{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Grass+Allergy",
    "query": {
      "condition": "Grass Allergy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 17,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Grass+Allergy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T09:49:27.898Z",
  "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": "NCT00414141",
      "title": "Efficacy and Safety/Tolerability of Grass MATA MPL",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Type I Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "Grass MATA MPL",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Allergy Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "18 Years to 59 Years"
      },
      "enrollment_count": 1028,
      "start_date": "2006-11",
      "completion_date": "2007-11",
      "has_results": false,
      "last_update_posted_date": "2010-06-17",
      "last_synced_at": "2026-06-26T09:49:27.898Z",
      "location_count": 65,
      "location_summary": "Colorado Springs, Colorado • Denver, Colorado • Englewood, Colorado + 58 more",
      "locations": [
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Waterbury",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00414141"
    },
    {
      "nct_id": "NCT05540717",
      "title": "Efficacy and Safety of PQ Grass in Subjects With Seasonal Allergic Rhinitis and/or Rhinoconjunctivitis Induced by Grass Pollen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis",
        "Rhinoconjunctivitis"
      ],
      "interventions": [
        {
          "name": "PQ Grass",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Allergy Therapeutics",
      "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": 555,
      "start_date": "2022-10-11",
      "completion_date": "2023-11-01",
      "has_results": true,
      "last_update_posted_date": "2025-04-02",
      "last_synced_at": "2026-06-26T09:49:27.898Z",
      "location_count": 33,
      "location_summary": "Centennial, Colorado • Denver, Colorado • Lexington, Kentucky + 27 more",
      "locations": [
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05540717"
    },
    {
      "nct_id": "NCT00104377",
      "title": "Induction of Immunogenicity With Different Doses of Grass MATA in Subjects Allergic to Grass and Rye Pollen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type I Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "Grass MATA MPL",
          "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": 70,
      "start_date": "2005-03",
      "completion_date": "2005-11",
      "has_results": false,
      "last_update_posted_date": "2010-06-17",
      "last_synced_at": "2026-06-26T09:49:27.898Z",
      "location_count": 11,
      "location_summary": "Overland Park, Kansas • North Dartmouth, Massachusetts • St Louis, Missouri + 8 more",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "North Dartmouth",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Lincoln",
          "state": "Nebraska"
        },
        {
          "city": "Tinton Falls",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00104377"
    },
    {
      "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": "2026-06-26T09:49:27.898Z",
      "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": "NCT00891436",
      "title": "Study of the Effect of Fluticasone Furoate Nasal Spray on Spring Allergy Eye Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Allergic Conjunctivitis to Tree Pollen or Grass Pollen"
      ],
      "interventions": [
        {
          "name": "Fluticasone furoate nasal spray",
          "type": "DRUG"
        },
        {
          "name": "Placebo nasal spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2009-04",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2012-12-03",
      "last_synced_at": "2026-06-26T09:49:27.898Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00891436"
    },
    {
      "nct_id": "NCT04687059",
      "title": "An Exploratory Study of PQ Grass 27600 SU",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Rhinitis, Allergic, Seasonal"
      ],
      "interventions": [
        {
          "name": "PQ Grass",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Active Placebo",
          "type": "DRUG"
        },
        {
          "name": "Standard Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Allergy Therapeutics",
      "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": 119,
      "start_date": "2020-10-19",
      "completion_date": "2021-10-28",
      "has_results": true,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-06-26T09:49:27.898Z",
      "location_count": 8,
      "location_summary": "Lexington, Kentucky • White Marsh, Maryland • Ocean Township, New Jersey + 5 more",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "White Marsh",
          "state": "Maryland"
        },
        {
          "city": "Ocean Township",
          "state": "New Jersey"
        },
        {
          "city": "Cortland",
          "state": "New York"
        },
        {
          "city": "Horseheads",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04687059"
    },
    {
      "nct_id": "NCT02557633",
      "title": "A Study of Tolerability and Safety of Two New Doses of Grass MATA MPL",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Grass MATA MPL 10200",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Grass MATA MPL 18200",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "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": 29,
      "start_date": "2015-08",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2017-03-03",
      "last_synced_at": "2026-06-26T09:49:27.898Z",
      "location_count": 2,
      "location_summary": "Neptune City, New Jersey • Newark, New Jersey",
      "locations": [
        {
          "city": "Neptune City",
          "state": "New Jersey"
        },
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02557633"
    },
    {
      "nct_id": "NCT03290248",
      "title": "Study to Assess the Safety, Tolerability, and Preliminary Efficacy of B244 in Healthy Volunteers and Subjects With Seasonal Allergic Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Allergic Rhinitis",
        "Allergic Rhinitis Due to Grass Pollen",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "B244 suspension",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vehicle",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "AOBiome LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 71,
      "start_date": "2017-09-19",
      "completion_date": "2018-12-21",
      "has_results": true,
      "last_update_posted_date": "2022-11-25",
      "last_synced_at": "2026-06-26T09:49:27.898Z",
      "location_count": 1,
      "location_summary": "Tustin, California",
      "locations": [
        {
          "city": "Tustin",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03290248"
    },
    {
      "nct_id": "NCT00104390",
      "title": "Assessment of Residual Allergenicity of Grass/Rye Pollen Allergoid Using Skin Prick Testing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Type I Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "Grass MATA MPL",
          "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": 14,
      "start_date": "2005-03",
      "completion_date": "2005-04",
      "has_results": false,
      "last_update_posted_date": "2010-06-10",
      "last_synced_at": "2026-06-26T09:49:27.898Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00104390"
    },
    {
      "nct_id": "NCT00421655",
      "title": "A Trial of Grazax in Subjects With Hayfever",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Allergy"
      ],
      "interventions": [
        {
          "name": "Grazax",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ALK-Abelló A/S",
      "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": 329,
      "start_date": "2006-12",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2015-06-24",
      "last_synced_at": "2026-06-26T09:49:27.898Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00421655"
    }
  ]
}