{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=BK+CTL",
    "query": {
      "intervention": "BK CTL"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T16:18:23.504Z",
  "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": "NCT04293042",
      "title": "Treatment of BK Virus Infection With CTL Cells in Immunocompromised Transplant Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "BK Polyomavirus"
      ],
      "interventions": [
        {
          "name": "BK-virus specific CTLs",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Weeks",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "5 Weeks to 25 Years"
      },
      "enrollment_count": 20,
      "start_date": "2019-10-07",
      "completion_date": "2029-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-11T16:18:23.504Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04293042"
    },
    {
      "nct_id": "NCT04197596",
      "title": "Treatment of Refractory BK Infections With Related Donor BK Specific Cytotoxic T-cells (CTLs)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Viral Infection",
        "Primary Immune Deficiency Disorder"
      ],
      "interventions": [
        {
          "name": "BK CTL",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "New York Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "1 Month to 79 Years"
      },
      "enrollment_count": 40,
      "start_date": "2020-07-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-09-11T16:18:23.504Z",
      "location_count": 7,
      "location_summary": "San Francisco, California • Baltimore, Maryland • St Louis, Missouri + 4 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Vallhala",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04197596"
    },
    {
      "nct_id": "NCT02479698",
      "title": "Cytotoxic T Lymphocytes in Treating Patients With Malignancies With BK and/or JC Virus",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acquired Immunodeficiency Syndrome",
        "BK Virus Infection",
        "Human Immunodeficiency Virus",
        "JC Virus Infection",
        "Malignant Neoplasm",
        "Merkel Cell Carcinoma",
        "Merkel Cell Polyomavirus Infection",
        "Viral Encephalitis"
      ],
      "interventions": [
        {
          "name": "Allogeneic BK-specific Cytotoxic T-lymphocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 100,
      "start_date": "2015-07-23",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-11T16:18:23.504Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02479698"
    },
    {
      "nct_id": "NCT02231853",
      "title": "Phase I/II Trial of Early Infusion of Rapidly-generated Multivirus Specific T Cells (MVST) to Prevent Post Transplant Viral Infections",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "CML (Chronic Myelogenous Leukemia)",
        "MDS (Myelodysplastic Syndrome)",
        "Acute Lymphoblastic Leukemia",
        "AML (Acute Myelogenous Leukemia)"
      ],
      "interventions": [
        {
          "name": "MVST",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MVSTr",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 12,
      "start_date": "2014-09-03",
      "completion_date": "2017-12-29",
      "has_results": false,
      "last_update_posted_date": "2019-12-17",
      "last_synced_at": "2026-09-11T16:18:23.504Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02231853"
    },
    {
      "nct_id": "NCT04013802",
      "title": "TETRAVI Multivirus CTL for Treatment of EBV, CMV, Adenovirus, and BK Infections Post Allogeneic SCT.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Viral Infection"
      ],
      "interventions": [
        {
          "name": "HLA-matched VSTs",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 47,
      "start_date": "2021-03-08",
      "completion_date": "2031-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-11T16:18:23.504Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04013802"
    },
    {
      "nct_id": "NCT02108522",
      "title": "Multivirus-specific T Cells for the Treatment of Virus Infections After Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infection"
      ],
      "interventions": [
        {
          "name": "Multivirus Specific T cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "AlloVir",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 82,
      "start_date": "2014-06",
      "completion_date": "2019-12",
      "has_results": true,
      "last_update_posted_date": "2021-07-20",
      "last_synced_at": "2026-09-11T16:18:23.504Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02108522"
    },
    {
      "nct_id": "NCT01570283",
      "title": "ARMS - Rapidly Generated Multivirus-Specific CTLs for Prophylaxis & Treatment of EBV, CMV, Adenovirus, HHV6 & BK Virus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Viral Infection"
      ],
      "interventions": [
        {
          "name": "Multivirus-specific T cells Dose Level 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Multivirus-specific T cells Dose Level 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Multivirus-specific T cells Dose Level 3",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "AlloVir",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 21,
      "start_date": "2012-09",
      "completion_date": "2017-09",
      "has_results": true,
      "last_update_posted_date": "2019-05-30",
      "last_synced_at": "2026-09-11T16:18:23.504Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01570283"
    }
  ]
}