Coronary artery disease

Inclusion Criteria

- Patients with stable CAD (coronary artery disease) defined by: 
-- clinically stable for at least 3 months 
-- coronary artery stenosis in any of the 3 main coronary vessels
-- or history of myocardial infarction 
- Sinus rhythm at screening
- Interpretable echocardiographic images
- Age: 30 to 80 years 
- Body mass index (BMI): above/equal 18.0 and below/equal 36.0 kg/m²

Exclusion Criteria

- Ejection fraction (EF) below 30% at screening
- Progressive angina with symptoms of worsening of angina within the <3 month
- History of recent myocardial infarction or unstable Angina
- Documented current relevant coronary stenosis ≥90% in any of the main 3 coronary vessels without bypass graft
- Symptomatic carotid stenosis, or transient ischemic attack or stroke within 3 months or patients with stroke at more than 3 months 
- Insulin dependent diabetes mellitus
- Clinically significant and persisting cardiac ischemia
- Atrial fibrillation, pacemaker, defibrillator, second and third degree atrial-ventricular (AV) block
- Known clinically relevant ventricular arrhythmias
- Clinically relevant heart failure with reduced left ventricular ejection fraction
- Significant valvular heart disease with moderate or severe aortic stenosis or any other significant stenosis; any other moderate or severe valvular failures
- Valve replacement
- Hypertrophic obstructive cardiomyopathy (HOCM)
- Previous or imminent cardiac transplantation
- Known long QT syndrome or prolongation of the QT interval with ongoing proarrhythmic conditions
- Co-medication with drugs known to have QT prolonging effect
- Intolerance of fluoroquinolones, including moxifloxacin
- History of serious adverse effects e.g. tendinitis and tendon rupture, arthralgia and effects on the peripheral and central nervous system while taking fluoroquinolones including moxifloxacin
- History of tendon diseases or tendon injury caused by quinolones
- Treatment with fluoroquinolones, including moxifloxacin during the last 2 weeks
- Treatment with organic nitrates during the last 3 months 
- Treatment with riociguat during the last 3 months 
- Treatment with phosphodiesterase (PDE)-5 inhibitors during the last 14 days 
- Systolic blood pressure below 110 or above 160 mmHg at screening visit
- Diastolic blood pressure below 50 or above 100 mmHg at screening visit
- Heart rate below 50 or above 100 beats/min (taken from ECG measurement) at first screening visit
- Estimated glomerular filtration rate (eGFR) below 30 mL/min/1.73m*2