Gadobutrol / Gadavist-enhanced Cardiac Magnetic Resonance Imaging (CMRI) to Detect Coronary Artery Disease (CAD) (GadaCAD 2)

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Bayer

Status and phase

Completed
Phase 3

Conditions

Coronary Artery Disease

Treatments

Drug: Gadobutrol (Gadavist, Gadovist, BAY86-4875)

Study type

Interventional

Funder types

Industry

Identifiers

NCT01890434
15962
2013-000066-11 (EudraCT Number)

Details and patient eligibility

About

Subjects being evaluated for suspected or known Coronary artery Disease (CAD) based on signs and/or symptoms, will be invited to participate in the study. The duration for a subject in the study may range from 2 days to 4-6 weeks. One to four visits to the study doctor will be required. The primary objective of this study is to demonstrate that sensitivity and specificity of gadobutrol-enhanced cardiac magnetic resonance imaging (CMRI) exceed pre-specified minimum performance thresholds of 60% and 55%, respectively, and to show superior sensitivity over unenhanced wall motion CMRI at vasodilator rest/stress for the detection of significant CAD. The CMR images acquired with a uniform imaging acquisition software will be evaluated either against the results from routine clinical Coronary Angiography (CA) or Computed Tomography Angiography (CTA), which are the standard of reference. CMRI and CA/CTA images will be collected for an independent image review (blinded read).

Enrollment

478 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Male or female subjects aged ≥18 years
  • Subjects with suspected or known CAD based on signs and/or (typical or atypical) chest pain who have routine CA without intervention within plus/minus 4 weeks of gadobutrol-enhanced CMRI or subjects at low risk of CAD with / or scheduled to get a CTA for the purpose of exclusion of CAD within plus/minus 6 weeks of gadobutrol-enhanced CMRI
  • Willingness to undergo unenhanced wall motion and gadobutrol-enhanced CMRI at stress/rest and gated single photon emission computed tomography (GSPECT, if GSPECT will be a study procedure)
  • Women of childbearing potential (e.g. age < 60y, no history of surgical sterilization or hysterectomy): use of contraception and a negative pregnancy test
  • Subjects who are scheduled for / have undergone routine GSPECT or undergo GSPECT as a study procedure at stress and at rest within ± 4 weeks of gadobutrol-enhanced CMRI

Exclusion criteria

  • Suspected clinical instability or unpredictability of the clinical course during the study period
  • Contraindication to the cardiac MRI examination (e.g. inability to hold breath; severe claustrophobia, metallic devices such as pace makers)
  • History of severe allergic or anaphylactoid reaction to any allergen including drugs and contrast agents according to the investigator's assessment / judgment
  • Estimated glomerular filtration rate (eGFR) value <30 mL/min/1.73 m^2 derived from a serum / blood creatinine result within 2 weeks prior to gadobutrol injection. Any subject on hemodialysis or peritoneal dialysis is excluded from enrollment.
  • Acute renal insufficiency
  • Coronary artery bypass grafting (CABG)
  • Acute myocardial infarction (< 14 days prior to inclusion), unstable angina / acute coronary syndrome, severe congestive heart failure
  • Irregular heart rhythm
  • Condition that precludes the safe administration of pharmacological stressor according to the respective approved label such as sinus node disease, 2nd or 3rd degree atrioventricular block, obstructive lung disease

Trial design

Primary purpose

Diagnostic

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

478 participants in 1 patient group

Gadobutrol 0.1 mmol/kg body weight
Experimental group
Description:
Participants received gadobutrol at the total approved standard dose of 0.1 millimole per kilogram body weight (mmol/kg BW) in 2 separate bolus injections: 0.05 mmol/kg BW at peak pharmacologic stress and 0.05 mmol/kg BW at rest via a power injector.
Treatment:
Drug: Gadobutrol (Gadavist, Gadovist, BAY86-4875)

Trial contacts and locations

24

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Data sourced from clinicaltrials.gov

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