{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Expiratory+muscle+strength+training+%28EMST%29",
    "query": {
      "intervention": "Expiratory muscle strength training (EMST)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 22,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Expiratory+muscle+strength+training+%28EMST%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-01T19:50:56.774Z",
  "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": "NCT03652662",
      "title": "RESP-FIT: Technology-Enhanced Self-Management in COPD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COPD"
      ],
      "interventions": [
        {
          "name": "RESP-FIT",
          "type": "DEVICE"
        },
        {
          "name": "RESP-FIT Comparator",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2018-01-18",
      "completion_date": "2020-01-13",
      "has_results": true,
      "last_update_posted_date": "2021-03-30",
      "last_synced_at": "2026-09-01T19:50:56.774Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03652662"
    },
    {
      "nct_id": "NCT03557775",
      "title": "Respiratory Muscle Strength Training in Presbyphonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbylarynx"
      ],
      "interventions": [
        {
          "name": "Inspiratory Muscle Strength Training (IMST)",
          "type": "DEVICE"
        },
        {
          "name": "Expiratory Muscle Strength Training (EMST)",
          "type": "DEVICE"
        },
        {
          "name": "Voice Exercises",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2018-06-15",
      "completion_date": "2019-07-16",
      "has_results": true,
      "last_update_posted_date": "2020-09-07",
      "last_synced_at": "2026-09-01T19:50:56.774Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03557775"
    },
    {
      "nct_id": "NCT06091280",
      "title": "Home-Based Respiratory Muscle Strength Training Program for Individuals With Post-COVID-19 Persistent Dyspnea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-COVID-19 Syndrome",
        "Dyspnea"
      ],
      "interventions": [
        {
          "name": "Respiratory Muscle Strength Trainers",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2023-12-01",
      "completion_date": "2025-03-14",
      "has_results": false,
      "last_update_posted_date": "2025-04-15",
      "last_synced_at": "2026-09-01T19:50:56.774Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06091280"
    },
    {
      "nct_id": "NCT01907321",
      "title": "Cough and Swallow Rehab Following Stroke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Ischemic Stroke"
      ],
      "interventions": [
        {
          "name": "Expiratory muscle strength training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo expiratory training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Measures performed on all subjects",
          "type": "DRUG"
        },
        {
          "name": "Pulmonary function test",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fluoroscopic swallow study",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 14,
      "start_date": "2011-01",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2017-01-27",
      "last_synced_at": "2026-09-01T19:50:56.774Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida • Jacksonville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01907321"
    },
    {
      "nct_id": "NCT03975465",
      "title": "EMST and Swallowing in Long-Term Survivors of HNCA",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Neoplasms",
        "Deglutition Disorders"
      ],
      "interventions": [
        {
          "name": "Expiratory Muscle Strength Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pharyngeal Muscle Strengthening Exercises",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Milwaukee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2018-09-10",
      "completion_date": "2024-06-04",
      "has_results": false,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-09-01T19:50:56.774Z",
      "location_count": 2,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03975465"
    },
    {
      "nct_id": "NCT05970406",
      "title": "High Intensity Dysphagia Rehab for Acute Ischemic Stroke Patients",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dysphagia Following Cerebrovascular Accident"
      ],
      "interventions": [
        {
          "name": "high intensity dysphagia therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 60,
      "start_date": "2023-11-30",
      "completion_date": "2027-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-09-01T19:50:56.774Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05970406"
    },
    {
      "nct_id": "NCT05700825",
      "title": "Rehabilitation of Airway Protection in Parkinson's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease",
        "Dysphagia"
      ],
      "interventions": [
        {
          "name": "Expiratory Muscle Strength Training + Cough Skill Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Teachers College, Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 120,
      "start_date": "2022-08-11",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-24",
      "last_synced_at": "2026-09-01T19:50:56.774Z",
      "location_count": 2,
      "location_summary": "West Lafayette, Indiana • New York, New York",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05700825"
    },
    {
      "nct_id": "NCT05492266",
      "title": "Expiratory Muscle Strength Training for Hypernasal Speech in Children",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Velopharyngeal Insufficiency",
        "Velopharyngeal Incompetence Due to Cleft Palate",
        "Inadequate Velopharyngeal Closure",
        "Palatopharyngeal Incompetence",
        "Hypernasality"
      ],
      "interventions": [
        {
          "name": "Expiratory Muscle Strength Training",
          "type": "DEVICE"
        },
        {
          "name": "Maintenance Training",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Noel Jabbour",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-03-03",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-09-01T19:50:56.774Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05492266"
    },
    {
      "nct_id": "NCT05913882",
      "title": "Combined Respiratory Training in Persons With ALS",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ALS",
        "Respiratory Insufficiency",
        "Dysphagia"
      ],
      "interventions": [
        {
          "name": "Respiratory Muscle Strength Training (LVR+EMST)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Nova Southeastern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 34,
      "start_date": "2023-08-22",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-23",
      "last_synced_at": "2026-09-01T19:50:56.774Z",
      "location_count": 1,
      "location_summary": "Fort Lauderdale, Florida",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05913882"
    },
    {
      "nct_id": "NCT03916809",
      "title": "EMST in Patients Undergoing CRT for HNCA",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Neoplasms",
        "Deglutition Disorders"
      ],
      "interventions": [
        {
          "name": "EMST",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Milwaukee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2017-07-12",
      "completion_date": "2025-08-01",
      "has_results": false,
      "last_update_posted_date": "2024-12-04",
      "last_synced_at": "2026-09-01T19:50:56.774Z",
      "location_count": 2,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03916809"
    }
  ]
}