{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Signs+and+Symptoms%2C+Respiratory&page=49",
    "query": {
      "condition": "Signs and Symptoms, Respiratory",
      "page": 49
    },
    "page_size": 10
  },
  "pagination": {
    "page": 49,
    "page_size": 10,
    "total_count": 4712,
    "total_pages": 472,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Signs+and+Symptoms%2C+Respiratory&page=50&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Signs+and+Symptoms%2C+Respiratory&page=48&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T17:34:37.795Z",
  "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": "NCT01437878",
      "title": "Effects of Ventavis in Patients With Pulmonary Hypertension (PH) Secondary to Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Iloprost",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Actelion",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 2,
      "start_date": "2012-03",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2015-11-20",
      "last_synced_at": "2026-10-27T17:34:37.795Z",
      "location_count": 9,
      "location_summary": "Torrance, California • Jacksonville, Florida • Chicago, Illinois + 6 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01437878"
    },
    {
      "nct_id": "NCT01013948",
      "title": "Prevalence of Chronic Airway Obstruction in Subjects With a History of Cigarette Smoking in a Primary Care Setting",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Non-Interventional",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "87 Years",
        "sex": "ALL",
        "summary": "30 Years to 87 Years"
      },
      "enrollment_count": 1574,
      "start_date": "2009-02",
      "completion_date": "2009-05",
      "has_results": false,
      "last_update_posted_date": "2012-10-18",
      "last_synced_at": "2026-10-27T17:34:37.795Z",
      "location_count": 40,
      "location_summary": "Adamsville, Alabama • Foothill Ranch, California • Huntington Beach, California + 37 more",
      "locations": [
        {
          "city": "Adamsville",
          "state": "Alabama"
        },
        {
          "city": "Foothill Ranch",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Los Gatos",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estate",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01013948"
    },
    {
      "nct_id": "NCT01872533",
      "title": "Effect of 10-day Overnight Hypoxia Treatment on Whole Body Insulin Sensitivity (SLEEP HIGH Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Hypoxia Exposure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "20 Years to 45 Years · Male only"
      },
      "enrollment_count": 9,
      "start_date": "2011-07",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2015-12-02",
      "last_synced_at": "2026-10-27T17:34:37.795Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01872533"
    },
    {
      "nct_id": "NCT05682560",
      "title": "Human Umbilical Cord Blood (RegeneCyte) Infusion in Patients with Post-COVID Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Long COVID",
        "Post-COVID Syndrome",
        "Post COVID-19 Condition"
      ],
      "interventions": [
        {
          "name": "REGENECYTE",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "StemCyte, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2023-05-04",
      "completion_date": "2025-02-27",
      "has_results": false,
      "last_update_posted_date": "2025-03-24",
      "last_synced_at": "2026-10-27T17:34:37.795Z",
      "location_count": 1,
      "location_summary": "Miami Lakes, Florida",
      "locations": [
        {
          "city": "Miami Lakes",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05682560"
    },
    {
      "nct_id": "NCT01608490",
      "title": "Lung Volume Reduction Coil Treatment in Patients With Emphysema (RENEW) Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Emphysema"
      ],
      "interventions": [
        {
          "name": "RePneu Lung Volume Reduction Coil System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "35 Years and older"
      },
      "enrollment_count": 315,
      "start_date": "2012-10",
      "completion_date": "2019-07-26",
      "has_results": true,
      "last_update_posted_date": "2021-07-19",
      "last_synced_at": "2026-10-27T17:34:37.795Z",
      "location_count": 23,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Mountain View, California + 19 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mountain View",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01608490"
    },
    {
      "nct_id": "NCT06255613",
      "title": "Validation of Belun Ring Gen3 Deep Learning Algorithms With Subxiphoid Body Sensor",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep-Disordered Breathing",
        "Sleep Architecture",
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Belun Ring",
          "type": "DEVICE"
        },
        {
          "name": "Belun Cor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Belun Technology Company Limited",
      "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": 79,
      "start_date": "2024-07-19",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-10-27T17:34:37.795Z",
      "location_count": 2,
      "location_summary": "Chardon, Ohio • Cleveland, Ohio",
      "locations": [
        {
          "city": "Chardon",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06255613"
    },
    {
      "nct_id": "NCT07674745",
      "title": "Autoantibody Reduction Therapy for Progressive Idiopathic Pulmonary Fibrosis",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Idiopathic Pulmonary Fibrosis"
      ],
      "interventions": [
        {
          "name": "Therapeutic Plasma Exchange",
          "type": "OTHER"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Intravenous immunoglobulin",
          "type": "DRUG"
        },
        {
          "name": "Treatment as Usual",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 52,
      "start_date": "2026-12-01",
      "completion_date": "2031-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-27T17:34:37.795Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Chicago, Illinois • Kansas City, Kansas + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07674745"
    },
    {
      "nct_id": "NCT00448045",
      "title": "Preventing Pneumonia and Other Respiratory Problems in Persons With Spinal Cord Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Spinal Cord Injury"
      ],
      "interventions": [
        {
          "name": "Manual and mechanical assisted cough",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Incentive spirometry",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kessler Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 120,
      "start_date": "2007-06",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2013-01-15",
      "last_synced_at": "2026-10-27T17:34:37.795Z",
      "location_count": 1,
      "location_summary": "West Orange, New Jersey",
      "locations": [
        {
          "city": "West Orange",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00448045"
    },
    {
      "nct_id": "NCT07898553",
      "title": "AATD-Liver Scan Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alpha-1 Antitrypsin Deficiency",
        "AATD",
        "Alpha-1 Protease Inhibitor Deficiency",
        "Alpha-1 AT Deficiency",
        "Alpha-1 Antitrypsin Deficiency (AATD)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Alpha-1 Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2026-01-27",
      "completion_date": "2030-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-27",
      "last_synced_at": "2026-10-27T17:34:37.795Z",
      "location_count": 1,
      "location_summary": "Coral Gables, Florida",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07898553"
    },
    {
      "nct_id": "NCT02315066",
      "title": "Study Of OX40 Agonist PF-04518600 Alone And In Combination With 4-1BB Agonist PF-05082566",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neoplasms"
      ],
      "interventions": [
        {
          "name": "PF-04518600",
          "type": "DRUG"
        },
        {
          "name": "PF-04518600 plus PF-05082566",
          "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": 174,
      "start_date": "2015-04-23",
      "completion_date": "2020-11-12",
      "has_results": true,
      "last_update_posted_date": "2022-04-21",
      "last_synced_at": "2026-10-27T17:34:37.795Z",
      "location_count": 24,
      "location_summary": "Los Angeles, California • Newport Beach, California • Santa Monica, California + 9 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02315066"
    }
  ]
}