TheraRadar
Data updated: Jun 17, 2026

DOFETILIDE

Cardiovascular Approved 2016-06-06

Maintenance of Normal Sinus Rhythm (Delay in AF/AFl Recurrence) Dofetilide capsules are indicated for the maintenance of normal sinus rhythm (delay in time to recurrence of atrial fibrillation/atrial flutter [AF/AFl]) in patients with atrial fibrillation/atrial flutter of greater than one week duration who have been converted to normal sinus rhythm.

Source: FDA Label • SIGMAPHARM LABS LLC
11
Indications
--
Phase 3 Trials
10
Years on Market

DOFETILIDE Approval History

2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
48 FDA actions from 2016 to 2025
Feb 2025 SUPPL
Label · Labeling
Apr 2024 SUPPL
Label · Labeling
Nov 2022 SUPPL
Label · Labeling

What DOFETILIDE Treats

11 FDA approvals

Originally approved for its first indication in 2016 . Covers 11 distinct patient populations.

  • Other (11)

DOFETILIDE Boxed Warning

To minimize the risk of induced arrhythmia, patients initiated or re-initiated on dofetilide capsules should be placed for a minimum of 3 days in a facility that can provide calculations of creatinine clearance, continuous electrocardiographic monitoring, and cardiac resuscitation. For detailed instructions regarding dose selection, see DOSAGE AND ADMINISTRATION ....

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Clinical Trial Registry

3 trials
Trial Sponsor ID Phase Status Title
NCT01873950 results posted 13-011D SCR-002 Ph 1 completed Study of the Electrocardiographic Effects of Ranolazine, Dofetilide, Verapamil, and Quinidine in Healthy Subjects
NCT02308748 results posted 14-022D SCR-003 Ph 1 completed Ability of Late Sodium or Calcium Current Block to Balance the ECG Effects of Potassium Current Block
NCT02365532 GS-US-372-1666 Ph 1 completed Effect of Oral GS-6615 on Dofetilide-Induced QT Prolongation, Safety, and Tolerability in Healthy Adults
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Active Pipeline

Pro

Ongoing clinical trials by development phase

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Key Completed Trials

Pro

Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

DOFETILIDE FDA Label Details

Indications & Usage

FDA Label (PDF)

Maintenance of Normal Sinus Rhythm (Delay in AF/AFl Recurrence) Dofetilide capsules are indicated for the maintenance of normal sinus rhythm (delay in time to recurrence of atrial fibrillation/atrial flutter [AF/AFl]) in patients with atrial fibrillation/atrial flutter of greater than one week duration who have been converted to normal sinus rhythm. Because dofetilide can cause life threatening ventricular arrhythmias, it should be reserved for patients in whom atrial fibrillation/atrial flutter is highly symptomatic. In general, antiarrhythmic therapy for atrial fibrillation/atrial flutter ai...

⚠️ BOXED WARNING

To minimize the risk of induced arrhythmia, patients initiated or re-initiated on dofetilide capsules should be placed for a minimum of 3 days in a facility that can provide calculations of creatinine clearance, continuous electrocardiographic monitoring, and cardiac resuscitation. For detailed inst...

Looking for the branded version?

DOFETILDE

Full clinical data, patents, trials, and competitive landscape for dofetilide.

See DOFETILDE

Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.