{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tiotropium+high+dose",
    "query": {
      "intervention": "Tiotropium high dose"
    },
    "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?intervention=Tiotropium+high+dose&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-18T03:23:08.598Z",
  "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": "NCT01525615",
      "title": "A Study to Determine the Effect of Tiotropium + Olodaterol Fixed Dose Combination on Exercise Endurance Time During Constant Work Rate Cycle Ergometry Test in COPD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Respimat inhaler",
          "type": "DEVICE"
        },
        {
          "name": "tiotropium+olodaterol (low dose)",
          "type": "DRUG"
        },
        {
          "name": "tiotropium + olodaterol (high dose)",
          "type": "DRUG"
        },
        {
          "name": "placebo to tiotropium+olodaterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 404,
      "start_date": "2012-02",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2016-08-29",
      "last_synced_at": "2026-09-18T03:23:08.598Z",
      "location_count": 15,
      "location_summary": "Torrance, California • Hartford, Connecticut • Springfield, Illinois + 12 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Livonia",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01525615"
    },
    {
      "nct_id": "NCT01634139",
      "title": "Efficacy and Safety of 2 Doses of Tiotropium Respimat® Compared to Placebo in Children With Moderate Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Tiotropium low dose QD",
          "type": "DRUG"
        },
        {
          "name": "Tiotropium high dose QD",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "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": 403,
      "start_date": "2012-07",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2016-07-12",
      "last_synced_at": "2026-09-18T03:23:08.598Z",
      "location_count": 6,
      "location_summary": "Columbia, Missouri • Cincinnati, Ohio • Oklahoma City, Oklahoma + 3 more",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Arlington",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01634139"
    },
    {
      "nct_id": "NCT02085161",
      "title": "To Evaluate the Effect of Inhaled Medication Together With Exercise and Activity Training on Exercise Capacity and Daily Activities in Patients With Chronic Lung Disease With Obstruction of Airways",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "placebo to tiotropium + olodaterol",
          "type": "DRUG"
        },
        {
          "name": "tiotropium +olodaterol",
          "type": "DRUG"
        },
        {
          "name": "tiotropium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 304,
      "start_date": "2014-03",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2017-01-06",
      "last_synced_at": "2026-09-18T03:23:08.598Z",
      "location_count": 3,
      "location_summary": "San Diego, California • Torrance, California • Hartford, Connecticut",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02085161"
    },
    {
      "nct_id": "NCT01431287",
      "title": "Tiotropium +Olodaterol Fixed Dose Combination (FDC) Versus Tiotropium and Olodaterol in Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "tiotropium + olodaterol",
          "type": "DRUG"
        },
        {
          "name": "tiotropium",
          "type": "DRUG"
        },
        {
          "name": "olodaterol",
          "type": "DRUG"
        },
        {
          "name": "Respimat",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 2539,
      "start_date": "2011-09",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2015-07-16",
      "last_synced_at": "2026-09-18T03:23:08.598Z",
      "location_count": 38,
      "location_summary": "Greer, California • Fort Collins, Colorado • Danbury, Connecticut + 32 more",
      "locations": [
        {
          "city": "Greer",
          "state": "California"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "Danbury",
          "state": "Connecticut"
        },
        {
          "city": "Waterbury",
          "state": "Connecticut"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01431287"
    },
    {
      "nct_id": "NCT01533935",
      "title": "Effect on Exercise Endurance and Lung Hyperinflation of Tiotropium + Olodaterol in COPD Patients.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "tiotropium + Olodaterol",
          "type": "DRUG"
        },
        {
          "name": "Tiotropium",
          "type": "DRUG"
        },
        {
          "name": "Olodaterol",
          "type": "DRUG"
        },
        {
          "name": "Respimat",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 291,
      "start_date": "2012-02",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2015-09-15",
      "last_synced_at": "2026-09-18T03:23:08.598Z",
      "location_count": 11,
