Completed

A Randomized, Double-Blind, Placebo-Controlled Study of ATI-2042 in Patients With Paroxysmal Atrial Fibrillation and Pacemakers With Atrial Fibrillation Data Logging Capabilities

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What is being tested

ATI-2042

+ ATI-2042 200 mg

Drug
Who is being recruted

Arrhythmias, Cardiac+3

+ Atrial Fibrillation

+ Cardiovascular Diseases

Over 18 Years
+5 Eligibility Criteria
See all eligibility criteria
How is the trial designed

Treatment Study

Phase 2
Interventional
Study Start: July 2006
See protocol details

Summary

Principal SponsorARYx Therapeutics
Last updated: January 27, 2026
Sourced from a government-validated database.Claim as a partner

Study start date: July 1, 2006

Actual date on which the first participant was enrolled.

ATI-2042 is being developed as an alternative to amiodarone, which is considered a first-line therapy for patients with atrial fibrillation and is known to have serious side effects. ATI-2042 was designed to have a reduced plasma half-life and a lower volume of distribution, which is expected to result in an improved safety profile. In contrast to amiodarone, ATI-2042 undergoes rapid metabolism via plasma and tissue esterases, which may reduce tissue accumulation and toxicity. The current trial will determine if ATI-2042 retains the efficacy profile of amiodarone without the side effects attributable to tissue accumulation seen with long-term dosing. This study is an early phase trial and some specific protocol information is proprietary and not publicly available at this time. (Full information is available to trial participants.)

Official TitleA Randomized, Double-Blind, Placebo-Controlled Study of ATI-2042 in Patients With Paroxysmal Atrial Fibrillation and Pacemakers With Atrial Fibrillation Data Logging Capabilities
NCT00389792
Principal SponsorARYx Therapeutics
Last updated: January 27, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

72 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Treatment Study

These studies test new ways to treat a disease, condition, or health issue. The goal is to see if a new drug, therapy, or approach works better or has fewer side effects than existing options.



Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

Over 18 Years

Range of ages for which participants are eligible to join.

Healthy volunteers not allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

Arrhythmias, CardiacAtrial FibrillationCardiovascular DiseasesHeart DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Criteria

2 inclusion criteria required to participate
Proven paroxysmal atrial fibrillation

Pacemaker with appropriate AF diagnostics and recording capabilities

3 exclusion criteria prevent from participating
Known allergy to Amiodarone or previous treatment for severe Amiodarone toxicity

Cardioversion within one month of screening

Severe left ventricular dysfunction or CHF with NYHA Class III or above

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Treatment Groups
Study Objectives

4 intervention groups are designated in this study

This study does not include a placebo group 

Treatment Groups

Group I

No Intervention

Group II

No Intervention

Group III

No Intervention

Group IV

No Intervention

Study Objectives

Primary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 40 locations

Suspended

ARYx Investigational Site

Phoenix, United StatesOpen ARYx Investigational Site in Google Maps
Suspended

ARYx Investigational Site

Scottsdale, United States
Suspended

ARYx Investigational Site

Tucson, United States
Suspended

ARYx Investigational Site

Larkspur, United States
Completed40 Study Centers