Dronedarone
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Dronedarone
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| Systematic (IUPAC) name | |
| N-(2-Butyl-3-(p-(3-(dibutylamino)propoxy)benzoyl)- 5-benzofuranyl)methanesulfonamide |
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| Identifiers | |
| CAS number | |
| ATC code | ? |
| PubChem | |
| Chemical data | |
| Formula | C31H44N2O5S |
| Mol. mass | 556.758 |
| Pharmacokinetic data | |
| Bioavailability | ? |
| Metabolism | ? |
| Half life | ? |
| Excretion | ? |
| Therapeutic considerations | |
| Pregnancy cat. |
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| Legal status | |
| Routes | ? |
Dronedarone (also known as SR33589 or Multaq) is a drug under development by Sanofi-Aventis, mainly for the indication of cardiac arrhythmias (irregular heartbeat). It is currently in phase III trials for atrial fibrillation and in patients with an implantable cardioverter-defibrillator (ICD); a trial in heart failure was stopped as an interim analysis showed a possible increase in heart failure deaths.[1]
Chemically it is a benzofuran derivative related to amiodarone, a popular antiarrhythmic the use of which is limited to toxicity due its high iodine content (pulmonary fibrosis, thyroid disease) as well as by liver disease. Dronedarone lacks the iodine, and is expected to have less toxicity, yet it displays amiodarone-like class III antiarrhythmic activity in vitro[2] and in clinical trials.[1]
In a 2007 trial in atrial fibrillation, dronedarone was significantly more effective than placebo in maintaining sinus rhythm, with no difference in lung and thyroid function in the short term.[3]
[edit] References
- ^ a b Brookes L. Dronedarone on Trial: EURIDIS and ADONIS. MedScape Today 2004 Online version.
- ^ Sun W, Sarma JS, Singh BN. Electrophysiological effects of dronedarone (SR33589), a noniodinated benzofuran derivative, in the rabbit heart: comparison with amiodarone. Circulation 1999;100:2276-81. PMID 10578003.
- ^ Singh BN, Connolly SJ, Crijns HJ et al (Sept 2007). "Dronedarone for maintenance of sinus rhythm in atrial fibrillation or flutter". N Engl J Med 357: 987–999. doi:. PMID 17804843.
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