{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Extrapulmonary+Small+Cell+Neuroendocrine+Carcinoma",
    "query": {
      "condition": "Extrapulmonary Small Cell Neuroendocrine Carcinoma"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 14,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Extrapulmonary+Small+Cell+Neuroendocrine+Carcinoma&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T06:47:06.985Z",
  "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": "NCT03896503",
      "title": "Randomized Trial of Topotecan With M6620, an ATR Kinase Inhibitor, in Small Cell Lung Cancers and Small Cell Cancers Outside of the Lungs",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Extensive Stage Lung Small Cell Carcinoma",
        "Extrapulmonary Small Cell Neuroendocrine Carcinoma",
        "Limited Stage Lung Small Cell Carcinoma",
        "Platinum-Resistant Lung Small Cell Carcinoma",
        "Platinum-Sensitive Lung Small Cell Carcinoma",
        "Recurrent Lung Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Berzosertib",
          "type": "DRUG"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Topotecan Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "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": 104,
      "start_date": "2019-12-30",
      "completion_date": "2026-06-23",
      "has_results": true,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-05-22T06:47:06.985Z",
      "location_count": 33,
      "location_summary": "Los Angeles, California • Newport Beach, California • Sacramento, California + 26 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03896503"
    },
    {
      "nct_id": "NCT07509034",
      "title": "Autologous B7-H3 Chimeric Antigen Receptor T Cells in Previously Treated Extensive-Stage Small Cell Lung Cancer With Recurrent or Refractory Disease",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Extensive-Stage Small Cell Lung Cancer",
        "Extrapulmonary Neuroendocrine Carcinoma",
        "Recurrent or Refractory",
        "Solid Tumors"
      ],
      "interventions": [
        {
          "name": "Autologous B7-H3 CAR T",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 40,
      "start_date": "2026-05-25",
      "completion_date": "2031-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-05-22T06:47:06.985Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07509034"
    },
    {
      "nct_id": "NCT07328490",
      "title": "Bispecific T-Cell Engager Tarlatamab and TROP2 Targeted Antibody Drug Conjugate Sacituzumab Govitecan in Previously Treated Extensive-Stage Small Cell Lung Cancer and Extrapulmonary Neuroendocrine Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Extensive-Stage Small Cell Lung Cancer",
        "Extrapulmonary Neuroendocrine Carcinoma",
        "Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Tarlatamab",
          "type": "DRUG"
        },
        {
          "name": "Sacituzumab Govitecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 0,
      "start_date": "2026-04-25",
      "completion_date": "2026-04-25",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-05-22T06:47:06.985Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07328490"
    },
    {
      "nct_id": "NCT02146170",
      "title": "Tissue Procurement and Natural History Study of People With Non-Small Cell Lung Cancer, Small Cell Lung Cancer, Extrapulmonary Small Cell Cancer, Pulmonary Neuroendocrine Tumors, and Thymic Epithelial Tumors",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-Small Cell Lung Cancer",
        "Small Cell Lung Cancer",
        "Extrapulmonary Small Cell Cancer",
        "Pulmonary Neuroendocrine Tumors",
        "Thymic Epithelial Tumors"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 2000,
      "start_date": "2014-05-28",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-05-22T06:47:06.985Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02146170"
    },
    {
      "nct_id": "NCT05420636",
      "title": "Iadademstat in Combination With Paclitaxel in Relapsed/Refractory SCLC and Extrapulmonary High Grade NET",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Small-cell Lung Cancer",
        "Neuroendocrine Carcinoma"
      ],
      "interventions": [
        {
          "name": "Iadademstat",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Fox Chase 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": 20,
      "start_date": "2022-12-21",
      "completion_date": "2025-07-23",
      "has_results": false,
      "last_update_posted_date": "2025-07-30",
      "last_synced_at": "2026-05-22T06:47:06.985Z",
      "location_count": 3,
      "location_summary": "Buffalo, New York • Philadelphia, Pennsylvania • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05420636"
    },
    {
      "nct_id": "NCT04010357",
