Half-Dose Radiopharmaceutical in Wide Beam Reconstruction (REGA-1102)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01499654
Recruitment Status : Terminated (Low enrollment)
First Posted : December 26, 2011
Results First Posted : February 24, 2016
Last Update Posted : February 24, 2016
Astellas Pharma Global Development, Inc.
Information provided by (Responsible Party):
Edwin Wu, Northwestern University

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment;   Masking: None (Open Label);   Primary Purpose: Diagnostic
Conditions: Myocardial Infarction
Ischemic Heart Disease
Intervention: Drug: Half-dose of the Tc99-m sestamibi (Cardiolite)

  Participant Flow

Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
Prospectively enroll patients with history of severe myocardial infarction, cardiomyopathy, heart failure or prior nuclear scans with resting perfusion defects. Patients were approached in the nuclear stress lab prior to scheduled stress test. Recruitment period was between 3/20/2012 and 2/14/2014.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
No text entered.

Reporting Groups
Study Group Entire cohort

Participant Flow:   Overall Study
    Study Group

  Baseline Characteristics

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
No text entered.

Reporting Groups
Study Group Entire cohort

Baseline Measures
   Study Group 
Overall Participants Analyzed 
[Units: Participants]
[Units: Years]
Mean (Standard Deviation)
 66  (11) 
[Units: Participants]
Female   16 
Male   48 
[Units: Inches]
Mean (Standard Deviation)
 68.0  (4.1) 
[Units: Pounds]
Mean (Standard Deviation)
 198.4  (40.0) 
Body mass index 
[Units: Kg/m^2]
Mean (Standard Deviation)
 30.2  (6.0) 
Indications for stress test 
[Units: Participants]
Chest pain   16 
Dyspnea   9 
Prior Myocardial Infarct   7 
Prior Coronary Disease   18 
Cardiomyopathy   5 
CHF   6 
Prior CABG   8 
Prior PCI   5 
Other   9 
[Units: Participants]
Hypertension   58 
Hypercholesterolemia   52 
Tobacco smoking (prior or current)   24 
Diabetes mellitus   21 
Family history of CAD   19 
Prior Myocardial Infarct   28 
Coronary artery disease   46 
Coronary artery bypass surgery   27 
Previous nuclear stress 
[Units: Participants]
[Units: Participants]
ACE inhibitors/ARB   33 
Beta-blockers   56 
Ca-channel blockers   19 
Aspirin   51 
Anti-platelet   21 
Statin   53 
Nitrates   11 
Diuretic   24 

  Outcome Measures

1.  Primary:   Sum Rest Score   [ Time Frame: Baseline ]

2.  Primary:   Segments With Resting Perfusion Defect   [ Time Frame: Baseline ]

3.  Secondary:   Image Quality Score   [ Time Frame: Baseline ]

4.  Secondary:   Diagnostic Confidence Score   [ Time Frame: Baseline ]

5.  Post-Hoc:   Resting Full-Tracer Dose   [ Time Frame: Baseline ]

6.  Post-Hoc:   Injection and Scan Times   [ Time Frame: Baseline ]

  Serious Adverse Events

  Other Adverse Events

  Limitations and Caveats

Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
Early termination of study lead to a small numbers of subjects analyzed. Technical problems in WBR processing settings including acquisition matrix sizes and/or number of iterations.

  More Information

Certain Agreements:  
Principal Investigators are NOT employed by the organization sponsoring the study.
There is NOT an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.

Results Point of Contact:  
Name/Title: Edwin Wu, MD
Organization: Northwestern University
phone: 847-535-7270

Responsible Party: Edwin Wu, Northwestern University Identifier: NCT01499654     History of Changes
Other Study ID Numbers: STU53243
First Submitted: December 19, 2011
First Posted: December 26, 2011
Results First Submitted: December 18, 2015
Results First Posted: February 24, 2016
Last Update Posted: February 24, 2016