{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congestion%2C+Nasal",
    "query": {
      "condition": "Congestion, Nasal"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 34,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congestion%2C+Nasal&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T09:05:55.966Z",
  "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": "NCT00638755",
      "title": "The Effect of Nasal Carbon Dioxide (CO2) on Nasal Congestion in Subjects With Perennial Allergic Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Perennial Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Nasal Carbon Dioxide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Capnia, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "19 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2008-02",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2010-08-19",
      "last_synced_at": "2026-05-22T09:05:55.966Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00638755"
    },
    {
      "nct_id": "NCT01647633",
      "title": "Effects of AkPharma's Calcium Glycerophosphate Nasal Spray Wash",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Calcium Glycerophosphate Nasal Spray Wash",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Drexel University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 17,
      "start_date": "2012-05",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2015-05-25",
      "last_synced_at": "2026-05-22T09:05:55.966Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01647633"
    },
    {
      "nct_id": "NCT01859065",
      "title": "\"Anticipatory Guidance in the Nursery and Its Impact on Non-urgent Emergency Department Visits\"",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Knowledge, Attitudes, Practice",
        "Sneezing",
        "Constipation",
        "Nasal Congestion and Inflammations"
      ],
      "interventions": [
        {
          "name": "Intensified anticipatory guidance",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Routine",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Bronx-Lebanon Hospital Center Health Care System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 323,
      "start_date": "2011-12",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2013-05-21",
      "last_synced_at": "2026-05-22T09:05:55.966Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01859065"
    },
    {
      "nct_id": "NCT00825656",
      "title": "Comparative Study of Sinol and Sinol-M in Patients With Congestion Due to Allergic Rhinitis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Sinol or Sinol-M nasal spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Strategic Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2008-09",
      "completion_date": "2009-01",
      "has_results": false,
      "last_update_posted_date": "2009-01-23",
      "last_synced_at": "2026-05-22T09:05:55.966Z",
      "location_count": 1,
      "location_summary": "Wheaton, Maryland",
      "locations": [
        {
          "city": "Wheaton",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00825656"
    },
    {
      "nct_id": "NCT02113449",
      "title": "Market Potential of Carbon Dioxide Nasal Spray",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nasal Congestion"
      ],
      "interventions": [
        {
          "name": "Carbon Dioxide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 147,
      "start_date": "2013-11",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2015-04-30",
      "last_synced_at": "2026-05-22T09:05:55.966Z",
      "location_count": 4,
      "location_summary": "Chandler, Arizona • Pinellas Park, Florida • Paramus, New Jersey + 1 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Pinellas Park",
          "state": "Florida"
        },
        {
          "city": "Paramus",
          "state": "New Jersey"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02113449"
    },
    {
      "nct_id": "NCT04790487",
      "title": "Chlorpheniramine Maleate Nasal Spray for Chronic Rhinitis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Allergic Rhinitis",
        "Nasal Congestion"
      ],
      "interventions": [
        {
          "name": "CPM",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Larkin Community Hospital",
      "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": 0,
      "start_date": "2019-07-30",
      "completion_date": "2021-12-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-16",
      "last_synced_at": "2026-05-22T09:05:55.966Z",
      "location_count": 1,
      "location_summary": "South Miami, Florida",
      "locations": [
        {
          "city": "South Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04790487"
    },
    {
      "nct_id": "NCT03681093",
      "title": "Study of Efficacy of Fevipiprant in Patients With Nasal Polyposis and Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Nasal Polyps"
      ],
      "interventions": [
        {
          "name": "Fevipiprant 150 mg",
          "type": "DRUG"
        },
        {
          "name": "Fevipiprant 450 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 98,
      "start_date": "2019-03-26",
      "completion_date": "2020-06-10",
      "has_results": true,
      "last_update_posted_date": "2021-10-11",
      "last_synced_at": "2026-05-22T09:05:55.966Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03681093"
    },
    {
      "nct_id": "NCT01122849",
      "title": "Exploratory Subjective Sleep Study of a Prototype Nasal Dilator",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sleep Disorders",
        "Congestion, Nasal"
      ],
      "interventions": [
        {
          "name": "Prototype Nasal Dilator",
          "type": "DEVICE"
        },
        {
          "name": "Marketed Nasal Strip",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Nasal Strip",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2009-10-01",
      "completion_date": "2010-02-01",
      "has_results": true,
      "last_update_posted_date": "2018-04-09",
      "last_synced_at": "2026-05-22T09:05:55.966Z",
      "location_count": 2,
      "location_summary": "Paramus, New Jersey • Bethlehem, Pennsylvania",
      "locations": [
        {
          "city": "Paramus",
          "state": "New Jersey"
        },
        {
          "city": "Bethlehem",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01122849"
    },
    {
      "nct_id": "NCT00958776",
      "title": "A Study to Evaluate the Efficacy and Safety of IV Peramivir in Addition to Standard of Care Compared to Standard of Care Alone in Adults and Adolescents Who Are Hospitalized Due to Influenza",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cough",
        "Sore Throat",
        "Nasal Congestion",
        "Headache",
        "Fever",
        "Seasonal Influenza"
      ],
      "interventions": [
        {
          "name": "Peramivir+SOC",
          "type": "DRUG"
        },
        {
          "name": "Placebo+SOC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioCryst Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 405,
      "start_date": "2009-11",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2015-02-12",
      "last_synced_at": "2026-05-22T09:05:55.966Z",
      "location_count": 60,
      "location_summary": "La Mesa, California • Long Beach, California • Modesto, California + 49 more",
      "locations": [
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Modesto",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00958776"
    },
    {
      "nct_id": "NCT04910139",
      "title": "A User Study of the Soniflow System for Nasal Congestion Relief",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nasal Congestion"
      ],
      "interventions": [
        {
          "name": "Soniflow System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Third Wave Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2020-07-15",
      "completion_date": "2021-01-26",
      "has_results": true,
      "last_update_posted_date": "2023-10-12",
      "last_synced_at": "2026-05-22T09:05:55.966Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04910139"
    }
  ]
}