{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=allopurinol+200+mg&page=2",
    "query": {
      "intervention": "allopurinol 200 mg",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=allopurinol+200+mg&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=allopurinol+200+mg&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T05:05:10.992Z",
  "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": "NCT02888054",
      "title": "Lesinurad/Allopurinol 200/300 FDC Tablets Bioequivalence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "lesinurad/allopurinol 200/300 FDC tablet",
          "type": "DRUG"
        },
        {
          "name": "lesinurad 200 mg",
          "type": "DRUG"
        },
        {
          "name": "allopurinol 300 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": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 28,
      "start_date": "2016-08-30",
      "completion_date": "2017-02-01",
      "has_results": false,
      "last_update_posted_date": "2017-06-16",
      "last_synced_at": "2026-10-10T05:05:10.992Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02888054"
    },
    {
      "nct_id": "NCT00652899",
      "title": "Allogeneic Natural Killer Cells in Patients With Recurrent Ovarian Cancer, Fallopian Tube, and Primary Peritoneal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fallopian Tube Cancer",
        "Ovarian Cancer",
        "Peritoneal Cavity Cancer"
      ],
      "interventions": [
        {
          "name": "Allopurinol",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "total-body irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Allogeneic natural killer cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Aldesleukin",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 14,
      "start_date": "2008-03",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2017-12-28",
      "last_synced_at": "2026-10-10T05:05:10.992Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00652899"
    },
    {
      "nct_id": "NCT01129648",
      "title": "Study to Evaluate sUA-Lowering Activity, Safety & PK Interaction of Oral BCX4208 & Allopurinol Admin. in Subjects w/Gout",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gout"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Allopurinol",
          "type": "DRUG"
        },
        {
          "name": "BCX4208",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioCryst Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 87,
      "start_date": "2010-05",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2012-01-23",
      "last_synced_at": "2026-10-10T05:05:10.992Z",
      "location_count": 18,
      "location_summary": "Scottsdale, Arizona • Irvine, California • South Miami, Florida + 15 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01129648"
    },
    {
      "nct_id": "NCT05805605",
      "title": "Allo HSCT Using RIC and PTCy for Hematological Diseases",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Myelogenous Leukemia",
        "Acute Lymphocytic Leukemia",
        "Biphenotypic Acute Leukemia",
        "Undifferentiated Leukemia",
        "Prolymphocytic Leukemia",
        "Chronic Myelogenous Leukemia",
        "Plasma Cell Leukemia",
        "Myelodysplastic Syndromes",
        "Leukemia, Myeloid",
        "Myelodysplastic Syndrome With Excess Blasts-1",
        "Burkitt Lymphoma",
        "Relapsed T-Cell Lymphoma",
        "Relapsed Chronic Lymphocytic Leukemia",
        "Small Lymphocytic Lymphoma",
        "Marginal Zone Lymphoma",
        "Follicular Lymphoma",
        "Myeloproliferative Neoplasm",
        "Myelofibrosis"
      ],
      "interventions": [
        {
          "name": "Peripheral Blood Stem Cell Transplant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Allopurinol 300 MG",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Bone Marrow Cell Transplant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Total Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Sirolimus Pill",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "Up to 75 Years"
      },
      "enrollment_count": 56,
      "start_date": "2023-05-01",
      "completion_date": "2028-10-22",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-10T05:05:10.992Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05805605"
    },
    {
      "nct_id": "NCT04327024",
      "title": "Study of Verinurad in Heart Failure With Preserved Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure With Preserved Ejection Fraction (HFpEF)"
      ],
      "interventions": [
        {
          "name": "Verinurad",
          "type": "DRUG"
        },
        {
          "name": "Allopurinol",
          "type": "DRUG"
        },
        {
          "name": "Placebo for verinurad",
          "type": "DRUG"
        },
        {
          "name": "Placebo for allopurinol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "40 Years to 130 Years"
      },
      "enrollment_count": 159,
      "start_date": "2020-05-19",
      "completion_date": "2022-04-29",
      "has_results": true,
      "last_update_posted_date": "2023-06-29",
      "last_synced_at": "2026-10-10T05:05:10.992Z",
      "location_count": 8,
      "location_summary": "Granada Hills, California • Northridge, California • Torrance, California + 5 more",
      "locations": [
        {
          "city": "Granada Hills",
          "state": "California"
        },
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04327024"
    },
    {
      "nct_id": "NCT04026776",
      "title": "Uric Acid, Klotho and Salt Sensitivity in Young Adults Born Preterm",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Salt; Excess",
        "Blood Pressure Disorders"
      ],
      "interventions": [
        {
          "name": "Allopurinol",
          "type": "DRUG"
        },
        {
          "name": "Dietary Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "33 Years",
        "sex": "ALL",
        "summary": "22 Years to 33 Years"
      },
      "enrollment_count": 120,
      "start_date": "2020-09-02",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-10-10T05:05:10.992Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04026776"
    },
    {
      "nct_id": "NCT03990363",
      "title": "A Study of Verinurad and Allopurinol in Patients With Chronic Kidney Disease and Hyperuricaemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Verinurad",
          "type": "DRUG"
        },
        {
          "name": "Allopurinol",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Verinurad",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Allopurinol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 861,
      "start_date": "2019-07-23",
      "completion_date": "2021-11-22",
      "has_results": true,
      "last_update_posted_date": "2023-03-02",
      "last_synced_at": "2026-10-10T05:05:10.992Z",
      "location_count": 54,
      "location_summary": "Huntsville, Alabama • Bakersfield, California • Canyon Country, California + 45 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Canyon Country",
          "state": "California"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03990363"
    },
    {
      "nct_id": "NCT03570983",
      "title": "A Trial Comparing Single Agent Melphalan to Carmustine, Etoposide, Cytarabine, and Melphalan (BEAM) as a Preparative Regimen for Patients With Multiple Myeloma Undergoing High Dose Therapy Followed by Autologous Stem Cell Reinfusion",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Allopurinol",
          "type": "DRUG"
        },
        {
          "name": "Carmustine",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Cytarabine",
          "type": "DRUG"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Swedish Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 100,
      "start_date": "2018-09-05",
      "completion_date": "2024-12",
      "has_results": false,
      "last_update_posted_date": "2022-06-22",
      "last_synced_at": "2026-10-10T05:05:10.992Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03570983"
    },
    {
      "nct_id": "NCT00039130",
      "title": "Rituximab, Chemotherapy, and Filgrastim in Treating Patients With Burkitt's Lymphoma or Burkitt's Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "cytarabine",
          "type": "DRUG"
        },
        {
          "name": "dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "prednisone",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "Allopurinol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2002-05",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2023-08-21",
      "last_synced_at": "2026-10-10T05:05:10.992Z",
      "location_count": 31,
      "location_summary": "San Diego, California • Lewes, Delaware • Newark, Delaware + 25 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Lewes",
          "state": "Delaware"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00039130"
    },
    {
      "nct_id": "NCT01808131",
      "title": "Lesinurad and Allopurinol Combination Extension Study in Gout",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gout"
      ],
      "interventions": [
        {
          "name": "Lesinurad",
          "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": 717,
      "start_date": "2013-02",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2017-01-24",
      "last_synced_at": "2026-10-10T05:05:10.992Z",
      "location_count": 151,
      "location_summary": "Birmingham, Alabama • Gulf Shores, Alabama • Pinson, Alabama + 125 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gulf Shores",
          "state": "Alabama"
        },
        {
          "city": "Pinson",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01808131"
    }
  ]
}