{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Signs+and+Symptoms%2C+Respiratory&page=4",
    "query": {
      "condition": "Signs and Symptoms, Respiratory",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 4703,
    "total_pages": 471,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Signs+and+Symptoms%2C+Respiratory&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Signs+and+Symptoms%2C+Respiratory&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T12:29:06.339Z",
  "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": "NCT03348189",
      "title": "SpO2 Hypoxia Accuracy Validation Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypoxia"
      ],
      "interventions": [
        {
          "name": "Pulse Oximeter",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nonin Medical, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 12,
      "start_date": "2017-11-01",
      "completion_date": "2017-11-03",
      "has_results": false,
      "last_update_posted_date": "2017-11-20",
      "last_synced_at": "2026-10-11T12:29:06.339Z",
      "location_count": 1,
      "location_summary": "Louisville, Colorado",
      "locations": [
        {
          "city": "Louisville",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03348189"
    },
    {
      "nct_id": "NCT04780984",
      "title": "Tiotropium Bromide Inhalation Solution in Subjects With Chronic Obstructive Pulmonary Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease (COPD)"
      ],
      "interventions": [
        {
          "name": "Tiotropium bromide inhalation solution",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nephron Pharmaceuticals Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 116,
      "start_date": "2020-11-01",
      "completion_date": "2021-04-26",
      "has_results": false,
      "last_update_posted_date": "2021-05-10",
      "last_synced_at": "2026-10-11T12:29:06.339Z",
      "location_count": 1,
      "location_summary": "Rock Hill, South Carolina",
      "locations": [
        {
          "city": "Rock Hill",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04780984"
    },
    {
      "nct_id": "NCT03143920",
      "title": "Hyperbaric Oxygen Therapy for Inflammatory Conditions of the Urinary Bladder",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Chronic Interstitial Cystitis",
        "Painful Bladder Syndrome",
        "Recurrent Urinary Tract Infection"
      ],
      "interventions": [
        {
          "name": "Hyperbaric Oxygen Therapy-",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 70 Years · Female only"
      },
      "enrollment_count": 11,
      "start_date": "2017-11-01",
      "completion_date": "2022-07-07",
      "has_results": false,
      "last_update_posted_date": "2022-07-11",
      "last_synced_at": "2026-10-11T12:29:06.339Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03143920"
    },
    {
      "nct_id": "NCT07088120",
      "title": "PRECISION-CPR: PRecision-Controlled Ventilation in CPR",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Arrest (CA)"
      ],
      "interventions": [
        {
          "name": "Precision-Controlled Ventilation with Real-Time Feedback",
          "type": "DEVICE"
        },
        {
          "name": "Standard Manual Ventilation During CPR",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Rush University 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": 852,
      "start_date": "2026-09-01",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-10-11T12:29:06.339Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07088120"
    },
    {
      "nct_id": "NCT00757120",
      "title": "Biomarkers and Genetic Factors Related to Emphysema",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Emphysema",
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 145,
      "start_date": "2007-10",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2018-05-04",
      "last_synced_at": "2026-10-11T12:29:06.339Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00757120"
    },
    {
      "nct_id": "NCT05693168",
      "title": "Accuracy of Pulse Oximeter With Profound Hypoxia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypoxia"
      ],
      "interventions": [
        {
          "name": "ANNE Limb Sensor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sibel Health Inc.",
      "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": 12,
      "start_date": "2021-06-23",
      "completion_date": "2021-06-24",
      "has_results": false,
      "last_update_posted_date": "2023-01-20",
      "last_synced_at": "2026-10-11T12:29:06.339Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05693168"
    },
    {
      "nct_id": "NCT06597396",
      "title": "Study to Investigate the Efficacy of Abrocitinib in Adult Participants With Severe Fatigue From Post COVID Condition/Long COVID",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post-COVID Condition",
        "Fatigue Symptom"
      ],
      "interventions": [
        {
          "name": "Abrocitinib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 46,
      "start_date": "2024-12-27",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-10-11T12:29:06.339Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06597396"
    },
    {
      "nct_id": "NCT02503241",
      "title": "Open Lung Strategy in Critically Ill Morbid Obese Patients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Respiratory Insufficiency",
        "Right-Sided Heart Failure",
        "Pulmonary Atelectasis",
        "Respiratory Mechanics"
      ],
      "interventions": [
        {
          "name": "PEEP INCREMENTAL",
          "type": "PROCEDURE"
        },
        {
          "name": "PEEP DECREMENTAL",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 21,
      "start_date": "2016-04",
      "completion_date": "2022-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-11-17",
      "last_synced_at": "2026-10-11T12:29:06.339Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02503241"
    },
    {
      "nct_id": "NCT04079829",
      "title": "Postoperative Respiratory Abnormalities",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Failure",
        "Respiratory Arrest",
        "Respiratory Distress Syndrome",
        "Acute Respiratory Failure",
        "Acute Respiratory Failure With Hypoxia",
        "Acute Respiratory Failure With Hypercapnia",
        "Acute Respiratory Failure Post Surgical",
        "Acute Respiratory Failure Postprocedural",
        "Acute Respiratory Failure Following Trauma and Surgery",
        "Acute Respiratory Failure Requiring Reintubation",
        "Acute Respiratory Failure Post Traumatic",
        "Acute Respiratory Decompensation",
        "Shock",
        "Shock, Septic",
        "Shock, Cardiogenic",
        "Acute Cardiac Failure",
        "Multi Organ Failure",
        "Acute Kidney Failure"
      ],
      "interventions": [
        {
          "name": "Observational retrospective cohort to describe data validity; and Data reliability; and Completeness of the data",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Efficacy Care R&D Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 50000,
      "start_date": "2019-09-01",
      "completion_date": "2020-10",
      "has_results": false,
      "last_update_posted_date": "2020-06-24",
      "last_synced_at": "2026-10-11T12:29:06.339Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04079829"
    },
    {
      "nct_id": "NCT05037929",
      "title": "A Study to Evaluate the Efficacy and Safety of Astegolimab in Participants With Chronic Obstructive Pulmonary Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Astegolimab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "40 Years to 90 Years"
      },
      "enrollment_count": 1334,
      "start_date": "2021-10-05",
      "completion_date": "2025-07-07",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-10-11T12:29:06.339Z",
      "location_count": 34,
      "location_summary": "Dothan, Alabama • Jasper, Alabama • Mobile, Alabama + 29 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Poway",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05037929"
    }
  ]
}