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Study of the Safety and Efficacy of Apadenoson for Detection of Myocardial Perfusion Defects Using SPECT MPI — ASPECT2  

Coronary Artery Disease Clinical Trial

Official title:
The ASPECT2 Trial: A Phase 3, Randomized, Double-Blind Trial of Apadenoson for the Detection of Myocardial Perfusion Defects Using Single-Photon Emission Computed Tomography (SPECT) Myocardial Perfusion Imaging (MPI)

Clinical Trial Summary

The purpose of this study is to see whether apadenoson is as effective as adenosine when used as a pharmacological stress agent in myocardial SPECT-imaging (SPECT-MPI)to detect defects in the supply of blood to the heart muscle (myocardial perfusion defects). The study will also look at whether apadenoson is better tolerated than adenosine when used in SPECT-MPI.

Clinical Trial Description

Adenosine is an effective vasodilator used in SPECT-Myocardial Perfusion Imaging (SPECT-MPI). However, it produces transient symptoms that are poorly tolerated by most subjects. This is a multi-center, randomized double-blind study to compare the tolerability and effectiveness of apadenoson to adenosine (Adenoscan®) in SPECT-MPI. Subjects who are clinical candidates for SPECT-MPI will be enrolled to undergo two sequential SPECT-MPI studies. The first study will use adenosine as the stress agent in approximately 1250 subjects. Eligible subjects will then be randomized in a 1:1 assignment ratio to receive a second SPECT-MPI using either adenosine or apadenoson as the pharmacologic stress agent, with the goal of obtaining a total of 670 subjects who complete both studies. The agreement of the results from the two adenosine:adenosine stress tests will be compared to that from the adenosine:apadenoson tests to assess efficacy. The incidence and intensity of commonly reported side effects will be compared to evaluate improved tolerability. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Diagnostic

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01313572
Study type Interventional
Source Forest Laboratories
Contact
Status Terminated
Phase Phase 3
Start date August 2011
Completion date April 2012
View Details
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