{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Astellas+Pharma+Inc",
    "query": {
      "sponsor": "Astellas Pharma Inc"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 615,
    "total_pages": 62,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Astellas+Pharma+Inc&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T00:10:27.275Z",
  "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": "NCT04482270",
      "title": "A Study to Investigate the Effect of Mild and Moderate Hepatic Impairment on the Safety and Tolerability of Fezolinetant Compared to Participants With Normal Hepatic Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hepatic Impairment",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "fezolinetant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 75 Years · Female only"
      },
      "enrollment_count": 26,
      "start_date": "2020-09-02",
      "completion_date": "2021-03-22",
      "has_results": false,
      "last_update_posted_date": "2024-10-17",
      "last_synced_at": "2026-10-08T00:10:27.275Z",
      "location_count": 4,
      "location_summary": "Clearwater, Florida • Miami, Florida • Orlando, Florida + 1 more",
      "locations": [
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04482270"
    },
    {
      "nct_id": "NCT01977651",
      "title": "A Study to Evaluate the Potential Increased Risk of Seizures Among Metastatic Castration-Resistant Prostate Cancer (mCRPC) Patients Treated With Enzalutamide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Metastatic Castration-resistant Prostate Cancer (mCRPC)"
      ],
      "interventions": [
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 424,
      "start_date": "2013-09-25",
      "completion_date": "2019-01-11",
      "has_results": true,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-10-08T00:10:27.275Z",
      "location_count": 9,
      "location_summary": "Anchorage, Alaska • Detroit, Michigan • New York, New York + 5 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01977651"
    },
    {
      "nct_id": "NCT03315299",
      "title": "Individual Patient Expanded Access Gilteritinib (ASP2215)",
      "overall_status": "NO_LONGER_AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "AML"
      ],
      "interventions": [
        {
          "name": "ASP2215",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Etan Orgel",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "15 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 15 Years · Female only"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2024-02-07",
      "last_synced_at": "2026-10-08T00:10:27.275Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03315299"
    },
    {
      "nct_id": "NCT00650468",
      "title": "A Study to Compare Early Steroid Withdrawal and Long-Term Steroid Maintenance Therapy in Kidney Transplant Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Renal Transplantation"
      ],
      "interventions": [
        {
          "name": "tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "CellCept",
          "type": "DRUG"
        },
        {
          "name": "steroids (methylprednisone or prednisone)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 397,
      "start_date": "1999-11",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2011-11-17",
      "last_synced_at": "2026-10-08T00:10:27.275Z",
      "location_count": 29,
      "location_summary": "Little Rock, Arkansas • Loma Linda, California • Los Angeles, California + 24 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00650468"
    },
    {
      "nct_id": "NCT03395197",
      "title": "Talazoparib + Enzalutamide vs. Enzalutamide Monotherapy in mCRPC",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "mCRPC"
      ],
      "interventions": [
        {
          "name": "Talazoparib with enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Placebo with enzalutamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 1054,
      "start_date": "2017-12-18",
      "completion_date": "2027-06-30",
      "has_results": true,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-08T00:10:27.275Z",
      "location_count": 132,
      "location_summary": "Anchorage, Alaska • Chandler, Arizona • Gilbert, Arizona + 93 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03395197"
    },
    {
      "nct_id": "NCT00282230",
      "title": "A Study to Evaluate the Safety and Efficacy of Prograf/FK778 and Prograf/MMF in de Novo Kidney Transplant Recipients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Transplantation"
      ],
      "interventions": [
        {
          "name": "FK778",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2003-11",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2012-06-07",
      "last_synced_at": "2026-10-08T00:10:27.275Z",
      "location_count": 23,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 19 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00282230"
    },
    {
      "nct_id": "NCT04079296",
      "title": "A Study Investigating the Safety, Tolerability and Efficacy of ASP7517 in Subjects With Relapsed/Refractory Acute Myeloid Leukemia (AML) and Relapsed/Refractory Higher Risk Myelodysplastic Syndrome (MDS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acute Myeloid Leukemia (AML)",
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "ASP7517",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2019-09-19",
      "completion_date": "2023-04-21",
      "has_results": true,
      "last_update_posted_date": "2024-11-26",
      "last_synced_at": "2026-10-08T00:10:27.275Z",
      "location_count": 3,
      "location_summary": "Duarte, California • Pembroke Pines, Florida • New York, New York",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04079296"
    },
    {
      "nct_id": "NCT00060710",
      "title": "CP-461 in the Treatment of Patients With Advanced Melanoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Malignant Melanoma"
      ],
      "interventions": [
        {
          "name": "CP-461",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2003-01",
      "completion_date": "2004-12",
      "has_results": false,
      "last_update_posted_date": "2011-10-17",
      "last_synced_at": "2026-10-08T00:10:27.275Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00060710"
    },
    {
      "nct_id": "NCT02676986",
      "title": "Short-term Preoperative Treatment With Enzalutamide, Alone or in Combination With Exemestane in Primary Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Primary Breast Cancer ER+ve",
        "Primary Breast Cancer AR+ve TNBN"
      ],
      "interventions": [
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Exemestane",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Queen Mary University of London",
      "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": 221,
      "start_date": "2015-08-10",
      "completion_date": "2016-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-07-05",
      "last_synced_at": "2026-10-08T00:10:27.275Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02676986"
    },
    {
      "nct_id": "NCT00293917",
      "title": "A Study to Assess the Long-Term Safety of Tacrolimus Cream in the Treatment of Psoriasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Psoriasis"
      ],
      "interventions": [
        {
          "name": "Tacrolimus Cream",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 658,
      "start_date": "2006-01",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2008-02-13",
      "last_synced_at": "2026-10-08T00:10:27.275Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Fresno, California • Santa Monica, California + 26 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Vista",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00293917"
    }
  ]
}