64718, Mexico
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Limitations and Caveats
The study was closed prematurely because eligible patients could no longer be recruited due to vaccinations.
Results Point of Contact
- Title
- Andrea B. Parker, MSc. PhD, Senior Director Clinical Operations
- Organization
- CardiolRx
Study Officials
- STUDY CHAIR
Dennis McNamara, MD
University of Pittsburgh
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Masking Details
- double-blind
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 2, 2020
First Posted
November 4, 2020
Study Start
April 30, 2021
Primary Completion
November 30, 2022
Study Completion
November 30, 2022
Last Updated
April 21, 2026
Results First Posted
July 25, 2025
Record last verified: 2026-02
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL
- Time Frame
- Data will become available in Q4 2022
- Access Criteria
- Access to the journal in which article has been published
The data will become available once the study has been published