{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Xolair",
    "query": {
      "intervention": "Xolair"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 111,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Xolair&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T00:11:39.896Z",
  "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": "NCT03580356",
      "title": "A Phase III Study of and Efficacy of Ligelizumab in the Treatment of CSU in Adolescents and Adults Inadequately Controlled With H1-antihistamines.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Spontaneous Urticaria"
      ],
      "interventions": [
        {
          "name": "Ligelizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Omalizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 1078,
      "start_date": "2018-10-20",
      "completion_date": "2022-06-14",
      "has_results": true,
      "last_update_posted_date": "2025-01-07",
      "last_synced_at": "2026-09-04T00:11:39.896Z",
      "location_count": 34,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 29 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03580356"
    },
    {
      "nct_id": "NCT04128176",
      "title": "Efficacy and Safety of Rituximab Combined With Omalizumab in Patients With Bullous Pemphigoid",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bullous Pemphigoid"
      ],
      "interventions": [
        {
          "name": "Rituximab combined with Omalizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 0,
      "start_date": "2017-03",
      "completion_date": "2023-11-25",
      "has_results": false,
      "last_update_posted_date": "2024-07-03",
      "last_synced_at": "2026-09-04T00:11:39.896Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04128176"
    },
    {
      "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": "2026-09-04T00:11:39.896Z",
      "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": "NCT05332067",
      "title": "Omalizumab Before Onset of Exacerbations",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma in Children",
        "Atopy",
        "Viral Upper Respiratory Infection"
      ],
      "interventions": [
        {
          "name": "Omalizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 300,
      "start_date": "2022-05-01",
      "completion_date": "2028-03-01",
      "has_results": false,
      "last_update_posted_date": "2025-07-14",
      "last_synced_at": "2026-09-04T00:11:39.896Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05332067"
    },
    {
      "nct_id": "NCT06162728",
      "title": "Dose Escalation Trial Of Safety, Pharmacokinetic/Pharmacodynamic And Preliminary Clinical Activity of Briquilimab In Adult Patients With Chronic Spontaneous Urticaria (CSU)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Chronic Spontaneous Urticaria"
      ],
      "interventions": [
        {
          "name": "Briquilimab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Jasper Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 87,
      "start_date": "2023-11-29",
      "completion_date": "2026-07-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-09-04T00:11:39.896Z",
      "location_count": 16,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • San Diego, California + 13 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06162728"
    },
    {
      "nct_id": "NCT00367016",
      "title": "Immunologic Basis of Anti-IgE Therapy (Study II: On Patients With Asthma)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma",
        "Allergic Rhinitis",
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "Omalizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 6,
      "start_date": "2004-02",
      "completion_date": "2012-10-17",
      "has_results": true,
      "last_update_posted_date": "2021-07-13",
      "last_synced_at": "2026-09-04T00:11:39.896Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00367016"
    },
    {
      "nct_id": "NCT00670930",
      "title": "Efficacy of Omalizumab in Adults (18-60 Years of Age) With Moderate-Severe, Persistent Allergic Asthma, Despite Receiving Inhaled Corticosteroids and Long Acting Beta-agonists",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Allergic Asthma"
      ],
      "interventions": [
        {
          "name": "omalizumab at a dose of 0.016mg/kg/IU/mL",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 36,
      "start_date": "2008-04",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2013-01-18",
      "last_synced_at": "2026-09-04T00:11:39.896Z",
      "location_count": 6,
      "location_summary": "Denver, Colorado • St Louis, Missouri • Durham, North Carolina + 2 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00670930"
    },
    {
      "nct_id": "NCT00286416",
      "title": "Effect of Omalizumab (Xolair) in Treatment of Patients With AERD and Allergy Asthma",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma",
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "omalizumab (Xolair)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Scripps Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 60,
      "start_date": "2006-01",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2006-11-07",
      "last_synced_at": "2026-09-04T00:11:39.896Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00286416"
    },
    {
      "nct_id": "NCT00377572",
      "title": "Inner-City Anti-IgE Therapy for Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "omalizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "omalizumab placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "6 Years to 20 Years"
      },
      "enrollment_count": 419,
      "start_date": "2006-10",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2017-03-21",
      "last_synced_at": "2026-09-04T00:11:39.896Z",
      "location_count": 8,
      "location_summary": "Tucson, Arizona • Denver, Colorado • Washington D.C., District of Columbia + 5 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00377572"
    },
    {
      "nct_id": "NCT04976192",
      "title": "Study to Compare Efficacy and Safety of TEV-45779 With XOLAIR (Omalizumab) in Adults With Chronic Idiopathic Urticaria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Urticaria"
      ],
      "interventions": [
        {
          "name": "TEV-45779",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "XOLAIR® Injection",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Teva Pharmaceuticals USA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 608,
      "start_date": "2021-08-30",
      "completion_date": "2024-04-05",
      "has_results": true,
      "last_update_posted_date": "2025-10-07",
      "last_synced_at": "2026-09-04T00:11:39.896Z",
      "location_count": 9,
      "location_summary": "Bakersfield, California • Clearwater, Florida • Coral Gables, Florida + 6 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Kissimmee",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04976192"
    }
  ]
}