{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Allopurinol+300+MG", "query": { "intervention": "Allopurinol 300 MG" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 47, "total_pages": 5, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Allopurinol+300+MG&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-24T04:58:25.897Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT00276003", "title": "INST Phase II Trial of Gemcitabine and Irinotecan in Patients With Relapsed or Refractory Lymphoma.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Non-Hodgkin's Lymphoma", "Cancer" ], "interventions": [ { "name": "Gemcitabine, Irinotecan, Allopurinol.", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of New Mexico", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 22, "start_date": "2002-08", "completion_date": "2005-08", "has_results": false, "last_update_posted_date": "2010-01-07", "last_synced_at": "2026-09-24T04:58:25.897Z", "location_count": 2, "location_summary": "Albuquerque, New Mexico", "locations": [ { "city": "Albuquerque", "state": "New Mexico" }, { "city": "Albuquerque", "state": "New Mexico" } ], "official_url": "https://clinicaltrials.gov/study/NCT00276003" }, { "nct_id": "NCT02498652", "title": "Phase 2a RDEA3170 and Allopurinol Combination Study in Gout Subjects", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Gout" ], "interventions": [ { "name": "RDEA3170 2.5 mg", "type": "DRUG" }, { "name": "allopurinol 300 mg", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Ardea Biosciences, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 41, "start_date": "2015-07-28", "completion_date": "2016-06-02", "has_results": true, "last_update_posted_date": "2018-01-23", "last_synced_at": "2026-09-24T04:58:25.897Z", "location_count": 4, "location_summary": "Anaheim, California • DeLand, Florida • South Miami, Florida + 1 more", "locations": [ { "city": "Anaheim", "state": "California" }, { "city": "DeLand", "state": "Florida" }, { "city": "South Miami", "state": "Florida" }, { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT02498652" }, { "nct_id": "NCT00002571", "title": "SWOG-9320 Combination Chemotherapy, Radiation Therapy, and Antiviral Therapy in Treating Patients With AIDS-Related Lymphoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Lymphoma" ], "interventions": [ { "name": "bleomycin sulfate", "type": "BIOLOGICAL" }, { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "cytarabine", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "leucovorin calcium", "type": "DRUG" }, { "name": "methotrexate", "type": "DRUG" }, { "name": "prednisone", "type": "DRUG" }, { "name": "trimethoprim-sulfamethoxazole", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "radiation therapy", "type": "RADIATION" }, { "name": "Intrathecal cytarabine", "type": "DRUG" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "RADIATION" ], "sponsor": "SWOG Cancer Research Network", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 52, "start_date": "1994-06", "completion_date": "2011-07", "has_results": false, "last_update_posted_date": "2013-01-24", "last_synced_at": "2026-09-24T04:58:25.897Z", "location_count": 85, "location_summary": "Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 53 more", "locations": [ { "city": "Mobile", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002571" }, { "nct_id": "NCT02953509", "title": "Trial of Magrolimab (Hu5F9-G4) in Combination With Rituximab or Rituximab + Chemotherapy in Participants With Relapsed/Refractory B-cell Non-Hodgkin's Lymphoma", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Non Hodgkin Lymphoma" ], "interventions": [ { "name": "Magrolimab", "type": "DRUG" }, { "name": "Rituximab", "type": "DRUG" }, { "name": "Gemcitabine", "type": "DRUG" }, { "name": "Oxaliplatin", "type": "DRUG" }, { "name": "Allopurinol", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Gilead Sciences", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 178, "start_date": "2016-11-21", "completion_date": "2024-03-25", "has_results": true, "last_update_posted_date": "2025-05-29", "last_synced_at": "2026-09-24T04:58:25.897Z", "location_count": 16, "location_summary": "Birmingham, Alabama • Duarte, California • Stanford, California + 12 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Duarte", "state": "California" }, { "city": "Stanford", "state": "California" }, { "city": "Augusta", "state": "Georgia" }, { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT02953509" }, { "nct_id": "NCT01701622", "title": "The Blood Pressure Effects of Febuxostat in Patients Previously Treated With Allopurinol: A Pilot Study", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Blood Pressure", "Gout" ], "interventions": [ { "name": "febuxostat", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Mississippi Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 