{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Nasal+Congestion&page=2",
    "query": {
      "condition": "Nasal Congestion",
      "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=Nasal+Congestion&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T09:05:59.552Z",
  "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": "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": "2026-05-22T09:05:59.552Z",
      "location_count": 1,
      "location_summary": "Blue Bell, Pennsylvania",
      "locations": [
        {
          "city": "Blue Bell",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04534452"
    },
    {
      "nct_id": "NCT00147888",
      "title": "Changes in Nasal Patency With Changes in Posture, Temperature, Humidity and Nasal Patency Seen by Acoustic Rhinometry",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Mucosal Congestion"
      ],
      "interventions": [
        {
          "name": "Acoustic rhinometry (procedure)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "58 Years",
        "sex": "ALL",
        "summary": "18 Years to 58 Years"
      },
      "enrollment_count": 15,
      "start_date": "2004-03",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2013-09-05",
      "last_synced_at": "2026-05-22T09:05:59.552Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00147888"
    },
    {
      "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": "2026-05-22T09:05:59.552Z",
      "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": "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": "2026-05-22T09:05:59.552Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03906968"
    },
    {
      "nct_id": "NCT02493257",
      "title": "Intranasal Capsaicin Treatment for Non-Allergic Irritant Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nonallergic Irritant Rhinitis"
      ],
      "interventions": [
        {
          "name": "Capsaicin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 22,
      "start_date": "2014-10",
      "completion_date": "2019-08-02",
      "has_results": true,
      "last_update_posted_date": "2020-08-17",
      "last_synced_at": "2026-05-22T09:05:59.552Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02493257"
    },
    {
      "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": "2026-05-22T09:05:59.552Z",
      "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": "NCT06268730",
      "title": "Effects of SinuSonic on Psychological and Physical Well-Being",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nasal Congestion and Inflammations",
        "Sinus Congestion Chronic"
      ],
      "interventions": [
        {
          "name": "SinuSonic",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 16,
      "start_date": "2024-04-08",
      "completion_date": "2025-04-15",
      "has_results": true,
      "last_update_posted_date": "2026-01-08",
      "last_synced_at": "2026-05-22T09:05:59.552Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06268730"
    },
    {
      "nct_id": "NCT00829634",
      "title": "Steady State Kinetics of l-Methamphetamine and Validation of Sensitivity of Dose Estimation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nasal Congestion"
      ],
      "interventions": [
        {
          "name": "l-methamphetamine",
          "type": "DRUG"
        },
        {
          "name": "d-methamphetamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "California Pacific Medical Center Research Institute",
      "sponsor_class": "OTHER",
      "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": "2008-10",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2013-05-31",
      "last_synced_at": "2026-05-22T09:05:59.552Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00829634"
    },
    {
      "nct_id": "NCT03549130",
      "title": "A Pivotal Study to Assess the Effectiveness of Nasal Dilator (Breathe Right Nasal Strips)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Congestion, Nasal"
      ],
      "interventions": [
        {
          "name": "Breathe Right Tan (small/medium) nasal strips",
          "type": "DEVICE"
        },
        {
          "name": "Placebo nasal strip",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "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": 130,
      "start_date": "2010-11-04",
      "completion_date": "2011-02-17",
      "has_results": true,
      "last_update_posted_date": "2018-09-25",
      "last_synced_at": "2026-05-22T09:05:59.552Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • Paramus, New Jersey",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Paramus",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03549130"
    },
    {
      "nct_id": "NCT02630121",
      "title": "Effect of Oxymetazoline Hydrochloride in Combination With Fluticasone Propionate on the Apnea Hypopnea Index (AHI) in Subject With Persistent Nasal Congestion and Mild Obstructive Sleep Apnea",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sleep Apnea",
        "Chronic Nasal Congestion"
      ],
      "interventions": [
        {
          "name": "Oxymetazoline Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of South Florida",
      "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": 52,
      "start_date": "2023-04-01",
      "completion_date": "2026-04",
      "has_results": false,
      "last_update_posted_date": "2025-01-24",
      "last_synced_at": "2026-05-22T09:05:59.552Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02630121"
    }
  ]
}