Fixed Dose Combination of Bisoprolol and Amlodipine in the Treatment of Hypertension

Inclusion criteria

• Essential hypertension not controlled at 5 mg bisoprolol or 5 mg amlodipine at least 4 weeks (definition of not controlled: SBP greater than or equal to (>=) 140 millimeter of mercury (mmHg) with or without DBP >= 90 mmHg)
• Male or female subjects >=18 years of age, without limitation on race
• Medically accepted effective contraception if procreative potential exists (applicable for both male and female subjects until at least 90 days after the last dose of trial treatment)
• Subjects who have signed the informed consent form before any trial related assessment

Exclusion criteria

• General contraindications of beta-blockers and/or calcium channel blockers

• Previous and concurrent acute heart failure or during episodes of heart failure decompensation requiring intravenous inotropic therapy
• Concurrent cardiogenic shock
• Previous and concurrent second or third degree atrioventricular (AV) block (without a pacemaker)
• Previous and concurrent sick sinus syndrome
• Previous and concurrent sinoatrial block
• Concurrent symptomatic bradycardia
• Concurrent symptomatic hypotension
• Previous and concurrent severe bronchial asthma or chronic obstructive pulmonary diseases
• Previous and concurrent severe peripheral arterial occlusive diseases and Raynaud's syndrome
• Untreated pheochromocytoma
• Concurrent metabolic acidosis
• Known hypersensitivity to bisoprolol, amlodipine, dihydropyridine derivates or to any of the excipients
• Seated pulse rate less than 60 beats per minute (bpm) at screening
• Any other anti-hypertensive drugs (other than bisoprolol and amlodipine) are used within 4 weeks prior to the screening visit
• Use of any enzyme-modifying drugs acting on cytochrome P450 (CYP) 3A4 enzymes via inhibition (such as ketoconazole, itraconazole, ritonavir) or induction (such as rifampicin or hypericum perforatum) within 28 days before Day 1 of the trial
• Other significant disease that in the Investigator's opinion that would exclude the subject from the trial, such as uncontrolled diabetes mellitus, severe liver and/or kidney dysfunction, decompensated cardiac failure
• Any other condition or therapy which in the Investigator's opinion would pose a risk to the subject or interfere with the trial objectives
• Concurrent alcohol and/or drug abuse
• Known hypersensitivity to the trial treatments
• Pregnancy and lactation period. All female subjects with reproductive potential must have a negative pregnancy serum test within the 7 days prior to enrollment
• Known lack of subject compliance
• Legal incapacity or limited legal capacity
• Participation in another clinical trial within the previous 30 days
• Persons directly involved in the execution of the protocol