{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=omalizumab+placebo&page=2",
    "query": {
      "intervention": "omalizumab placebo",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 61,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=omalizumab+placebo&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=omalizumab+placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T13:37:26.474Z",
  "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": "NCT02477332",
      "title": "Dose-finding Study of QGE031 as add-on Therapy to Evaluate Efficacy and Safety in Patients With CSU",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Spontaneous Urticaria"
      ],
      "interventions": [
        {
          "name": "QGE031",
          "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": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 382,
      "start_date": "2015-07-15",
      "completion_date": "2017-06-12",
      "has_results": true,
      "last_update_posted_date": "2021-01-05",
      "last_synced_at": "2026-10-07T13:37:26.474Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 22 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02477332"
    },
    {
      "nct_id": "NCT00604786",
      "title": "The Effect of Omalizumab on Responses to Cat Allergen Challenge",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "omalizumab",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "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": 18,
      "start_date": "2007-07",
      "completion_date": "2009-01",
      "has_results": true,
      "last_update_posted_date": "2017-05-10",
      "last_synced_at": "2026-10-07T13:37:26.474Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00604786"
    },
    {
      "nct_id": "NCT01716754",
      "title": "Efficacy and Safety of QGE031versus Placebo and Omalizumab in Patients Aged 18-75 Years With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "QGE031",
          "type": "DRUG"
        },
        {
          "name": "Omalizumab",
          "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": 471,
      "start_date": "2012-12",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2017-08-11",
      "last_synced_at": "2026-10-07T13:37:26.474Z",
      "location_count": 22,
      "location_summary": "Fresno, California • Hawaiian Gardens, California • Riverside, California + 19 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Hawaiian Gardens",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01716754"
    },
    {
      "nct_id": "NCT02814630",
      "title": "Three-month, Single-center Study to Identify Biomarkers/Response to Xolair Therapy in Chronic Idiopathic Urticaria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Idiopathic Urticaria"
      ],
      "interventions": [
        {
          "name": "Xolair",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Asthma Inc Clinical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 20,
      "start_date": "2016-09",
      "completion_date": "2018-11-02",
      "has_results": false,
      "last_update_posted_date": "2019-01-24",
      "last_synced_at": "2026-10-07T13:37:26.474Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02814630"
    },
    {
      "nct_id": "NCT02392624",
      "title": "A Study of the Efficacy and Safety of Omalizumab Through 48 Weeks in Participants With Chronic Idiopathic Urticaria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Urticaria"
      ],
      "interventions": [
        {
          "name": "Omalizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "12 Years to 75 Years"
      },
      "enrollment_count": 206,
      "start_date": "2015-05-18",
      "completion_date": "2017-03-09",
      "has_results": true,
      "last_update_posted_date": "2018-03-29",
      "last_synced_at": "2026-10-07T13:37:26.474Z",
      "location_count": 40,
      "location_summary": "Granada Hills, California • Long Beach, California • Los Angeles, California + 36 more",
      "locations": [
        {
          "city": "Granada Hills",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02392624"
    },
    {
      "nct_id": "NCT01003301",
      "title": "The Effects of Omalizumab (Anti-IgE) on the Late-phase Response to Nasal Allergen Challenge",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cat Allergy"
      ],
      "interventions": [
        {
          "name": "Omalizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 19,
      "start_date": "2009-10",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2014-04-07",
      "last_synced_at": "2026-10-07T13:37:26.474Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01003301"
    },
    {
      "nct_id": "NCT01716312",
      "title": "Omalizumab for Lupus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Systemic Lupus Erthematosus",
        "Sjogren's Syndrome"
      ],
      "interventions": [
        {
          "name": "Omalizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 17,
      "start_date": "2014-01-08",
      "completion_date": "2017-08-24",
      "has_results": false,
      "last_update_posted_date": "2022-04-20",
      "last_synced_at": "2026-10-07T13:37:26.474Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01716312"
    },
    {
      "nct_id": "NCT00851370",
      "title": "Exploratory Study of Xolair in Chronic Obstructive Pulmonary Disease in Patients With Elevated IgE Levels",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Omalizumab (Xolair)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2009-01",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2017-03-29",
      "last_synced_at": "2026-10-07T13:37:26.474Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00851370"
    },
    {
      "nct_id": "NCT01292473",
      "title": "A Study to Evaluate the Efficacy, Response Duration and Safety of Xolair (Omalizumab) in Patients With Chronic Idiopathic Urticaria (CIU)/Chronic Spontaneous Urticaria (CSU) Who Remain Symptomatic Despite Antihistamine Treatment (H1)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Idiopathic Urticaria"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Omalizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "12 Years to 75 Years"
      },
      "enrollment_count": 323,
      "start_date": "2011-03",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2013-10-11",
      "last_synced_at": "2026-10-07T13:37:26.474Z",
      "location_count": 36,
      "location_summary": "La Jolla, California • Los Angeles, California • Redwood City, California + 31 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01292473"
    },
    {
      "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": "2026-10-07T13:37:26.474Z",
      "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"
    }
  ]
}