{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High-intensity+interval+training+%28HIIT%29+exercise&page=3",
    "query": {
      "intervention": "High-intensity interval training (HIIT) exercise",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 100,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High-intensity+interval+training+%28HIIT%29+exercise&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High-intensity+interval+training+%28HIIT%29+exercise&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T12:06:16.982Z",
  "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": "NCT04071548",
      "title": "The Effect of Exercise on Muscle Dysfunction in Cystinosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cystinosis"
      ],
      "interventions": [
        {
          "name": "HIIT Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 9,
      "start_date": "2023-01-26",
      "completion_date": "2024-05-15",
      "has_results": false,
      "last_update_posted_date": "2024-10-02",
      "last_synced_at": "2026-10-02T12:06:16.982Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04071548"
    },
    {
      "nct_id": "NCT04342390",
      "title": "Effects of High-Intensity Interval Training Exercise in Adolescents With Hepatosteatosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-Alcoholic Fatty Liver Disease",
        "Insulin Resistance",
        "High Intensity Interval Training",
        "Childhood Obesity"
      ],
      "interventions": [
        {
          "name": "High-Intensity Interval Training (HIIT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Arkansas Children's Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "13 Years to 18 Years"
      },
      "enrollment_count": 40,
      "start_date": "2021-04-02",
      "completion_date": "2022-11-01",
      "has_results": true,
      "last_update_posted_date": "2024-08-22",
      "last_synced_at": "2026-10-02T12:06:16.982Z",
      "location_count": 2,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04342390"
    },
    {
      "nct_id": "NCT06976060",
      "title": "High-Intensity Interval Training in a Community Gym",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Age-related Strength Loss"
      ],
      "interventions": [
        {
          "name": "High-Intensity Interval Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Creighton University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "50 Years to 95 Years"
      },
      "enrollment_count": 6,
      "start_date": "2025-06-03",
      "completion_date": "2025-08-07",
      "has_results": false,
      "last_update_posted_date": "2025-09-22",
      "last_synced_at": "2026-10-02T12:06:16.982Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06976060"
    },
    {
      "nct_id": "NCT02706093",
      "title": "Metabolic Adaptations in Response to High Intensity Interval Training in Obese Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glucose Intolerance"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training (HIIT)",
          "type": "OTHER"
        },
        {
          "name": "Moderate-intensity continuous training (MICT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 120,
      "start_date": "2016-05-03",
      "completion_date": "2022-05-04",
      "has_results": true,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-10-02T12:06:16.982Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02706093"
    },
    {
      "nct_id": "NCT05218083",
      "title": "REmotely Monitored, Mobile Health Supported Multidomain Rehabilitation Program With High Intensity Interval Training for COVID-19",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19",
        "Critical Illness",
        "ICU Acquired Weakness",
        "PICS",
        "Cardiorespiratory Fitness"
      ],
      "interventions": [
        {
          "name": "REmotely monitored, Mobile health supported Multidomain Rehabilitation Program with High Intensity Interval Training (REMM-HIIT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 120,
      "start_date": "2023-02-23",
      "completion_date": "2027-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-10-02T12:06:16.982Z",
      "location_count": 5,
      "location_summary": "Birmingham, Alabama • Lexington, Kentucky • Durham, North Carolina + 2 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05218083"
    },
    {
      "nct_id": "NCT03281668",
      "title": "Feasibility of High Intensity Interval Training in Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "High intensity interval training (HIIT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 29,
      "start_date": "2017-11-01",
      "completion_date": "2018-11-09",
      "has_results": true,
      "last_update_posted_date": "2019-11-22",
      "last_synced_at": "2026-10-02T12:06:16.982Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03281668"
    },
    {
      "nct_id": "NCT04080102",
      "title": "Essential Amino Acids and High Intensity Interval Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Risk Factor",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training",
          "type": "OTHER"
        },
        {
          "name": "Essential Amino Acid",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High intensity interval training and essential amino acid supplement",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "30 Years to 50 Years"
      },
      "enrollment_count": 84,
      "start_date": "2019-03-01",
      "completion_date": "2020-01-05",
      "has_results": false,
      "last_update_posted_date": "2020-04-30",
      "last_synced_at": "2026-10-02T12:06:16.982Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04080102"
    },
    {
      "nct_id": "NCT05936008",
      "title": "Fitness After Stroke Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stroke",
        "Stroke, Ischemic",
        "Stroke Hemorrhagic"
      ],
      "interventions": [
        {
          "name": "Exercise MICT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exercise HIIT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "20 Years to 85 Years"
      },
      "enrollment_count": 59,
      "start_date": "2023-07-03",
      "completion_date": "2025-12-08",
      "has_results": false,
      "last_update_posted_date": "2026-01-06",
      "last_synced_at": "2026-10-02T12:06:16.982Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05936008"
    },
    {
      "nct_id": "NCT06829836",
      "title": "Can You Breathe Your Way To Better Health?",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Chronic Stress",
        "Autonomic Dysfunction"
      ],
      "interventions": [
        {
          "name": "Hight intensity interval training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cyclic Hyperventilation with Retention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Northern Colorado",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 36,
      "start_date": "2025-01-27",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-25",
      "last_synced_at": "2026-10-02T12:06:16.982Z",
      "location_count": 1,
      "location_summary": "Greeley, Colorado",
      "locations": [
        {
          "city": "Greeley",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06829836"
    },
    {
      "nct_id": "NCT02923401",
      "title": "High-Intensity Interval Training for Women at Heightened Risk for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Disorders of Breast"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivational Session",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phone Call",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Printed Materials",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2016-09-30",
      "completion_date": "2022-01-05",
      "has_results": false,
      "last_update_posted_date": "2022-02-28",
      "last_synced_at": "2026-10-02T12:06:16.982Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02923401"
    }
  ]
}