{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Haploidentical+Natural+Killer+%28NK%29+Cells",
    "query": {
      "intervention": "Haploidentical Natural Killer (NK) Cells"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 45,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Haploidentical+Natural+Killer+%28NK%29+Cells&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T13:58:03.589Z",
  "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": "NCT03152526",
      "title": "CD3/CD19 Depleted or CD3 Depleted/CD56 Selected Haploidentical Donor Natural Killer (NK) Cell Based Therapy for AML Patients Not in CR",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Myelogenous Leukemia"
      ],
      "interventions": [
        {
          "name": "Interventions",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Miltenyi Biotec B.V. & Co. KG",
      "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": 1,
      "start_date": "2017-10-18",
      "completion_date": "2018-03-21",
      "has_results": true,
      "last_update_posted_date": "2020-07-09",
      "last_synced_at": "2026-09-29T13:58:03.589Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Minneapolis, Minnesota • Columbus, Ohio",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03152526"
    },
    {
      "nct_id": "NCT01593670",
      "title": "Decitabine and Vorinostat Conditioning Followed by CD3-/CD19- NK Cells Infusion for High Risk Myelodysplastic Syndromes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Decitabine",
          "type": "DRUG"
        },
        {
          "name": "Vorinostat",
          "type": "DRUG"
        },
        {
          "name": "Interleukin-2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Natural killer (NK) cells",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 9,
      "start_date": "2013-03",
      "completion_date": "2018-10-23",
      "has_results": true,
      "last_update_posted_date": "2019-05-21",
      "last_synced_at": "2026-09-29T13:58:03.589Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Rochester, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01593670"
    },
    {
      "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": "2026-09-29T13:58:03.589Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00640796"
    },
    {
      "nct_id": "NCT00450983",
      "title": "Donor Peripheral Stem Cell Transplant and Donor Natural Killer Cell Transplant After Total-Body Irradiation, Thiotepa, Fludarabine, and Muromonab-CD3 in Treating Patients With Leukemia or Other Blood Diseases",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Graft Versus Host Disease",
        "Leukemia",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "muromonab-CD3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "natural killer cell therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "thiotepa",
          "type": "DRUG"
        },
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "immunologic technique",
          "type": "OTHER"
        },
        {
          "name": "allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "in vitro-treated peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "total-body irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "GENETIC",
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "Up to 45 Years"
      },
      "enrollment_count": 1,
      "start_date": "2006-12",
      "completion_date": "2010-07",
      "has_results": true,
      "last_update_posted_date": "2017-05-24",
      "last_synced_at": "2026-09-29T13:58:03.589Z",
      "location_count": 2,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00450983"
    },
    {
      "nct_id": "NCT02118285",
      "title": "Intraperitoneal Natural Killer Cells and INCB024360 for Recurrent Ovarian, Fallopian Tube, and Primary Peritoneal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ovarian Cancer",
        "Fallopian Tube Carcinoma",
        "Primary Peritoneal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "NK cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IL-2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "INCB024360",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "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": 2,
      "start_date": "2014-07-28",
      "completion_date": "2015-11-12",
      "has_results": false,
      "last_update_posted_date": "2017-12-05",
      "last_synced_at": "2026-09-29T13:58:03.589Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02118285"
    },
    {
      "nct_id": "NCT01181258",
      "title": "Penostatin, Rituximab and Ontak and Allogeneic Natural Killer (NK) Cells for Refractory Lymphoid Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-Hodgkin Lymphoma",
        "Chronic Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Interleukin-2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Natural killer cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 16,
      "start_date": "2010-08",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2018-02-06",
      "last_synced_at": "2026-09-29T13:58:03.589Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01181258"
    },
    {
      "nct_id": "NCT02100891",
      "title": "Phase 2 STIR Trial: Haploidentical Transplant and Donor Natural Killer Cells for Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ewing Sarcoma",
        "Neuroblastoma",
        "Rhabdomyosarcoma",
        "Osteosarcoma",
        "CNS Tumors"
      ],
      "interventions": [
        {
          "name": "Allogeneic HCT",
          "type": "PROCEDURE"
        },
        {
          "name": "Donor NK Cell Infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Monica Thakar",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 15,
      "start_date": "2013-03-20",
      "completion_date": "2020-07-15",
      "has_results": true,
      "last_update_posted_date": "2025-03-19",
      "last_synced_at": "2026-09-29T13:58:03.589Z",
      "location_count": 2,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02100891"
    },
    {
      "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": "2026-09-29T13:58:03.589Z",
      "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": "NCT00697671",
      "title": "Pilot Study of Haploidentical Natural Killer Cell Infusions for Poor Prognosis Non-AML Hematologic Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Chronic Myelogenous Leukemia",
        "Juvenile Myelomonocytic Leukemia",
        "Myelodysplastic Syndrome",
        "Non-Hodgkin's Lymphoma"
      ],
      "interventions": [
        {
          "name": "NK Cell Infusion",
          "type": "OTHER"
        },
        {
          "name": "Immunotherapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Miltenyi Biotec CliniMACS device",
          "type": "DEVICE"
        },
        {
          "name": "Interleukin-2 (IL-2)",
          "type": "DRUG"
        },
        {
          "name": "Clofarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL",
        "DEVICE",
        "DRUG"
      ],
      "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": 48,
      "start_date": "2007-03",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2013-07-16",
      "last_synced_at": "2026-09-29T13:58:03.589Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00697671"
    },
    {
      "nct_id": "NCT01787474",
      "title": "Donor Natural Killer Cells in Treating Patients With Relapsed or Refractory Acute Myeloid Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Adult Acute Myeloid Leukemia",
        "Refractory Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Cytarabine",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Filgrastim-sndz",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Membrane-bound Interleukin-21-Expanded Haploidentical Natural Killer Cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson 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": 30,
      "start_date": "2014-05-19",
      "completion_date": "2021-06-17",
      "has_results": false,
      "last_update_posted_date": "2021-06-21",
      "last_synced_at": "2026-09-29T13:58:03.589Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01787474"
    }
  ]
}