Bupranolol is a non-selective beta blocker without intrinsic sympathomimetic activity (ISA), but with strong membrane stabilizing activity. Its potency is similar to propranolol.
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| AHFS/Drugs.com | International Drug Names |
| Routes of administration | Oral, topical (eye drops) |
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| Pharmacokinetic data | |
| Bioavailability | < 10% |
| Protein binding | 76% |
| Metabolism | First pass elimination > 90% |
| Elimination half-life | 2-4 hours (plasma) |
| Excretion | > 88% renal (as carboxybupranolol) |
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| Chemical and physical data | |
| Formula | C14H22ClNO2 |
| Molar mass | 271.79 g·mol−1 |
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Uses and dosage
editLike other beta blockers, oral bupranolol can be used to treat hypertension and tachycardia.[citation needed] The initial dose is 50 mg two times a day. It can be increased to 100 mg four times a day. Bupranolol eye drops (0.05%-0.5%) are used against glaucoma.[citation needed]
Pharmacology
editBupranolol is quickly and completely absorbed from the gut. Over 90% undergo first-pass metabolism. Bupranolol has a plasma half life of about two to four hours, with levels never reaching 1 μg/L in therapeutic doses. The main metabolite is carboxybupranolol, 4-chloro-3-[3-(1,1-dimethylethylamino)-2-hydroxy-propyloxy]benzoic acid – that is, the methyl group at the benzene ring is oxidized to a carboxyl group –, of which 88% are eliminated renally within 24 hours.[citation needed]
Adverse effects, contraindications, interactions
editAdverse effects, contraindications and interactions are similar to other beta blockers.[citation needed]
References
editFurther reading
edit- Dinnendahl V, Fricke U (2007). Arzneistoff-Profile (in German). Vol. 2 (21 ed.). Eschborn, Germany: Govi Pharmazeutischer Verlag. ISBN 978-3-7741-9846-3.