      "location_summary": "Phoenix, Arizona • Austell, Georgia • Baltimore, Maryland + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Austell",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Saint Charles",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01533935"
    },
    {
      "nct_id": "NCT01172808",
      "title": "Evaluation of Tiotropium 2.5 and 5 mcg Once Daily Delivered Via the Respimat® Inhaler Compared to Placebo and Salmeterol HydroFluoroAlkane (HFA) Metered Dose Inhaler (MDI) (50 mcg Twice Daily) in Patient With Moderate Persistent Asthma I",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "tiotropium Respimat® low dose",
          "type": "DRUG"
        },
        {
          "name": "tiotropium Respimat® high dose",
          "type": "DRUG"
        },
        {
          "name": "50 mcg salmeterol HFA MDI",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "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": 1071,
      "start_date": "2010-08",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2014-06-09",
      "last_synced_at": "2026-09-18T03:23:08.598Z",
      "location_count": 21,
      "location_summary": "Huntington Beach, California • Mission Viejo, California • San Diego, California + 17 more",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Wheat Ridge",
          "state": "Colorado"
        },
        {
          "city": "Coeur d'Alene",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01172808"
    },
    {
      "nct_id": "NCT01634113",
      "title": "Evaluation of Tiotropium 2.5 and 5 mcg Once Daily Delivered Via the Respimat® Inhaler Compared to Placebo in 1 to 5 Year Old Patients With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "tiotropium-bromide",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "1 Year to 5 Years"
      },
      "enrollment_count": 102,
      "start_date": "2012-07",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2015-06-23",
      "last_synced_at": "2026-09-18T03:23:08.598Z",
      "location_count": 4,
      "location_summary": "Columbia, Missouri • Oklahoma City, Oklahoma • Charleston, South Carolina + 1 more",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Summerville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01634113"
    },
    {
      "nct_id": "NCT03964220",
      "title": "Impact of Tiotropium Add-on Therapy in Patients With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Tiotropium Respimat®",
          "type": "DRUG"
        },
        {
          "name": "Inhaled Corticosteroid/Long-acting beta-agonist",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 7857,
      "start_date": "2019-03-15",
      "completion_date": "2019-09-20",
      "has_results": true,
      "last_update_posted_date": "2020-11-03",
      "last_synced_at": "2026-09-18T03:23:08.598Z",
      "location_count": 1,
      "location_summary": "White Plains, New York",
      "locations": [
        {
          "city": "White Plains",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03964220"
    },
    {
      "nct_id": "NCT02296138",
      "title": "Comparing the Efficacy of Tiotropium + Olodaterol (5/5 µg) Fixed Dose Combination (FDC) Over Tiotropium 5µg in Reducing Moderate to Severe Exacerbations in Patients With Severe to Very Severe Chronic Obstructive Pulmonary Disease.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "olodaterol",
          "type": "DRUG"
        },
        {
          "name": "tiotropium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 7903,
      "start_date": "2015-01-13",
      "completion_date": "2017-03-29",
      "has_results": true,
      "last_update_posted_date": "2018-06-04",
      "last_synced_at": "2026-09-18T03:23:08.598Z",
      "location_count": 117,
      "location_summary": "Andalusia, Alabama • Birmingham, Alabama • Florence, Alabama + 100 more",
      "locations": [
        {
          "city": "Andalusia",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Florence",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Flagstaff",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02296138"
    },
    {
      "nct_id": "NCT01533922",
      "title": "Effect on Exercise Endurance and Lung Hyperinflation of Tiotropium + Olodaterol in COPD Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Tiotropium",
          "type": "DRUG"
        },
        {
          "name": "Olodaterol",
          "type": "DRUG"
        },
        {
          "name": "Tiotropium + Olodaterol",
          "type": "DRUG"
        },
        {
          "name": "Respimat",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 295,
      "start_date": "2012-03",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2015-09-15",
      "last_synced_at": "2026-09-18T03:23:08.598Z",
      "location_count": 8,
      "location_summary": "Torrance, California • Hartford, Connecticut • Livonia, Michigan + 5 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Livonia",
          "state": "Michigan"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Easley",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01533922"
    }
  ]
}