{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Respiratory+Tract+Infection+Acute&page=2",
    "query": {
      "condition": "Respiratory Tract Infection Acute",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Respiratory+Tract+Infection+Acute&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T09:30:22.413Z",
  "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": "NCT05618574",
      "title": "Nitrite Supplementation in Long COVID Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Long COVID",
        "Cardiorespiratory Fitness"
      ],
      "interventions": [
        {
          "name": "140 ml per day of Beet-It nitrate beverage (James White Drinks Ltd., Ipswich, UK)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "210 ml of nitrate-depleted placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2023-12-01",
      "completion_date": "2025-02-14",
      "has_results": false,
      "last_update_posted_date": "2025-03-19",
      "last_synced_at": "2026-07-24T09:30:22.413Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05618574"
    },
    {
      "nct_id": "NCT07249320",
      "title": "Evaluating ABRYSVO Maternal Vaccine Effectiveness Among Infants",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Syncytial Virus (RSV)"
      ],
      "interventions": [
        {
          "name": "ABRYSVO",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "0 Years to 50 Years"
      },
      "enrollment_count": 1,
      "start_date": "2025-12-01",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-07-24T09:30:22.413Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07249320"
    },
    {
      "nct_id": "NCT05638620",
      "title": "Dual Sympathetic Blocks for Patients Experiencing Sympathetically-Mediated Symptoms From Long COVID",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Post Acute COVID-19 Syndrome",
        "Long COVID",
        "Long Covid19",
        "COVID-19 Recurrent",
        "Post-Acute COVID-19",
        "Post-Acute COVID-19 Infection",
        "SARS-CoV2 Infection",
        "Post Acute Sequelae of COVID-19",
        "Dysautonomia",
        "Dysautonomia Like Disorder",
        "Dysautonomia Orthostatic Hypotension Syndrome",
        "Post COVID-19 Condition",
        "Post-COVID Syndrome",
        "Post COVID-19 Condition, Unspecified",
        "Post-COVID-19 Syndrome"
      ],
      "interventions": [
        {
          "name": "stellate ganglion block with 0.5% bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jonathann Kuo, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 20,
      "start_date": "2023-01-03",
      "completion_date": "2023-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-03-13",
      "last_synced_at": "2026-07-24T09:30:22.413Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05638620"
    },
    {
      "nct_id": "NCT04581161",
      "title": "Proportional Open Ventilation (POV) Device and Its Efficacy in Managing Acute Respiratory Failure in COVID-19 Patients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Respiratory Failure",
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Life2000® Ventilator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Hill-Rom",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2020-08-28",
      "completion_date": "2020-10",
      "has_results": false,
      "last_update_posted_date": "2020-10-09",
      "last_synced_at": "2026-07-24T09:30:22.413Z",
      "location_count": 1,
      "location_summary": "Bloomington, Minnesota",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04581161"
    },
    {
      "nct_id": "NCT07634419",
      "title": "Self-directed Mobile Mindfulness to Address ICU Survivors' Psychological Distress",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Critical Illness",
        "Heart Failure",
        "Sepsis",
        "Ards",
        "Pneumonia",
        "Trauma Injury"
      ],
      "interventions": [
        {
          "name": "Lift mobile mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enlighten Recovery education program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2027-01-01",
      "completion_date": "2031-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-07-24T09:30:22.413Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Durham, North Carolina • Charleston, South Carolina",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07634419"
    },
    {
      "nct_id": "NCT05074719",
      "title": "Index Individuals in SARS-CoV-2 Prevention Research Studies (COVID-19 Index Individuals Companion Study)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2 Infection",
        "COVID-19",
        "Coronavirus Infection",
        "SARS (Severe Acute Respiratory Syndrome)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 155,
      "start_date": "2020-12-10",
      "completion_date": "2021-10-31",
      "has_results": false,
      "last_update_posted_date": "2021-12-15",
      "last_synced_at": "2026-07-24T09:30:22.413Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05074719"
    },
    {
      "nct_id": "NCT05129475",
      "title": "Food Effect Study to Evaluate the Effect of High-Fat Meal on the Relative Bioavailability of PF-07321332 Boosted With Ritonavir in Healthy Adult Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "PF-07321332/ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2021-11-12",
      "completion_date": "2022-01-12",
      "has_results": true,
      "last_update_posted_date": "2023-10-05",
      "last_synced_at": "2026-07-24T09:30:22.413Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05129475"
    },
    {
      "nct_id": "NCT04383730",
      "title": "Inhaled Sedation in COVID-19-related Acute Respiratory Distress Syndrome (ISCA): an International Research Data Study in the Recent Context of Widespread Disease Resulting From the 2019 (SARS-CoV2) Coronavirus Pandemics (COVID-19)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Critically Illness",
        "Sedation",
        "Invasive Mechanical Ventilation",
        "Acute Respiratory Distress Syndrome"
      ],
      "interventions": [
        {
          "name": "Intravenous sedation",
          "type": "DRUG"
        },
        {
          "name": "Inhaled sedation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University Hospital, Clermont-Ferrand",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 203,
      "start_date": "2020-06-26",
      "completion_date": "2021-04-30",
      "has_results": false,
      "last_update_posted_date": "2021-09-05",
      "last_synced_at": "2026-07-24T09:30:22.413Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04383730"
    },
    {
      "nct_id": "NCT04603677",
      "title": "Northern Colorado COVID-19 Biobank",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Colorado State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 148,
      "start_date": "2020-07-08",
      "completion_date": "2023-02-28",
      "has_results": false,
      "last_update_posted_date": "2023-03-21",
      "last_synced_at": "2026-07-24T09:30:22.413Z",
      "location_count": 4,
      "location_summary": "Fort Collins, Colorado • Greeley, Colorado • Loveland, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "Greeley",
          "state": "Colorado"
        },
        {
          "city": "Loveland",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04603677"
    },
    {
      "nct_id": "NCT04421508",
      "title": "A Study to Assess Pulsed Inhaled Nitric Oxide vs Placebo in Subjects With Mild or Moderate COVID-19",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID-19",
        "Coronavirus",
        "Coronavirus Infection"
      ],
      "interventions": [
        {
          "name": "INOpulse",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Bellerophon Pulse Technologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 191,
      "start_date": "2020-07-12",
      "completion_date": "2021-01-22",
      "has_results": true,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-07-24T09:30:22.413Z",
      "location_count": 17,
      "location_summary": "Phoenix, Arizona • San Diego, California • Miami, Florida + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chesterfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04421508"
    }
  ]
}