{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HFA-134a",
    "query": {
      "intervention": "HFA-134a"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 63,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HFA-134a&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-12T02:28:58.758Z",
  "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": "NCT02031640",
      "title": "A Safety and Efficacy Study of Beclomethasone Dipropionate Delivered Via Breath-Actuated Inhaler (BAI) or Metered-Dose Inhaler (MDI) in Participants >=12 Years Old With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Beclomethasone dipropionate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Albuterol/salbutamol",
          "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": 1113,
      "start_date": "2013-12",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2021-11-09",
      "last_synced_at": "2026-09-12T02:28:58.758Z",
      "location_count": 94,
      "location_summary": "Costa Mesa, California • Huntington Beach, California • Long Beach, California + 77 more",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02031640"
    },
    {
      "nct_id": "NCT00393991",
      "title": "Comparison of New Combination Inhaler (FlutiForm HFA MDI 100/10 µg) Versus Fluticasone and Formoterol Administered Alone, and Placebo, in Patients With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fluticasone propionate/formoterol fumarate 100/10",
          "type": "DRUG"
        },
        {
          "name": "Fluticasone propionate 100",
          "type": "DRUG"
        },
        {
          "name": "Formoterol fumarate 10",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "SkyePharma AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 475,
      "start_date": "2006-07",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2011-06-23",
      "last_synced_at": "2026-09-12T02:28:58.758Z",
      "location_count": 47,
      "location_summary": "Pell City, Alabama • Scottsdale, Arizona • Cypress, California + 42 more",
      "locations": [
        {
          "city": "Pell City",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Cypress",
          "state": "California"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00393991"
    },
    {
      "nct_id": "NCT01188577",
      "title": "Epinephrine Inhalation Aerosol USP, a HFA-MDI Study for Assessment of Pharmacokinetics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Asthma",
        "Bronchospasm",
        "Wheezing",
        "Shortness of Breath"
      ],
      "interventions": [
        {
          "name": "Epinephrine Inhalation Aerosol, HFA",
          "type": "DRUG"
        },
        {
          "name": "Epinephrine Inhalation Aerosol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amphastar Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 23,
      "start_date": "2010-08",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2017-07-25",
      "last_synced_at": "2026-09-12T02:28:58.758Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01188577"
    },
    {
      "nct_id": "NCT01024608",
      "title": "Study in Adult and Adolescent Subjects With Seasonal Allergic Rhinitis (SAR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis",
        "Hay Fever"
      ],
      "interventions": [
        {
          "name": "Beclomethasone dipropionate",
          "type": "DRUG"
        },
        {
          "name": "Placebo Nasal Aerosol",
          "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": 340,
      "start_date": "2009-12-31",
      "completion_date": "2010-02-28",
      "has_results": true,
      "last_update_posted_date": "2021-12-03",
      "last_synced_at": "2026-09-12T02:28:58.758Z",
      "location_count": 4,
      "location_summary": "Austin, Texas • New Braunfels, Texas • San Antonio, Texas + 1 more",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "New Braunfels",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Waco",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01024608"
    },
    {
      "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": "2026-09-12T02:28:58.758Z",
      "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": "NCT01133626",
      "title": "Hypothalamic-Pituitary-Adrenal (HPA) Axis Study in Adult and Adolescent Subjects With Perennial Allergic Rhinitis (PAR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Perennial Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Placebo Nasal Aerosol",
          "type": "DRUG"
        },
        {
          "name": "Prednisone capsules",
          "type": "DRUG"
        },
        {
          "name": "Placebo Prednisone Capsules",
          "type": "DRUG"
        },
        {
          "name": "Beclomethasone dipropionate",
          "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": "45 Years",
        "sex": "ALL",
        "summary": "12 Years to 45 Years"
      },
      "enrollment_count": 107,
      "start_date": "2010-06",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2012-07-04",
      "last_synced_at": "2026-09-12T02:28:58.758Z",
      "location_count": 3,
      "location_summary": "North Dartmouth, Massachusetts • New Braunfels, Texas • San Antonio, Texas",
      "locations": [
        {
          "city": "North Dartmouth",
          "state": "Massachusetts"
        },
        {
          "city": "New Braunfels",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01133626"
    },
    {
      "nct_id": "NCT02040779",
      "title": "A 12-week Safety and Efficacy Study of Beclomethasone Dipropionate (80 and 160 mcg/Day) Delivered Via Breath-Actuated Inhaler (BAI) in Patients >=12 Years Old With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Persistent Asthma"
      ],
      "interventions": [
        {
          "name": "Beclomethasone dipropionate breath-actuated inhaler",
          "type": "DRUG"
        },
        {
          "name": "Placebo breath-actuated inhaler",
          "type": "DRUG"
        },
        {
          "name": "albuterol/salbutamol",
          "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": 273,
      "start_date": "2013-12-26",
      "completion_date": "2014-12-24",
      "has_results": true,
      "last_update_posted_date": "2021-11-09",
      "last_synced_at": "2026-09-12T02:28:58.758Z",
      "location_count": 47,
      "location_summary": "Huntington Beach, California • Mission Viejo, California • Orange, California + 41 more",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02040779"
    },
    {
      "nct_id": "NCT00790023",
      "title": "Clinical Trial to Assess the Efficacy and Safety of Ciclesonide Hydrofluoroalkane (HFA) Nasal Aerosol for the Treatment of Seasonal Allergic Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "80 mcg Ciclesonide",
          "type": "DRUG"
        },
        {
          "name": "160 mcg Ciclesonide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sumitomo Pharma America, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 707,
      "start_date": "2008-11",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2016-04-08",
      "last_synced_at": "2026-09-12T02:28:58.758Z",
      "location_count": 4,
      "location_summary": "Austin, Texas • Kerrville, Texas • New Braunfels, Texas + 1 more",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Kerrville",
          "state": "Texas"
        },
        {
          "city": "New Braunfels",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00790023"
    },
    {
      "nct_id": "NCT02141854",
      "title": "Efficacy and Safety Study of FP MDPI Compared With FS MDPI in Adolescent and Adult Patients With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "FS MDPI",
          "type": "DRUG"
        },
        {
          "name": "Fp MDPI",
          "type": "DRUG"
        },
        {
          "name": "Placebo MDPI",
          "type": "DRUG"
        },
        {
          "name": "Albuterol/salmeterol HFA MDI",
          "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": 882,
      "start_date": "2014-06",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2021-11-09",
      "last_synced_at": "2026-09-12T02:28:58.758Z",
      "location_count": 85,
      "location_summary": "Birmingham, Alabama • Little Rock, Alaska • Phoenix, Arizona + 74 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Encinitas",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02141854"
    },
    {
      "nct_id": "NCT05755932",
      "title": "Study to Assess Effect of Next-Generation Propellant MDI on Mucociliary Clearance Vs. HFA Propellant MDI in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Mucociliary Clearance"
      ],
      "interventions": [
        {
          "name": "HFO-1234ze(E)",
          "type": "DRUG"
        },
        {
          "name": "HFA-134a",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 35,
      "start_date": "2023-06-14",
      "completion_date": "2024-07-22",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-09-12T02:28:58.758Z",
      "location_count": 4,
      "location_summary": "Kansas City, Kansas • Baltimore, Maryland • Chapel Hill, North Carolina + 1 more",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05755932"
    }
  ]
}