{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Rhinosinusitis+%28Diagnosis%29&page=2",
    "query": {
      "condition": "Chronic Rhinosinusitis (Diagnosis)",
      "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=Chronic+Rhinosinusitis+%28Diagnosis%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T09:26:20.796Z",
  "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": "NCT01185808",
      "title": "Vitamin D Supplementation in Chronic Rhinosinusitis With Nasal Polyps",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Sinusitis"
      ],
      "interventions": [
        {
          "name": "Vitamin D",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "14 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2013-10",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2018-05-01",
      "last_synced_at": "2026-06-11T09:26:20.796Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01185808"
    },
    {
      "nct_id": "NCT02038166",
      "title": "Nasal Potential Difference (NPD) Protocol in Chronic Rhinosinusitis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rhinosinusitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2015-01",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-17",
      "last_synced_at": "2026-06-11T09:26:20.796Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02038166"
    },
    {
      "nct_id": "NCT03970655",
      "title": "Functional Endoscopic Sinus Surgery Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Chronic Rhinosinusitis (Diagnosis)"
      ],
      "interventions": [
        {
          "name": "Bupivacaine or Ropivacaine with epinephrine plus dexamethasone - Group 1",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine or Ropivacaine with epinephrine plus dexamethasone - Group 2",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 80,
      "start_date": "2019-09-25",
      "completion_date": "2027-01-23",
      "has_results": false,
      "last_update_posted_date": "2026-01-27",
      "last_synced_at": "2026-06-11T09:26:20.796Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03970655"
    },
    {
      "nct_id": "NCT02217332",
      "title": "Study of Dexpramipexole Chronic Sinusitis With Nasal Polyps and Eosinophilia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Sinusitis With Nasal Polyps and Eosinophilia"
      ],
      "interventions": [
        {
          "name": "dexpramipexole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Knopp Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2014-08",
      "completion_date": "2017-01-20",
      "has_results": true,
      "last_update_posted_date": "2021-05-18",
      "last_synced_at": "2026-06-11T09:26:20.796Z",
      "location_count": 7,
      "location_summary": "Boca Raton, Florida • Baltimore, Maryland • Boston, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02217332"
    },
    {
      "nct_id": "NCT02454608",
      "title": "Trial of Verapamil in Chronic Rhinosinusitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sinusitis",
        "Nasal Polyps"
      ],
      "interventions": [
        {
          "name": "Verapamil HCl",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Benjamin Bleier",
      "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": 29,
      "start_date": "2015-05",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2018-06-14",
      "last_synced_at": "2026-06-11T09:26:20.796Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02454608"
    },
    {
      "nct_id": "NCT02562924",
      "title": "The Efficacy of MEDIHONEY® for Chronic Rhinosinusitis With Nasal Polyposis After Functional Endoscopic Sinus Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Sinusitis",
        "Nasal Polyposis"
      ],
      "interventions": [
        {
          "name": "MEDIHONEY®",
          "type": "DEVICE"
        },
        {
          "name": "Budesonide",
          "type": "DRUG"
        },
        {
          "name": "Normal saline sinus rinse",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Endoscopic sinus surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "nasal saline spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Vermont 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": 40,
      "start_date": "2015-11",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2019-10-16",
      "last_synced_at": "2026-06-11T09:26:20.796Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02562924"
    },
    {
      "nct_id": "NCT06750471",
      "title": "Dupixent Study for Alternate Administration",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nasal Polyps",
        "Sinusitis",
        "Chronic Disease"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Madigan Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 30,
      "start_date": "2021-10-14",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-01-17",
      "last_synced_at": "2026-06-11T09:26:20.796Z",
      "location_count": 1,
      "location_summary": "Tacoma, Washington",
      "locations": [
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06750471"
    },
    {
      "nct_id": "NCT03607175",
      "title": "Adjunctive Treatment for Chronic Rhinosinusitis With Nasal Polyposis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Chronic Rhinosinusitis",
        "Nasal Polyps"
      ],
      "interventions": [
        {
          "name": "Triamcinolone-impregnated CMC foam",
          "type": "DRUG"
        },
        {
          "name": "Propel Stent",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Marina Boruk",
      "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": 30,
      "start_date": "2023-07-24",
      "completion_date": "2025-12-30",
      "has_results": false,
      "last_update_posted_date": "2023-08-01",
      "last_synced_at": "2026-06-11T09:26:20.796Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03607175"
    },
    {
      "nct_id": "NCT03358329",
      "title": "Safety Evaluation of Repeat Placement of the S8 Sinus Implant in Chronic Sinusitis Patients With Nasal Polyps (ENCORE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Sinusitis",
        "Nasal Polyposis"
      ],
      "interventions": [
        {
          "name": "S8 Sinus Implant",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Intersect ENT",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2017-11-13",
      "completion_date": "2019-01-17",
      "has_results": true,
      "last_update_posted_date": "2019-11-27",
      "last_synced_at": "2026-06-11T09:26:20.796Z",
      "location_count": 9,
      "location_summary": "Sacramento, California • New Haven, Connecticut • Naperville, Illinois + 6 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Naperville",
          "state": "Illinois"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Covington",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03358329"
    },
    {
      "nct_id": "NCT03154541",
      "title": "SynRinse Irrigation Pilot (SIP) Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Sinusitis, Chronic",
        "Cystic Fibrosis With Other Manifestations"
      ],
      "interventions": [
        {
          "name": "Synrinse",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2017-06-06",
      "completion_date": "2018-05-30",
      "has_results": false,
      "last_update_posted_date": "2018-10-17",
      "last_synced_at": "2026-06-11T09:26:20.796Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03154541"
    }
  ]
}