Phase 2 to Assess Efficacy and Safety in AR882 Alone or in Combination With Allopurinol in Patients With Tophaceous Gout

NCT ID: NCT05253833

Last Updated: 2025-01-29

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

42 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-08-12

Study Completion Date

2024-10-28

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

This study will assess the serum urate lowering effect, tophi reduction, and safety of AR882 alone and in combination with allopurinol in patients with tophaceous gout at two doses compared to allopurinol over 24 weeks.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Gout Arthritis, Gouty Hyperuricemia Gout Chronic

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Group 1

Allopurinol once daily for 24 weeks

Group Type ACTIVE_COMPARATOR

Allopurinol Tablet

Intervention Type DRUG

Solid tablet

Group 2

AR882 Dose 1 x 2 weeks, then Dose 2 x 22 weeks

Group Type EXPERIMENTAL

AR882 Dose 1

Intervention Type DRUG

Solid Oral Capsule

AR882 Dose 2

Intervention Type DRUG

Solid Oral Capsule

Group 3

AR882 Dose 1 + Allopurinol for 24 weeks

Group Type EXPERIMENTAL

AR882 Dose 1

Intervention Type DRUG

Solid Oral Capsule

Allopurinol Tablet

Intervention Type DRUG

Solid tablet

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

AR882 Dose 1

Solid Oral Capsule

Intervention Type DRUG

AR882 Dose 2

Solid Oral Capsule

Intervention Type DRUG

Allopurinol Tablet

Solid tablet

Intervention Type DRUG

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* History of gout
* at least 1 measurable tophus on the hands/wrists and/or feet/ankles ≥ 5 mm and ≤ 30 mm in the longest diameter.
* Patients who are NOT on approved ULT must have sUA \> 7 mg/dL
* Patients who are on medically appropriate ULT must have sUA \> 6 mg/dL
* Estimated Glomerular Filtration Rate (eGFR) ≥ 45 mL/min/1.73m2

Exclusion Criteria

* Malignancy within 5 years, except for successfully treated basal or squamous cell carcinoma of the skin
* Pregnant or breastfeeding
* History of kidney stones
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Arthrosi Therapeutics

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

R Keenan, MD

Role: STUDY_CHAIR

Arthrosi Therapeutics

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Arthrosi Investigative Site (410)

Birmingham, Alabama, United States

Site Status

Arthrosi Investigative Site (403)

Phoenix, Arizona, United States

Site Status

Arthrosi Investigative Site (416)

Sun City, Arizona, United States

Site Status

Arthrosi Investigative Site (417)

Tucson, Arizona, United States

Site Status

Arthrosi Investigative Site (402)

Tampa, Florida, United States

Site Status

Arthrosi Investigative Site (404)

Boise, Idaho, United States

Site Status

Arthrosi Investigative Site (409)

Ann Arbor, Michigan, United States

Site Status

Arthrosi Investigative Site (406)

Greensboro, North Carolina, United States

Site Status

Arthrosi Investigative Site (408)

Myrtle Beach, South Carolina, United States

Site Status

Arthrosi Investigative Site (401)

Dallas, Texas, United States

Site Status

Arthrosi Investigative Site (201)

Auckland, , New Zealand

Site Status

Arthrosi Investigative Site (303)

Taichung, , Taiwan

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States New Zealand Taiwan

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

AR882-203

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

Allopurinol Combination Study
NCT01001338 COMPLETED PHASE2