{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=BK+Virus+%28Nephropathy%29",
    "query": {
      "condition": "BK Virus (Nephropathy)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T08:13:18.807Z",
  "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": "NCT00138424",
      "title": "Cidofovir in Renal Transplant Recipients With BKVN",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "BK Virus (Nephropathy)"
      ],
      "interventions": [
        {
          "name": "Cidofovir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2006-05",
      "completion_date": "2011-04",
      "has_results": true,
      "last_update_posted_date": "2013-03-08",
      "last_synced_at": "2026-05-22T08:13:18.807Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • San Francisco, California • Aurora, Colorado + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00138424"
    },
    {
      "nct_id": "NCT00104338",
      "title": "Study of FK778 in Renal Transplant Recipients With Untreated BK Nephropathy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "BK Polyomavirus",
        "Kidney Diseases"
      ],
      "interventions": [
        {
          "name": "FK778",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2005-01",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2012-06-07",
      "last_synced_at": "2026-05-22T08:13:18.807Z",
      "location_count": 21,
      "location_summary": "Los Angeles, California • San Diego, California • San Francisco, California + 15 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00104338"
    },
    {
      "nct_id": "NCT03719339",
      "title": "VIRTUUS Children's Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Renal Transplant Rejection",
        "Pediatric Kidney Disease",
        "End Stage Renal Disease",
        "Nephropathy",
        "BK Virus (Nephropathy)",
        "Antibody-mediated Rejection",
        "Acute Cellular Graft Rejection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 445,
      "start_date": "2017-08-10",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-05-22T08:13:18.807Z",
      "location_count": 12,
      "location_summary": "La Jolla, California • Los Angeles, California • Palo Alto, California + 7 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03719339"
    },
    {
      "nct_id": "NCT01094691",
      "title": "Haufen Diagnostic Biomarkers of BK Renal Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polyoma Virus Nephropathy"
      ],
      "interventions": [
        {
          "name": "Renal Allograft Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2008-11",
      "completion_date": "2019-07",
      "has_results": false,
      "last_update_posted_date": "2023-06-12",
      "last_synced_at": "2026-05-22T08:13:18.807Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01094691"
    },
    {
      "nct_id": "NCT01620268",
      "title": "An Open-Label, Study to Treat Patients With Renal Allograft and Polyoma BK Viruria",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Viruria",
        "Viremia"
      ],
      "interventions": [
        {
          "name": "Leflunomide and orotic acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Changzheng-Cinkate",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "Up to 75 Years"
      },
      "enrollment_count": 24,
      "start_date": "2012-07",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2018-12-05",
      "last_synced_at": "2026-05-22T08:13:18.807Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Tampa, Florida • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01620268"
    },
    {
      "nct_id": "NCT02758288",
      "title": "BK Virus Post-Kidney Transplant: New Practice Versus Traditional Approach",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "BK Virus Infection",
        "BK Virus Nephropathy"
      ],
      "interventions": [
        {
          "name": "New Protocol - BK viremia or BK virus nephropathy",
          "type": "OTHER"
        },
        {
          "name": "Standard Protocol - BK viremia or BK virus nephropathy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2015-09",
      "completion_date": "2022-07",
      "has_results": false,
      "last_update_posted_date": "2020-10-05",
      "last_synced_at": "2026-05-22T08:13:18.807Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02758288"
    },
    {
      "nct_id": "NCT04605484",
      "title": "Study of Posoleucel (Formerly Known as ALVR105; Viralym-M) in Kidney Transplant Patients With BK Viremia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "BK Virus Nephropathy",
        "BK Virus Infection"
      ],
      "interventions": [
        {
          "name": "Posoleucel (formerly known as ALVR105) cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (visually identical to Posoleucel)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "AlloVir",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2021-03-22",
      "completion_date": "2022-10-20",
      "has_results": true,
      "last_update_posted_date": "2024-05-16",
      "last_synced_at": "2026-05-22T08:13:18.807Z",
      "location_count": 33,
      "location_summary": "Los Angeles, California • Palo Alto, California • Sacramento, California + 27 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04605484"
    },
    {
      "nct_id": "NCT01789203",
      "title": "Ciprofloxacin for Prevention of BK Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "BK Virus Infection"
      ],
      "interventions": [
        {
          "name": "Ciprofloxacin",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2013-01",
      "completion_date": "2017-10",
      "has_results": true,
      "last_update_posted_date": "2019-11-13",
      "last_synced_at": "2026-05-22T08:13:18.807Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01789203"
    }
  ]
}