{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+intensity+Interval+Training",
    "query": {
      "intervention": "High intensity Interval Training"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 210,
    "total_pages": 21,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+intensity+Interval+Training&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T00:44:18.491Z",
  "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": "NCT06953648",
      "title": "Remotely Monitored, Mobile Health-supported, High Intensity Interval Training Before Hematopoietic Stem Cell Transplant",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic Stem Cell Transplantation",
        "Cardiorespiratory Fitness"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 126,
      "start_date": "2025-05",
      "completion_date": "2030-03",
      "has_results": false,
      "last_update_posted_date": "2025-05-01",
      "last_synced_at": "2026-09-05T00:44:18.491Z",
      "location_count": 3,
      "location_summary": "Kansas City, Kansas • Durham, North Carolina • Houston, Texas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06953648"
    },
    {
      "nct_id": "NCT03373890",
      "title": "Cerebral Palsy: Short-burst Interval Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cerebral Palsy Spastic Diplegia"
      ],
      "interventions": [
        {
          "name": "Short Burst Interval Locomotor Treadmill Training (SBLTT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "5 Years to 12 Years"
      },
      "enrollment_count": 12,
      "start_date": "2014-08-01",
      "completion_date": "2016-07-31",
      "has_results": true,
      "last_update_posted_date": "2019-07-10",
      "last_synced_at": "2026-09-05T00:44:18.491Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03373890"
    },
    {
      "nct_id": "NCT02528344",
      "title": "High Intensity Interval Training and Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "HIIT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "60 Years to 80 Years"
      },
      "enrollment_count": 12,
      "start_date": "2015-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-12-08",
      "last_synced_at": "2026-09-05T00:44:18.491Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02528344"
    },
    {
      "nct_id": "NCT02941939",
      "title": "Effects of High-Intensity Interval Training (HIT) While in a Hyperoxic-Hyperbaric Environment on Exercise Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise Performance"
      ],
      "interventions": [
        {
          "name": "Hyperbaric chamber",
          "type": "OTHER"
        },
        {
          "name": "Ambient pressure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Intermountain Health Care, Inc.",
      "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": 50,
      "start_date": "2016-04-14",
      "completion_date": "2017-06-08",
      "has_results": false,
      "last_update_posted_date": "2018-05-22",
      "last_synced_at": "2026-09-05T00:44:18.491Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02941939"
    },
    {
      "nct_id": "NCT04025229",
      "title": "High Intensity Interval Training in Endometrial Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "HIIT exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 75 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2019-09-23",
      "completion_date": "2024-09-08",
      "has_results": true,
      "last_update_posted_date": "2025-10-15",
      "last_synced_at": "2026-09-05T00:44:18.491Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04025229"
    },
    {
      "nct_id": "NCT05625204",
      "title": "High Intensity Interval Training (HIIT) to Reduce Frailty and Enhance Resilience in Older Veterans",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Frailty"
      ],
      "interventions": [
        {
          "name": "Center based attention (stretching only) control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Center based HIIT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Home based HIIT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2024-01-29",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-09-05T00:44:18.491Z",
      "location_count": 2,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05625204"
    },
    {
      "nct_id": "NCT07182955",
      "title": "Determinants of Cardiorespiratory Fitness and Effects of HIIT in Patients With ANOCA Obstructive Coronary Artery Disease(ANOCA)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "MINOCA",
        "Shortness of Breath",
        "Atherosclerotic Heart Disease of Native Coronary Artery"
      ],
      "interventions": [
        {
          "name": "EXERCISE TRAINING WITH OR WITHOUT MEDICATION",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 25,
      "start_date": "2025-08-11",
      "completion_date": "2026-04-14",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-09-05T00:44:18.491Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07182955"
    },
    {
      "nct_id": "NCT04550676",
      "title": "High-Intensity Exercise to Attenuate Limitations and Train Habits in Older Adults With HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hiv",
        "Fatigue",
        "Mobility Limitation"
      ],
      "interventions": [
        {
          "name": "HIIT (intervention)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "CME (active control)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Coaching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control text message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 118,
      "start_date": "2021-04-02",
      "completion_date": "2025-11-24",
      "has_results": true,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-09-05T00:44:18.491Z",
      "location_count": 3,
      "location_summary": "Aurora, Colorado • Seattle, Washington",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04550676"
    },
    {
      "nct_id": "NCT05877196",
      "title": "A SMART Trial of Adaptive Exercises to Optimize Aerobic-Fitness Responses",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Alzheimer Disease",
        "Cognitive Impairment",
        "Cognitive Decline",
        "Memory Loss",
        "Memory Impairment"
      ],
      "interventions": [
        {
          "name": "Moderate Intensity Continuous Training (MICT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Chair-based Stretch",
          "type": "BEHAVIORAL"
        },
        {
          "name": "High-Intensity Interval Training (HIIT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Combined Aerobic Resistance Exercise (CARE)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 216,
      "start_date": "2023-06-22",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-05T00:44:18.491Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05877196"
    },
    {
      "nct_id": "NCT04664101",
      "title": "REmotely Monitored, Mobile Health-Supported High Intensity Interval Training After COVID-19 Critical Illness (REMM-HIIT-COVID-19)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Covid19",
        "Critical Illness",
        "High Intensity Interval Training",
        "ICU",
        "Intensive Care Units",
        "Fitness Trackers"
      ],
      "interventions": [
        {
          "name": "REmotely Monitored, Mhealth (REMM) supported High Intensity Interval Training (HIIT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Comparator",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2022-03-02",
      "completion_date": "2023-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-01-18",
      "last_synced_at": "2026-09-05T00:44:18.491Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Nashville, Tennessee",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04664101"
    }
  ]
}