Wednesday, July 8, 2026

Drug profile · INN

phenindione

phenindione (HEDULIN) is a vitamin k epoxide reductase complex subunit 1 isoform 1 inhibitor. Route of administration: oral. Current US regulatory status: approved.

FDA: approved
US status approved
Patents linked 0
Pipeline programs 0
News articles 0
Drug details — phenindione
US status
approved
Class
Route
ORAL
Patents
0
Programs
0
Data quality
0.84

Quick answer

phenindione (HEDULIN) is a vitamin k epoxide reductase complex subunit 1 isoform 1 inhibitor. Route of administration: oral. Current US regulatory status: approved.

Key facts

INN phenindione
Brand HEDULIN
Mechanism Vitamin k epoxide reductase complex subunit 1 isoform 1 inhibitor
Target Vitamin K epoxide reductase complex subunit 1
Route ORAL
Formulation TABLET

Mechanism of action

Vitamin k epoxide reductase complex subunit 1 isoform 1 inhibitor

Primary target: Vitamin K epoxide reductase complex subunit 1

Approval history

Authority Status Date
FDA approved

Related & competitor drugs

  1. warfarin sodium Vitamin k epoxide reductase complex subunit 1 isoform 1 inhibitor
  2. dicumarol Vitamin k epoxide reductase complex subunit 1 isoform 1 inhibitor
  3. phenprocoumon Vitamin k epoxide reductase complex subunit 1 isoform 1 inhibitor
  4. warfarin potassium Vitamin k epoxide reductase complex subunit 1 isoform 1 inhibitor

Frequently asked questions

What is phenindione?

phenindione (HEDULIN) is a vitamin k epoxide reductase complex subunit 1 isoform 1 inhibitor. Route of administration: oral. Current US regulatory status: approved.

What is the brand name for phenindione?

HEDULIN is a marketed brand name for phenindione. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of phenindione?

phenindione has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.