1, "start_date": "2010-01", "completion_date": "2011-10", "has_results": true, "last_update_posted_date": "2018-01-12", "last_synced_at": "2026-09-24T04:58:25.897Z", "location_count": 1, "location_summary": "Jackson, Mississippi", "locations": [ { "city": "Jackson", "state": "Mississippi" } ], "official_url": "https://clinicaltrials.gov/study/NCT01701622" }, { "nct_id": "NCT02063997", "title": "Evaluate the Efficacy and Safety of Arhalofenate for Preventing Flares and Reducing Serum Uric Acid in Gout Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Gout" ], "interventions": [ { "name": "Arhalofenate 600 mg", "type": "DRUG" }, { "name": "Allopurinol 300 mg", "type": "DRUG" }, { "name": "Colchicine 0.6 mg", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Arhalofenate 800 mg", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Gilead Sciences", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 248, "start_date": "2014-03", "completion_date": "2015-01", "has_results": false, "last_update_posted_date": "2018-01-29", "last_synced_at": "2026-09-24T04:58:25.897Z", "location_count": 52, "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Tucson, Arizona + 49 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "El Cajon", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02063997" }, { "nct_id": "NCT01399008", "title": "Safety/Efficacy Study to Evaluate of MBX-102 in Combination With Allopurinol in Gout Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Gout" ], "interventions": [ { "name": "Arhalofenate", "type": "DRUG" }, { "name": "Allopurinol", "type": "DRUG" }, { "name": "Colchicine", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Gilead Sciences", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 100, "start_date": "2011-06", "completion_date": "2012-02", "has_results": true, "last_update_posted_date": "2015-09-18", "last_synced_at": "2026-09-24T04:58:25.897Z", "location_count": 16, "location_summary": "Lincoln, California • Los Angeles, California • Palo Alto, California + 13 more", "locations": [ { "city": "Lincoln", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Palo Alto", "state": "California" }, { "city": "Boca Raton", "state": "Florida" }, { "city": "Jacksonville", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT01399008" }, { "nct_id": "NCT02581553", "title": "Lesinurad/Allopurinol 200/300 FDC Tablets Bioavailability", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "lesinurad/allopurinol 200/300 FDC tablets", "type": "DRUG" }, { "name": "lesinurad 200 mg", "type": "DRUG" }, { "name": "allopurinol 300 mg", "type": "DRUG" }, { "name": "lesinurad/allopurinol 200/200 FDC tablets", "type": "DRUG" }, { "name": "allopurinol 200 mg", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Ardea Biosciences, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "MALE", "summary": "18 Years to 65 Years · Male only" }, "enrollment_count": 116, "start_date": "2015-10", "completion_date": "2016-08", "has_results": false, "last_update_posted_date": "2016-12-19", "last_synced_at": "2026-09-24T04:58:25.897Z", "location_count": 1, "location_summary": "Austin, Texas", "locations": [ { "city": "Austin", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT02581553" }, { "nct_id": "NCT01052272", "title": "Impact of Diabetes on Left Ventricular Remodeling", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Diabetes" ], "interventions": [ { "name": "Ramipril", "type": "DRUG" }, { "name": "Candesartan cilexetil", "type": "DRUG" }, { "name": "Allopurinol", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Alabama at Birmingham", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": null, "sex": "ALL", "summary": "21 Years and older" }, "enrollment_count": 72, "start_date": "2005-07", "completion_date": "2010-11", "has_results": true, "last_update_posted_date": "2012-12-17", "last_synced_at": "2026-09-24T04:58:25.897Z", "location_count": 1, "location_summary": "Birmingham, Alabama", "locations": [ { "city": "Birmingham", "state": "Alabama" } ], "official_url": "https://clinicaltrials.gov/study/NCT01052272" }, { "nct_id": "NCT01510158", "title": "Combining Lesinurad With Allopurinol in Inadequate Responders", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Gout" ], "interventions": [ { "name": "Lesinurad", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "Allopurinol", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Ardea Biosciences, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "18 Years to 85 Years" }, "enrollment_count": 607, "start_date": "2012-01", "completion_date": "2014-08", "has_results": true, "last_update_posted_date": "2016-08-18", "last_synced_at": "2026-09-24T04:58:25.897Z", "location_count": 165, "location_summary": "Athens, Alabama • Birmingham, Alabama • Gulf Shores, Alabama + 139 more", "locations": [ { "city": "Athens", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" } ], "official_url": "https://clinicaltrials.gov/study/NCT01510158" } ] }