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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Terminated Phase 4 Interventional Results available

A Phase 4 Safety and Efficacy Study to Evaluate Lesinurad 200 mg in Participants With Gout and Renal Impairment

NCT03226899
View directory record Official record
Conditions
Gout, Chronic Kidney Disease (CKD)
Interventions
Lesinurad, XOI, Placebo, colchicine, corticosteroids
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
70
States / cities
Birmingham, Alabama • Tucson, Arizona • Covina, California + 59 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 2 Interventional

Phase II Study to Evaluate Efficacy and Safety of D-0120 in Combination With Allopurinol in Subjects With Gout

NCT05665699
View directory record Official record
Conditions
Gout
Interventions
D-0120, Allopurinol
Drug
Lead sponsor
InventisBio Co., Ltd
Industry
Eligibility
18 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
19
States / cities
Birmingham, Alabama • Plantation, Florida • Evergreen Park, Illinois + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 25, 2026, 1:37 PM EDT
Recruiting Phase 3 Interventional

A Study of Dotinurad Versus Allopurinol in Participants With Gout

NCT07089875
View directory record Official record
Conditions
Gout
Interventions
Allopurinol, Dotinurad
Drug
Lead sponsor
Crystalys Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
89
States / cities
Birmingham, Alabama • Foley, Alabama • Gilbert, Arizona + 81 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 3 Interventional Results available

An Intervention Trial for Cardiac Neuropathy in Type 1 Diabetes

NCT00116207
View directory record Official record
Conditions
Diabetic Autonomic Neuropathy
Interventions
ORAL ANTIOXIDANT
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 28, 2016 · Synced Sep 25, 2026, 1:37 PM EDT
Recruiting Phase 4 Interventional

Treat-to-Target Serum Urate Versus Treat-to-Avoid Symptoms in Gout

NCT04875702
View directory record Official record
Conditions
Gout
Interventions
Allopurinol, Naproxen 250 MG, Colchicine 0.6 mg, Colchicine 1.2 mg, Naproxen 500 Mg, Prednisone 40 mg
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
7
States / cities
South Birmingham, Alabama • Santa Monica, California • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Oral Febuxostat in Participants With Gout

NCT00430248
View directory record Official record
Conditions
Gout
Interventions
Febuxostat, Allopurinol
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 85 Years
Enrollment
2,269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
258
States / cities
Birmingham, Alabama • Hoover, Alabama • Hueytown, Alabama + 255 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2012 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 2 Interventional

Allopurinol Combination Study

NCT01001338
View directory record Official record
Conditions
Gout
Interventions
RDEA594, Placebo, Allopurinol
Drug
Lead sponsor
Ardea Biosciences, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
227 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
25
States / cities
Phoenix, Arizona • La Jolla, California • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2017 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 3 Interventional Results available

Combining Lesinurad With Allopurinol in Inadequate Responders

NCT01510158
View directory record Official record
Conditions
Gout
Interventions
Lesinurad, Placebo, Allopurinol
Drug
Lead sponsor
Ardea Biosciences, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
607 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
165
States / cities
Athens, Alabama • Birmingham, Alabama • Gulf Shores, Alabama + 139 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2016 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Effects of BCRP Q141K on Allopurinol Pharmacokinetics and Dynamics

NCT02956278
View directory record Official record
Conditions
Chronic Gout, Hyperuricemia
Interventions
Allopurinol, Placebo
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 40 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Jun 22, 2020 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Evaluation of PK and Safety of D-0120 and Allopurinol

NCT05360628
View directory record Official record
Conditions
Healthy
Interventions
D-0120 in combination with Allopurinol
Drug
Lead sponsor
InventisBio Co., Ltd
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Sep 25, 2026, 1:37 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Allopurinol for Renal Transplant Associated Hypertension in Children

NCT00288171
View directory record Official record
Conditions
Hypertension, Renal Transplant
Interventions
Placebo, Allopurinol
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
6 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Sep 25, 2026, 1:37 PM EDT
Completed No phase listed Observational

DECT Study in Allopurinol-Treated Gout Patients

NCT02393560
View directory record Official record
Conditions
Gout
Interventions
DECT scan
Procedure
Lead sponsor
Ardea Biosciences, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
9
States / cities
Irvine, California • Englewood, Colorado • Wheat Ridge, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2017 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 2Phase 3 Interventional

Phase 2b/3 Study to Assess ABP-671 a Novel URAT1 Inhibitor in Participants With Gout

NCT05818085
View directory record Official record
Conditions
Gout
Interventions
ABP-671, Allopurinol, Placebo
Drug · Other
Lead sponsor
Atom Therapeutics Co., Ltd
Industry
Eligibility
19 Years to 75 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
35
States / cities
Tempe, Arizona • Tuscon, Arizona • Anaheim, California + 27 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Local Antioxidant Therapy on Racial Differences in Vasoconstriction

