{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Human+Metapneumovirus",
    "query": {
      "condition": "Human Metapneumovirus"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Human+Metapneumovirus&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T08:11:27.779Z",
  "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": "NCT01109329",
      "title": "Safety Study of a Human Metapneumovirus Challenge Virus in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Human Metapneumovirus"
      ],
      "interventions": [
        {
          "name": "HMPV challenge virus",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 21,
      "start_date": "2010-06",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2013-01-03",
      "last_synced_at": "2026-05-22T08:11:27.779Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01109329"
    },
    {
      "nct_id": "NCT03502694",
      "title": "Antiviral Activity, Clinical Outcomes, Safety, Tolerability, and Pharmacokinetics of Oral Lumicitabine Regimens in Hospitalized Adult Participants Infected With Human Metapneumovirus",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metapneumovirus"
      ],
      "interventions": [
        {
          "name": "Lumicitabine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2018-11-05",
      "completion_date": "2020-10-28",
      "has_results": false,
      "last_update_posted_date": "2018-11-15",
      "last_synced_at": "2026-05-22T08:11:27.779Z",
      "location_count": 7,
      "location_summary": "Fresno, California • Long Beach, California • Eustis, Florida + 4 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Eustis",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03502694"
    },
    {
      "nct_id": "NCT01255410",
      "title": "Evaluation of the Safety and Immunogenicity of a Live Attenuated Human Metapneumovirus Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metapneumovirus"
      ],
      "interventions": [
        {
          "name": "10^6 PFU rHMPV-Pa vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "10^5 PFU rHMPV-Pa vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "6 Months to 49 Years"
      },
      "enrollment_count": 60,
      "start_date": "2011-01",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2015-12-15",
      "last_synced_at": "2026-05-22T08:11:27.779Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Seattle, Washington",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01255410"
    },
    {
      "nct_id": "NCT05743881",
      "title": "A Safety, Tolerability, and Immunogenicity Study of mRNA-1345 and mRNA-1365 in Participants Aged 5 Months to <24 Months",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Respiratory Syncytial Virus",
        "Human Metapneumovirus"
      ],
      "interventions": [
        {
          "name": "mRNA-1345",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1365",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nimenrix",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Months",
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "5 Months to 24 Months"
      },
      "enrollment_count": 186,
      "start_date": "2023-02-15",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-24",
      "last_synced_at": "2026-05-22T08:11:27.779Z",
      "location_count": 30,
      "location_summary": "Los Angeles, California • Englewood, Colorado • Washington D.C., District of Columbia + 21 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05743881"
    },
    {
      "nct_id": "NCT03392389",
      "title": "Safety, Reactogenicity, and Immunogenicity of mRNA-1653 in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Human Metapneumovirus and Human Parainfluenza Infection"
      ],
      "interventions": [
        {
          "name": "mRNA-1653",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 124,
      "start_date": "2017-12-04",
      "completion_date": "2019-07-29",
      "has_results": false,
      "last_update_posted_date": "2020-02-06",
      "last_synced_at": "2026-05-22T08:11:27.779Z",
      "location_count": 3,
      "location_summary": "Omaha, Nebraska • Austin, Texas • Fort Worth, Texas",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03392389"
    },
    {
      "nct_id": "NCT05903183",
      "title": "A Study to Evaluate the Safety and Immunogenicity of IVX-A12 in Participants of 60 to 85 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "IVX-A12",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Icosavax, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 264,
      "start_date": "2023-05-15",
      "completion_date": "2024-10-25",
      "has_results": true,
      "last_update_posted_date": "2025-12-05",
      "last_synced_at": "2026-05-22T08:11:27.779Z",
      "location_count": 10,
      "location_summary": "Tempe, Arizona • Hollywood, Florida • Stockbridge, Georgia + 7 more",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        },
        {
          "city": "Nampa",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05903183"
    },
    {
      "nct_id": "NCT05664334",
      "title": "Safety and Immunogenicity of IVX-A12 in Healthy Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "IVX-121",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IVX-241",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MF59®",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Icosavax, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "60 Years to 75 Years"
      },
      "enrollment_count": 140,
      "start_date": "2022-09-21",
      "completion_date": "2024-01-24",
      "has_results": false,
      "last_update_posted_date": "2024-03-05",
      "last_synced_at": "2026-05-22T08:11:27.779Z",
      "location_count": 4,
      "location_summary": "Hollywood, Florida • Atlanta, Georgia • Omaha, Nebraska + 1 more",
      "locations": [
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Brownsville",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05664334"
    },
    {
      "nct_id": "NCT06481579",
      "title": "A Study of IVX-A12 in Adults Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "IVX-A12",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed RSV Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Icosavax, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 143,
      "start_date": "2024-06-10",
      "completion_date": "2024-12-19",
      "has_results": true,
      "last_update_posted_date": "2025-08-26",
      "last_synced_at": "2026-05-22T08:11:27.779Z",
      "location_count": 5,
      "location_summary": "Anaheim, California • Rolling Hills Estates, California • Hollywood, Florida + 2 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "North Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06481579"
    },
    {
      "nct_id": "NCT04933968",
      "title": "Study of ALVR106 in Patients With Respiratory Viral Infections After Hematopoietic Cell and Solid Organ Transplant",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Respiratory Tract Viral Infections",
        "Human Metapneumovirus (hMPV) Infection",
        "Parainfluenza (PIV) Infection",
        "Respiratory Syncytial Viral (RSV) Infection",
        "Influenza Infection"
      ],
      "interventions": [
        {
          "name": "ALVR106",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "AlloVir",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "17 Years to 75 Years"
      },
      "enrollment_count": 17,
      "start_date": "2022-03-21",
      "completion_date": "2024-01-31",
      "has_results": true,
      "last_update_posted_date": "2024-06-06",
      "last_synced_at": "2026-05-22T08:11:27.779Z",
      "location_count": 21,
      "location_summary": "Scottsdale, Arizona • Duarte, California • Gainesville, Florida + 16 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04933968"
    },
    {
      "nct_id": "NCT06134648",
      "title": "Study of a Respiratory Syncytial Virus/Human Metapneumovirus Vaccine Candidate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infection",
        "Healthy Volunteers",
        "Human Metapneumovirus"
      ],
      "interventions": [
        {
          "name": "RSV/hMPV vaccine candidate Dose L",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV/hMPV vaccine candidate Dose A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV/hMPV vaccine candidate Dose B",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 646,
      "start_date": "2023-11-01",
      "completion_date": "2026-02-27",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-05-22T08:11:27.779Z",
      "location_count": 10,
      "location_summary": "Los Alamitos, California • Los Angeles, California • Rolling Hills Estates, California + 7 more",
      "locations": [
        {
          "city": "Los Alamitos",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Oakbrook Terrace",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06134648"
    }
  ]
}