{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Bronchoconstriction",
    "query": {
      "condition": "Bronchoconstriction"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 30,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Bronchoconstriction&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T12:46:55.583Z",
  "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": "NCT01056159",
      "title": "A Cumulative Dose Study to Evaluate the Safety and Efficacy of Albuterol in a Dry Powder Inhaler and an HFA MDI (Hydrofluoroalkane Metered Dose Inhaler)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Albuterol dry powder inhaler",
          "type": "DRUG"
        },
        {
          "name": "Albuterol HFA MDI (hydrofluoroalkane metered dose inhaler)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 47,
      "start_date": "2010-01",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2022-02-02",
      "last_synced_at": "2026-06-10T12:46:55.583Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • Denver, Colorado • Lakewood, Colorado + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Normal",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01056159"
    },
    {
      "nct_id": "NCT02497222",
      "title": "Pilot Study of RNS60 in Allergen-induced Bronchoconstriction",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "RNS60",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Revalesio Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-10-04",
      "last_synced_at": "2026-06-10T12:46:55.583Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02497222"
    },
    {
      "nct_id": "NCT04234464",
      "title": "A Study to Assess the Efficacy of Budesonide/Albuterol Metered-dose Inhaler (BDA MDI/PT027) on Exercise-induced Bronchoconstriction in Adults and Adolescents With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Exercise Induced Bronchospasm"
      ],
      "interventions": [
        {
          "name": "Budesonide/albuterol sulfate metered-dose inhaler 160/180 μg",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo metered-dose inhaler",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Bond Avillion 2 Development LP",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "12 Years to 70 Years"
      },
      "enrollment_count": 60,
      "start_date": "2020-01-15",
      "completion_date": "2020-08-28",
      "has_results": true,
      "last_update_posted_date": "2022-01-13",
      "last_synced_at": "2026-06-10T12:46:55.583Z",
      "location_count": 6,
      "location_summary": "Denver, Colorado • North Dartmouth, Massachusetts • St Louis, Missouri + 3 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "North Dartmouth",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Skillman",
          "state": "New Jersey"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04234464"
    },
    {
      "nct_id": "NCT01691079",
      "title": "Effectiveness of Ipratropium Bromide in Preventing Exercise-induced Bronchoconstriction in Athletes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bronchospasm, Exercise-Induced"
      ],
      "interventions": [
        {
          "name": "ipratropium bromide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2012-12",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2020-06-05",
      "last_synced_at": "2026-06-10T12:46:55.583Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01691079"
    },
    {
      "nct_id": "NCT01424813",
      "title": "A 12-week Study to Compare the Efficacy and Safety of Albuterol Spiromax® Versus a Placebo in People 12 Years and Older With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Placebo MDPI",
          "type": "DRUG"
        },
        {
          "name": "Albuterol MDPI",
          "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": 158,
      "start_date": "2012-12",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2015-06-26",
      "last_synced_at": "2026-06-10T12:46:55.583Z",
      "location_count": 38,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Costa Mesa, California + 30 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01424813"
    },
    {
      "nct_id": "NCT01547286",
      "title": "Imaging Study of the Lungs During an Allergic Asthma Attack",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma",
        "Atopy"
      ],
      "interventions": [
        {
          "name": "Standardized Cat Allergen Extract and Standardized Dust Mite Allergen",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Computed Tomography imaging, functional Positron Emission Tomography imaging",
          "type": "RADIATION"
        },
        {
          "name": "Nebulized methacholine inhalation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 7,
      "start_date": "2012-05",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2017-11-22",
      "last_synced_at": "2026-06-10T12:46:55.583Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01547286"
    },
    {
      "nct_id": "NCT02730351",
      "title": "Crossover Study Comparing Fluticasone Furoate (FF)/Vilanterol (VI) Once Daily Versus Fluticasone Propionate (FP) Twice Daily in Subjects With Asthma and Exercise-Induced Bronchoconstriction (EIB)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fluticasone furoate/ Vilanterol 100 mcg/25 mcg",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone propionate 250 mcg",
          "type": "DRUG"
        },
        {
          "name": "Placebo via ELLIPTA inhaler",
          "type": "DRUG"
        },
        {
          "name": "Placebo via DISKUS / ACCUHALER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "12 Years to 50 Years"
      },
      "enrollment_count": 75,
      "start_date": "2016-05-25",
      "completion_date": "2017-02-03",
      "has_results": true,
      "last_update_posted_date": "2019-07-16",
      "last_synced_at": "2026-06-10T12:46:55.583Z",
      "location_count": 13,
      "location_summary": "Huntington Beach, California • Los Angeles, California • San Diego, California + 9 more",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02730351"
    },
    {
      "nct_id": "NCT00685347",
      "title": "Dose Response Study of Levalbuterol in the Prevention of Exercise Induced Bronchoconstriction Compared to Racemic Albuterol in Pediatric Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma",
        "Bronchoconstriction"
      ],
      "interventions": [
        {
          "name": "Levalbuterol HFA MDI",
          "type": "DRUG"
        },
        {
          "name": "Racemic Albuterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sumitomo Pharma America, Inc.",
      "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": 33,
      "start_date": "2003-01",
      "completion_date": "2003-06",
      "has_results": false,
      "last_update_posted_date": "2012-02-22",
      "last_synced_at": "2026-06-10T12:46:55.583Z",
      "location_count": 6,
      "location_summary": "Long Beach, California • Denver, Colorado • Englewood, Colorado + 3 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Russells Mills",
          "state": "Massachusetts"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00685347"
    },
    {
      "nct_id": "NCT01200446",
      "title": "Effect of a Component of Fish Oil on Exercise-Induced Bronchoconstriction and Airway Inflammation in Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Docosahexaenoic Acid",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Docosahexaenoic Acid",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 16,
      "start_date": "2010-10",
      "completion_date": "2011-01",
      "has_results": false,
      "last_update_posted_date": "2011-05-26",
      "last_synced_at": "2026-06-10T12:46:55.583Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01200446"
    },
    {
      "nct_id": "NCT07281274",
      "title": "ADO-5030 in Bronchoconstriction Challenge, Phase 1b",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Asthma (Diagnosis)"
      ],
      "interventions": [
        {
          "name": "ADO-5030",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Adovate",
      "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": 36,
      "start_date": "2026-01-01",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-06-10T12:46:55.583Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07281274"
    }
  ]
}