{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Rhinitis%2C+Allergic%2C+Seasonal&page=4",
    "query": {
      "condition": "Rhinitis, Allergic, Seasonal",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 128,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Rhinitis%2C+Allergic%2C+Seasonal&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Rhinitis%2C+Allergic%2C+Seasonal&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T02:03:41.943Z",
  "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": "NCT00839189",
      "title": "Effect of a 10,000 EU Dose of Endotoxin in Allergic and Mildly Asthmatic Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Rhinitis, Allergic, Perennial",
        "Rhinitis, Allergic, Seasonal",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Clinical Center Reference Endotoxin (CCRE)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": 11,
      "start_date": "2002-10",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2009-12-09",
      "last_synced_at": "2026-10-09T02:03:41.943Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00839189"
    },
    {
      "nct_id": "NCT00197262",
      "title": "Once-Daily Investigational Nasal Spray In Adults And Adolescents With Seasonal Allergic Rhinitis (SAR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rhinitis, Allergic, Seasonal"
      ],
      "interventions": [
        {
          "name": "GW685698X Aqueous Nasal Spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 288,
      "start_date": "2005-08",
      "completion_date": "2005-10",
      "has_results": false,
      "last_update_posted_date": "2017-01-19",
      "last_synced_at": "2026-10-09T02:03:41.943Z",
      "location_count": 18,
      "location_summary": "Chicago, Illinois • Indianapolis, Indiana • Lafayette, Indiana + 14 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Lafayette",
          "state": "Indiana"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Novi",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00197262"
    },
    {
      "nct_id": "NCT00659841",
      "title": "To Assess the Safety and Efficacy of Ciclesonide, Applied as a Nasal Spray in the Treatment of Seasonal Allergic Rhinitis (BY9010/M1-401)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rhinitis, Allergic, Seasonal",
        "Hay Fever"
      ],
      "interventions": [
        {
          "name": "Ciclesonide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 302,
      "start_date": "2003-12",
      "completion_date": "2005-02",
      "has_results": false,
      "last_update_posted_date": "2016-12-02",
      "last_synced_at": "2026-10-09T02:03:41.943Z",
      "location_count": 6,
      "location_summary": "Austin, Texas • Kerrville, Texas • New Braunfels, Texas + 1 more",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Kerrville",
          "state": "Texas"
        },
        {
          "city": "New Braunfels",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00659841"
    },
    {
      "nct_id": "NCT01500629",
      "title": "Study of a Topical Nasal Spray to Ease the Symptoms of Hayfever",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Rhinitis, Allergic, Seasonal"
      ],
      "interventions": [
        {
          "name": "C-1266-7",
          "type": "DEVICE"
        },
        {
          "name": "C-1266-6 (placebo)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "McNeil Consumer Healthcare Division of McNEIL-PPC, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 21,
      "start_date": "2012-01",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2017-02-27",
      "last_synced_at": "2026-10-09T02:03:41.943Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01500629"
    },
    {
      "nct_id": "NCT00118729",
      "title": "Study In Adolescent And Adult Subjects 12 Years Of Age And Older With Seasonal Allergic Rhinitis To Assess Onset of Action",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rhinitis, Allergic, Seasonal"
      ],
      "interventions": [
        {
          "name": "GW685698X Aqueous Nasal Spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 380,
      "start_date": "2005-04",
      "completion_date": "2005-08",
      "has_results": false,
      "last_update_posted_date": "2016-09-15",
      "last_synced_at": "2026-10-09T02:03:41.943Z",
      "location_count": 1,
      "location_summary": "Woodstock, Georgia",
      "locations": [
        {
          "city": "Woodstock",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00118729"
    },
    {
      "nct_id": "NCT00719862",
      "title": "A Study to Evaluate the Safety & Effectiveness of a Nasal Spray to Treat Seasonal Allergies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Placebo nasal spray",
          "type": "DRUG"
        },
        {
          "name": "0.15% azelastine hydrochloride Nasal Spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Meda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "12 Years and older · Female only"
      },
      "enrollment_count": 481,
      "start_date": "2007-08",
      "completion_date": "2007-11",
      "has_results": true,
      "last_update_posted_date": "2010-02-02",
      "last_synced_at": "2026-10-09T02:03:41.943Z",
      "location_count": 34,
      "location_summary": "Huntington Beach, California • Long Beach, California • San Diego, California + 30 more",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Stockton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00719862"
    },
    {
      "nct_id": "NCT01850823",
      "title": "Clinical Equivalence Study of Mometasone Nasal Spray",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "Mometasone nasal spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Actavis Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 880,
      "start_date": "2013-02",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2020-08-19",
      "last_synced_at": "2026-10-09T02:03:41.943Z",
      "location_count": 25,
      "location_summary": "Stockbridge, Georgia • Louisville, Kentucky • Bethesda, Maryland + 17 more",
      "locations": [
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01850823"
    },
    {
      "nct_id": "NCT00438646",
      "title": "Oral Bacteria and Allergic Disease in Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Rhinitis",
        "Eczema",
        "Respiratory Sounds",
        "Hypersensitivity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "6 Years to 11 Years"
      },
      "enrollment_count": 60,
      "start_date": "2007-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-08-25",
      "last_synced_at": "2026-10-09T02:03:41.943Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00438646"
    },
    {
      "nct_id": "NCT00789555",
      "title": "Safety of PATANASE Nasal Spray in Patients With Perennial Allergic Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Perennial Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Olopatadine hydrochloride 0.6% nasal spray (PATANASE)",
          "type": "DRUG"
        },
        {
          "name": "Olopatadine nasal spray vehicle, pH 3.7",
          "type": "OTHER"
        },
        {
          "name": "Olopatadine nasal spray vehicle, pH 7.0",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 1260,
      "start_date": "2008-11",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2018-02-08",
      "last_synced_at": "2026-10-09T02:03:41.943Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00789555"
    },
    {
      "nct_id": "NCT00619801",
      "title": "Safety Study of Levocetirizine Dihydrochloride Oral Liquid Formulation in Children Aged 1 to Less Than 6 Years Suffering From Allergic Rhinitis or Chronic Urticaria of Unknown Origin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Allergic Rhinitis",
        "Chronic Urticaria"
      ],
      "interventions": [
        {
          "name": "Levocetirizine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UCB Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "2 Years to 6 Years"
      },
      "enrollment_count": 173,
      "start_date": "2008-03",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2015-03-06",
      "last_synced_at": "2026-10-09T02:03:41.943Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Beverly Hills, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Crescent City",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00619801"
    }
  ]
}