{
  "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": "2026-10-09T19:34:52.655Z",
  "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": "NCT00917111",
      "title": "The Effect of Nasal Carbon Dioxide (CO2) in the Symptomatic Treatment of Seasonal Allergic Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Nasal CO2",
          "type": "DRUG"
        },
        {
          "name": "Inactive Placebo Gas",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Capnia, Inc.",
      "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": 33,
      "start_date": "2009-07",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2012-08-15",
      "last_synced_at": "2026-10-09T19:34:52.655Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00917111"
    },
    {
      "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": "2026-10-09T19:34:52.655Z",
      "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": "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": "2026-10-09T19:34:52.655Z",
      "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": "NCT00296530",
      "title": "Study Of Patients With Allergic Rhinitis And Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "fluticasone propionate/salmeterol",
          "type": "DRUG"
        },
        {
          "name": "fluticasone propionate",
          "type": "DRUG"
        },
        {
          "name": "montelukast",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2005-09",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2016-10-28",
      "last_synced_at": "2026-10-09T19:34:52.655Z",
      "location_count": 80,
      "location_summary": "Ozark, Alabama • Tempe, Arizona • Little Rock, Arkansas + 67 more",
      "locations": [
        {
          "city": "Ozark",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00296530"
    },
    {
      "nct_id": "NCT00689299",
      "title": "Phase 2 Study in Adults Sensitized to Cat",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Allergy"
      ],
      "interventions": [
        {
          "name": "Standardized Allergenic Extract, Cat Hair",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Antigen Laboratories, 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": 167,
      "start_date": "2008-10",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2014-05-01",
      "last_synced_at": "2026-10-09T19:34:52.655Z",
      "location_count": 3,
      "location_summary": "San Diego, California • Marietta, Georgia • St Louis, Missouri",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00689299"
    },
    {
      "nct_id": "NCT00117832",
      "title": "Nasal Ocular Reflexes Contribute to Eye Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rhinitis, Allergic, Seasonal"
      ],
      "interventions": [
        {
          "name": "Azelastine nasal spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 20,
      "start_date": "2005-03",
      "completion_date": "2006-10",
      "has_results": false,
      "last_update_posted_date": "2013-09-05",
      "last_synced_at": "2026-10-09T19:34:52.655Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00117832"
    },
    {
      "nct_id": "NCT01578278",
      "title": "Bepotastine Besilate-corticosteroid Nasal Spray Combination Compared to Placebo, Bepotastine Besilate Nasal Spray, and Corticosteroid Nasal Spray in the Treatment of Patients With Seasonal Allergic Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Bepotastine besilate formulation",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone propionate",
          "type": "DRUG"
        },
        {
          "name": "Bepotastine besilate-fluticasone propionate",
          "type": "DRUG"
        },
        {
          "name": "Placebo Comparator",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch & Lomb Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 606,
      "start_date": "2011-12",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2020-10-05",
      "last_synced_at": "2026-10-09T19:34:52.655Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01578278"
    },
    {
      "nct_id": "NCT01307319",
      "title": "Study of an Investigational Nasal Aerosol or Placebo Nasal Aerosol in Children (Ages 6-11) With Seasonal Allergies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis",
        "SAR"
      ],
      "interventions": [
        {
          "name": "BDP HFA",
          "type": "DRUG"
        },
        {
          "name": "Placebo nasal aerosol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, 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": 715,
      "start_date": "2011-03",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2015-02-20",
      "last_synced_at": "2026-10-09T19:34:52.655Z",
      "location_count": 45,
      "location_summary": "Oxford, Alabama • Bell, California • Costa Mesa, California + 40 more",
      "locations": [
        {
          "city": "Oxford",
          "state": "Alabama"
        },
        {
          "city": "Bell",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01307319"
    },
    {
      "nct_id": "NCT01279057",
      "title": "A Study Comparing Two Fluticasone Furoate Nasal Sprays in the Relief of the Signs and Symptoms of Seasonal Allergic Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rhinitis, Allergic, Seasonal"
      ],
      "interventions": [
        {
          "name": "Fluticasone furoate 27.5 mcg/actuation nasal spray (Lek Pharmaceuticals)",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone furoate (Veramyst®) 27.5 mcg/actuation nasal spray",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sandoz",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 727,
      "start_date": "2010-12-27",
      "completion_date": "2011-02-08",
      "has_results": true,
      "last_update_posted_date": "2021-02-03",
      "last_synced_at": "2026-10-09T19:34:52.655Z",
      "location_count": 7,
      "location_summary": "Austin, Texas • Kerrville, Texas • New Braunfels, Texas + 2 more",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Kerrville",
          "state": "Texas"
        },
        {
          "city": "New Braunfels",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01279057"
    },
    {
      "nct_id": "NCT02318303",
      "title": "To Study GSP 301 in Patients With Seasonal Allergic Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "GSP 301-1 NS (QD)",
          "type": "DRUG"
        },
        {
          "name": "GSP 301-2 NS (BID)",
          "type": "DRUG"
        },
        {
          "name": "GSP 301 Placebo NS",
          "type": "DRUG"
        },
        {
          "name": "Olopatadine HCl-1 NS (QD)",
          "type": "DRUG"
        },
        {
          "name": "Olopatadine HCl-2 NS (BID)",
          "type": "DRUG"
        },
        {
          "name": "Mometasone Furoate-1 NS (QD)",
          "type": "DRUG"
        },
        {
          "name": "Mometasone Furoate-2 NS (BID)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Glenmark Pharmaceuticals Ltd. India",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 1111,
      "start_date": "2014-12",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2020-10-20",
      "last_synced_at": "2026-10-09T19:34:52.655Z",
      "location_count": 10,
      "location_summary": "Austin, Texas • Kerrville, Texas • New Braunfels, Texas + 2 more",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Kerrville",
          "state": "Texas"
        },
        {
          "city": "New Braunfels",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02318303"
    }
  ]
}