{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Persistent+Asthma",
    "query": {
      "condition": "Persistent Asthma"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 162,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Persistent+Asthma&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T09:44:34.556Z",
  "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": "NCT01311661",
      "title": "A Study to Compare the Efficacy and Safety of Different Dosings of Olodaterol Administered With the Respimat® Inhaler in Patients With Moderate to Severe Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Placebo twice daily",
          "type": "DRUG"
        },
        {
          "name": "Olodaterol low daily dose twice daily",
          "type": "DRUG"
        },
        {
          "name": "Olodaterol medium daily dose twice daily",
          "type": "DRUG"
        },
        {
          "name": "Olodaterol high daily dose once daily and placebo",
          "type": "DRUG"
        },
        {
          "name": "Olodaterol medium daily dose once daily and placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 206,
      "start_date": "2011-03",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2014-05-01",
      "last_synced_at": "2026-05-22T09:44:34.556Z",
      "location_count": 12,
      "location_summary": "Huntington Beach, California • Centennial, Colorado • Wheat Ridge, Colorado + 9 more",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Wheat Ridge",
          "state": "Colorado"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "North Dartmouth",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01311661"
    },
    {
      "nct_id": "NCT00576069",
      "title": "Mechanism(s)of Airflow Limitation in Moderate-severe Persistent Asthma",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "budesonide/formoterol",
          "type": "DRUG"
        },
        {
          "name": "fluticasone/salmeterol",
          "type": "DRUG"
        },
        {
          "name": "mometasone/formoterol",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gelb, Arthur F., M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "10 Years to 95 Years"
      },
      "enrollment_count": 60,
      "start_date": "2007-10-25",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2023-10-26",
      "last_synced_at": "2026-05-22T09:44:34.556Z",
      "location_count": 1,
      "location_summary": "Lakewood, California",
      "locations": [
        {
          "city": "Lakewood",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00576069"
    },
    {
      "nct_id": "NCT00398645",
      "title": "A Randomized Study To Evaluate The Efficacy And Safety Of An Investigational Drug In Adolescent And Adult Subjects With Persistent Asthma.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "GW685698X 200mcg,GW685698X 200mcg and 400mcg",
          "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": 648,
      "start_date": "2006-11-15",
      "completion_date": "2007-08-30",
      "has_results": false,
      "last_update_posted_date": "2018-01-23",
      "last_synced_at": "2026-05-22T09:44:34.556Z",
      "location_count": 16,
      "location_summary": "Fullerton, California • Huntington Beach, California • Orange, California + 13 more",
      "locations": [
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00398645"
    },
    {
      "nct_id": "NCT00174733",
      "title": "Efficacy of Ciclesonide Versus Placebo Administered Either as Once Daily or Twice Daily in Patients Treated Previously With an Inhaled Corticosteroid",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Ciclesonide (XRP1526)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 456,
      "start_date": "2005-07",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2009-04-08",
      "last_synced_at": "2026-05-22T09:44:34.556Z",
      "location_count": 1,
      "location_summary": "Bridgewater, New Jersey",
      "locations": [
        {
          "city": "Bridgewater",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00174733"
    },
    {
      "nct_id": "NCT00441441",
      "title": "A 12-Week Study To Assess The Safety Of Fluticasone Propionate/Salmeterol 100/50 Hydrofluoroalkane (HFA) Versus Fluticasone Propionate 100 HFA In Children With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "fluticasone propionate",
          "type": "DRUG"
        },
        {
          "name": "fluticasone propionate/salmeterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "4 Years to 11 Years"
      },
      "enrollment_count": 351,
      "start_date": "2007-02",
      "completion_date": "2008-01",
      "has_results": true,
      "last_update_posted_date": "2016-12-16",
      "last_synced_at": "2026-05-22T09:44:34.556Z",
