Drug

Propafenone

As of the edition of 20 October 2026, Propafenone is a small molecule: marketed, first approved in 1981 (ES); acts on ADRB1, ADRB2 and SCN10A and 9 more.

Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.

The drug

Status
Marketed; latest approval 1989
Kind
Small molecule
Brand name
Rythmol
First approved
1 July 1981 (ES)
Approvals on record
10 in 4 regions
Holder of the most recent approval
GSK; 4 holders in all
Registered trials
10, 2 stopped early
Disease areas
Heart and blood vessels

US protection

No US approval on record.

With no US approval on record there are no listed US patents or exclusivities.

This is the US only.

Companies that need a new molecule because of this drug

9 company-target rows on route B because of this drug.

Companies on route B for this drug

In the product

9 company-target rows are on route B because of Propafenone.

Targets

GeneProteinUniProt
ADRB2Beta-2 adrenergic receptorP07550
ADRB1Beta-1 adrenergic receptorP08588
SCN1ASodium channel protein type 1 subunit alphaP35498
SCN4ASodium channel protein type 4 subunit alphaP35499
SCN7ASodium channel protein type 7 subunit alphaQ01118
SCN5ASodium channel protein type 5 subunit alphaQ14524
SCN9ASodium channel protein type 9 subunit alphaQ15858
SCN2ASodium channel protein type 2 subunit alphaQ99250
SCN3ASodium channel protein type 3 subunit alphaQ9NY46
SCN11ASodium channel protein type 11 subunit alphaQ9UI33
SCN8ASodium channel protein type 8 subunit alphaQ9UQD0
SCN10ASodium channel protein type 10 subunit alphaQ9Y5Y9

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated4201
Phase 12200
Phase 21001
Phase 32200
Phase 41000
All trials10

Who has held its approvals

CompanyRoleYears
GSKAcquired holder and Lead sponsor of trials2011 to now