{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=High+Intensity+Interval+Exercise",
    "query": {
      "condition": "High Intensity Interval Exercise"
    },
    "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?condition=High+Intensity+Interval+Exercise&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T11:33:50.003Z",
  "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": "NCT04293367",
      "title": "Fuel Utilization, Diet Composition, and Exercise in African American Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Diabetes",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training (HIIT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 40 Years · Female only"
      },
      "enrollment_count": 28,
      "start_date": "2009-06-01",
      "completion_date": "2013-11-20",
      "has_results": false,
      "last_update_posted_date": "2020-03-03",
      "last_synced_at": "2026-07-24T11:33:50.003Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04293367"
    },
    {
      "nct_id": "NCT05529498",
      "title": "High Intensity Interval Gait Training in Multiple Sclerosis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis,Gait, Exercise"
      ],
      "interventions": [
        {
          "name": "Moderate paced continuous gait training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "High Intensity Interval gait training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "City University of New York",
      "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": 30,
      "start_date": "2022-09-02",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-09-07",
      "last_synced_at": "2026-07-24T11:33:50.003Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05529498"
    },
    {
      "nct_id": "NCT06059872",
      "title": "Biomarkers of Reaction To HIIT Exercise",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke",
        "Stroke Rehabilitation",
        "Lower Extremity Weakness, Spastic",
        "Walking, Difficulty"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training (HIIT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 55,
      "start_date": "2024-01-01",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-07-24T11:33:50.003Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06059872"
    },
    {
      "nct_id": "NCT06576817",
      "title": "High-intensity Interval Circuit Training in People With Parkinson Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "High intensity circuit exercise class - Lower and upper extremity",
          "type": "OTHER"
        },
        {
          "name": "High intensity circuit exercise class - Lower extremity alone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pacific Northwest University of Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 64,
      "start_date": "2024-02-15",
      "completion_date": "2025-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-07-24T11:33:50.003Z",
      "location_count": 1,
      "location_summary": "Yakima, Washington",
      "locations": [
        {
          "city": "Yakima",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06576817"
    },
    {
      "nct_id": "NCT02356900",
      "title": "Hyperbaric VO2max Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Exercise Training"
      ],
      "interventions": [
        {
          "name": "Hyperoxic hyperbaric interval exercise training",
          "type": "PROCEDURE"
        },
        {
          "name": "Normoxic, normobaric, interval exercise training",
          "type": "PROCEDURE"
        },
        {
          "name": "Oxygen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 25,
      "start_date": "2015-02",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2017-05-17",
      "last_synced_at": "2026-07-24T11:33:50.003Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02356900"
    },
    {
      "nct_id": "NCT04724499",
      "title": "Improving Cognitive Function Through High-intensity Interval Training in Breast Cancer Patients Undergoing Chemotherapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Chemotherapy Effect",
        "Exercise Therapy",
        "Cognitive Change"
      ],
      "interventions": [
        {
          "name": "High-Intensity Intervals Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2021-07-14",
      "completion_date": "2027-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-07-24T11:33:50.003Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04724499"
    },
    {
      "nct_id": "NCT04656509",
      "title": "Effects of Short Duration High-intensity Interval Training on Peak Oxygen Consumption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Fitness"
      ],
      "interventions": [
        {
          "name": "4-s sprint inertial load training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 11,
      "start_date": "2019-04-01",
      "completion_date": "2020-04-24",
      "has_results": false,
      "last_update_posted_date": "2020-12-09",
      "last_synced_at": "2026-07-24T11:33:50.003Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04656509"
    },
    {
      "nct_id": "NCT05913713",
      "title": "HIIT Following Breast Cancer Chemotherapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "12-week Intervention Period",
          "type": "BEHAVIORAL"
        },
        {
          "name": "12-week Observation Period",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 85 Years · Female only"
      },
      "enrollment_count": 158,
      "start_date": "2024-03-07",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-07-24T11:33:50.003Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05913713"
    },
    {
      "nct_id": "NCT04733287",
      "title": "Heat Therapy and Muscle Function Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise Intolerance",
        "Aging",
        "Heat Therapy",
        "High Intensity Interval Training"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training of the Knee Extensors",
          "type": "OTHER"
        },
        {
          "name": "Muscle Heat Therapy",
          "type": "OTHER"
        },
        {
          "name": "Muscle Disuse",
          "type": "OTHER"
        },
        {
          "name": "Sham Heat Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham Young University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 148,
      "start_date": "2021-04-01",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-07-24T11:33:50.003Z",
      "location_count": 1,
      "location_summary": "Provo, Utah",
      "locations": [
        {
          "city": "Provo",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04733287"
    },
    {
      "nct_id": "NCT04940598",
      "title": "High Intensity Interval Exercise SCI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injuries",
        "Cardiometabolic Diseases"
      ],
      "interventions": [
        {
          "name": "high intensity interval exercise",
          "type": "OTHER"
        },
        {
          "name": "No-exercise control group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "19 Years to 65 Years"
      },
      "enrollment_count": 8,
      "start_date": "2021-02-01",
      "completion_date": "2023-07-31",
      "has_results": true,
      "last_update_posted_date": "2024-07-24",
      "last_synced_at": "2026-07-24T11:33:50.003Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04940598"
    }
  ]
}