- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02786134
Coronary Flow Reserve to Assess Cardiovascular Inflammation (CIRT-CFR) (CIRT-CFR)
Study Overview
Status
Intervention / Treatment
Detailed Description
Randomization and double-blind study treatment period to either placebo or LDM (1:1) of willing and eligible patients will occur at the end of the open label run-in phase per the parent CIRT protocol, and will be stratified by time since the qualifying event (< 6 or ≥ 6 months from the date of MI or most recent angiogram), type of event (MI or multivessel CAD), presence of either type 2 DM or metabolic syndrome, and site, which will ensure balance in the proposed study. Patients willing to participate in CIRT will be asked to enroll into the sub-study and may sign the CIRT-CFR informed consent at any point between signing the parent CIRT informed consent and completing the parent CIRT randomization visit (Visit 4). After giving informed consent for the ancillary CIRT-CFR, patients will undergo the baseline PET scan along with echocardiography at any point between the parent CIRT post run-in visit (Visit 3) and up to 4 weeks after randomization (Visit 4).
Imaging will be performed at the 3 imaging centers (BWH, OHI, and UAB). To minimize participant and site burden, only a baseline and single follow-up imaging time point will be pursued. Imaging tests (PET and echo) will be scheduled on the same day for patient convenience if possible, and no more than one week apart. "Baseline" study visit imaging will follow the open label run-in period of the parent trial to enhance long-term compliance and eliminate risk of radiation exposure for any individuals with immediate intolerance to the LDM study protocol. The imaging tests proposed are non-invasive, routinely performed, and historically well tolerated by patients.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Massachusetts
-
Boston, Massachusetts, United States, 02115
- Brigham and Women's Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age ≥18 years at screening;
- Documented past history of MI OR past evidence of multivessel CAD by angiography, completed any planned coronary revascularization associated with a qualifying event at least 60 days prior to enrollment, and clinically stable for ≥60 days prior to enrollment; qualifying prior MI must be documented either by hospital records, evidence on current ECG of Q waves in 2 contiguous leads, and/or an imaging test demonstrating wall motion abnormality or scar; qualifying evidence of multivessel CAD by angiography must be documented by CAD in at least two major epicardial vessels defined either as the presence of a stent, a coronary artery bypass graft, or an angiographic lesion of 60% or greater (left main CAD that has been revascularized with a stent or bypass graft will qualify as multivessel disease, as will the presence of a 50% or greater isolated left main stenosis);
- History of type 2 DM or metabolic syndrome (meeting 2004 AHA/NHLBI definition*) at time of study enrollment; *includes any 3 of the following 5 diagnostic criteria: waist circumference ≥ 102 cm in men or 88 cm in women; triglycerides ≥ 150 mg/dl or on drug treatment for elevated triglycerides; high-density lipoprotein cholesterol (HDL-C)< 40 mg/dL in men or < 50 mg/dL in women or on drug treatment for reduced HDL-C; systolic blood pressure ≥ 130 mm Hg or diastolic blood pressure ≥ 85 mm Hg or on drug treatment for hypertension; and elevated fasting glucose ≥ 100 mg/dL or on drug treatment for elevated glucose.
- Willingness to participate as evidenced by signing the CIRT and CIRT-CFR informed consent.
Exclusion criteria:
- Prior history of chronic infectious disease, tuberculosis, or severe fungal disease; chronic hepatitis B or C infection; renal insufficiency; interstitial pneumonitis, bronchiectasis, or pulmonary fibrosis; known chronic pericardial effusion, pleural effusion, or ascites; chronic liver disease; myeloproliferative disorders in the past 5 years; non-basal cell malignancy or treated lymphoproliferative disease within the past 5 years; known HIV positive; life expectancy of <3 years;
- Chronic inflammatory condition such as lupus or rheumatoid arthritis, ulcerative colitis or Crohn's disease
- White blood cell count <3,500/ul, hematocrit < 32 percent, or platelet count < 75,000/ul
- Liver transaminase levels (AST or ALT) >upper limit of normal (ULN) or albumin < the lower limit of normal (LLN);
- Creatinine clearance < 40 ml/min as estimated with the Cockroft-Gault equation;
- History of alcohol abuse or unwillingness to limit alcohol consumption to less than 4 drinks per week
- Women of child bearing potential, even if they are currently using contraception, and women intending to breastfeed.
- Men who plan to father children during the study period or who are unwilling to use effective forms of contraception.
- Requirement for use of drugs that alter folate metabolism (trimethoprim/sulfamethoxazol) or reduce tubular excretion (probenecid) or known allergies to antibiotics making avoidance of trimethoprim impossible;
- Current indication for methotrexate therapy;
- Chronic use of oral steroid therapy or other immunosuppressive or biologic response modifiers (see Exclusionary Medication List in Manual of Operations). Eligible study participants will be encouraged to have up to date pneumococcal and influenza vaccinations as recommended based on their age and underlying medical conditions.
- Chest X-ray evidence in the past 12 months of interstitial pneumonitis, bronchiectasis, or pulmonary fibrosis. For participants who do not have a chest X-ray in the prior 12 months, a chest X-ray will be obtained at baseline as part of the study protocol.
- New York Heart Association Class IV congestive heart failure.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: low-dose methotrexate (LDM)
Patients willing to participate in CIRT will be asked to enroll into the sub-study and may sign the CIRT-CFR informed consent at any point between signing the parent CIRT informed consent and completing the parent CIRT randomization visit (Visit 4).
After giving informed consent for the ancillary CIRT-CFR, patients will undergo the baseline rest/dipyridamole stress PET scan along with echocardiography.
The final PET scan and echocardiogram will occur at approximately 12 months after randomization.
|
A cardiac PET scan will be performed at baseline (main CIRT trial randomization) and at 12-months.
An echocardiogram will be performed at baseline (main CIRT trial randomization) and at 12-months.
|
Experimental: placebo
Patients willing to participate in CIRT will be asked to enroll into the sub-study and may sign the CIRT-CFR informed consent at any point between signing the parent CIRT informed consent and completing the parent CIRT randomization visit (Visit 4).
After giving informed consent for the ancillary CIRT-CFR, patients will undergo the baseline rest/dypridamole stress PET scan along with echocardiography.
The final PET scan and echocardiogram will occur at approximately 12 months after randomization.
|
A cardiac PET scan will be performed at baseline (main CIRT trial randomization) and at 12-months.
An echocardiogram will be performed at baseline (main CIRT trial randomization) and at 12-months.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Global Myocardial Blood Flow in Response to Vasodilator
Time Frame: 12 months
|
Change (from baseline) in global coronary flow reserve in response to vasodilator as measured by PET imaging at baseline and at one year
|
12 months
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2013P002186
Drug and device information, study documents
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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