{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=fulvestrant&page=17",
    "query": {
      "intervention": "fulvestrant",
      "page": 17
    },
    "page_size": 10
  },
  "pagination": {
    "page": 17,
    "page_size": 10,
    "total_count": 294,
    "total_pages": 30,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=fulvestrant&page=18&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=fulvestrant&page=16&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-28T14:26:08.228Z",
  "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": "NCT00390455",
      "title": "Fulvestrant With or Without Lapatinib in Treating Postmenopausal Women With Stage III or Stage IV Breast Cancer That is Hormone Receptor-Positive",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Estrogen Receptor Positive",
        "HER2 Positive Breast Carcinoma",
        "HER2/Neu Negative",
        "Progesterone Receptor Positive",
        "Recurrent Breast Carcinoma",
        "Stage IIIB Breast Cancer AJCC v7",
        "Stage IIIC Breast Cancer AJCC v7",
        "Stage IV Breast Cancer AJCC v6 and v7"
      ],
      "interventions": [
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Lapatinib Ditosylate",
          "type": "DRUG"
        },
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 295,
      "start_date": "2006-09-15",
      "completion_date": "2014-07-02",
      "has_results": true,
      "last_update_posted_date": "2019-12-20",
      "last_synced_at": "2026-10-28T14:26:08.228Z",
      "location_count": 368,
      "location_summary": "Little Rock, Arkansas • Arroyo Grande, California • Burbank, California + 259 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Arroyo Grande",
          "state": "California"
        },
        {
          "city": "Arroyo Grande",
          "state": "California"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Castro Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00390455"
    },
    {
      "nct_id": "NCT05608252",
      "title": "VS-6766+Abema+Fulv in Met HR+/HER- BC",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Hormone Receptor-positive Breast Cancer",
        "Hormone Receptor Positive HER-2 Negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "VS-6766",
          "type": "DRUG"
        },
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Adrienne G. Waks",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 63,
      "start_date": "2023-02-23",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-10-28T14:26:08.228Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05608252"
    },
    {
      "nct_id": "NCT00138125",
      "title": "Fulvestrant and/or Trastuzumab as First-Line Therapy in Treating Postmenopausal Women With Stage IV Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Faslodex",
          "type": "DRUG"
        },
        {
          "name": "Herceptin",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Translational Oncology Research International",
      "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": 2,
      "start_date": "2005-04",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-10-28T14:26:08.228Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Redondo Beach, California • San Antonio, Texas",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Redondo Beach",
          "state": "California"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00138125"
    },
    {
      "nct_id": "NCT03633331",
      "title": "Testing the Effects of Palbociclib and Fulvestrant or Letrozole for Patients 70 Years of Age of Older With Metastatic Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Estrogen Receptor-positive Breast Cancer",
        "HER2/Neu Negative",
        "Stage IV Breast Cancer AJCC v6 and v7"
      ],
      "interventions": [
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 93,
      "start_date": "2018-08-15",
      "completion_date": "2026-02-27",
      "has_results": true,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-28T14:26:08.228Z",
      "location_count": 447,
      "location_summary": "Anchorage, Alaska • Kingman, Arizona • Arroyo Grande, California + 303 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03633331"
    },
    {
      "nct_id": "NCT02374099",
      "title": "Study to Assess the Efficacy and Safety of the Epigenetic Modifying Effects of CC-486 (Oral Azacitidine) in Combination With Fulvestrant",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Neoplasms"
      ],
      "interventions": [
        {
          "name": "CC-486",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Celgene",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 97,
      "start_date": "2015-03-13",
      "completion_date": "2017-11-21",
      "has_results": true,
      "last_update_posted_date": "2018-12-14",
      "last_synced_at": "2026-10-28T14:26:08.228Z",
      "location_count": 8,
      "location_summary": "Chandler, Arizona • Scottsdale, Arizona • Fayetteville, Arkansas + 5 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Westwood",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02374099"
    },
    {
      "nct_id": "NCT04862663",
      "title": "Capivasertib + CDK4/6i + Fulvestrant for Advanced/Metastatic HR+/HER2- Breast Cancer (CAPItello-292)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Locally Advanced (Inoperable) or Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Capivasertib",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Ribociclib",
          "type": "DRUG"
        },
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 893,
      "start_date": "2021-05-10",
      "completion_date": "2029-08-14",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-28T14:26:08.228Z",
      "location_count": 40,
      "location_summary": "Tucson, Arizona • Fountain Valley, California • Glendale, California + 35 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Napa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04862663"
    },
    {
      "nct_id": "NCT06239467",
      "title": "First-in-Human Study of OKI-219 in Advanced Solid Tumors and Advanced Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Cancer",
        "Breast Cancer",
        "Advanced Solid Tumors",
        "PI3K Gene Mutation"
      ],
      "interventions": [
        {
          "name": "OKI-219",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "Tucatinib",
          "type": "DRUG"
        },
        {
          "name": "Atirmociclib",
          "type": "DRUG"
        },
        {
          "name": "Ribociclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "OnKure, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2024-02-26",
      "completion_date": "2027-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-28T14:26:08.228Z",
      "location_count": 12,
      "location_summary": "Encinitas, California • La Jolla, California • Los Angeles, California + 9 more",
      "locations": [
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06239467"
    },
    {
      "nct_id": "NCT00126464",
      "title": "Fulvestrant or Tamoxifen in Treating Postmenopausal Women Who Are Undergoing Surgery for Ductal Carcinoma in Situ of the Breast",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "tamoxifen citrate",
          "type": "DRUG"
        },
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "neoadjuvant therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 100,
      "start_date": "2004-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-11-06",
      "last_synced_at": "2026-10-28T14:26:08.228Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00126464"
    },
    {
      "nct_id": "NCT06843967",
      "title": "A Study of Mirdametinib in Combination With Palbociclib in People With Liposarcoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Well Differentiated Liposarcoma",
        "Dedifferentiated Liposarcoma",
        "Liposarcoma",
        "Myxoid Liposarcoma",
        "Round Cell Liposarcoma",
        "Myxoid Pleomorphic Liposarcoma",
        "Pleomorphic Liposarcoma",
        "Unresectable Liposarcoma",
        "Unresectable Dedifferentiated Liposarcoma"
      ],
      "interventions": [
        {
          "name": "Mirdametinib",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2025-02-19",
      "completion_date": "2028-08-19",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-10-28T14:26:08.228Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06843967"
    },
    {
      "nct_id": "NCT06428396",
      "title": "Study of Belzutifan (MK-6482) Plus Fulvestrant for ER+/HER2- Metastatic Breast Cancer (MK-6482-029/LITESPARK-029)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Belzutifan",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Everolimus",
          "type": "DRUG"
        },
        {
          "name": "Exemestane",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2024-11-27",
      "completion_date": "2028-12-25",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-10-28T14:26:08.228Z",
      "location_count": 14,
      "location_summary": "Goodyear, Arizona • Beverly Hills, California • La Jolla, California + 11 more",
      "locations": [
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06428396"
    }
  ]
}