{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=topotecan+hydrochloride&page=4",
    "query": {
      "intervention": "topotecan hydrochloride",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 328,
    "total_pages": 33,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=topotecan+hydrochloride&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=topotecan+hydrochloride&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T10:59:38.058Z",
  "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": "NCT01266447",
      "title": "Veliparib, Topotecan Hydrochloride, and Filgrastim or Pegfilgrastim in Treating Patients With Persistent or Recurrent Cervical Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cervical Adenocarcinoma",
        "Cervical Adenosquamous Carcinoma",
        "Cervical Small Cell Carcinoma",
        "Cervical Squamous Cell Carcinoma",
        "Recurrent Cervical Carcinoma",
        "Stage III Cervical Cancer",
        "Stage IVA Cervical Cancer",
        "Stage IVB Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pegfilgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Topotecan Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Veliparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "DRUG"
      ],
      "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": 27,
      "start_date": "2011-02",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2019-08-08",
      "last_synced_at": "2026-10-02T10:59:38.058Z",
      "location_count": 78,
      "location_summary": "Orange, California • Aurora, Colorado • Hartford, Connecticut + 56 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "New Britain",
          "state": "Connecticut"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01266447"
    },
    {
      "nct_id": "NCT00004221",
      "title": "Combination Chemotherapy and Peripheral Stem Cell Transplantation in Treating Patients With Stage III Ovarian Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Malignant Ovarian Mixed Epithelial Tumor",
        "Ovarian Clear Cell Cystadenocarcinoma",
        "Ovarian Endometrioid Adenocarcinoma",
        "Ovarian Mucinous Cystadenocarcinoma",
        "Ovarian Serous Cystadenocarcinoma",
        "Primary Peritoneal Carcinoma",
        "Stage III Ovarian Cancer",
        "Undifferentiated Ovarian Carcinoma"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Blood Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Topotecan Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 12,
      "start_date": "1999-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-08-09",
      "last_synced_at": "2026-10-02T10:59:38.058Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004221"
    },
    {
      "nct_id": "NCT00257816",
      "title": "Weekly IV Topotecan and Cisplatin With Radiation in Cervical Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "Topotecan",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Irvine",
      "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": 12,
      "start_date": "2004-01",
      "completion_date": "2007-12-17",
      "has_results": false,
      "last_update_posted_date": "2018-02-05",
      "last_synced_at": "2026-10-02T10:59:38.058Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00257816"
    },
    {
      "nct_id": "NCT00100477",
      "title": "Use of Topotecan in Patients With Refractory Acute Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-Hodgkin's Lymphoma",
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "Topotecan",
          "type": "DRUG"
        },
        {
          "name": "Mitozantrone",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 10,
      "start_date": "1998-08",
      "completion_date": "2001-06",
      "has_results": false,
      "last_update_posted_date": "2013-09-25",
      "last_synced_at": "2026-10-02T10:59:38.058Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00100477"
    },
    {
      "nct_id": "NCT05153239",
      "title": "Clinical Trial of Lurbinectedin as Single-agent or in Combination With Irinotecan Versus Topotecan or Irinotecan in Patients With Relapsed Small-cell Lung Cancer (LAGOON)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Relapsed Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Lurbinectedin",
          "type": "DRUG"
        },
        {
          "name": "Topotecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "PharmaMar",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 705,
      "start_date": "2022-07-22",
      "completion_date": "2026-04-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-02T10:59:38.058Z",
      "location_count": 15,
      "location_summary": "Chandler, Arizona • Hot Springs, Arkansas • Fort Myers, Florida + 12 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05153239"
    },
    {
      "nct_id": "NCT00004137",
      "title": "S9914: Combination Chemotherapy Plus Filgrastim in Untreated Extensive-Stage Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "topotecan hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "1999-10",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2013-02-15",
      "last_synced_at": "2026-10-02T10:59:38.058Z",
      "location_count": 85,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 55 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004137"
    },
    {
      "nct_id": "NCT00003156",
      "title": "Topotecan in Treating Patients With Recurrent or Refractory Cancer of the Uterus",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "topotecan hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": null,
      "start_date": "1998-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-04-11",
      "last_synced_at": "2026-10-02T10:59:38.058Z",
      "location_count": 45,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Los Gatos, California + 39 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Gatos",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003156"
    },
    {
      "nct_id": "NCT00322751",
      "title": "Concurrent Radiotherapy With Weekly Topotecan for Primary Treatment of Inoperable Localized Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Topotecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2006-04",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2010-01-07",
      "last_synced_at": "2026-10-02T10:59:38.058Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00322751"
    },
    {
      "nct_id": "NCT04994977",
      "title": "Intra-Arterial Chemotherapy for Newly Diagnosed, Residual, or Recurrent Atypical Choroid Plexus Papilloma and Choroid Plexus Carcinoma Prior to Second-Look Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Atypical Choroid Plexus Papilloma",
        "Choroid Plexus Carcinoma"
      ],
      "interventions": [
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Topotecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "0 Years to 100 Years"
      },
      "enrollment_count": 1,
      "start_date": "2023-05-04",
      "completion_date": "2025-12-01",
      "has_results": true,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-10-02T10:59:38.058Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04994977"
    },
    {
      "nct_id": "NCT01231906",
      "title": "Combination Chemotherapy in Treating Patients With Non-Metastatic Extracranial Ewing Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Localized Extraskeletal Ewing Sarcoma",
        "Peripheral Primitive Neuroectodermal Tumor of Bone",
        "Peripheral Primitive Neuroectodermal Tumor of Soft Tissues"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Dexrazoxane",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Topotecan Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "Up to 50 Years"
      },
      "enrollment_count": 642,
      "start_date": "2010-11-24",
      "completion_date": "2025-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-10-02T10:59:38.058Z",
      "location_count": 215,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 149 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01231906"
    }
  ]
}