{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Rhinitis%2C+Allergic%2C+Seasonal&page=3",
    "query": {
      "condition": "Rhinitis, Allergic, Seasonal",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "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=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Rhinitis%2C+Allergic%2C+Seasonal&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T05:55:16.043Z",
  "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": "NCT00628108",
      "title": "Safety Study of Levocetirizine Dihydrochloride Oral Liquid Formulation in Children Aged 6 Months to 11 Months",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Allergic Rhinitis",
        "Chronic Urticaria"
      ],
      "interventions": [
        {
          "name": "Levocetirizine 1.25 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "UCB Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "11 Months",
        "sex": "ALL",
        "summary": "6 Months to 11 Months"
      },
      "enrollment_count": 69,
      "start_date": "2008-03",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2015-03-06",
      "last_synced_at": "2026-10-06T05:55:16.043Z",
      "location_count": 26,
      "location_summary": "Birmingham, Alabama • Hot Springs, Arkansas • Jonesboro, Arkansas + 23 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00628108"
    },
    {
      "nct_id": "NCT02402465",
      "title": "Factors Involved in Dymista's Superior Clinical Efficacy in the Treatment of Seasonal Allergic Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone propionate",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone/Azelastine nasal spray",
          "type": "DRUG"
        },
        {
          "name": "Nasal Allergen Challenge",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 22,
      "start_date": "2015-02",
      "completion_date": "2020-02",
      "has_results": true,
      "last_update_posted_date": "2024-10-17",
      "last_synced_at": "2026-10-06T05:55:16.043Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02402465"
    },
    {
      "nct_id": "NCT02582073",
      "title": "Dose Selection Study of Efficacy and Safety of Different Doses of Grass MATA MPL and Grass MATA Using mEECs™",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Placebo (0.5ml)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (1.0ml)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Grass MATA MPL (0.5ml) 5100SU",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Grass MATA MPL (1.0ml) 10200SU",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Grass MATA MPL (1.0ml) 18200SU",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Grass MATA (0.5ml) 5100SU",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Allergy Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 265,
      "start_date": "2015-11-07",
      "completion_date": "2017-04-28",
      "has_results": false,
      "last_update_posted_date": "2021-01-29",
      "last_synced_at": "2026-10-06T05:55:16.043Z",
      "location_count": 1,
      "location_summary": "Neptune City, New Jersey",
      "locations": [
        {
          "city": "Neptune City",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02582073"
    },
    {
      "nct_id": "NCT01280149",
      "title": "Reduction of IgE Antibody in Human Allergic Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "substance P",
          "type": "BIOLOGICAL"
        },
        {
          "name": "substance P injections",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Northwestern University",
      "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": 40,
      "start_date": "2011-01",
      "completion_date": "2017-06-20",
      "has_results": false,
      "last_update_posted_date": "2018-08-21",
      "last_synced_at": "2026-10-06T05:55:16.043Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01280149"
    },
    {
      "nct_id": "NCT01458275",
      "title": "A Safety and Efficacy Study of Ciclesonide Nasal Aerosol in Subjects 6-11 Years With Seasonal Allergic Rhinitis (SAR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Ciclesonide nasal aerosol 37 mcg",
          "type": "DRUG"
        },
        {
          "name": "ciclesonide nasal aerosol 74 mcg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sumitomo Pharma America, Inc.",
      "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": 847,
      "start_date": "2011-11",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2014-05-15",
      "last_synced_at": "2026-10-06T05:55:16.043Z",
      "location_count": 66,
      "location_summary": "Little Rock, Arkansas • Baldwin Park, California • Costa Mesa, California + 49 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Baldwin Park",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01458275"
    },
    {
      "nct_id": "NCT01008397",
      "title": "Study of AHIST in Seasonal Allergic Rhinitis Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Rhinitis, Allergic, Seasonal"
      ],
      "interventions": [
        {
          "name": "AHIST NDC#58407-012-01",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Magna Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 0,
      "start_date": "2011-04",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2014-03-06",
      "last_synced_at": "2026-10-06T05:55:16.043Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01008397"
    },
    {
      "nct_id": "NCT00405899",
      "title": "Pilot Study of Allergy Immunotherapy and Prevention of Viral Respiratory Infections",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Allergy",
        "Seasonal Allergic Rhinitis",
        "Perennial Allergic Rhinitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "West Penn Allegheny Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Years to 18 Years"
      },
      "enrollment_count": 20,
      "start_date": "2006-10",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2010-05-31",
      "last_synced_at": "2026-10-06T05:55:16.043Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00405899"
    },
    {
      "nct_id": "NCT00824473",
      "title": "A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "0.15% azelastine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Meda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 506,
      "start_date": "2008-12",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2010-02-23",
      "last_synced_at": "2026-10-06T05:55:16.043Z",
      "location_count": 7,
      "location_summary": "Austin, Texas • New Braunfels, Texas • San Antonio, Texas + 1 more",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "New Braunfels",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00824473"
    },
    {
      "nct_id": "NCT01915823",
      "title": "Safety and Efficacy Trial of Dymista Nasal Spray in Children Ages 4 to 11 With Seasonal Allergic Rhinitis (SAR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "azelastine hydrochloride and fluticasone propionate",
          "type": "DRUG"
        },
        {
          "name": "Dymista vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Meda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "4 Years to 11 Years"
      },
      "enrollment_count": 348,
      "start_date": "2013-07",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2015-06-29",
      "last_synced_at": "2026-10-06T05:55:16.043Z",
      "location_count": 31,
      "location_summary": "Birmingham, Alabama • Little Rock, Alaska • Atlanta, Georgia + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Alaska"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01915823"
    },
    {
      "nct_id": "NCT00519636",
      "title": "Comparator Study Evaluating Patient Experience And Preference Of FFNS vs. FPNS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rhinitis, Allergic, Perennial"
      ],
      "interventions": [
        {
          "name": "FPNS",
          "type": "DRUG"
        },
        {
          "name": "FFNS",
          "type": "DRUG"
        },
        {
          "name": "placebo FFNS",
          "type": "DRUG"
        },
        {
          "name": "placebo FPNS",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 360,
      "start_date": "2007-08",
      "completion_date": "2007-11",
      "has_results": true,
      "last_update_posted_date": "2016-12-09",
      "last_synced_at": "2026-10-06T05:55:16.043Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Long Beach, California + 20 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00519636"
    }
  ]
}