{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Natural+killer+%28NK%29+cells&page=5",
    "query": {
      "intervention": "Natural killer (NK) cells",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "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=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Natural+killer+%28NK%29+cells&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T14:04:26.836Z",
  "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": "NCT00640796",
      "title": "Pilot Study of Expanded, Donor Natural Killer Cell Infusions for Refractory Non-B Lineage Hematologic Malignancies and Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia, Myeloid, Acute",
        "Leukemia, Lymphocytic, Acute, T-Cell",
        "Juvenile Myelomonocytic Leukemia Lymphoblastic",
        "T-cell Lymphoblastic Lymphoma",
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Haploidentical donor derived natural killer cell infusion",
          "type": "PROCEDURE"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "CliniMACS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "DEVICE"
      ],
      "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": 22,
      "start_date": "2008-09",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2014-04-24",
      "last_synced_at": "2026-10-11T14:04:26.836Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00640796"
    },
    {
      "nct_id": "NCT04900454",
      "title": "Allogeneic Natural Killer (NK) Cell Therapy in Subjects Hospitalized for COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COVID-19 Pneumonia"
      ],
      "interventions": [
        {
          "name": "DVX201",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Coeptis Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 12,
      "start_date": "2021-08-01",
      "completion_date": "2022-07-01",
      "has_results": false,
      "last_update_posted_date": "2024-04-08",
      "last_synced_at": "2026-10-11T14:04:26.836Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04900454"
    },
    {
      "nct_id": "NCT01106950",
      "title": "Haploidentical Natural Killer Cells to Treat Refractory or Relapsed Acute Myelogenous Leukemia (AML)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia, Myelogenous, Acute"
      ],
      "interventions": [
        {
          "name": "Natural Killer Cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Denileukin diftitox",
          "type": "DRUG"
        },
        {
          "name": "Donor lymphapheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "IL-2",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2010-07",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2017-12-28",
      "last_synced_at": "2026-10-11T14:04:26.836Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01106950"
    },
    {
      "nct_id": "NCT04220684",
      "title": "Trial Testing Safety of IL-21 NK Cells for Induction of R/R AML",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Allogeneic Stem Cell Transplant Recipient",
        "Blasts 10 Percent or More of Bone Marrow Nucleated Cells",
        "Recurrent Acute Myeloid Leukemia",
        "Refractory Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Cytarabine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Membrane-bound Interleukin-21-Expanded Haploidentical Natural Killer Cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Sumithira Vasu",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2020-06-11",
      "completion_date": "2024-10-22",
      "has_results": false,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-10-11T14:04:26.836Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio • Portland, Oregon",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04220684"
    },
    {
      "nct_id": "NCT04489420",
      "title": "Natural Killer Cell (CYNK-001) IV Infusion or IT Administration in Adults With Recurrent GBM",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Astrocytoma, Grade IV",
        "Giant Cell Glioblastoma",
        "Glioblastoma Multiforme",
        "Cyclophosphamide",
        "Immunosuppressive Agents",
        "Immunologic Factors",
        "Physiological Effects of Drugs",
        "Molecular Mechanisms of Pharmacological Action",
        "Antiviral Agents",
        "Anti-infective Agents",
        "Analgesics, Non-narcotic",
        "Analgesics",
        "Sensory System Agents",
        "Peripheral Nervous System Agents"
      ],
      "interventions": [
        {
          "name": "CYNK001-IV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CYNK001-IT",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Celularity Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2020-10-01",
      "completion_date": "2021-08-10",
      "has_results": false,
      "last_update_posted_date": "2022-08-10",
      "last_synced_at": "2026-10-11T14:04:26.836Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04489420"
    },
    {
      "nct_id": "NCT00187096",
      "title": "Natural Killer (NK) Cell Transplantation for AML",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide, Fludarabine, Clofarabine, Etoposide, Interleukin-2",
          "type": "DRUG"
        },
        {
          "name": "Natural Killer Cell Infusion",
          "type": "PROCEDURE"
        },
        {
          "name": "CliniMACS System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 49,
      "start_date": "2005-09",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2014-06-19",
      "last_synced_at": "2026-10-11T14:04:26.836Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00187096"
    },
    {
      "nct_id": "NCT01390402",
      "title": "Alloreactive Haploidentical Natural Killer (NK) Cells With Busulfan and Fludarabine/ATG",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Chronic Myelogenous Leukemia"
      ],
      "interventions": [
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "NK cell infusion:",
          "type": "PROCEDURE"
        },
        {
          "name": "Interleukin-2",
          "type": "DRUG"
        },
        {
          "name": "Anti-Thymocyte Globulin",
          "type": "DRUG"
        },
        {
          "name": "Allogeneic related Stem Cell Transplant",
          "type": "PROCEDURE"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "G-CSF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "Up to 70 Years"
      },
      "enrollment_count": 6,
      "start_date": "2012-01",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2016-02-03",
      "last_synced_at": "2026-10-11T14:04:26.836Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01390402"
    },
    {
      "nct_id": "NCT03801902",
      "title": "Testing the Safety of Adding Either Monalizumab (IPH2201) or Oleclumab (MEDI9447) to Durvalumab (MEDI4736) Plus Standard Radiation Therapy for Locally Advanced Non-small Cell Lung Cancer (NSCLC), ARCHON-1 Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Locally Advanced Lung Non-Small Cell Carcinoma",
        "Locally Recurrent Lung Non-Small Cell Carcinoma",
        "Stage II Lung Cancer AJCC v8",
        "Stage III Lung Cancer AJCC v8",
        "Unresectable Lung Non-Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Accelerated Hypofractionated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Durvalumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging of the Brain with and without Contrast",
          "type": "PROCEDURE"
        },
        {
          "name": "Monalizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Oleclumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "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": 26,
      "start_date": "2019-10-28",
      "completion_date": "2025-09-04",
      "has_results": true,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-10-11T14:04:26.836Z",
      "location_count": 56,
      "location_summary": "Atlanta, Georgia • Augusta, Georgia • Boise, Idaho + 42 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03801902"
    },
    {
      "nct_id": "NCT05887882",
      "title": "Intra-Tumoral Injections of Natural Killer Cells for Recurrent Malignant Pediatric Brain Tumors",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pediatric Brain Tumor",
        "Recurrent Pediatric Brain Tumor",
        "Pediatric Neoplasm"
      ],
      "interventions": [
        {
          "name": "Universal Donor (UD) Transforming growth factor beta imprinting (TGFβi) Natural Killer (NK) Cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Implantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Sabine Mueller, MD, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "38 Years",
        "sex": "ALL",
        "summary": "1 Year to 38 Years"
      },
      "enrollment_count": 24,
      "start_date": "2024-05-31",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-10-11T14:04:26.836Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Francisco, California + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05887882"
    },
    {
      "nct_id": "NCT01464359",
      "title": "T-Cell Depleted Double UCB for Refractory AML",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Myelogenous Leukemia",
        "Refractory Acute Myelogenous Leukemia"
      ],
      "interventions": [
        {
          "name": "Allopurinol",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Total body irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Levetiracetam",
          "type": "DRUG"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Umbilical Cord Blood Transplantation",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Interleukin-2",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "BIOLOGICAL"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "2 Years to 45 Years"
      },
      "enrollment_count": 3,
      "start_date": "2011-10",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2017-12-28",
      "last_synced_at": "2026-10-11T14:04:26.836Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01464359"
    }
  ]
}