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Completed

NCT Number: NCT00514501

Safety and Efficacy Iodofiltic Acid I 123 in the Treatment of Acute Coronary Syndrome

This is an open-label phase 2 study recruiting low, moderate, and high likelihood ACS patients from approximately 60 centers. Patients will be imaged with iodofiltic acid I 123 for the detection of myocardial ischemia. Readers independent of the clinical study centers will review results of imaging studies in a blinded fashion at an imaging core lab. The resulting independent reading of the images will be compared against the truth standard for ACS.

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Key information

Conditions

Acute Coronary Syndrome Cardiovascular Diseases Heart Diseases Myocardial Ischemia Vascular Diseases

Age range

40 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2

Primary location

North Vancouver, British Columbia, Canada

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Provide written informed consent and are willing to comply with protocol requirements
  • Are 40 years of age or older.
  • Are being evaluated for possible ACS.
  • If female, then not of childbearing potential as documented by history or has a negative serum or urine pregnancy test within 4 hours prior to receiving the test drug and agrees to use an acceptable form of birth control.

Exclusion criteria

  • <40 years of age.
  • Females who are pregnant or lactating.
  • History of left ventricular ejection fraction (LVEF)=40%.
  • History of MI.
  • Acute ST segment elevation on ECG.
  • Left bundle branch block on ECG.
  • Known history of significant allergy to x-ray contrast media or iodine/iodides.
  • Currently or formerly on medication that targets fatty acid uptake or metabolism, eg ranolazine, (Ranexa).
  • Administered radiopharmaceutical other than rubidium-82 or thallium-201 within 2 days prior to study enrollment.
  • Underwent cardiac stress testing of any kind within 2 days prior to study enrollment.
  • Serum creatinine level >2.0 mg per dL.
  • Received investigational compound and/or medical device within 30 days of admission into this study.
  • Q-wave abnormalities consistent with previous MI

Treatment and study plan

Iodofiltic acid I 123

Drug

Primary outcomes

  1. Sensitivity, Specificity of Detecting Myocardial Ischemia (Reader 1)

    Time frame: Day 30

    Enrolled subjects were imaged (10 minutes post-injection) using iodofiltic acid I 123 SPECT and the resulting data were reviewed in blinded reads by readers independent of the study centers and the Sponsor. The results obtained in these blinded reads were compared with the final diagnosis for each subject with regard to myocardial ischemia or ACS, determined by the Final Diagnosis Clinical Endpoints Committee (FDCEC).

    Sensitivity = % (n/N): N = number of subjects positive for ischemia per the FDCEC; n = subset of N positive for ischemia per the blinded Majority Read (two of three readers) of iodofiltic acid I 123 readers.

    Specificity = % (n/N): N = number of subjects negative for ischemia per the FDCEC; n = subset of N negative for ischemia per the blinded Majority Read (two of three readers) of iodofiltic acid I 123 readers.

  2. Sensitivity, Specificity of Detecting Myocardial Ischemia (Reader 2)

    Time frame: Day 30

    Enrolled subjects were imaged (10 minutes post-injection) using iodofiltic acid I 123 SPECT and the resulting data were reviewed in blinded reads by readers independent of the study centers and the Sponsor. The results obtained in these blinded reads were compared with the final diagnosis for each subject with regard to myocardial ischemia or ACS, determined by the Final Diagnosis Clinical Endpoints Committee (FDCEC).

    Sensitivity = % (n/N): N = number of subjects positive for ischemia per the FDCEC; n = subset of N positive for ischemia per the blinded Majority Read (two of three readers) of iodofiltic acid I 123 readers.

    Specificity = % (n/N): N = number of subjects negative for ischemia per the FDCEC; n = subset of N negative for ischemia per the blinded Majority Read (two of three readers) of iodofiltic acid I 123 readers.

  3. Sensitivity, Specificity of Detecting Myocardial Ischemia (Reader 3)

    Time frame: Day 30

    Enrolled subjects were imaged (10 minutes post-injection) using iodofiltic acid I 123 SPECT and the resulting data were reviewed in blinded reads by readers independent of the study centers and the Sponsor. The results obtained in these blinded reads were compared with the final diagnosis for each subject with regard to myocardial ischemia or ACS, determined by the Final Diagnosis Clinical Endpoints Committee (FDCEC).

    Sensitivity = % (n/N): N = number of subjects positive for ischemia per the FDCEC; n = subset of N positive for ischemia per the blinded Majority Read (two of three readers) of iodofiltic acid I 123 readers.

    Specificity = % (n/N): N = number of subjects negative for ischemia per the FDCEC; n = subset of N negative for ischemia per the blinded Majority Read (two of three readers) of iodofiltic acid I 123 readers.

Sponsors and collaborators

Lead sponsor

Molecular Insight Pharmaceuticals, Inc.

Industry

Registry information

Official study title

Open-label, Phase 2 Study of the Safety and Efficacy of B-methyl-P-(123I)- Iodophenyl-pentadecanoic Acid (Iodofiltic Acid I 123) For Identification of Ischemic Myocardium Using Single Photon Emission Computed Tomography (Spect) in Adults With Symptoms Consistent With Acute Coronary Syndrome (ACS).

Acronym: Zeus-ACS

Important dates

Study start
2007
Primary completion
2008
Study completion
2008
First posted
Aug 10, 2007
Registry last updated
Mar 31, 2016

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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