{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Infections%2C+Respiratory+Tract",
    "query": {
      "condition": "Infections, Respiratory Tract"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4383,
    "total_pages": 439,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Infections%2C+Respiratory+Tract&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:12:40.073Z",
  "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": "NCT00228254",
      "title": "Vitamin A and Zinc: Prevention of Pneumonia (VAZPOP) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pneumonia",
        "Diarrhea",
        "Acute Upper Respiratory Tract Infections"
      ],
      "interventions": [
        {
          "name": "Zinc (12.5 mg/day)",
          "type": "DRUG"
        },
        {
          "name": "vitamin A 10,000 IU per week",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "36 Months",
        "sex": "ALL",
        "summary": "6 Months to 36 Months"
      },
      "enrollment_count": 2582,
      "start_date": "2000-01",
      "completion_date": "2004-06",
      "has_results": false,
      "last_update_posted_date": "2005-09-28",
      "last_synced_at": "2026-05-22T05:12:40.073Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00228254"
    },
    {
      "nct_id": "NCT04568356",
      "title": "A Clinical Evaluation of COVID-19 Rapid Point of Care Antigen Tests",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "SARS CoV-2"
      ],
      "interventions": [
        {
          "name": "Direct Antigen Tests for COVID-19",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "E25Bio, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2020-04-24",
      "completion_date": "2020-09-24",
      "has_results": false,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-05-22T05:12:40.073Z",
      "location_count": 3,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04568356"
    },
    {
      "nct_id": "NCT02605122",
      "title": "Safety and Efficacy of Solithromycin in Adolescents and Children With Community-Acquired Bacterial Pneumonia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Community-acquired Bacterial Pneumonia"
      ],
      "interventions": [
        {
          "name": "Solithromycin",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Melinta Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Months to 17 Years"
      },
      "enrollment_count": 97,
      "start_date": "2016-04",
      "completion_date": "2018-03-21",
      "has_results": true,
      "last_update_posted_date": "2019-01-03",
      "last_synced_at": "2026-05-22T05:12:40.073Z",
      "location_count": 21,
      "location_summary": "Little Rock, Arkansas • Los Angeles, California • Sacramento, California + 18 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02605122"
    },
    {
      "nct_id": "NCT05946551",
      "title": "Treatment of Long CoronaVirus Disease (COVID) (TLC) Feasibility Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Cetirizine",
          "type": "DRUG"
        },
        {
          "name": "Famotidine",
          "type": "DRUG"
        },
        {
          "name": "Cetirizine Placebo",
          "type": "DRUG"
        },
        {
          "name": "Famotidine Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2024-03-08",
      "completion_date": "2024-06-24",
      "has_results": true,
      "last_update_posted_date": "2025-07-17",
      "last_synced_at": "2026-05-22T05:12:40.073Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05946551"
    },
    {
      "nct_id": "NCT01196975",
      "title": "A Study to Evaluate the Safety and Immunogenicity of GSK Biologicals' Seasonal Influenza Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Quadrivalent seasonal influenza vaccine GSK2282512A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FluLavalTM-VB",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FluLavalTM-YB",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1707,
      "start_date": "2010-10-01",
      "completion_date": "2011-06-24",
      "has_results": true,
      "last_update_posted_date": "2018-09-21",
      "last_synced_at": "2026-05-22T05:12:40.073Z",
      "location_count": 6,
      "location_summary": "Mesa, Arizona • Wichita, Kansas • Elkridge, Maryland + 3 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Elkridge",
          "state": "Maryland"
        },
        {
          "city": "Endwell",
          "state": "New York"
        },
        {
          "city": "Jefferson Hills",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01196975"
    },
    {
      "nct_id": "NCT00050401",
      "title": "Ventilator-Associated Pneumonia/Hospital-Acquired Pneumonia Requiring Mechanical Ventilatory Support",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumonia"
      ],
      "interventions": [
        {
          "name": "MERREM I.V. 2g as a 3 hour infusion every 8 hours",
          "type": "DRUG"
        },
        {
          "name": "vancomycin I.V. 1 g every 12 hours",
          "type": "DRUG"
        },
        {
          "name": "tobramycin I.V. 5 mg/kg every 24 hours",
          "type": "DRUG"
        },
        {
          "name": "MERREM I.V. 1g as a 30 minute infusion every 8 hours",
          "type": "DRUG"
        },
        {
          "name": "MERREM I.V. 500 mg as a 3 hour infusion every 8 hours",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2002-07",
      "completion_date": "2004-09",
      "has_results": false,
      "last_update_posted_date": "2017-09-01",
      "last_synced_at": "2026-05-22T05:12:40.073Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • Newark, Delaware • Indianapolis, Indiana + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00050401"
    },
    {
      "nct_id": "NCT00334529",
      "title": "Alternative Oseltamivir Dosing Strategies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Oseltamivir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2006-06-05",
      "completion_date": "2007-04-10",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-05-22T05:12:40.073Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Palo Alto, California • Bethesda, Maryland + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00334529"
    },
    {
      "nct_id": "NCT04344977",
      "title": "Collection of Anti-SARS-CoV-2 Immune Plasma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronavirus Disease 2019 (COVID-19)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 151,
      "start_date": "2020-06-01",
      "completion_date": "2021-03-03",
      "has_results": false,
      "last_update_posted_date": "2021-03-05",
      "last_synced_at": "2026-05-22T05:12:40.073Z",
      "location_count": 3,
      "location_summary": "Torrance, California • Miami, Florida • Seattle, Washington",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04344977"
    },
    {
      "nct_id": "NCT04596657",
      "title": "Vitamin D3 Supplementation to Prevent Respiratory Tract Infections",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Tract Infections",
        "Covid19",
        "Flu Like Illness"
      ],
      "interventions": [
        {
          "name": "Vitamin D supplementation",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "The Cooper Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 877,
      "start_date": "2020-10-27",
      "completion_date": "2023-10-19",
      "has_results": false,
      "last_update_posted_date": "2023-12-08",
      "last_synced_at": "2026-05-22T05:12:40.073Z",
      "location_count": 1,
      "location_summary": "Camden, New Jersey",
      "locations": [
        {
          "city": "Camden",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04596657"
    },
    {
      "nct_id": "NCT04363203",
      "title": "VA Remote and Equitable Access to COVID-19 Healthcare Delivery (VA-REACH TRIAL)",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "SARS-CoV-2",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Hydroxychloroquine",
          "type": "DRUG"
        },
        {
          "name": "Azithromycin",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Salomeh Keyhani MD",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "216 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "216 Months and older"
      },
      "enrollment_count": 300,
      "start_date": "2020-04-30",
      "completion_date": "2021-08",
      "has_results": false,
      "last_update_posted_date": "2020-06-22",
      "last_synced_at": "2026-05-22T05:12:40.073Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04363203"
    }
  ]
}