Description
Indications
Pharmacology
Amlodipine is a dihydropyridine calcium antagonist that inhibits the transmembrane influx of calcium ions into vascular smooth muscle and cardiac muscle. The contractile processes of cardiac muscle and vascular smooth muscle are dependent upon the movement of extracellular calcium ions into these cells through specific ion channels. Amlodipine inhibits calcium ion influx across cell membranes selectively, with a greater effect on vascular smooth muscle cells than on cardiac muscle cells. Amlodipine acts directly on vessels to cause a reduction in peripheral vascular resistance and reduction in blood pressure.
Bisoprolol Fumarate is a synthetic, beta1-selective (cardioselective) adrenoceptor blocking agent, lacking intrinsic sympathomimetic and relevant membrane stabilizing activity. It only shows low affinity to the beta2 receptor of the smooth muscles of bronchi and vessels as well as to the beta2-receptors concerned with metabolic regulation. Therefore, bisoprolol is generally not to be expected to influence airway resistance and beta2-mediated metabolic effects. Its beta1-selectivity extends beyond the therapeutic dose range.
Dosage & Administration
Interaction
Combinations not recommended: Calcium antagonists of the verapamil and diltiazem type, centrally-acting antihypertensive drugs.
Combinations to be used with caution: Strong or moderate CYP3A4 inhibitors, CYP3A4 inducers, simvastatin, Tacrolimus, Cyclosporine, class I antiarrhythmic drugs, class III antiarrhythmic drugs, parasympathomimetic drugs, topical beta-blockers (e.g. eye drops), insulin and oral antidiabetic drugs, anesthetic agents, digitalis glycosides, non-steroidal anti-inflammatory drugs (NSAIDs), sympathomimetic agents, antihypertensive agents and other drugs with blood pressure lowering potential.
Combinations to be considered: Mefloquine, Rifampicin, Ergotamine derivatives, MAO inhibitors (except MAO-B inhibitor).
Contraindications
Side Effects
Common: Dizziness, headache, somnolence, palpitations, flushing, feeling of coldness or numbness in the extremities, gastrointestinal complaints such as nausea, vomiting, diarrhea, constipation, abdominal pain; edema (e.g. ankle edema), fatigue.
Uncommon: Insomnia, mood changes (incl. anxiety), depression, sleep disorders, hypaesthesia, paresthesia, dysgeusia, tremor, visual disturbances (incl. diplopia), tinnitus, AV conduction disturbances, worsening of pre existing heart failure, bradycardia, hypotension, syncope, dyspnea, bronchospasm in patients with bronchial asthma or a history of obstructive airway disease, rhinitis, dyspepsia, dry mouth, alopecia, purpura, skin discoloration, pruritus, exanthema, arthralgia, myalgia, muscular weakness, muscle cramps, back pain, micturition disorder, nocturia, pollakisuria, potency disorders, gynecomastia, asthenia, chest pain, pain, malaise, weight increase, weight decrease.
Rare: Allergic reactions mainly affecting the skin, nightmares, hallucinations, confusion, decreased tear secretion, hearing disorders, allergic rhinitis, hepatitis, increased triglycerides, increased liver enzymes (ALAT, ASAT).
Pregnancy & Lactation
Precautions & Warnings
Use in Special Populations
Geriatric use: The usual doses can be administered to elderly people; however, caution is advised when the dose is increased.
Pediatric use: The safety and efficacy of Bisoprolol fumarate/amlodipine in children and adolescents below the age of 18 years have not been established. No data are available.
Patients with Liver disease: In case of hepatic impairment elimination of amlodipine may be elongated. Exact dosage recommendations concerning amlodipine have not been established, but the drug should therefore be administered with special caution in these patients. In case of severe hepatic impairment, the daily dose of bisoprolol must not exceed 10 mg.
Patients with Kidney disease: No dosage adjustment is required for patients with mild to moderate renal impairment. Amlodipine is not dialyzable. Amlodipine should be administered with particular caution to patients undergoing dialysis. In case of severe renal impairment (creatinine clearance <20 ml/min) the daily dose of bisoprolol must not exceed 10 mg





Reviews
There are no reviews yet.