disopyramide

FDA Approved

Description

Disopyramide is a Class IA antiarrhythmic agent with negative inotropic properties that has been used off-label for decades in the management of obstructive hypertrophic cardiomyopathy. It reduces left ventricular outflow tract obstruction by decreasing myocardial contractility. While not specifically approved for hypertrophic cardiomyopathy, it remains a treatment option when other therapies are not suitable.

Indications & Therapeutic Use

ventricular arrhythmias, off-label use in obstructive hypertrophic cardiomyopathy

Linked Diseases:

Global Availability (7 countries)

CountryAccess RouteRegulatory PathwayLead TimeStatus

Available Through

This drug is available for procurement through the following fulfilment partner.

Fulfilment Partner
disopyramide
Generic Namedisopyramide
Brands1 brand available
Active Ingredientdisopyramide phosphate
Drug Classventricular arrhythmias
ManufacturerPfizer
Dosage Formsoral capsule, 100mg, 150mg; extended-release capsule, 100mg, 150mg
Medical CodeC01BA03
Orphan StatusNo
Cold ChainNot Required
Lead Time7 days
Reg. StatusFDA Approved
Countries7 countries
Authority Signals
Last Verified3/21/2026
Data ConfidenceHigh (AI + Pharmacist)
Source Citations8 Validated Nodes
disopyramide | OrphanDrug