{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Allergen+Immunotherapy+Extract",
    "query": {
      "intervention": "Allergen Immunotherapy Extract"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Allergen+Immunotherapy+Extract&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-12T20:31:23.248Z",
  "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": "NCT01878929",
      "title": "The Effect of Pollen Season on Subcutaneous Allergen Immunotherapy Reactions",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Allergic Rhinitis",
        "Asthma",
        "Allergic Conjunctivitis"
      ],
      "interventions": [
        {
          "name": "Allergen(Tree, Grass, Weeds)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 245,
      "start_date": "2013-04",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2013-06-17",
      "last_synced_at": "2026-09-12T20:31:23.248Z",
      "location_count": 1,
      "location_summary": "South Euclid, Ohio",
      "locations": [
        {
          "city": "South Euclid",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01878929"
    },
    {
      "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": "2026-09-12T20:31:23.248Z",
      "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": "NCT01028560",
      "title": "Allergy Immunotherapy for the Reduction of Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Wheezing",
        "Asthma",
        "Allergy"
      ],
      "interventions": [
        {
          "name": "Allergen extracts (subcutaneous injections)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard of care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Months",
        "maximum_age": "3 Years",
        "sex": "ALL",
        "summary": "18 Months to 3 Years"
      },
      "enrollment_count": 58,
      "start_date": "2008-10",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2019-05-28",
      "last_synced_at": "2026-09-12T20:31:23.248Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01028560"
    },
    {
      "nct_id": "NCT01982474",
      "title": "Safety of Lymph Node Injection for Allergen Immunotherapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Grass pollen extract",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo injection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Amber Patterson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "15 Years to 24 Years"
      },
      "enrollment_count": 18,
      "start_date": "2013-10",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2016-02-09",
      "last_synced_at": "2026-09-12T20:31:23.248Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01982474"
    },
    {
      "nct_id": "NCT02237196",
      "title": "Anti-TSLP (AMG 157) Plus Antigen-Specific Immunotherapy for Induction of Tolerance in Individuals With Cat Allergy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cat Allergy",
        "Cat Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "AMG 157",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cat Immunotherapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cat Immunotherapy Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AMG 157 Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 121,
      "start_date": "2015-03-03",
      "completion_date": "2019-03-04",
      "has_results": true,
      "last_update_posted_date": "2020-05-06",
      "last_synced_at": "2026-09-12T20:31:23.248Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • Denver, Colorado • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02237196"
    },
    {
      "nct_id": "NCT00078195",
      "title": "Omalizumab (Xolair) and Allergy Shots For the Treatment of Seasonal Allergies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hay Fever",
        "Hypersensitivity",
        "Allergy",
        "Rhinitis"
      ],
      "interventions": [
        {
          "name": "omalizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo omalizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ragweed rush immunotherapy (RIT)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo rush immunotherapy (RIT)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ragweed immunotherapy (IT)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo immunotherapy (IT)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 168,
      "start_date": "2003-04",
      "completion_date": "2005-05",
      "has_results": false,
      "last_update_posted_date": "2016-10-18",
      "last_synced_at": "2026-09-12T20:31:23.248Z",
      "location_count": 3,
      "location_summary": "Iowa City, Iowa • Omaha, Nebraska • Madison, Wisconsin",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00078195"
    },
    {
      "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": "2026-09-12T20:31:23.248Z",
      "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": "NCT03360071",
      "title": "A Novel Biologic Therapy for Perennial Allergic Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Allergen Immunotherapy Extract",
          "type": "DRUG"
        },
        {
          "name": "Allergen Immunotherapy Control",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins 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": 31,
      "start_date": "2016-12-19",
      "completion_date": "2018-11-01",
      "has_results": true,
      "last_update_posted_date": "2019-09-04",
      "last_synced_at": "2026-09-12T20:31:23.248Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03360071"
    },
    {
      "nct_id": "NCT03352726",
      "title": "A Study to Assess the Biological Potency of Peanut Allergen Extract in Adolescent and Adult Peanut Allergic Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Peanut Allergy"
      ],
      "interventions": [
        {
          "name": "DBV712 IHRP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "DBV Technologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "12 Years to 50 Years"
      },
      "enrollment_count": 27,
      "start_date": "2017-11-24",
      "completion_date": "2018-06-29",
      "has_results": false,
      "last_update_posted_date": "2019-07-26",
      "last_synced_at": "2026-09-12T20:31:23.248Z",
      "location_count": 2,
      "location_summary": "Little Rock, Arkansas • Aurora, Colorado",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03352726"
    },
    {
      "nct_id": "NCT00434421",
      "title": "Sublingual Cockroach Safety in Adults With Cockroach Allergy & Perennial Allergic Rhinitis With or Without Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Allergy",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Glycerinated German cockroach allergenic extract",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "5 Years to 55 Years"
      },
      "enrollment_count": 28,
      "start_date": "2007-02",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2015-06-11",
      "last_synced_at": "2026-09-12T20:31:23.248Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00434421"
    }
  ]
}