- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01899833
Efficacy and Saftey Study of 99mTc-ECDG in the Evaluation of Coronary Artery Disease (CAD)
A Prospective, Open-label, Multicenter Study With Blinded Over-reading Characterizing the Efficacy and Safety of 99mTc-EC-DG in the Evaluation of Coronary Artery Disease (CAD)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This study will be a prospective, open-label, multi-center study assessing the efficacy and safety of 99mTc-EC-DG compared to 99mTc-SPECT MPI imaging for detecting the presence, location, and severity of CAD as established by coronary angiography. Approximately 60 patients will be enrolled in the study.
Group 1 will be patients who have been evaluated for CAD within 3 to 30 days by any cardiovascular diagnostic imaging method (nuclear, ultrasound, CTA, MRI, etc.) and their physician has planned for coronary angiography but angiography has not yet been performed. In addition, the patient has not had coronary artery bypass graft (CABG). These patients can be enrolled.
Group 2 will be patients who have been evaluated for CAD within 3 to 30 days by any cardiovascular diagnostic imaging method (nuclear, ultrasound, CTA, MRI, etc.) and the patient has already had coronary angiography performed but has not received any coronary intervention subsequent to the procedure.
The following sequence of imaging procedures will be performed for both Group 1 and 2 patients: The first procedure will be a 99mTc-EC-DG rest study. This will be followed within 24 hours to 3 days with a 1-day protocol 99mTc-SPECT MPI rest/stress study. This will be followed within 24 hours to 3 days with a 99mTc-EC-DG stress study.
For both Group 1 and 2, if 1 of the diagnostic imaging procedures performed to evaluate the presence of CAD was a traditional 99mTc-SPECT MPI rest/stress study, this procedure must be repeated as 1 of the 3 SPECT imaging procedures required by the trial protocol.
The modality for provocative stress testing (exercise, pharmacologic, or exercise/pharmacologic) will be matched between the 99mTc-SPECT study and the 99mTc-EC-DG study. All prospectively performed 99mTc-EC-DG and 99mTc-SPECT studies will be conducted using regadenoson as the pharmacologic stress agent. All imaging studies (99mTc-EC-DG, 99mTc-SPECT, coronary angiography) will be over-read by blinded, trained reviewers. The consensus blinded read will determine and record the location of the CAD by relating the wall of the myocardium affected to include: anterior, Inferior, lateral, septal and apex. The angiography study will identify the arteries associated with the CAD; namely, left anterior descending, circumflex or right coronary arteries. The study will also determine the severity of the CAD by visually comparing the size and intensity of the ischemic signal on rest and stress images obtained approximately 15 and 60 minutes post injection.
The results from the consensus blinded read of coronary angiography will be considered truth for the presence, location, and severity of obstructive CAD and degree of stenosis.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Oklahoma
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Oklahoma City, Oklahoma, United States, 73210
- Tom Hennebry, MD
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age > 18 years
Either of the following:
- Standard 99mTc-SPECT perfusion rest/stress study completed within 30 days prior to screening and a coronary angiography study is clinically planned after the 99mTc-C-DG rest and stress visits in this study
- Coronary angiography study planned or completed within 30 days of screening and no coronary intervention has been performed and willingness to complete a standard 99mTc-SPECT rest/stress study
- The patient is able to provide informed consent to participate in this study
- No change in medical therapy between study procedures.
Exclusion Criteria:
- Known cardiomyopathy or history of congestive heart failure (CHF) due to left ventricular systolic dysfunction (ejection fraction < 40%)
- Starting a new anti-anginal drug or performance of revascularization prior to completing the 99mTc-EC-DG rest and stress study visits
- Contraindication for provocative stress testing based on American College of Cardiology/American Heart Association (ACC/AHA) guidelines for exercise or pharmacologic testing
- Intolerance or inability to receive sestamibi, tetrofosmin, or regadenoson, or an inability or unwillingness to exercise on a graded treadmill or receive pharmacologic stress
- Inability to lie still for approximately 30 minutes during image acquisition
- Women of childbearing potential, unless willing to use adequate contraception throughout the duration of the trial. Adequate contraception is considered hormonal contraception for > 3 months prior to entry, intrauterine device (IUD) in place for at least 3 months, double barrier methods (condoms, diaphragm or spermicide), abstinence, or a partner with non-reversed vasectomy > 40 days prior to entry.
- Pregnant or nursing
- History of malignant disease (excluding treated basal cell or squamous cell carcinoma of skin, or low grade cancers that are stable and not interfering with exercise may be allowed with permission from the Medical Monitor) within 5 years prior to screening. Resolution of a prior malignancy more than 5 years prior to screening must be deemed as cured by the investigator
- Any physical, psychological or substance abuse (drug or alcohol) condition which, in the opinion of the investigator, would interfere with the ability to provide informed consent or comply with study instructions or may adversely affect the safety of the patient if enrolled in this trial
- A known allergy to 99mTc-EC-DG or its components
- Inability to adhere to requirements specific to the study site's protocols for imaging and exercise/pharmacological stress testing, including but not limited to dietary restrictions and prohibited medications
- Received an investigational drug within 30 days prior to this study
- Prior bypass surgery
- Enrolled or plans to enroll in another clinical trial during this study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: DIAGNOSTIC
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: 99mTc-EC-DG, Diagnostic
99mTc-EC-DG (25 ± 5 mCi, up to 250 µg EC-DG) will be administered by intravenous (IV) bolus injection.
Other Name:Technetium-99m-labeled Ethylenedicysteine-Deoxyglucose
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An injection of 99mTC-Sestamibi will be administered by IV push under medically observed conditions.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Efficacy: Characterization of the efficacy of 99mTCc-ECDG in the evaluation of Coronary Artery Disease
Time Frame: Visit 1a through Visit 3 approximately 3 to 20 days
|
1. Determine efficacy (sensitivity and specificity) of 99mTc-ED-DG: i. Compare efficacy of a rest and stress study at approximately 15 minutes post injection compared with efficacy of a standard 99mTc-SPECT rest/stress perfusion study for detecting the presence of CAD using invasive coronary angiography as the truth standard.* ii. Compare efficacy of a rest and stress study at approximately 60 minutes post injection compared with a standard 99mTc-SPECT rest/stress perfusion study for detecting the presence of CAD using invasive coronary angiography as the truth standard.* * Images will be displayed using the standard Cedars Sinai tomographic display software which projects images in the short axis, vertical long, and horizontal long axis displays. |
Visit 1a through Visit 3 approximately 3 to 20 days
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Safety: The number of participants with Adverse Events
Time Frame: From screeniing through up to 14 days after last study related procedure
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Reported or observed Adverse Events
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From screeniing through up to 14 days after last study related procedure
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Gary Heller, MD, Consultant
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CP-ECDG-C3
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
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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