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Clinical Trials/NCT01259622
NCT01259622
Terminated
Phase 2

A mulTi-center, Randomized, doUble-bliNded, Placebo-controlled Dose-escalating Study of the Effects of K201 on the RestorAtion of Sinus Rhythm in Subjects With Symptomatic Atrial Fibrillation of Recent Onset

Sequel Pharmaceuticals, Inc0 sites80 target enrollmentStarted: February 2011Last updated:
InterventionssalineK201

Overview

Phase
Phase 2
Status
Terminated
Enrollment
80
Primary Endpoint
proportion of subjects who convert to sinus rhythm

Overview

Brief Summary

The purpose of this study is to evaluate the effects of a single intravenous infusion of K201 compared to placebo in a dose escalating manner on conversion to sinus rhythm, reduction of subject's symptom score, and safety.

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel
Primary Purpose
Treatment
Masking
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

Eligibility Criteria

Ages
18 Years to — (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Symptomatic atrial fibrillation for more than 3 hours and less than 7 days (as dated by symptoms).
  • Atrial fibrillation documented by ECG at the start of study drug infusion.

Exclusion Criteria

  • Previous exposure to K201
  • QTcF (Fridericia correction) \>440 ms
  • QRS interval \> 140 ms
  • Paced atrial or paced ventricular rhythm on ECG
  • History of receiving another intravenous Class I or Class III antiarrhythmic drug within 3 days of randomization
  • History of amiodarone (oral or IV) in the last 3 months.
  • Clinical evidence or history of acute coronary syndrome (e.g. myocardial infarction, unstable angina) within 30 days prior to randomization
  • History of failed electrical cardioversion at any time in the past
  • History of polymorphic ventricular tachycardia (e.g. torsades des pointes)
  • History or family history of Long QT Syndrome

Arms & Interventions

placebo

Placebo Comparator

Intervention: saline (Drug)

K201

Experimental

intravenous K201

Intervention: K201 (Drug)

Outcomes

Primary Outcomes

proportion of subjects who convert to sinus rhythm

Time Frame: 24 hours

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor Class
Industry

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