{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congestion%2C+Nasal&page=2",
    "query": {
      "condition": "Congestion, Nasal",
      "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=Congestion%2C+Nasal&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T18:00:23.287Z",
  "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": "2026-07-23T18:00:23.287Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00638755"
    },
    {
      "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": "2026-07-23T18:00:23.287Z",
      "location_count": 1,
      "location_summary": "Wheaton, Maryland",
      "locations": [
        {
          "city": "Wheaton",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00825656"
    },
    {
      "nct_id": "NCT03906968",
      "title": "The Safety and Efficacy of a SinuSonic Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nasal Congestion"
      ],
      "interventions": [
        {
          "name": "SinuSonic Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2019-03-31",
      "completion_date": "2019-12-16",
      "has_results": true,
      "last_update_posted_date": "2021-04-22",
      "last_synced_at": "2026-07-23T18:00:23.287Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03906968"
    },
    {
      "nct_id": "NCT04534452",
      "title": "Study to Find Out Whether Participants With a History of Stuffy Nose Due to Allergic Reactions in the Nose Would Intend to Buy Drug Phenylephrine Hydrochloride Extended Release Tablets After Receiving it Once in This Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Nasal Congestion Due to Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Phenylephrine HCl (Sinus Comfort, BAY112476)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 347,
      "start_date": "2012-05-12",
      "completion_date": "2012-06-06",
      "has_results": false,
      "last_update_posted_date": "2020-09-01",
      "last_synced_at": "2026-07-23T18:00:23.287Z",
      "location_count": 1,
      "location_summary": "Blue Bell, Pennsylvania",
      "locations": [
        {
          "city": "Blue Bell",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04534452"
    },
    {
      "nct_id": "NCT02026349",
      "title": "Phase 3 Efficacy and Safety Study of Favipiravir for Treatment of Uncomplicated Influenza in Adults - T705US316",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "favipiravir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MDVI, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 860,
      "start_date": "2014-01",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2015-11-11",
      "last_synced_at": "2026-07-23T18:00:23.287Z",
      "location_count": 60,
      "location_summary": "Birmingham, Alabama • Hunstville, Alabama • Hot Springs, Arkansas + 48 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hunstville",
          "state": "Alabama"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02026349"
    },
    {
      "nct_id": "NCT06106880",
      "title": "Alleviation of Common Cold Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Common Cold",
        "Pharyngitis",
        "Fever",
        "Congestion",
        "Rhinorrhea",
        "Cough",
        "Sore-throat",
        "Sore Throats Viral",
        "Malaise",
        "Headache",
        "Runny Nose",
        "Sneezing"
      ],
      "interventions": [
        {
          "name": "Wintergreen Throat Spray and Aspirin Tablet",
          "type": "DRUG"
        },
        {
          "name": "Aspirin Throat Spray and Placebo Tablet",
          "type": "DRUG"
        },
        {
          "name": "Wintergreen Throat Spray and Placebo Tablet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Throat Spray and Placebo Tablet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Applied Biological Laboratories Inc",
      "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": 157,
      "start_date": "2022-05-25",
      "completion_date": "2023-06-16",
      "has_results": false,
      "last_update_posted_date": "2024-01-16",
      "last_synced_at": "2026-07-23T18:00:23.287Z",
      "location_count": 6,
      "location_summary": "Irvine, California • Washington D.C., District of Columbia • Atlanta, Georgia + 3 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06106880"
    },
    {
      "nct_id": "NCT01062360",
      "title": "Placebo and Active Controlled Study to Assess Efficacy and Tolerability of Aspirin Plus Pseudoephedrine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Common Cold",
        "Pharyngitis"
      ],
      "interventions": [
        {
          "name": "Acetylsalicylic Acid (Aspirin Complex, BAYE4465) + Pseudoephedrine",
          "type": "DRUG"
        },
        {
          "name": "Acetylsalicylic Acid (Aspirin, BAYE4465)",
          "type": "DRUG"
        },
        {
          "name": "Pseudoephedrine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "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": 1016,
      "start_date": "2005-12-23",
      "completion_date": "2007-05-14",
      "has_results": false,
      "last_update_posted_date": "2017-09-01",
      "last_synced_at": "2026-07-23T18:00:23.287Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01062360"
    },
    {
      "nct_id": "NCT02008344",
      "title": "Phase 3 Efficacy and Safety Study of Favipiravir for Treatment of Uncomplicated Influenza in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "favipiravir",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MDVI, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 1161,
      "start_date": "2013-12",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2015-11-11",
      "last_synced_at": "2026-07-23T18:00:23.287Z",
      "location_count": 147,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Camp Verde, Arizona + 123 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Camp Verde",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02008344"
    },
    {
      "nct_id": "NCT00665977",
      "title": "Effect of Heated Humidity With Thermosmart™ Compared to an Intranasal Steroid in Improving Compliance and Nasal Symptoms in Patients Using Continuous Positive Airway Pressure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obstructive Sleep Apnea",
        "Nasal Congestion",
        "Sinus Congestion"
      ],
      "interventions": [
        {
          "name": "Thermosmart & placebo",
          "type": "DRUG"
        },
        {
          "name": "Placebo Device & Nasacort",
          "type": "DRUG"
        },
        {
          "name": "Placebo Arm",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Clayton Sleep Insititute",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "16 Years to 65 Years"
      },
      "enrollment_count": 44,
      "start_date": "2007-09",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2010-07-07",
      "last_synced_at": "2026-07-23T18:00:23.287Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00665977"
    },
    {
      "nct_id": "NCT01744106",
      "title": "A Multicenter Study of Pseudoephedrine for the Temporary Relief of Nasal Congestion in Children With the Common Cold",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Nasal Congestion Associated With the Common Cold"
      ],
      "interventions": [
        {
          "name": "pseudoephedrine hydrochloride 30 mg tablets",
          "type": "DRUG"
        },
        {
          "name": "Placebo tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Perrigo Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "6 Years to 11 Years"
      },
      "enrollment_count": 565,
      "start_date": "2012-11",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-04-22",
      "last_synced_at": "2026-07-23T18:00:23.287Z",
      "location_count": 11,
      "location_summary": "Anaheim, California • Costa Mesa, California • Boise, Idaho + 8 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01744106"
    }
  ]
}