{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Respiratory+Tract+Infections&page=3",
    "query": {
      "condition": "Respiratory Tract Infections",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 4414,
    "total_pages": 442,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Respiratory+Tract+Infections&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Respiratory+Tract+Infections&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T21:37:06.482Z",
  "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": "NCT04867174",
      "title": "COVID-19 Vaccination Take-Up",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Covid19",
        "Vaccination"
      ],
      "interventions": [
        {
          "name": "Financial incentives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Convenient scheduling link",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Race concordant",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Gender concordant",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Bureau of Economic Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2701,
      "start_date": "2021-05-24",
      "completion_date": "2022-05-24",
      "has_results": true,
      "last_update_posted_date": "2024-03-28",
      "last_synced_at": "2026-10-06T21:37:06.482Z",
      "location_count": 1,
      "location_summary": "Martinez, California",
      "locations": [
        {
          "city": "Martinez",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04867174"
    },
    {
      "nct_id": "NCT06108297",
      "title": "Lithium Long COVID Dose-finding Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Long COVID"
      ],
      "interventions": [
        {
          "name": "Lithium",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 5,
      "start_date": "2023-10-12",
      "completion_date": "2024-05-02",
      "has_results": false,
      "last_update_posted_date": "2024-10-22",
      "last_synced_at": "2026-10-06T21:37:06.482Z",
      "location_count": 1,
      "location_summary": "Williamsville, New York",
      "locations": [
        {
          "city": "Williamsville",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06108297"
    },
    {
      "nct_id": "NCT04733677",
      "title": "User Experience of the OSR M-1",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 21,
      "start_date": "2021-03-19",
      "completion_date": "2022-11-15",
      "has_results": false,
      "last_update_posted_date": "2023-03-30",
      "last_synced_at": "2026-10-06T21:37:06.482Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04733677"
    },
    {
      "nct_id": "NCT04811339",
      "title": "Studies of COVID-19 Patients Treated With Oral Bismuth Subsalicylate (Pepto-Bismol)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Diarrhea",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Bismuth Subsalicylate 262 milligram (mg) Oral Tablet, Chewable",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral tablet without BSS",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 60,
      "start_date": "2020-10-27",
      "completion_date": "2021-08-15",
      "has_results": true,
      "last_update_posted_date": "2023-03-01",
      "last_synced_at": "2026-10-06T21:37:06.482Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04811339"
    },
    {
      "nct_id": "NCT03346772",
      "title": "Study of Immune Responses to Influenza Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza Vaccination"
      ],
      "interventions": [
        {
          "name": "Influenza vaccination",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2017-10-20",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-10-06T21:37:06.482Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03346772"
    },
    {
      "nct_id": "NCT01009645",
      "title": "The Effect of Fact Versus Myth Messages on Receipt of Influenza Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza Vaccination"
      ],
      "interventions": [
        {
          "name": "Fact Only Education Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fact and Myth Educational Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fact, Myth, Why Educational Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Educational Message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 125,
      "start_date": "2009-09",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2023-10-30",
      "last_synced_at": "2026-10-06T21:37:06.482Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01009645"
    },
    {
      "nct_id": "NCT04868890",
      "title": "A Study of Inhaled Ampion in Adults With Respiratory Distress Due to COVID-19",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Ampion",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Ampio 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": 200,
      "start_date": "2021-06-22",
      "completion_date": "2022-04-13",
      "has_results": true,
      "last_update_posted_date": "2022-12-07",
      "last_synced_at": "2026-10-06T21:37:06.482Z",
      "location_count": 1,
      "location_summary": "Englewood, Colorado",
      "locations": [
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04868890"
    },
    {
      "nct_id": "NCT05769023",
      "title": "A Spatial Analysis of Hotspots and Targeted Injection Settings Pilot Intervention for HIV Prevention Among People Who Inject Drugs",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Intervention test",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2023-01-01",
      "completion_date": "2027-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-10-06T21:37:06.482Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05769023"
    },
    {
      "nct_id": "NCT05050682",
      "title": "Study to Investigate the Mass Balance, Metabolism, and Excretion of [14C]-PF-07304814 in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "PF-07304814",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 5,
      "start_date": "2021-10-07",
      "completion_date": "2021-12-10",
      "has_results": true,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-10-06T21:37:06.482Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05050682"
    },
    {
      "nct_id": "NCT04048018",
      "title": "Performance Evaluation of the VIDAS TB-IGRA Assay.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Active Tuberculosis",
        "Latent Tuberculosis Infection",
        "Non-Tuberculous Mycobacterial (NTM) Pneumonia"
      ],
      "interventions": [
        {
          "name": "Blood draw and IGRA test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "BioMérieux",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 2401,
      "start_date": "2019-12-05",
      "completion_date": "2021-06-30",
      "has_results": false,
      "last_update_posted_date": "2021-07-16",
      "last_synced_at": "2026-10-06T21:37:06.482Z",
      "location_count": 7,
      "location_summary": "Palo Alto, California • San Diego, California • Denver, Colorado + 4 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04048018"
    }
  ]
}