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Allopurinol in acute gout

Does starting allopurinol during acute gout attack prolonged the current episode? A double blinded randomized controlled trial

Status
Unknown
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20230714001
Enrollment
68
Registered
2023-07-14
Start date
2023-07-12
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

gout gout, hyperuricemia, uric acid, allopurinol

Interventions

The active arm receives allopurinol 50 mg/day (D1-7) and gradually increase to 100 mg/day and 200 mg/day on day 8-14, and 15-28 respectively. ,The placebo arm receives placeob (identical tablet to act
Active Comparator Drug,Placebo Comparator Drug
allopurinol,placebo

Sponsors

Faculty of Medicine Chiang Mai University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Age 20 to 70 years 2. Crystal proven gout or meet American College of Rheumatology/European League Against Rheumatism 2015 classification criteria for gout 3. Onset of attack within 72 hours with at pain score determined by visual analog scale (VAS) of 4 or more 4. Meet at least 1 criterion for uric lowering therapy, which include: - Gout with subcutaneous tophi(s) - Evidence of radiologic damage by any radiologic modalities - Patients with frequent flare (2 times or more/year) - Patients experiencing first flare with chronic kidney disease stage 3 or more, serum uric acid > 9 mg/dL or urolithiasis

Exclusion criteria

Exclusion criteria: 1. eGFR <30 ml/min/1.73 sq. m. 2. Currently using urate lowering therapy (allopurinol, febuxostat, probenecid, benzbromarone, and sulfinpyrazone) or history of using it within the past 30 days.having uric lowering therapy treatment or history of using one in the past 30 days. 3. History of allopurinol hypersensitivity syndrome 4. Received drugs for acute treatment (NSAIDs, colchicine, or corticosteroids) for > 48 hours period 5. Uncontrolled infection/severe sepsis or have any disease that the investigators consider that the patient might not be suitable for the study 6. Poor controlled diabetes mellitus (HbA1c equal to or more than 8%) 7. Active cancer 8. Unable to communicate or perform visual analog scale/patient global assessment 9. Unable to take oral medication 10. Elevation of liver enzymes (AST/ALT) more thatn to times normal

Design outcomes

Primary

MeasureTime frame
Resolution of arthritis the days that the patient has pain less than 2 in 10 visual analog scale Pain by visual analog scale

Secondary

MeasureTime frame
patient global assessment D1, D8, D15, D28 Visual analog scale,health related quality of life D1, D8, D15, D 28 HAQ score,Inflammatory marker D1, D8, D15, D28 ESR, CRP,side effect any time from D1-D28 symptoms of side effects

Countries

Thailand

Contacts

Public ContactWorawit Louthrenoo

Faculty of Medicine, Chiang Mai University

worawit.louthrenoo@cmu.ac.th0818837953

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026