{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Allergen&page=3",
    "query": {
      "intervention": "Allergen",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 226,
    "total_pages": 23,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Allergen&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Allergen&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T09:56:02.064Z",
  "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": "NCT00955825",
      "title": "Study of Efficacy and Safety of 300 IR Sublingual Immunotherapy (SLIT) Tablets in Adult Patients With Allergic Grass Pollen Rhinoconjunctivitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Allergic Rhinitis Due to Grass Pollens"
      ],
      "interventions": [
        {
          "name": "300 IR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stallergenes Greer",
      "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": 473,
      "start_date": "2008-10",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2016-05-19",
      "last_synced_at": "2026-10-20T09:56:02.064Z",
      "location_count": 19,
      "location_summary": "Normal, Illinois • Lexington, Kentucky • Owensboro, Kentucky + 16 more",
      "locations": [
        {
          "city": "Normal",
          "state": "Illinois"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Owensboro",
          "state": "Kentucky"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Ypsilanti",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00955825"
    },
    {
      "nct_id": "NCT05543512",
      "title": "The Immune Directed Individualized Elimination Therapy (iDIET) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Eosinophilic Esophagitis",
        "EoE"
      ],
      "interventions": [
        {
          "name": "Algorithm to diagnose food allergens",
          "type": "DEVICE"
        },
        {
          "name": "Sham diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "16 Years to 80 Years"
      },
      "enrollment_count": 68,
      "start_date": "2022-10-24",
      "completion_date": "2025-12-18",
      "has_results": true,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-10-20T09:56:02.064Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05543512"
    },
    {
      "nct_id": "NCT01026532",
      "title": "Functional Activity of Airway Eosinophils in Allergic Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Segmental Allergen Challenge",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 31,
      "start_date": "2011-08-24",
      "completion_date": "2017-03-31",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-10-20T09:56:02.064Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01026532"
    },
    {
      "nct_id": "NCT03112577",
      "title": "Study of REGN3500 and Dupilumab in Patients With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Asthma, Allergic"
      ],
      "interventions": [
        {
          "name": "REGN3500",
          "type": "DRUG"
        },
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone propionate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "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": 32,
      "start_date": "2017-06-15",
      "completion_date": "2019-12-09",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-10-20T09:56:02.064Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03112577"
    },
    {
      "nct_id": "NCT00267202",
      "title": "Study to Evaluate the Effect of Omalizumab on Improving the Tolerability of Specific Immunotherapy in Patients With Persistent Allergic Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Allergic Asthma"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Omalizumab",
          "type": "DRUG"
        },
        {
          "name": "Immunotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "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": 275,
      "start_date": "2005-12",
      "completion_date": "2008-04",
      "has_results": true,
      "last_update_posted_date": "2016-09-14",
      "last_synced_at": "2026-10-20T09:56:02.064Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00267202"
    },
    {
      "nct_id": "NCT01730872",
      "title": "Evaluation of Prednisolone in a Modified Conjunctival Allergen Challenge Model",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Allergic Conjunctivitis"
      ],
      "interventions": [
        {
          "name": "Prednisolone Sodium Phosphate Ophthalmic Solution 1%",
          "type": "DRUG"
        },
        {
          "name": "Tears Naturale II Ophthalmic Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ORA, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2012-11",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2019-06-19",
      "last_synced_at": "2026-10-20T09:56:02.064Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01730872"
    },
    {
      "nct_id": "NCT01936818",
      "title": "Study Evaluating Nasal Symptoms Induced by a Nasal Allergen Challenge (NAC) To House Dust Mite Allergen",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "ORA, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2013-08",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2015-10-22",
      "last_synced_at": "2026-10-20T09:56:02.064Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01936818"
    },
    {
      "nct_id": "NCT03231969",
      "title": "A Single-Center, Phase 2 Study Evaluating Bilastine Ophthalmic Solution in the CAC® Model",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Allergic Conjunctivitis"
      ],
      "interventions": [
        {
          "name": "Bilastine 0.2%",
          "type": "DRUG"
        },
        {
          "name": "Bilastine 0.4%",
          "type": "DRUG"
        },
        {
          "name": "Bilastine 0.6%",
          "type": "DRUG"
        },
        {
          "name": "Bilastine 0%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Faes Farma, S.A.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 121,
      "start_date": "2017-07-20",
      "completion_date": "2017-10-11",
      "has_results": true,
      "last_update_posted_date": "2023-03-16",
      "last_synced_at": "2026-10-20T09:56:02.064Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03231969"
    },
    {
      "nct_id": "NCT00985075",
      "title": "A Pilot Study Evaluating the Signs and Symptoms of Seasonal Allergic Rhinoconjunctivitis Following Exposure in the Allergen BioCube",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Allergic Rhinoconjunctivitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "ORA, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2008-12",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2009-09-28",
      "last_synced_at": "2026-10-20T09:56:02.064Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00985075"
    },
    {
      "nct_id": "NCT02722083",
      "title": "Exploratory Study for Allergy Relief Onset",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rhinitis, Allergic"
      ],
      "interventions": [
        {
          "name": "Chlorpheniramine maleate (BAY X002134)",
          "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": 1,
      "start_date": "2016-05-07",
      "completion_date": "2016-07-13",
      "has_results": false,
      "last_update_posted_date": "2018-12-12",
      "last_synced_at": "2026-10-20T09:56:02.064Z",
      "location_count": 1,
      "location_summary": "Germantown, Tennessee",
      "locations": [
        {
          "city": "Germantown",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02722083"
    }
  ]
}