{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breathing+Exercises&page=2",
    "query": {
      "condition": "Breathing Exercises",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breathing+Exercises&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T00:36:00.616Z",
  "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": "NCT03530163",
      "title": "Breathing Training to Improve Human Performance at High Altitude",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mountain Sickness Acute"
      ],
      "interventions": [
        {
          "name": "Respiratory Muscle Training",
          "type": "DEVICE"
        },
        {
          "name": "Sham Breathing Training",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 28,
      "start_date": "2018-08-09",
      "completion_date": "2020-01-15",
      "has_results": false,
      "last_update_posted_date": "2022-04-19",
      "last_synced_at": "2026-06-27T00:36:00.616Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03530163"
    },
    {
      "nct_id": "NCT02024386",
      "title": "Efficacy Study of Riociguat and Its Effects on Exercise Performance and Pulmonary Artery Pressure at High Altitude",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension, Pulmonary",
        "Altitude Sickness"
      ],
      "interventions": [
        {
          "name": "Riociguat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Richard Moon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 28,
      "start_date": "2014-01",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2017-04-12",
      "last_synced_at": "2026-06-27T00:36:00.616Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02024386"
    },
    {
      "nct_id": "NCT06230692",
      "title": "Diaphragm Structure and Function in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Muscle Training"
      ],
      "interventions": [
        {
          "name": "POWERbreathe Plus IMT",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 10,
      "start_date": "2024-03-16",
      "completion_date": "2025-01-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-06-27T00:36:00.616Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06230692"
    },
    {
      "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": "2026-06-27T00:36:00.616Z",
      "location_count": 1,
      "location_summary": "Fort Lauderdale, Florida",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05913882"
    },
    {
      "nct_id": "NCT02533804",
      "title": "The Lake Nona Life Project",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Health Behavior",
        "Quality of Life",
        "Aging"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Central Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "18 Years to 110 Years"
      },
      "enrollment_count": 10000,
      "start_date": "2014-12-31",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-06-27T00:36:00.616Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02533804"
    },
    {
      "nct_id": "NCT04291131",
      "title": "BRAIN, Symptoms, and Physical Activity in COPD",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COPD",
        "Chronic Musculoskeletal Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "40 Years and older · Male only"
      },
      "enrollment_count": 9,
      "start_date": "2020-07-01",
      "completion_date": "2024-06-30",
      "has_results": true,
      "last_update_posted_date": "2025-08-15",
      "last_synced_at": "2026-06-27T00:36:00.616Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04291131"
    },
    {
      "nct_id": "NCT02467023",
      "title": "Project 4B: Lower Extremity Strength Training in ICU Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sepsis"
      ],
      "interventions": [
        {
          "name": "Muscle stimulation with Niveus medical stimulator",
          "type": "DEVICE"
        },
        {
          "name": "measurement of maximal isometric twitch strength",
          "type": "DEVICE"
        },
        {
          "name": "Muscle Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Muscle Biopsy Medication: Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Muscle Biopsy Medication: Versed",
          "type": "DRUG"
        },
        {
          "name": "Muscle Biopsy Medication: Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Blood and Urine Sampling",
          "type": "OTHER"
        },
        {
          "name": "ineffective muscle stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2015-09",
      "completion_date": "2016-07-15",
      "has_results": false,
      "last_update_posted_date": "2018-01-19",
      "last_synced_at": "2026-06-27T00:36:00.616Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02467023"
    },
    {
      "nct_id": "NCT04266197",
      "title": "Vardenafil Inhaled for Pulmonary Arterial Hypertension PRN Phase 2B Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Arterial Hypertension"
      ],
      "interventions": [
        {
          "name": "Drug: RT234 - vardenafil inhalation powder; Device: Axially Oscillating Sphere dry powder inhaler (AOS DPI)",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Respira Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 42,
      "start_date": "2020-09-25",
      "completion_date": "2025-01-07",
      "has_results": true,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-06-27T00:36:00.616Z",
      "location_count": 26,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Los Angeles, California + 22 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04266197"
    },
    {
      "nct_id": "NCT06927973",
      "title": "Leveraging Exercise Stress Echocardiography for Heart Failure With Preserved Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chest Pain",
        "Shortness of Breath"
      ],
      "interventions": [
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-05-30",
      "completion_date": "2025-12-19",
      "has_results": false,
      "last_update_posted_date": "2025-12-23",
      "last_synced_at": "2026-06-27T00:36:00.616Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06927973"
    },
    {
      "nct_id": "NCT01154127",
      "title": "Effect of NVA237 on Exercise Endurance in Patients With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "NVA237",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 108,
      "start_date": "2010-06",
      "completion_date": "2011-02",
      "has_results": true,
      "last_update_posted_date": "2012-05-07",
      "last_synced_at": "2026-06-27T00:36:00.616Z",
      "location_count": 1,
      "location_summary": "Spartanburg, South Carolina",
      "locations": [
        {
          "city": "Spartanburg",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01154127"
    }
  ]
}