{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Respiratory+Tract+Infections+%28RTI%29&page=5",
    "query": {
      "condition": "Respiratory Tract Infections (RTI)",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 3924,
    "total_pages": 393,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Respiratory+Tract+Infections+%28RTI%29&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Respiratory+Tract+Infections+%28RTI%29&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T21:13:14.129Z",
  "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": "NCT05492786",
      "title": "High-risk Influenza Vaccine Alert",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Alert",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Salient alert features",
          "type": "BEHAVIORAL"
        },
        {
          "name": "High-risk Text",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Risk factors",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80452,
      "start_date": "2022-09-01",
      "completion_date": "2023-04-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-30",
      "last_synced_at": "2026-10-13T21:13:14.129Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05492786"
    },
    {
      "nct_id": "NCT04772820",
      "title": "Feasibility of Remote Home Support Coaches (SOCIAL Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malnutrition",
        "Isolation",
        "Depression",
        "Anxiety",
        "Sedentary Behavior",
        "Loneliness"
      ],
      "interventions": [
        {
          "name": "Telephone-based coaching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "75 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "75 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2021-10-15",
      "completion_date": "2022-11-30",
      "has_results": false,
      "last_update_posted_date": "2023-04-25",
      "last_synced_at": "2026-10-13T21:13:14.129Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Boston, Massachusetts",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04772820"
    },
    {
      "nct_id": "NCT02598713",
      "title": "Validation of Aspiration Markers in Intubated Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pneumonia",
        "Aspiration"
      ],
      "interventions": [
        {
          "name": "Aspiration Marker",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": "2015-12",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-10-13T21:13:14.129Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02598713"
    },
    {
      "nct_id": "NCT04762680",
      "title": "Study of Recombinant Protein Vaccines With Adjuvant as a Primary Series and as a Booster Dose Against COVID-19 in Adults 18 Years of Age and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "SARS-CoV-2 recombinant protein vaccine Phase 2 Formulation 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SARS-CoV-2 recombinant protein vaccine Phase 2 Formulation 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SARS-CoV-2 recombinant protein vaccine Phase 2 Formulation 3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (D614)-AS03, Dosage A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (D614)-AS03, Dosage B",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03 Alternative Exploratory Formulation 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03 Alternative Exploratory Formulation 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03 Alternative Exploratory Formulation 3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03 Alternative Exploratory Formulation 4",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SARS-CoV-2 adjuvanted recombinant protein vaccine, bivalent (D614+B.1.351)-AS03",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3159,
      "start_date": "2021-02-24",
      "completion_date": "2023-06-29",
      "has_results": true,
      "last_update_posted_date": "2025-09-18",
      "last_synced_at": "2026-10-13T21:13:14.129Z",
      "location_count": 30,
      "location_summary": "Birmingham, Alabama • Chandler, Arizona • Glendale, Arizona + 26 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04762680"
    },
    {
      "nct_id": "NCT04737161",
      "title": "Safety of T Regulatory Cell Therapy in Subjects With COVID-19 Induced Acute Respiratory Distress Syndrome",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Respiratory Distress Syndrome",
        "Covid19"
      ],
      "interventions": [
        {
          "name": "T regulatory cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-03",
      "completion_date": "2022-09",
      "has_results": false,
      "last_update_posted_date": "2021-04-19",
      "last_synced_at": "2026-10-13T21:13:14.129Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04737161"
    },
    {
      "nct_id": "NCT04880642",
      "title": "A Trial to Investigate Recovery From COVID-19 With C21 in Adult Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "C21",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vicore Pharma AB",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 272,
      "start_date": "2021-09-16",
      "completion_date": "2022-04-25",
      "has_results": true,
      "last_update_posted_date": "2023-12-14",
      "last_synced_at": "2026-10-13T21:13:14.129Z",
      "location_count": 6,
      "location_summary": "Orange, California • Winfield, Illinois • Fort Wayne, Indiana + 3 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Winfield",
          "state": "Illinois"
        },
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        },
        {
          "city": "Minot",
          "state": "North Dakota"
        },
        {
          "city": "Allentown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04880642"
    },
    {
      "nct_id": "NCT04540510",
      "title": "OPEP Devices in Acute Inpatient Treatment of Pneumonia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Community-acquired Pneumonia"
      ],
      "interventions": [
        {
          "name": "OPEP therapy",
          "type": "DEVICE"
        },
        {
          "name": "Standard care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Danbury Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2019-08-13",
      "completion_date": "2021-02-18",
      "has_results": true,
      "last_update_posted_date": "2021-09-24",
      "last_synced_at": "2026-10-13T21:13:14.129Z",
      "location_count": 1,
      "location_summary": "Norwalk, Connecticut",
      "locations": [
        {
          "city": "Norwalk",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04540510"
    },
    {
      "nct_id": "NCT00873886",
      "title": "A Study of the Pharmacology of Oseltamivir (Tamiflu) in Pregnancy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pregnancy",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Oseltamivir (Tamiflu)",
          "type": "DRUG"
        },
        {
          "name": "Blood Draws",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2009-04",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2015-09-29",
      "last_synced_at": "2026-10-13T21:13:14.129Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00873886"
    },
    {
      "nct_id": "NCT04356690",
      "title": "Etoposide in Patients With COVID-19 Infection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Etoposide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2020-05-08",
      "completion_date": "2022-07-01",
      "has_results": true,
      "last_update_posted_date": "2023-06-15",
      "last_synced_at": "2026-10-13T21:13:14.129Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04356690"
    },
    {
      "nct_id": "NCT05104749",
      "title": "Homeopathic Treatment of Post-acute COVID-19 Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Post-acute Covid-19 Syndrome"
      ],
      "interventions": [
        {
          "name": "Homeopathic Medication",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Southwest College of Naturopathic Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 77,
      "start_date": "2021-09-15",
      "completion_date": "2022-04-22",
      "has_results": true,
      "last_update_posted_date": "2023-11-22",
      "last_synced_at": "2026-10-13T21:13:14.129Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05104749"
    }
  ]
}