90 Participants NeededMy employer runs this trial

Dotinurad for Gout

Recruiting at 7 trial locations
CT
Overseen ByClinical Trial Lead
Age: 18+
Sex: Any
Trial Phase: Phase 2
Sponsor: Crystalys Therapeutics
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)
Prior Safety DataThis treatment has passed at least one previous human trial

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial aims to test how effectively dotinurad lowers uric acid levels in people with gout, a painful joint condition caused by excess uric acid in the blood. Initially, the trial will compare dotinurad with a placebo (an inactive substance), after which all participants will take dotinurad. This trial suits those who have had gout for at least a year and have not found success with, or cannot use, other common treatments like allopurinol or febuxostat. As a Phase 2 trial, this research focuses on evaluating dotinurad's effectiveness in an initial, smaller group of participants.

Is there any evidence suggesting that dotinurad is likely to be safe for humans?

Research has shown that dotinurad is generally safe for people with high uric acid levels. In several studies, participants tolerated dotinurad well, with no serious safety concerns or severe side effects reported. One study found that dotinurad did not cause any drug-related problems at any dose. Additionally, Japan approved dotinurad in 2020 for treating gout and high uric acid levels, supporting its safety. So far, no new safety issues have emerged with its use.12345

Why do researchers think this study treatment might be promising for gout?

Dotinurad is unique because it targets gout by helping the kidneys remove uric acid more effectively, which is different from many existing treatments like allopurinol that work by reducing uric acid production. Researchers are excited about dotinurad because it offers a novel mechanism of action that could be beneficial for patients who do not respond well to current therapies. Additionally, the potential for improved kidney function makes dotinurad an appealing option for those with specific health concerns related to traditional gout treatments.

What evidence suggests that dotinurad might be an effective treatment for gout?

Research has shown that dotinurad effectively lowers uric acid levels in the blood, which is crucial for treating gout. One study found that 55.5% of patients taking dotinurad reached a healthy uric acid level within 12 weeks. Another study showed that a daily dose of 4 mg of dotinurad was more effective than febuxostat, another gout medication, in reaching target uric acid levels by week 24. Dotinurad is also well-tolerated, causing few side effects. In this trial, participants will either receive dotinurad throughout the study or start with a placebo before switching to dotinurad. Overall, the evidence suggests that dotinurad could be a promising option for managing gout.12467

Are You a Good Fit for This Trial?

This trial is for adults aged 18–75 with gout who can't tolerate or didn't respond to common gout medicines (allopurinol, febuxostat, or uricase). Participants must have moderately high uric acid levels and agree to use birth control if they can have children.

Inclusion Criteria

sUA level >6.0 and <10.5 mg/dL at both Screening Visit 1 (Day -28) and Screening Visit 2 (Day -7)
Fertile male participants and female participants of childbearing potential must be willing to abstain from heterosexual sex or use acceptable contraception from informed consent through 30 days after last dose of trial drug
I am between 18 and 75 years old.
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Exclusion Criteria

I have had kidney stones in the past year.
I have had cancer within the last 5 years, except for treated skin cancers.
Known or suspected history of drug abuse, positive drug test at Screening Visit 1, or recent history of alcohol abuse
See 2 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Treatment Period 1

Participants receive dotinurad or placebo for 24 weeks

24 weeks

Treatment Period 2

Participants continue with dotinurad for an additional 12 weeks

12 weeks

Follow-up

Participants are monitored for safety and effectiveness after treatment

4 weeks

What Are the Treatments Tested in This Trial?

Interventions

  • Dotinurad

Trial Overview

The study compares dotinurad, a new medicine meant to lower uric acid in the blood, against a placebo. People are randomly assigned to either group and will be treated for about 24 weeks.

How Is the Trial Designed?

2

Treatment groups

Experimental Treatment

Group I: Placebo + Placebo to DotinuardExperimental Treatment2 Interventions
Group II: DotinuradExperimental Treatment1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

Crystalys Therapeutics

Lead Sponsor

Citations

Efficacy and Safety of Dotinurad Versus Febuxostat for ... - PMC

Dotinurad 4 mg/day was superior to febuxostat 40 mg/day in achieving serum urate levels ≤6.0 mg/dL at week 24 and was well tolerated in Chinese patients with ...

“URECE®” (Dotinurad) Launched in China as a treatment ...

For the secondary endpoint, the proportion of patients with SUA ≤6.0 mg/dL at 12 weeks was 55.5% in the dotinurad group and 50.5% in the ...

Dotinurad Treatment for Patients With Hyperuricemia ...

Dotinurad therapy may be well-tolerated in patients with hyperuricemia and may have efficacy comparable with existing standard treatment in patients with CKD ...

POS0255 A RANDOMIZED, MULTICENTER, DOUBLE ...

Conclusion: Dotinurad 4 mg demonstrated superiority to febuxostat 40 mg in lowering SUA and dotinurad 2 mg was non-inferior to febuxostat 40mg in Chinese ...

Dotinurad: a novel selective urate reabsorption inhibitor for ...

At a maintenance dose of 2 or 4 mg once daily, most patients achieved the target serum urate level of ≤6 mg/dL in a long-term study. No findings that raised ...

Urica Therapeutics Announces Topline Data From Phase 1 ...

Dotinurad was shown to be safe and well tolerated with no severe adverse events observed at any dose level. No drug-related adverse events were ...

Comparative assessment of the effects of dotinurad and ...

This study investigated the efficacy of dotinurad to reduce serum UA levels and its effects on renal function and compared those effects with those of XOIs.