{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Letermovir",
    "query": {
      "intervention": "Letermovir"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 25,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Letermovir&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T06:35:05.317Z",
  "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": "NCT06575374",
      "title": "Single Arm Pilot Trial of Letermovir for CMV Prophy in CAR T Cell",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cell Therapy"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 36,
      "start_date": "2024-12-12",
      "completion_date": "2028-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-09-03T06:35:05.317Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06575374"
    },
    {
      "nct_id": "NCT04060277",
      "title": "Triplex Vaccine in Preventing CMV Infection in Patients Undergoing Hematopoietic Stem Cell Transplantation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive",
        "Acute Lymphoblastic Leukemia",
        "Acute Myeloid Leukemia",
        "Chronic Lymphocytic Leukemia",
        "Chronic Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive",
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Hodgkin Lymphoma",
        "Lymphoblastic Lymphoma",
        "Myelodysplastic Syndrome",
        "Myelofibrosis",
        "Myeloproliferative Neoplasm",
        "Non-Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        },
        {
          "name": "Multi-peptide CMV-Modified Vaccinia Ankara Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2019-11-27",
      "completion_date": "2030-04-07",
      "has_results": true,
      "last_update_posted_date": "2025-11-14",
      "last_synced_at": "2026-09-03T06:35:05.317Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04060277"
    },
    {
      "nct_id": "NCT06453460",
      "title": "CMV-TCIP Directed Letermovir Prophylaxis After Allo-SCT",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "CMV",
        "Allogeneic Stem Cell Transplantation"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        },
        {
          "name": "CMV T Cell Immunity Panel (CMV-TCIP)",
          "type": "DEVICE"
        },
        {
          "name": "CMV DNA PCR",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of California, Irvine",
      "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": "2024-06-27",
      "completion_date": "2029-06",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-03T06:35:05.317Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06453460"
    },
    {
      "nct_id": "NCT06639854",
      "title": "The Use of Cytomegalovirus Cell Mediated Immunity to Optimize the Duration of Letermovir Prophylaxis in Hematopoietic Cell Transplant Recipients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cytomegalovirus Cell Mediated Immunity",
        "Hematopoietic Cell Transplant"
      ],
      "interventions": [
        {
          "name": "Hematopoietic Cell Transplant",
          "type": "PROCEDURE"
        },
        {
          "name": "Letermovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "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": 105,
      "start_date": "2024-11-20",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-09-03T06:35:05.317Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06639854"
    },
    {
      "nct_id": "NCT06001320",
      "title": "De-novo Initiation of Letermovir vs Valganciclovir for Cytomegalovirus Prophylaxis in AA Kidney Transplant Recipients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Kidney Transplant; Complications",
        "CMV"
      ],
      "interventions": [
        {
          "name": "Letermovir 480 mg once daily",
          "type": "DRUG"
        },
        {
          "name": "Historical/Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "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": "2023-09-25",
      "completion_date": "2026-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-01",
      "last_synced_at": "2026-09-03T06:35:05.317Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06001320"
    },
    {
      "nct_id": "NCT05041426",
      "title": "Letermovir for CMV Prevention After Lung Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lung Transplant",
        "CMV"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        },
        {
          "name": "Valganciclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Fernanda P Silveira, MD, MS",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 15,
      "start_date": "2021-12-06",
      "completion_date": "2025-03-03",
      "has_results": true,
      "last_update_posted_date": "2026-04-09",
      "last_synced_at": "2026-09-03T06:35:05.317Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05041426"
    },
    {
      "nct_id": "NCT06407232",
      "title": "Letermovir (Prevymis) for CMV in Kidney and Pancreas Transplant Recipients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cytomegalovirus Infections",
        "Kidney Transplant Infection",
        "Pancreas Transplant"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2024-08-08",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-03T06:35:05.317Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06407232"
    },
    {
      "nct_id": "NCT06118515",
      "title": "A Safety Assessment of Oral Letermovir in Infants With Symptomatic Congenital Cytomegalovirus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Congenital Cytomegalovirus Infection"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Days",
        "maximum_age": "90 Days",
        "sex": "ALL",
        "summary": "0 Days to 90 Days"
      },
      "enrollment_count": 3,
      "start_date": "2025-02-19",
      "completion_date": "2026-05-04",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-09-03T06:35:05.317Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Atlanta, Georgia • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06118515"
    },
    {
      "nct_id": "NCT07199465",
      "title": "A Clinical Study of Letermovir (MK-8228) in Children and Adolescents Who Receive a Kidney Transplant (KT) (MK-8228-077)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cytomegalovirus Prophylaxis"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "Up to 17 Years"
      },
      "enrollment_count": 40,
      "start_date": "2026-03-30",
      "completion_date": "2028-05-19",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-03T06:35:05.317Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 15 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07199465"
    },
    {
      "nct_id": "NCT04017962",
      "title": "A Study of the Drug Letermovir (LTV) as Prevention for Recurrent of Cytomegalovirus (CMV) Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "CMV",
        "CMV Infection",
        "Hematopoietic Cell Transplant"
      ],
      "interventions": [
        {
          "name": "Letermovir Pill",
          "type": "DRUG"
        },
        {
          "name": "blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2019-07-19",
      "completion_date": "2025-07-29",
      "has_results": true,
      "last_update_posted_date": "2025-08-11",
      "last_synced_at": "2026-09-03T06:35:05.317Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • New York, New York",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04017962"
    }
  ]
}