{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=lesinurad",
    "query": {
      "intervention": "lesinurad"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=lesinurad&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T18:21:49.932Z",
  "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": "NCT01508702",
      "title": "Lesinurad Monotherapy in Gout Subjects Intolerant to Xanthine Oxidase Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gout"
      ],
      "interventions": [
        {
          "name": "lesinurad",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 214,
      "start_date": "2012-01",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2016-02-12",
      "last_synced_at": "2026-09-04T18:21:49.932Z",
      "location_count": 79,
      "location_summary": "Birmingham, Alabama • Glendale, Arizona • Phoenix, Arizona + 71 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01508702"
    },
    {
      "nct_id": "NCT01908257",
      "title": "Lesinurad Interaction Study With Ranitidine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "lesinurad 400 mg",
          "type": "DRUG"
        },
        {
          "name": "ranitidine 150 mg",
          "type": "DRUG"
        },
        {
          "name": "lesinurad 400 mg + ranitidine 150 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ardea Biosciences, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 16,
      "start_date": "2013-07",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2014-01-09",
      "last_synced_at": "2026-09-04T18:21:49.932Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01908257"
    },
    {
      "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": "2026-09-04T18:21:49.932Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02581553"
    },
    {
      "nct_id": "NCT01650246",
      "title": "Open-Label Lesinurad Monotherapy 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": 143,
      "start_date": "2012-08",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2016-05-26",
      "last_synced_at": "2026-09-04T18:21:49.932Z",
      "location_count": 57,
      "location_summary": "Birmingham, Alabama • Glendale, Arizona • Peoria, Arizona + 51 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01650246"
    },
    {
      "nct_id": "NCT01001338",
      "title": "Allopurinol Combination Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gout"
      ],
      "interventions": [
        {
          "name": "RDEA594",
          "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": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 227,
      "start_date": "2009-10",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2017-01-24",
      "last_synced_at": "2026-09-04T18:21:49.932Z",
      "location_count": 25,
      "location_summary": "Phoenix, Arizona • La Jolla, California • Los Angeles, California + 22 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01001338"
    },
    {
      "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": "2026-09-04T18:21:49.932Z",
      "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"
    },
    {
      "nct_id": "NCT01884272",
      "title": "NSAID Drug Interaction Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Gout"
      ],
      "interventions": [
        {
          "name": "lesinurad 400 mg",
          "type": "DRUG"
        },
        {
          "name": "naproxen 250 mg",
          "type": "DRUG"
        },
        {
          "name": "indomethacin 25 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ardea Biosciences, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 24,
      "start_date": "2013-06",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2013-11-08",
      "last_synced_at": "2026-09-04T18:21:49.932Z",
      "location_count": 1,
      "location_summary": "Kalamazoo, Michigan",
      "locations": [
        {
          "city": "Kalamazoo",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01884272"
    },
    {
      "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": "2026-09-04T18:21:49.932Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02888054"
    },
    {
      "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": "2026-09-04T18:21:49.932Z",
      "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"
    },
    {
      "nct_id": "NCT01808144",
      "title": "Lesinurad and Febuxostat Combination Extension Study in Gout",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gout"
      ],
      "interventions": [
        {
          "name": "lesinurad",
          "type": "DRUG"
        },
        {
          "name": "febuxostat",
          "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": 196,
      "start_date": "2013-03-01",
      "completion_date": "2016-10-06",
      "has_results": true,
      "last_update_posted_date": "2018-01-30",
      "last_synced_at": "2026-09-04T18:21:49.932Z",
      "location_count": 55,
      "location_summary": "Birmingham, Alabama • Tempe, Arizona • Glendale, California + 50 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01808144"
    }
  ]
}