NCT03680404
View directory record Official record
Conditions
Cardiovascular Diseases, Cardiovascular Risk Factor, Vasoconstriction
Interventions
Control (Phenylephrine), Phenylephrine + Apocynin, Phenylephrine + Allopurinol, Phenylephrine + Tempol
Drug
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 35 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Nov 4, 2020 · Synced Sep 25, 2026, 1:37 PM EDT
Terminated Phase 4 Interventional Results available

Allopurinol Maintenance Study for Bipolar Disorder

NCT00732251
View directory record Official record
Conditions
Bipolar Disorder, Mania, Mixed Mania
Interventions
Allopurinol
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 1, 2019 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 2 Interventional

SWOG-9320 Combination Chemotherapy, Radiation Therapy, and Antiviral Therapy in Treating Patients With AIDS-Related Lymphoma

NCT00002571
View directory record Official record
Conditions
Lymphoma
Interventions
bleomycin sulfate, filgrastim, cyclophosphamide, cytarabine, doxorubicin hydrochloride, etoposide, leucovorin calcium, methotrexate, prednisone, trimethoprim-sulfamethoxazole, vincristine sulfate, radiation therapy, Intrathecal cytarabine
Biological · Drug · Radiation
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2011
U.S. locations
85
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 53 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2013 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 4 Interventional Results available

Efficacy and Safety of Colchicine for the Prevention of Gout Flares During the Initiation of Allopurinol

NCT01451645
View directory record Official record
Conditions
Intercritical Gout
Interventions
Colchicine (Colcrys®), placebo, allopurinol
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
37
States / cities
Alabaster, Alabama • Mesa, Arizona • Upland, California + 34 more
Source: ClinicalTrials.gov public record
Updated May 11, 2014 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Lesinurad/Allopurinol 200/300 FDC Tablets Bioequivalence

NCT02888054
View directory record Official record
Conditions
Healthy
Interventions
lesinurad/allopurinol 200/300 FDC tablet, lesinurad 200 mg, allopurinol 300 mg
Drug
Lead sponsor
Ardea Biosciences, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2017 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety/Efficacy Study to Evaluate of MBX-102 in Combination With Allopurinol in Gout Patients

NCT01399008
View directory record Official record
Conditions
Gout
Interventions
Arhalofenate, Allopurinol, Colchicine, Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
16
States / cities
Lincoln, California • Los Angeles, California • Palo Alto, California + 13 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2015 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Lesinurad/Allopurinol 200/300 FDC Tablets Bioavailability

NCT02581553
View directory record Official record
Conditions
Healthy
Interventions
lesinurad/allopurinol 200/300 FDC tablets, lesinurad 200 mg, allopurinol 300 mg, lesinurad/allopurinol 200/200 FDC tablets, allopurinol 200 mg
Drug
Lead sponsor
Ardea Biosciences, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 18, 2016 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 2 Interventional

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

NCT05253833
View directory record Official record
Conditions
Gout, Arthritis, Gouty, Hyperuricemia, Gout Chronic
Interventions
AR882 Dose 1, AR882 Dose 2, Allopurinol Tablet
Drug
Lead sponsor
Arthrosi Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
10
States / cities
Birmingham, Alabama • Phoenix, Arizona • Sun City, Arizona + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Sep 25, 2026, 1:37 PM EDT
Completed No phase listed Observational

PERL Continuous Glucose Monitoring (CGM) Study

NCT03334318
View directory record Official record
Conditions
Diabetic Nephropathies
Interventions
Mean blood glucose, Blood glucose CV, % time 70-180 mg/dL, % time below 54 mg/dL, % time above 180 mg/dL, % time above 250 mg/dL, MAGE (Mean amplitude of glucose excursions), LBGI (Low Blood Glucose Index), HBGI (High Blood Glucose Index), Allopurinol, Placebo
Other · Drug
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 70 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
15
States / cities
Aurora, Colorado • Atlanta, Georgia • Chicago, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Sep 25, 2026, 1:37 PM EDT
Completed Phase 4 Interventional Results available

Allopurinol Add-on Treatment for Refractory Mania

NCT00643123
View directory record Official record
Conditions
Bipolar Disorder, Mixed Mania, Treatment-Resistant Mania
Interventions
Allopurinol, Placebo
Drug · Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 7, 2019 · Synced Sep 25, 2026, 1:37 PM EDT
Terminated Phase 2 Interventional Results available

Uric Acid Reduction as a Novel Treatment for Pediatric Chronic Kidney Disease

NCT03865407
View directory record Official record
Conditions
Hyperuricemia, Chronic Kidney Diseases
Interventions
Allopurinol
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
2 Years to 20 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated May 26, 2021 · Synced Sep 25, 2026, 1:37 PM EDT