{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Human+Parainfluenza+Virus+2",
    "query": {
      "condition": "Human Parainfluenza Virus 2"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T21:55:39.633Z",
  "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": "NCT01021397",
      "title": "Safety of and Immune Response to Recombinant Live Attenuated Parainfluenza Type 3 Virus Vaccine in Healthy Infants and Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Paramyxoviridae Infections",
        "Virus Diseases"
      ],
      "interventions": [
        {
          "name": "rHPIV3cp45",
          "type": "DRUG"
        },
        {
          "name": "rHPIV3cp45 placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "36 Months",
        "sex": "ALL",
        "summary": "6 Months to 36 Months"
      },
      "enrollment_count": 12,
      "start_date": "2009-11",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2013-01-03",
      "last_synced_at": "2026-07-23T21:55:39.633Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Seattle, Washington",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01021397"
    },
    {
      "nct_id": "NCT01139437",
      "title": "Safety of a Live Attenuated Human Parainfluenza Virus Type 2 (HPIV2) Vaccine for Adults, Children, and Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Human Parainfluenza Virus 2"
      ],
      "interventions": [
        {
          "name": "Standard Dose HPIV2 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Low dose HPIV2 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "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": 45,
      "start_date": "2010-06",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2017-04-04",
      "last_synced_at": "2026-07-23T21:55:39.633Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01139437"
    },
    {
      "nct_id": "NCT01254175",
      "title": "Evaluating the Safety and Immunogenicity of a Human Parainfluenza Type 3 (HPIV3) Virus Vaccine in Infants and Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Parainfluenza Virus 3, Human"
      ],
      "interventions": [
        {
          "name": "rHPIV3cp45 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": "36 Months",
        "sex": "ALL",
        "summary": "6 Months to 36 Months"
      },
      "enrollment_count": 28,
      "start_date": "2010-12",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2014-12-03",
      "last_synced_at": "2026-07-23T21:55:39.633Z",
      "location_count": 7,
      "location_summary": "Long Beach, California • San Diego, California • Chicago, Illinois + 3 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01254175"
    },
    {
      "nct_id": "NCT06546423",
      "title": "Study of the Infectivity, Safety and Immunogenicity of Two Recombinant, Live-Attenuated, B/HPIV3 Vectored Vaccines Expressing the Fusion Glycoprotein of HMPV Delivered by Nasal Spray to HPIV3-Seropositive Children 24 to <60 Months of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Human Metapneumovirus",
        "Human Parainfluenza Virus Type 3"
      ],
      "interventions": [
        {
          "name": "B/HPIV3/HMPV-PreF-A vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "B/HPIV3/HMPV-F-B365 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "24 Months",
        "maximum_age": "59 Months",
        "sex": "ALL",
        "summary": "24 Months to 59 Months"
      },
      "enrollment_count": 24,
      "start_date": "2024-07-12",
      "completion_date": "2025-06-04",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-07-23T21:55:39.633Z",
      "location_count": 4,
      "location_summary": "Baltimore, Maryland • Columbia, Maryland • Rochester, New York + 1 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Columbia",
          "state": "Maryland"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06546423"
    },
    {
      "nct_id": "NCT06026514",
      "title": "Phase I Safety Study of B/HPIV3/S-6P Vaccine Via Nasal Spray in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "SARS-CoV-2 Infection"
      ],
      "interventions": [
        {
          "name": "B/HPIV3/S-6P",
          "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": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 27,
      "start_date": "2023-09-18",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-20",
      "last_synced_at": "2026-07-23T21:55:39.633Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06026514"
    },
    {
      "nct_id": "NCT00308412",
      "title": "Safety of and Immune Response to a Human Parainfluenza Virus Vaccine (rHPIV3cp45) in Healthy Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Paramyxoviridae Infections",
        "Virus Diseases"
      ],
      "interventions": [
        {
          "name": "rHPIV3cp45",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "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": "36 Months",
        "sex": "ALL",
        "summary": "6 Months to 36 Months"
      },
      "enrollment_count": 45,
      "start_date": "2006-06",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2010-07-16",
      "last_synced_at": "2026-07-23T21:55:39.633Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00308412"
    },
    {
      "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": "2026-07-23T21:55:39.633Z",
      "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": "NCT06999603",
      "title": "Phase 2 Study of Inhaled SNG001 in Mechanically Ventilated Patients With Respiratory Viral Infection",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Viral Pneumonia"
      ],
      "interventions": [
        {
          "name": "SNG001",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Synairgen Research Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 550,
      "start_date": "2025-09-02",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2025-12-31",
      "last_synced_at": "2026-07-23T21:55:39.633Z",
      "location_count": 22,
      "location_summary": "Sacramento, California • Torrance, California • Naples, Florida + 19 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Naples",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Idaho Falls",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06999603"
    },
    {
      "nct_id": "NCT01302418",
      "title": "Collection and Testing of Respiratory Samples",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "QIAGEN ResPlex II Advanced Panel",
        "Influenza A",
        "Respiratory Syncytial Virus Infections",
        "Infection Due to Human Parainfluenza Virus 1",
        "Parainfluenza Type 2",
        "Parainfluenza Type 3",
        "Parainfluenza Type 4",
        "Human Metapneumovirus A/B",
        "Rhinovirus",
        "Coxsackie Virus/Echovirus",
        "Adenovirus Types B/C/E",
        "Coronavirus Subtypes 229E",
        "Coronavirus Subtype NL63",
        "Coronavirus Subtype OC43",
        "Coronavirus Subtype HKU1",
        "Human Bocavirus",
        "Artus Influenza A/B RT-PCR Test",
        "Influenza B"
      ],
      "interventions": [
        {
          "name": "artus Influenza A/B RT-PCR Test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "QIAGEN Gaithersburg, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 272,
      "start_date": "2011-02",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2017-05-10",
      "last_synced_at": "2026-07-23T21:55:39.633Z",
      "location_count": 5,
      "location_summary": "Tuscon, Arizona • Albany, New York • Chapel Hill, North Carolina + 1 more",
      "locations": [
        {
          "city": "Tuscon",
          "state": "Arizona"
        },
        {
          "city": "Albany",
          "state": "New York"
        },
        {
          "city": "Albany",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01302418"
    },
    {
      "nct_id": "NCT05864118",
      "title": "Comparison of Nasopharyngeal Swab v. Nasopharyngeal Saline Wash or Saliva Collection in Testing for Respiratory Viruses",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Tract Infections"
      ],
      "interventions": [
        {
          "name": "Respiratory pathogen panel PCR test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "COVID-19 antibody test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2023-08-21",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-07-23T21:55:39.633Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05864118"
    }
  ]
}