{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ZD1839+%28IRESSA%29",
    "query": {
      "intervention": "ZD1839 (IRESSA)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 136,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ZD1839+%28IRESSA%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T16:32:03.216Z",
  "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": "NCT00084708",
      "title": "Calcitriol and Gefitinib With or Without Dexamethasone in Treating Patients With Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "calcitriol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "gefitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 53,
      "start_date": "2002-11",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2014-01-13",
      "last_synced_at": "2026-09-26T16:32:03.216Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00084708"
    },
    {
      "nct_id": "NCT00135135",
      "title": "Therapy for Children With Neuroblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "Gefitinib, Irinotecan, Cycophosphamide, Doxorubicin, Etoposide, Cisplatin, Topotecan, Carboplatin, Melphalan, 13-cis retinoic acid",
          "type": "DRUG"
        },
        {
          "name": "Radiation therapy, Surgery, Peripheral Stem cell transplant",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 23,
      "start_date": "2005-08",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2008-06-03",
      "last_synced_at": "2026-09-26T16:32:03.216Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00135135"
    },
    {
      "nct_id": "NCT00083057",
      "title": "Gefitinib, Paclitaxel, and Radiation Therapy in Treating Patients With Advanced or Recurrent Squamous Cell Carcinoma of the Head and Neck",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "gefitinib",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2004-05",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2012-03-15",
      "last_synced_at": "2026-09-26T16:32:03.216Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00083057"
    },
    {
      "nct_id": "NCT00519077",
      "title": "Phase II Study of Skin Toxicity Dosing of IRESSA (Gefitinib) in Squamous Cell Carcinoma of the Head and Neck",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Neoplasms"
      ],
      "interventions": [
        {
          "name": "Gefitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2005-03",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2016-07-01",
      "last_synced_at": "2026-09-26T16:32:03.216Z",
      "location_count": 2,
      "location_summary": "Miami, Florida • Chicago, Illinois",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00519077"
    },
    {
      "nct_id": "NCT00215202",
      "title": "Phase II Trial of ZD1839 (Iressa) in Patients With Nonresectable Adrenocortical Carcinoma (ACC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nonresectable Adrenocortical Carcinoma"
      ],
      "interventions": [
        {
          "name": "Iressa (ZD1839)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2004-08",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2018-05-17",
      "last_synced_at": "2026-09-26T16:32:03.216Z",
      "location_count": 4,
      "location_summary": "Louisville, Kentucky • Boston, Massachusetts • Lebanon, New Hampshire + 1 more",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00215202"
    },
    {
      "nct_id": "NCT00026364",
      "title": "ZD 1839 Plus Combination Chemotherapy in Treating Patients With Locally Advanced, Locally Recurrent, or Metastatic Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "gefitinib",
          "type": "DRUG"
        },
        {
          "name": "irinotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2001-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-03-21",
      "last_synced_at": "2026-09-26T16:32:03.216Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00026364"
    },
    {
      "nct_id": "NCT00048087",
      "title": "Iressa/Docetaxel in Non-Small-Cell Lung Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "ZD1839",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2002-08",
      "completion_date": "2003-07",
      "has_results": false,
      "last_update_posted_date": "2012-07-31",
      "last_synced_at": "2026-09-26T16:32:03.216Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00048087"
    },
    {
      "nct_id": "NCT00467077",
      "title": "Gefitinib and PEG-Interferon Alfa-2b in Treating Patients With Unresectable or Metastatic Kidney Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Cancer"
      ],
      "interventions": [
        {
          "name": "PEG-interferon alfa-2b",
          "type": "BIOLOGICAL"
        },
        {
          "name": "gefitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "California Cancer Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 21,
      "start_date": "2004-09",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2017-03-17",
      "last_synced_at": "2026-09-26T16:32:03.216Z",
      "location_count": 3,
      "location_summary": "Duarte, California • Los Angeles, California • Sacramento, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00467077"
    },
    {
      "nct_id": "NCT00040781",
      "title": "Gefitinib in Treating Children With Refractory Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "gefitinib",
          "type": "DRUG"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 45,
      "start_date": "2002-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-23",
      "last_synced_at": "2026-09-26T16:32:03.216Z",
      "location_count": 1,
      "location_summary": "Arcadia, California",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00040781"
    },
    {
      "nct_id": "NCT00372515",
      "title": "High Dose Gefitinib for the Treatment of Carcinomatous Meningitis in Adult Patients With Non-Small Cell Lung Cancer and Known or Suspected EGFR Mutations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Gefitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "David M. Jackman, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2006-06",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2018-01-31",
      "last_synced_at": "2026-09-26T16:32:03.216Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00372515"
    }
  ]
}