{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Eosinophils%2C+Asthma",
    "query": {
      "condition": "Eosinophils, Asthma"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 24,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Eosinophils%2C+Asthma&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T12:18:13.906Z",
  "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": "NCT03052725",
      "title": "A Study of Reslizumab in Patients 12 Years of Age and Older With Severe Eosinophilic Asthma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Eosinophils, Asthma"
      ],
      "interventions": [
        {
          "name": "reslizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 391,
      "start_date": "2017-03-10",
      "completion_date": "2018-02-22",
      "has_results": true,
      "last_update_posted_date": "2022-12-14",
      "last_synced_at": "2026-07-23T12:18:13.906Z",
      "location_count": 37,
      "location_summary": "Birmingham, Alabama • Bakersfield, California • Huntington Beach, California + 31 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Napa",
          "state": "California"
        },
        {
          "city": "Stockton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03052725"
    },
    {
      "nct_id": "NCT00517634",
      "title": "Study Of Fluticasone Propionate/Salmeterol In Asthmatic Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "FP",
          "type": "DRUG"
        },
        {
          "name": "SFC",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 23,
      "start_date": "2007-08",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2016-12-16",
      "last_synced_at": "2026-07-23T12:18:13.906Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00517634"
    },
    {
      "nct_id": "NCT02501629",
      "title": "An Efficacy and Safety Study of Reslizumab Subcutaneous in Patients With Oral Corticosteroid Dependent Asthma and Elevated Blood Eosinophils",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma",
        "Elevated Blood Eosinophils",
        "Oral Corticosteroid Dependence"
      ],
      "interventions": [
        {
          "name": "Reslizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Non-Oral Corticosteroid (non-OCS) Asthma Medication",
          "type": "DRUG"
        },
        {
          "name": "Oral Corticosteroid (OCS)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 177,
      "start_date": "2015-09-29",
      "completion_date": "2017-12-04",
      "has_results": true,
      "last_update_posted_date": "2021-11-09",
      "last_synced_at": "2026-07-23T12:18:13.906Z",
      "location_count": 26,
      "location_summary": "Bakersfield, California • Long Beach, California • Clermont, Florida + 21 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Clermont",
          "state": "Florida"
        },
        {
          "city": "Homestead",
          "state": "Florida"
        },
        {
          "city": "Kissimmee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02501629"
    },
    {
      "nct_id": "NCT02225678",
      "title": "Minimally Invasive Biomarker for Asthma Disease Severity",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2014-07",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2016-05-17",
      "last_synced_at": "2026-07-23T12:18:13.906Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02225678"
    },
    {
      "nct_id": "NCT05329194",
      "title": "Effectiveness and Safety Study of Tezepelumab in Adults & Adolescent Participants With Severe Asthma in the United States",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Tezepelumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "12 Years to 130 Years"
      },
      "enrollment_count": 286,
      "start_date": "2022-04-29",
      "completion_date": "2025-10-01",
      "has_results": true,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-07-23T12:18:13.906Z",
      "location_count": 37,
      "location_summary": "Mobile, Alabama • Gilbert, Arizona • Long Beach, California + 34 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Rancho Mirage",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05329194"
    },
    {
      "nct_id": "NCT04046939",
      "title": "Dexpramipexole Dose-Ranging Biomarker Study in Subjects With Eosinophilic Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Eosinophilic Asthma",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Dexpramipexole",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Knopp Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 534,
      "start_date": "2019-08-15",
      "completion_date": "2021-03-02",
      "has_results": true,
      "last_update_posted_date": "2023-04-13",
      "last_synced_at": "2026-07-23T12:18:13.906Z",
      "location_count": 36,
      "location_summary": "Los Angeles, California • Mission Viejo, California • Westminster, California + 30 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Westminster",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Daytona Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04046939"
    },
    {
      "nct_id": "NCT00277446",
      "title": "Dietary Supplementation With Soy Isoflavones in Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Soy isoflavones",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern 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": 13,
      "start_date": "2006-01",
      "completion_date": "2007-04",
      "has_results": true,
      "last_update_posted_date": "2011-02-25",
      "last_synced_at": "2026-07-23T12:18:13.906Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00277446"
    },
    {
      "nct_id": "NCT02066298",
      "title": "Steroids In Eosinophil Negative Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Mometasone 220mcg BID",
          "type": "DRUG"
        },
        {
          "name": "Tiotropium Respimat 5mcg QD",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 295,
      "start_date": "2014-07",
      "completion_date": "2018-05",
      "has_results": true,
      "last_update_posted_date": "2019-05-29",
      "last_synced_at": "2026-07-23T12:18:13.906Z",
      "location_count": 25,
      "location_summary": "Tucson, Arizona • San Francisco, California • Denver, Colorado + 13 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02066298"
    },
    {
      "nct_id": "NCT01000506",
      "title": "Dose Ranging Efficacy And Safety With Mepolizumab in Severe Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Mepolizumab 750",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Mepolizumab 250",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Mepolizumab 75",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "12 Years to 65 Years"
      },
      "enrollment_count": 621,
      "start_date": "2009-11-01",
      "completion_date": "2012-03-23",
      "has_results": true,
      "last_update_posted_date": "2018-01-24",
      "last_synced_at": "2026-07-23T12:18:13.906Z",
      "location_count": 21,
      "location_summary": "Long Beach, California • Los Angeles, California • Riverside, California + 18 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01000506"
    },
    {
      "nct_id": "NCT01691521",
      "title": "Efficacy and Safety Study of Mepolizumab Adjunctive Therapy in Subjects With Severe Uncontrolled Refractory Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Mepolizumab IV",
          "type": "DRUG"
        },
        {
          "name": "Mepolizumab SC",
          "type": "DRUG"
        },
        {
          "name": "IV Placebo",
          "type": "DRUG"
        },
        {
          "name": "SC Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 580,
      "start_date": "2012-10-08",
      "completion_date": "2014-01-18",
      "has_results": true,
      "last_update_posted_date": "2018-08-06",
      "last_synced_at": "2026-07-23T12:18:13.906Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Newport Beach, California • Riverside, California + 17 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01691521"
    }
  ]
}