{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Letermovir+tablet",
    "query": {
      "intervention": "Letermovir tablet"
    },
    "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": "2026-09-02T21:02:21.846Z",
  "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": "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": "2026-09-02T21:02:21.846Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05041426"
    },
    {
      "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": "2026-09-02T21:02:21.846Z",
      "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": "NCT03443869",
      "title": "Letermovir Versus Valganciclovir to Prevent Human Cytomegalovirus Disease in Kidney Transplant Recipients (MK-8228-002)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "CMV Disease"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        },
        {
          "name": "Valganciclovir",
          "type": "DRUG"
        },
        {
          "name": "Acyclovir (ACV)",
          "type": "DRUG"
        },
        {
          "name": "Placebo to ACV",
          "type": "DRUG"
        },
        {
          "name": "Placebo to LET",
          "type": "DRUG"
        },
        {
          "name": "Placebo to VGCV",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 601,
      "start_date": "2018-05-03",
      "completion_date": "2022-04-05",
      "has_results": true,
      "last_update_posted_date": "2023-07-28",
      "last_synced_at": "2026-09-02T21:02:21.846Z",
      "location_count": 27,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Sacramento, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03443869"
    },
    {
      "nct_id": "NCT07706166",
      "title": "Letermovir for R+ Study",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Kidney Transplant",
        "Liver 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": 146,
      "start_date": "2026-09",
      "completion_date": "2029-09",
      "has_results": false,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-09-02T21:02:21.846Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07706166"
    },
    {
      "nct_id": "NCT03940586",
      "title": "Letermovir Treatment in Pediatric Participants Following Allogeneic Haematopoietic Stem Cell Transplantation (HSCT) (MK-8228-030)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cytomegalovirus (CMV) Infection"
      ],
      "interventions": [
        {
          "name": "Letermovir oral granules",
          "type": "DRUG"
        },
        {
          "name": "Letermovir tablet",
          "type": "DRUG"
        },
        {
          "name": "Letermovir intravenous",
          "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": 65,
      "start_date": "2019-08-08",
      "completion_date": "2023-08-25",
      "has_results": true,
      "last_update_posted_date": "2024-08-22",
      "last_synced_at": "2026-09-02T21:02:21.846Z",
      "location_count": 11,
      "location_summary": "Duarte, California • Orange, California • San Francisco, California + 8 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03940586"
    },
    {
      "nct_id": "NCT03930615",
      "title": "Extension of Letermovir (LET) From Day 100 to Day 200 Post-transplant for the Prevention of Cytomegalovirus (CMV) Infection in Hematopoietic Stem Cell Transplant (HSCT) Participants (MK-8228-040)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cytomegalovirus Infection"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2019-06-21",
      "completion_date": "2022-03-16",
      "has_results": true,
      "last_update_posted_date": "2024-08-22",
      "last_synced_at": "2026-09-02T21:02:21.846Z",
      "location_count": 10,
      "location_summary": "Duarte, California • Sacramento, California • Miami, Florida + 7 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03930615"
    },
    {
      "nct_id": "NCT01063829",
      "title": "Safety and Efficacy Study of a New Antiviral Drug to Prevent Cytomegalovirus Reactivation in Bone Marrow Transplanted Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HCMV Reactivation or HCMV End-Organ Disease"
      ],
      "interventions": [
        {
          "name": "60 mg AIC246",
          "type": "DRUG"
        },
        {
          "name": "120 mg AIC246",
          "type": "DRUG"
        },
        {
          "name": "240 mg AIC246",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "AiCuris Anti-infective Cures AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 133,
      "start_date": "2010-03",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2018-02-13",
      "last_synced_at": "2026-09-02T21:02:21.846Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • Stanford, California • Denver, Colorado + 11 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01063829"
    },
    {
      "nct_id": "NCT04840199",
      "title": "A Study to Evaluate the Anti-inflammatory Effects of Letermovir (Prevymis) in Adults With Human Immunodeficiency Virus (HIV)-1 and Asymptomatic Cytomegalovirus (CMV) Who Are on Suppressive Antiretroviral Therapy, Plus Its Effect on Chronic Inflammation, HIV Persistence and Other Clinical Outcomes.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections",
        "Cytomegalovirus",
        "CMV"
      ],
      "interventions": [
        {
          "name": "Letermovir Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2022-04-19",
      "completion_date": "2023-11-30",
      "has_results": true,
      "last_update_posted_date": "2025-03-04",
      "last_synced_at": "2026-09-02T21:02:21.846Z",
      "location_count": 15,
      "location_summary": "San Diego, California • San Francisco, California • Aurora, Colorado + 11 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04840199"
    }
  ]
}