{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Persistent+Allergic+Asthma",
    "query": {
      "condition": "Persistent Allergic Asthma"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T01:30:51.465Z",
  "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": "NCT01437735",
      "title": "Dose Finding Study for QAW039 in Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "QAW039",
          "type": "DRUG"
        },
        {
          "name": "Montelukast",
          "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": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 1043,
      "start_date": "2011-08",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2020-12-19",
      "last_synced_at": "2026-06-11T01:30:51.465Z",
      "location_count": 38,
      "location_summary": "Scottsdale, Arizona • Encinitas, California • Huntington Beach, California + 33 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01437735"
    },
    {
      "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": "2026-06-11T01:30:51.465Z",
      "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": "NCT00079937",
      "title": "Efficacy and Safety of Omalizumab in Children (6 - < 12 Years) With Moderate-severe, Inadequately Controlled Allergic Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Omalizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "6 Years to 11 Years"
      },
      "enrollment_count": 628,
      "start_date": "2004-04",
      "completion_date": "2008-03",
      "has_results": true,
      "last_update_posted_date": "2012-04-11",
      "last_synced_at": "2026-06-11T01:30:51.465Z",
      "location_count": 56,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Huntington Beach, California + 48 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00079937"
    },
    {
      "nct_id": "NCT00691873",
      "title": "Study to Evaluate the Effect of Xolair(Omalizumab) on Improving the Tolerability of Specific Immunotherapy in Patients With at Least Moderate Persistent Allergic Asthma Inadequately Controlled With Inhaled Corticosteroids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Xolair",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Mississippi Medical Center",
      "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": 14,
      "start_date": "2006-05",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2008-06-06",
      "last_synced_at": "2026-06-11T01:30:51.465Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00691873"
    },
    {
      "nct_id": "NCT00870584",
      "title": "Evaluate the Effect of Omalizumab on Markers of Asthma Impairment in Patients With Persistent Allergic Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Persistent Allergic Asthma"
      ],
      "interventions": [
        {
          "name": "Omalizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 271,
      "start_date": "2009-03",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2011-11-17",
      "last_synced_at": "2026-06-11T01:30:51.465Z",
      "location_count": 50,
      "location_summary": "Jasper, Alabama • Anchorage, Alaska • Scottsdale, Arizona + 46 more",
      "locations": [
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00870584"
    },
    {
      "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": "2026-06-11T01:30:51.465Z",
      "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": "NCT00500539",
      "title": "Open Label Study to Assess Safety and Immunogenicity of Omalizumab Liquid Formulation.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "omalizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 155,
      "start_date": "2007-07",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2011-06-02",
      "last_synced_at": "2026-06-11T01:30:51.465Z",
      "location_count": 26,
      "location_summary": "Scottsdale, Arizona • Palmdale, California • San Diego, California + 22 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Palmdale",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stockton",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00500539"
    },
    {
      "nct_id": "NCT01430403",
      "title": "Preventative Omalizumab or Step-up Therapy for Severe Fall Exacerbations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Omalizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Inhaled Corticosteroid Boost Therapy (ICS)",
          "type": "DRUG"
        },
        {
          "name": "Placebo omalizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo fluticasone",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 478,
      "start_date": "2011-09",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-06-11T01:30:51.465Z",
      "location_count": 8,
      "location_summary": "Denver, Colorado • Washington D.C., District of Columbia • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01430403"
    },
    {
      "nct_id": "NCT00329381",
      "title": "Safety and Efficacy Study of Omalizumab Given Prior to Immunotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Xolair",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Mississippi Medical Center",
      "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": 14,
      "start_date": "2006-05",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2008-06-04",
      "last_synced_at": "2026-06-11T01:30:51.465Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00329381"
    }
  ]
}