      "title": "Targeted Therapy With CDK4/6 Inhibitors in Chemo-Refractory, Rb Wild-Type Extensive SCLC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Small-cell Lung Cancer",
        "Large Cell Neuroendocrine Carcinoma of the Lung",
        "Extrapulmonary Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Abemaciclib,",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2020-01-13",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-05-22T06:47:06.985Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04010357"
    },
    {
      "nct_id": "NCT05652686",
      "title": "A Study of Peluntamig (PT217) in Patients With Neuroendocrine Carcinomas Expressing DLL3 (the SKYBRIDGE Study)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Small Cell Lung Cancer (SCLC)",
        "Large Cell Neuroendocrine Cancer (LCNEC)",
        "Neuroendocrine Prostate Cancer (NEPC)",
        "Gastroenteropancreatic Neuroendocrine Carcinoma (GEP-NEC)",
        "Neuroendocrine Carcinomas (NEC)",
        "Extrapulmonary Neuroendocrine Carcinoma (EP-NEC)"
      ],
      "interventions": [
        {
          "name": "Peluntamig (PT217)",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin + Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel.",
          "type": "DRUG"
        },
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Phanes Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 203,
      "start_date": "2023-09-05",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-05-22T06:47:06.985Z",
      "location_count": 12,
      "location_summary": "Duarte, California • Denver, Colorado • Baltimore, Maryland + 8 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05652686"
    },
    {
      "nct_id": "NCT07488923",
      "title": "A First-in-human (FIH), Phase 1 Study of ML261, an Autologous Potency Enhanced Anti-DLL3 CAR T Cell Therapy, in Participants With R/R SCLC or Select NECs (SPECTRAL-1)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Small Cell Lung Cancer (SCLC )",
        "Extrapulmonary Neuroendocrine Carcinoma (EP-NEC)",
        "Gastroenteropancreatic NEC (GEP NEC)",
        "Neuroendocrine Prostate Cancer (NEPC)"
      ],
      "interventions": [
        {
          "name": "ML261",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Moonlight Bio, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2026-05",
      "completion_date": "2030-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-05-22T06:47:06.985Z",
      "location_count": 3,
      "location_summary": "Hackensack, New Jersey • New York, New York • Nashville, Tennessee",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07488923"
    },
    {
      "nct_id": "NCT07278479",
      "title": "Study of [212Pb]Pb-DOTAM-MAM279 ([212Pb]Pb-MP0712) in Patients With Small Cell Lung Cancer and Other DLL3 Expressing Solid Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Large Cell Neuroendocrine Carcinoma",
        "Large Cell Pulmonary Neuroendocrine Carcinoma of the Lung (LCNEC)",
        "Extrapulmonary Neuroendocrine Carcinoma (EP-NEC)",
        "Small Cell Lung Cancer (SCLC)",
        "Gastroenteropancreatic NEC (GEP NEC)",
        "NEC of the Bladder",
        "Other DLL3 Expressing epNEC"
      ],
      "interventions": [
        {
          "name": "[212Pb]Pb-MP0712",
          "type": "DRUG"
        },
        {
          "name": "[203Pb]Pb-MP0712",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Molecular Partners AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 138,
      "start_date": "2026-04",
      "completion_date": "2032-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-05-22T06:47:06.985Z",
      "location_count": 3,
      "location_summary": "Glen Burnie, Maryland • Omaha, Nebraska • Princeton, New Jersey",
      "locations": [
        {
          "city": "Glen Burnie",
          "state": "Maryland"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Princeton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07278479"
    },
    {
      "nct_id": "NCT02487095",
      "title": "Trial of Topotecan With VX-970 (M6620), an ATR Kinase Inhibitor, in Small Cell Cancers and Extrapulmonary Small Cell Cancers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Carcinoma, Non-Small -Cell Lung",
        "Ovarian Neoplasms",
        "Small Cell Lung Carcinoma",
        "Uterine Cervical Neoplasms",
        "Carcinoma, Neuroendocrine",
        "Extrapulmonary Small Cell Cancer"
      ],
      "interventions": [
        {
          "name": "Topotecan",
          "type": "DRUG"
        },
        {
          "name": "VX-970 (M6620)",
          "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": 62,
      "start_date": "2015-07-30",
      "completion_date": "2024-12-26",
      "has_results": true,
      "last_update_posted_date": "2025-04-13",
      "last_synced_at": "2026-05-22T06:47:06.985Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02487095"
    }
  ]
}