| NCT Number | Conditions | Interventions | Sponsor/Collaborators | Phases | Start Date | Last Updated |
| NCT02477488 | Gout|Renal Insufficiency | Drug: Allopurinol | Maisonneuve-Rosemont Hospital | Phase 4 | 2015-06-01 | 2016-09-12 |
| NCT02046694 | Acute Lymphoblastic Leukemia (ALL) | Drug: Allopurinol | Sidney Kimmel Comprehensive Cancer Center | Phase 1 | 2014-01-01 | 2017-03-06 |
| NCT02237339 | Hypertension|Hypertrophy, Left Ventricular | Drug: Allopurinol|Drug: Placebo | University of Dundee|British Heart Foundation | Phase 4 | 2014-09-01 | 2016-06-08 |
| NCT01092221 | Mania | Drug: Allopurinol|Drug: Placebo | Sheba Medical Center | Phase 3 | 2010-05-01 | 2012-05-06 |
| NCT00864825 | Schizophrenia|Schizoaffective Disorder | Drug: Allopurinol | Sheba Medical Center | Phase 4 | 2009-08-01 | 2012-05-06 |
| NCT01603134 | Fasting State | Drug: Allopurinol|Drug: Allopurinol | IPCA Laboratories Ltd. | Phase 1 | 2007-11-01 | 2012-05-21 |
| NCT01391325 | Gout | Drug: Allopurinol | Ardea Biosciences, Inc. | Phase 4 | 2011-07-01 | 2014-05-16 |
| NCT01775098 | Gout | Drug: allopurinol | Universit de Sherbrooke | | | 2013-12-10 |
| NCT00181155 | Congestive Heart Failure | Drug: Allopurinol|Drug: Placebo | Johns Hopkins University|National Heart, Lung, and Blood Institute (NHLBI) | Phase 2 | 2004-11-01 | 2016-01-06 |
| NCT01951404 | End Stage Renal Disease|Left Ventricular Hypertrophy | Drug: Allopurinol|Drug: Placebo (for allopurinol) | University of Dundee|British Heart Foundation|NHS Tayside|NHS Greater Glasgow and Clyde|University of Glasgow | Phase 4 | 2013-09-01 | 2016-11-03 |
| NCT01701622 | Blood Pressure|Gout | Drug: febuxostat | University of Mississippi Medical Center | | 2010-01-01 | 2013-02-08 |
| NCT00849368 | Inflammatory Bowel Disease | Drug: Azathioprine / Allopurinol | University of Zurich | Phase 1 | 2009-01-01 | 2012-02-06 |
| NCT02956278 | Chronic Gout|Hyperuricemia | Drug: Allopurinol|Other: Placebo | University of California, San Francisco|National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)|Open Medicine Institute | Phase 4 | 2016-11-01 | 2016-11-02 |
| NCT02498652 | Gout | Drug: RDEA3170 2.5 mg|Drug: allopurinol 300 mg | Ardea Biosciences, Inc. | Phase 2 | 2015-07-01 | 2016-08-30 |
| NCT01987570 | Patients With Grade II Ankle Sprain | Drug: Allopurinol|Drug: Placebo | Instituto de Investigacion Sanitaria La Fe | Phase 3 | 2012-04-01 | 2016-09-07 |
| NCT01077284 | Hyperuricosuria|Kidney Stones | Drug: Febuxostat|Drug: Allopurinol|Drug: Placebo | Takeda | Phase 2 | 2010-02-01 | 2013-01-14 |
| NCT00732251 | Bipolar Disorder|Mania|Mixed Mania | Drug: Allopurinol | Cedars-Sinai Medical Center|West Coast College of Biological Psychiatry | Phase 4 | 2008-08-01 | 2012-03-26 |
| NCT01988402 | Gout | Drug: allopurinol|Drug: Placebo (sugar pill) | Wilford Hall Medical Center|United States Air Force | Phase 4 | 2007-12-01 | 2014-12-20 |
| NCT01609166 | Hand-foot Syndrome | Drug: Allopurinol|Drug: Placebo | Fundaci贸 Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau | Phase 2 | 2011-07-01 | 2014-05-22 |
| NCT01575379 | Diabetic Nephropathies | Drug: Allopurinol|Drug: Placebo | Alessandro Doria|Steno Diabetes Center|University of Michigan|University of Minnesota - Clinical and Translational Science Institute|Joslin Diabetes Center | Phase 4 | 2012-09-01 | 2016-02-22 |
