{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Respiratory+Infection+Virus&page=4",
    "query": {
      "condition": "Respiratory Infection Virus",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 3382,
    "total_pages": 339,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Respiratory+Infection+Virus&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Respiratory+Infection+Virus&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T18:32:27.355Z",
  "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": "NCT00000908",
      "title": "A Study to Evaluate the Impact of Stopping Treatment for the Prevention of Pneumonia in HIV-Positive Patients Receiving Anti-HIV Drugs Who Have Increased CD4 Cell Counts",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pneumonia, Pneumocystis Carinii",
        "HIV Infections"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 250,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-10-06T18:32:27.355Z",
      "location_count": 53,
      "location_summary": "Birmingham, Alabama • Harbor City, California • Los Angeles, California + 30 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Harbor City",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Menlo Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000908"
    },
    {
      "nct_id": "NCT04476914",
      "title": "Stress Related Disorders in Family Members of COVID-19 Patients Admitted to the ICU",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Failure",
        "SARS-CoV 2",
        "Corona Virus Infection",
        "Post Intensive Care Unit Syndrome",
        "Family Members",
        "Post Traumatic Stress Disorder",
        "Anxiety",
        "Depression"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 330,
      "start_date": "2020-06-29",
      "completion_date": "2021-06-15",
      "has_results": false,
      "last_update_posted_date": "2021-06-22",
      "last_synced_at": "2026-10-06T18:32:27.355Z",
      "location_count": 9,
      "location_summary": "Aurora, Colorado • New Orleans, Louisiana • Boston, Massachusetts + 5 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Weymouth",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04476914"
    },
    {
      "nct_id": "NCT00001016",
      "title": "A Treatment Protocol for the Use of Trimetrexate With Leucovorin Rescue for AIDS Patients With Pneumocystis Carinii Pneumonia and Serious Intolerance to Approved Therapies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumonia, Pneumocystis Carinii",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Trimetrexate glucuronate",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin calcium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2008-09-30",
      "last_synced_at": "2026-10-06T18:32:27.355Z",
      "location_count": 1,
      "location_summary": "Morris Plains, New Jersey",
      "locations": [
        {
          "city": "Morris Plains",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001016"
    },
    {
      "nct_id": "NCT00000784",
      "title": "A Study of Psychosocial and Behavioral Determinants of Differential Rates of Participant Compliance in CPCRA Protocols",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pneumonia, Pneumocystis Carinii",
        "HIV Infections"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 557,
      "start_date": "1994-10",
      "completion_date": "1996-09",
      "has_results": false,
      "last_update_posted_date": "2013-10-01",
      "last_synced_at": "2026-10-06T18:32:27.355Z",
      "location_count": 13,
      "location_summary": "Denver, Colorado • Wilmington, Delaware • Washington D.C., District of Columbia + 9 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000784"
    },
    {
      "nct_id": "NCT00861627",
      "title": "Phase 2 Study of REOLYSIN® in Combination With Paclitaxel and Carboplatin for Non-Small Cell Lung Cancer With KRAS or EGFR Activation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Carcinoma, Non-small Cell Lung"
      ],
      "interventions": [
        {
          "name": "REOLYSIN®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Oncolytics Biotech",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2009-03",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2015-12-02",
      "last_synced_at": "2026-10-06T18:32:27.355Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Columbus, Ohio",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00861627"
    },
    {
      "nct_id": "NCT04369469",
      "title": "Efficacy and Safety Study of IV Ravulizumab in Patients With COVID-19 Severe Pneumonia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID-19 Severe Pneumonia",
        "Acute Lung Injury",
        "Acute Respiratory Distress Syndrome",
        "Pneumonia, Viral"
      ],
      "interventions": [
        {
          "name": "Ravulizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BSC",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 202,
      "start_date": "2020-05-10",
      "completion_date": "2021-04-08",
      "has_results": true,
      "last_update_posted_date": "2022-05-24",
      "last_synced_at": "2026-10-06T18:32:27.355Z",
      "location_count": 24,
      "location_summary": "Little Rock, Arkansas • Los Angeles, California • Orange, California + 17 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04369469"
    },
    {
      "nct_id": "NCT04333953",
      "title": "COVID-19 in Patients With HIV",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV/AIDS",
        "COVID-19",
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 412,
      "start_date": "2020-04-01",
      "completion_date": "2022-03-28",
      "has_results": false,
      "last_update_posted_date": "2022-05-23",
      "last_synced_at": "2026-10-06T18:32:27.355Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04333953"
    },
    {
      "nct_id": "NCT03387137",
      "title": "Evaluating the Infectivity, Safety, and Immunogenicity of a Respiratory Syncytial Virus Vaccine (RSV 6120/∆NS2/1030s) in RSV-Seropositive Children and RSV-Seronegative Infants and Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "RSV Infection"
      ],
      "interventions": [
        {
          "name": "RSV 6120/∆NS2/1030s",
          "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": "60 Months",
        "sex": "ALL",
        "summary": "6 Months to 60 Months"
      },
      "enrollment_count": 45,
      "start_date": "2017-10-13",
      "completion_date": "2021-05-31",
      "has_results": true,
      "last_update_posted_date": "2024-12-11",
      "last_synced_at": "2026-10-06T18:32:27.355Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03387137"
    },
    {
      "nct_id": "NCT06932237",
      "title": "Immune-mediated Pathogenic Mechanisms of Neuro-PASC in Veterans",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neuro-PASC",
        "Long COVID"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 200,
      "start_date": "2025-02-20",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-10-06T18:32:27.355Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon • Mountain Home, Tennessee",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Mountain Home",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06932237"
    },
    {
      "nct_id": "NCT04393311",
      "title": "Ulinastatin for the Treatment of COVID-19 in Hospitalized Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Ulinastatin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford 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": "2022-02",
      "completion_date": "2022-08",
      "has_results": false,
      "last_update_posted_date": "2022-03-03",
      "last_synced_at": "2026-10-06T18:32:27.355Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04393311"
    }
  ]
}