{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Natural+killer+%28NK%29+cells&page=2",
    "query": {
      "intervention": "Natural killer (NK) cells",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 174,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Natural+killer+%28NK%29+cells&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Natural+killer+%28NK%29+cells&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T05:49:55.437Z",
  "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": "NCT01875601",
      "title": "NK White Blood Cells and Interleukin in Children and Young Adults With Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Solid Tumors",
        "Brain Tumors",
        "Sarcoma",
        "Pediatric Cancers",
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "Recombinant human interleukin-15 (rhIL-15)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "NK Cell Infusion",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "2 Years to 29 Years"
      },
      "enrollment_count": 16,
      "start_date": "2013-06-11",
      "completion_date": "2015-09-08",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-10-03T05:49:55.437Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01875601"
    },
    {
      "nct_id": "NCT02639832",
      "title": "A Pilot Surveillance Study to Monitor Natural Killer Cells and Circulating Tumor Cells in Women With Previously Treated Non-metastatic Triple Negative Breast Cancer and Women With Previously Treated Non-metastatic Breast Cancer With a Confirmed BRCA Mutation.",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Triple Negative Breast Cancer",
        "Natural Killer Cells",
        "BRCA Mutation"
      ],
      "interventions": [
        {
          "name": "LiquidBiopsy®, NK VueTM",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cynvenio Biosystems",
      "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": 210,
      "start_date": "2015-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-08-08",
      "last_synced_at": "2026-10-03T05:49:55.437Z",
      "location_count": 1,
      "location_summary": "Westlake Village, California",
      "locations": [
        {
          "city": "Westlake Village",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02639832"
    },
    {
      "nct_id": "NCT01147380",
      "title": "Safety Study of Liver Natural Killer Cell Therapy for Hepatoma Liver Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Liver Cirrhosis",
        "Hepatocellular Carcinoma",
        "Evidence of Liver Transplantation"
      ],
      "interventions": [
        {
          "name": "Liver NK cell inoculation",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Seigo Nishida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2010-06",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2016-03-10",
      "last_synced_at": "2026-10-03T05:49:55.437Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01147380"
    },
    {
      "nct_id": "NCT07285668",
      "title": "Prophylactic TCRaB+ and CD19+ Depleted Donor Lymphocyte Infusion After Allogeneic Stem Cell Transplant in High-Risk Patients With Hematologic Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematologic Malignancies"
      ],
      "interventions": [
        {
          "name": "Allogeneic donor TCRαβ+/CD19+ cell-depleted peripheral blood mononuclear cells",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 38,
      "start_date": "2026-02-26",
      "completion_date": "2031-02",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-03T05:49:55.437Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07285668"
    },
    {
      "nct_id": "NCT02280525",
      "title": "Cord Blood Natural Killer (NK) Cells in Leukemia/Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "NK Cells",
          "type": "PROCEDURE"
        },
        {
          "name": "Cytarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 8,
      "start_date": "2015-03-05",
      "completion_date": "2019-07-09",
      "has_results": false,
      "last_update_posted_date": "2023-06-07",
      "last_synced_at": "2026-10-03T05:49:55.437Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02280525"
    },
    {
      "nct_id": "NCT05069935",
      "title": "FT538 in Combination With Monoclonal Antibodies in Advanced Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Solid Tumor, Adult"
      ],
      "interventions": [
        {
          "name": "FT538",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Monoclonal antibody - Dose Escalation",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Monoclonal antibody - Dose Expansion",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Fate Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2021-10-15",
      "completion_date": "2023-08-11",
      "has_results": false,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-10-03T05:49:55.437Z",
      "location_count": 4,
      "location_summary": "Hackensack, New Jersey • Nashville, Tennessee • Houston, Texas + 1 more",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05069935"
    },
    {
      "nct_id": "NCT05712278",
      "title": "A Study to Investigate Use of Off-the-shelf Natural Killer (NK) Cells (SAR445419) in Relapsed/Refractory Acute Myeloid Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Myeloid Leukaemia"
      ],
      "interventions": [
        {
          "name": "SAR445419",
          "type": "DRUG"
        },
        {
          "name": "fludarabine",
          "type": "DRUG"
        },
        {
          "name": "cytarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2023-06-16",
      "completion_date": "2024-03-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-10-03T05:49:55.437Z",
      "location_count": 3,
      "location_summary": "Omaha, Nebraska • The Bronx, New York • Houston, Texas",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05712278"
    },
    {
      "nct_id": "NCT00877110",
      "title": "Anti-GD2 3F8 Antibody and Allogeneic Natural Killer Cells for High-Risk Neuroblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuroblastoma",
        "Bone Marrow, Sympathetic Nervous System"
      ],
      "interventions": [
        {
          "name": "cyclophosphamide, vincristine, topotecan ,allogeneic NK cells & 3F8",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 71,
      "start_date": "2009-04-02",
      "completion_date": "2019-01-07",
      "has_results": false,
      "last_update_posted_date": "2019-01-10",
      "last_synced_at": "2026-10-03T05:49:55.437Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00877110"
    },
    {
      "nct_id": "NCT03941262",
      "title": "Safety of SNK01 in Subjects With Pathologically Confirmed Metastatic and/or Unresectable Cancer Refractory to Conventional Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Refractory Cancer",
        "Metastatic Cancer",
        "Recurrent Cancer",
        "Unresectable Carcinoma",
        "Solid Tumor, Adult",
        "Advanced Cancer",
        "Advanced Solid Tumor"
      ],
      "interventions": [
        {
          "name": "SNK01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Avelumab",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "NKGen Biotech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 27,
      "start_date": "2019-07-15",
      "completion_date": "2023-02-17",
      "has_results": false,
      "last_update_posted_date": "2023-11-13",
      "last_synced_at": "2026-10-03T05:49:55.437Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03941262"
    },
    {
      "nct_id": "NCT05580601",
      "title": "Cytokine-Induced Memory-Like Natural Killer Cells (CIML-NK) for Relapsed & Refractory Acute Myeloid Leukemia (AML)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "CIML-NK Cells",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2023-05-05",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-10-03T05:49:55.437Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05580601"
    }
  ]
}