{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urticaria+Anaphylaxis",
    "query": {
      "condition": "Urticaria Anaphylaxis"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T08:12:45.425Z",
  "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": "NCT05584488",
      "title": "Allergy and Immunology Natural History Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Immune Deficiency",
        "Immune Dysregulation Disorder",
        "Allergic Inflammation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "Up to 99 Years"
      },
      "enrollment_count": 10000,
      "start_date": "2010-07-16",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-05-22T08:12:45.425Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05584488"
    },
    {
      "nct_id": "NCT00852943",
      "title": "Screening Protocol for Genetic Diseases of Allergic Inflammation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Eosinophilic Disease",
        "Immune Deficiency",
        "HaTS",
        "Urticaria Anaphylaxis",
        "Elevated IgE Level"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "1 Day to 99 Years"
      },
      "enrollment_count": 824,
      "start_date": "2010-11-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-05-22T08:12:45.425Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00852943"
    },
    {
      "nct_id": "NCT00719719",
      "title": "Cause of Unexplained Anaphylaxis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Idiopathic Anaphylaxis",
        "Drug Anaphylaxis",
        "Venom Anaphylaxis",
        "Food Anaphylaxis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "13 Years to 75 Years"
      },
      "enrollment_count": 115,
      "start_date": "2008-11-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-05-22T08:12:45.425Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00719719"
    },
    {
      "nct_id": "NCT00890162",
      "title": "A Randomized, Double-Blind, Placebo-Controlled Study of Omalizumab for Idiopathic Anaphylaxis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anaphylaxis",
        "Hypotension",
        "Bronchospasm",
        "Angioedema"
      ],
      "interventions": [
        {
          "name": "Epinephrine",
          "type": "DRUG"
        },
        {
          "name": "Omalizumab (Xolair)",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 16,
      "start_date": "2009-04-27",
      "completion_date": "2019-05-31",
      "has_results": true,
      "last_update_posted_date": "2019-07-01",
      "last_synced_at": "2026-05-22T08:12:45.425Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00890162"
    }
  ]
}