|

A Phase 2 Trial of Dotinurad in Xanthine Oxidase Inhibitor (XOI) Intolerant/Uricase Failure Gout Participants

RECRUITINGPhase 2Sponsored by Crystalys Therapeutics
Actively Recruiting
PhasePhase 2
SponsorCrystalys Therapeutics
Started2026-05-08
Est. completion2027-07
Eligibility
Age18 Years – 75 Years
Healthy vol.Accepted
Locations8 sites

Summary

The primary objective of this trial is to evaluate the efficacy of dotinurad in lowering serum uric acid (sUA) at Week 24 in participants with gout who are XOI intolerant or have failed uricase treatment.

Eligibility

Age: 18 Years – 75 YearsHealthy volunteers accepted
Inclusion Criteria:

1. Between 18 and 75 years of age (inclusive) at the time of signing informed consent.
2. Diagnosis of gout based on 2015 American College of Rheumatology (ACR)-European Union League Against Rheumatism (EULAR) criteria for at least 1 year and has at least 1 of the following:

   * History (either by medical record or participant interview) of intolerance or a contraindication to either allopurinol or febuxostat.
   * Failed uricase treatment (eg, an sUA level \>6.0 mg/dL at least 2 weeks after last infusion; intolerant or contraindicated to uricase treatment).
3. sUA level \>6.0 and \<10.5 mg/dL at both Screening Visit 1 (Day -28 Visit) and Screening Visit 2 (Day -7 Visit).
4. Female participants of childbearing potential must have a negative serum pregnancy test at Screening Visit 1 (Day -28 Visit), a negative urine pregnancy test on Day 1, and must not be breastfeeding.
5. Fertile male participants and female participants of childbearing potential must be willing to completely abstain from heterosexual sex or agree to use acceptable contraception from the time of signing informed consent through 30 days after the last dose of trial drug.

Exclusion Criteria:

1. History of or presence of kidney stones within 1 year prior to Screening.
2. History of or presence of malignancy in the last 5 years other than treated cutaneous basal or squamous cell carcinoma.
3. Known or suspected history of drug abuse, a positive drug test at Screening Visit 1, or a recent history of alcohol abuse.
4. Known history of or positive results for human immunodeficiency virus (HIV), Hepatitis B surface antigen (HBsAg), or Hepatitis C virus (HCV) during Screening.
5. Current or historical evidence of any clinically significant disease or condition that, in the opinion of the Investigator, may compromise participant safety or trial compliance or may confound interpretation of trial results.

Conditions2

ArthritisGout

Interventions1

Locations8 sites

Amicis Research Center
Granada Hills, California, 91344
Pascal Dabel, MD
Cohen Medical Center
Thousand Oaks, California, 91360
Shariar Cohen-Gadol, MD
Panax Clinical Research
Miami, Florida, 33014
Robert Perry, MD
Anchor Medical Research
Miami, Florida, 33176
Juvenal Martinez, MD
Las Vegas Clinical Trials
Alton Walters, MD

Find trials near these locations

Related trials

Browse More Trials

Trial data from ClinicalTrials.gov. Trial status and eligibility can change — verify directly with the study contact or on ClinicalTrials.gov.

This site does not provide medical advice. Always consult your doctor before considering enrollment in a clinical trial. Learn more on our About page.