      "location_count": 20,
      "location_summary": "Huntington Beach, California • Long Beach, California • Riverside, California + 16 more",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00441441"
    },
    {
      "nct_id": "NCT02700542",
      "title": "Asthma and Pest Control Study: Demonstrating Return-on-Investment for In-Home Pest Control for Children With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Integrated Pest Management",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "New York City Department of Health and Mental Hygiene",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "5 Years to 12 Years"
      },
      "enrollment_count": 384,
      "start_date": "2014-05-21",
      "completion_date": "2017-06-30",
      "has_results": false,
      "last_update_posted_date": "2019-07-17",
      "last_synced_at": "2026-05-22T09:44:34.556Z",
      "location_count": 2,
      "location_summary": "New York, New York • The Bronx, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02700542"
    },
    {
      "nct_id": "NCT00529529",
      "title": "Safety of Indacaterol in Patients (≥ 12 Years) With Moderate to Severe Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Indacaterol 300 μg",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol 50 μg",
          "type": "DRUG"
        },
        {
          "name": "Placebo to indacaterol",
          "type": "DRUG"
        },
        {
          "name": "Placebo to salmeterol",
          "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": 805,
      "start_date": "2007-09",
      "completion_date": "2008-08",
      "has_results": true,
      "last_update_posted_date": "2011-08-29",
      "last_synced_at": "2026-05-22T09:44:34.556Z",
      "location_count": 56,
      "location_summary": "Glendale, Arizona • Phoenix, Arizona • Encinitas, California + 44 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00529529"
    },
    {
      "nct_id": "NCT00217854",
      "title": "Inflammatory Processes in the Airway of Asthmatics With Persistent Bronchial Hyperreactivity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Bronchoscopic",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 27,
      "start_date": "2001-09",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2017-06-26",
      "last_synced_at": "2026-05-22T09:44:34.556Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00217854"
    },
    {
      "nct_id": "NCT00746330",
      "title": "Single Dose Study of the Effect of Formoterol Fumarate in Combination With Mometasone Furoate Inhaled Via a Pressurized Metered Dose Inhaler (pMDI) in Children Aged 5-11 Years Old With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Mometasone furoate/formoterol fumarate (MFF)",
          "type": "DRUG"
        },
        {
          "name": "Formoterol fumarate 12 μg pMDI (F12M)",
          "type": "DRUG"
        },
        {
          "name": "Formoterol fumarate 12 μg DPI (F12D)",
          "type": "DRUG"
        },
        {
          "name": "Placebo to F12D",
          "type": "DRUG"
        },
        {
          "name": "Placebo to F12M/MFF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "5 Years to 11 Years"
      },
      "enrollment_count": 32,
      "start_date": "2008-08",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2011-06-07",
      "last_synced_at": "2026-05-22T09:44:34.556Z",
      "location_count": 6,
      "location_summary": "Mobile, Alabama • Huntington Beach, California • Orange, California + 3 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00746330"
    },
    {
      "nct_id": "NCT02105012",
      "title": "Study to Assess the Efficacy and Safety of Budesonide (PT008) in Adult Subjects With Mild to Moderate Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "BD MDI 320 µg",
          "type": "DRUG"
        },
        {
          "name": "BD MDI 160 µg",
          "type": "DRUG"
        },
        {
          "name": "BD MDI 80 µg",
          "type": "DRUG"
        },
        {
          "name": "BD MDI 40 µg",
          "type": "DRUG"
        },
        {
          "name": "Placebo MDI",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pearl Therapeutics, Inc.",
      "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": 147,
      "start_date": "2014-04-01",
      "completion_date": "2015-09-04",
      "has_results": true,
      "last_update_posted_date": "2017-06-06",
      "last_synced_at": "2026-05-22T09:44:34.556Z",
      "location_count": 41,
      "location_summary": "Athens, Alabama • Birmingham, Alabama • Foley, Alabama + 37 more",
      "locations": [
        {
          "city": "Athens",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Foley",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02105012"
    }
  ]
}