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Taking people in NetherlandsPhase 2/3

Dapansutrile tablets for adults having an acute gout flare

Tests dapansutrile tablets against placebo in adults with a sudden gout flare.

Key facts

Who runs it
Olatec Therapeutics, Inc.
Where
Amsterdam, Leeuwarden, Maastricht, and Venlo, NetherlandsSee the 4 sitesAlso in 4 other countries, 33 sites
Registry title
Study of Dapansutrile Tablets in Subjects With an Acute Gout Flare
Status
Recruiting
Phase
Phase 2/3
People taking part
300 people, planned
Started
6 Jan 2023
Expected to end
31 Jan 2027
Type of study
Interventional, 2 groupsOne group gets a placebo (a dummy treatment), for comparison.
Treatments tested
  • Dapansutrile
  • Placebo Tablet
Record updated
11 March 2026

Who can take part

AI summary

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for adults with gout who have a gout flare in one joint. The flare must have started within 96 hours before the first visit.

Age
18 years or older
Sex
Men and women
Disease stage
Acute gout flare in a target joint, starting within 96 hours before the screening visit. Gout must be confirmed by urate crystals in joint fluid or by imaging, or by a documented history in that joint, or by 2 or more gout flares in the previous 18 months. Fewer than 4 joints may be flaring.
Earlier treatment
No paracetamol/acetaminophen within 4 hours, and no other pain medicines within 12 hours, before the screening visit. No other medicines banned by the protocol.

Main reasons for not taking part

  • Tophi (lumps of urate crystals) that can be seen or felt
  • 4 or more joints with a gout flare, rheumatoid arthritis, other inflammatory arthritis, or joint infection
  • Chronic kidney disease or a history of kidney problems
  • Active cancer, or recent cancer treated with anti-cancer medicine
  • Allergy to OLT1177® or similar drugs, or to paracetamol/acetaminophen

The registry criteria, word for word

Show all 18 criteriaShow less

Who can take part

  • Male and female subjects age 18 or older
  • Clinical diagnosis of gout according to the 2015 ACR/EULAR Gout Classification Criteria:
  • Diagnosis of gout must be confirmed in the target joint as indicated by either the presence of monosodium urate (MSU) crystals by microscopic evaluation of synovial fluid from the target joint or bursa OR by imaging evidence of urate deposition in the target joint or bursa at the Screening/Baseline Visit/Study Day 1, or
  • Documented history in the target joint or bursa ; or documented history of 2 or more gout flares in the previous 18 months
  • Confirmation of a gout flare in the target joint that began within 96 hours prior to the Screening/Baseline Visit
  • Provide written informed consent and understand and comply with all trial requirements

Who cannot take part

  • Use of any prohibited concomitant medications/therapies over the periods defined in the protocol or planned use of any prohibited concomitant medications/therapies during the Treatment Period (including the use of paracetamol/acetaminophen within 4 hours prior to the Screening/Baseline Visit or other pain medications within 12 hours prior to the Screening/ Baseline Visit
  • Use of any product containing paracetamol/acetaminophen within 4 hours prior to the Screening/Baseline Visit or planned use during the Treatment Period (with the exception of study-provided Rescue Medication [paracetamol/acetaminophen], which is permitted after completion of the first target joint pain assessment on Study Day 4
  • Known diagnosis of chronic kidney disease or known history of renal impairment
  • Positive test for severe acute respiratory syndrome coronavirus 2 (SARS- CoV-2) infection, if tested, within 4 weeks of the Screening/Baseline
  • Active malignancy or recent malignancy with any systemic anti-cancer treatment
  • Has a hypersensitivity or allergy to OLT1177® or other drugs in its class
  • Hypersensitivity or allergy to paracetamol/acetaminophen
  • Presence of any palpable and visible tophi by physical examination
  • Has ≥ 4 joints with an acute gout flare at Screening/Baseline
  • Presence of active rheumatoid arthritis or other acute inflammatory arthritis
  • Evidence/suspicion of infectious/septic arthritis
  • Clinically significant general pain or non-gout-related joint pain that would interfere with the subject's ability to accurately assess pain in the target joint

Where in Netherlands

Also in 4 other countries, 33 sites

  • Reade AmsterdamAmsterdam, NetherlandsTaking people
  • Frisius MCLeeuwarden, NetherlandsTaking people
  • Academisch Ziekenhuis MaastrichtMaastricht, NetherlandsTaking people
  • Stichting Viecuri Medisch Centrum voor Noord-LimburgVenlo, NetherlandsTaking people

About the trial

What the trial wants to find out

The purpose of this trial is to investigate the efficacy and safety of dapansutrile (OLT1177®) tablets in subjects with an acute gout flare.

The 2 groups in the trial

  • DapansutrileTreatment being tested

    An initial loading dose of 2000 mg dapansutrile on Day 1 followed by a maintenance regimen of 1000 mg dapansutrile twice daily starting 12 hours later through the second dose on Day 7, inclusive.

  • Placebo TabletPlacebo, for comparison

    An initial loading dose of matching placebo (to mimic dapansutrile dosing) on Day 1 followed by a maintenance regimen of matching placebo twice daily starting 12 hours later through the second dose on Day 7, inclusive.

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov and on the EU's official list of trials (CTIS).
Official title
A Multi-Center Phase 2/3 Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Safety and Efficacy Study of Dapansutrile Tablets in Subjects With an Acute Gout Flare
Plain-language title
Dapansutrile tablets for adults having an acute gout flareGenerated from the registry record. The registry title is the official one.
AI summary
From the trial's eligibility criteria. Read by machine on 14 November 2026.
Record updated
11 March 2026