{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+Intensity+Interval+training&page=4",
    "query": {
      "intervention": "High Intensity Interval training",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 212,
    "total_pages": 22,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+Intensity+Interval+training&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+Intensity+Interval+training&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-28T18:52:38.447Z",
  "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": "NCT04555512",
      "title": "A Study to Compare the Effectiveness of Different High-intensity Interval Training Programs in Cardiac Rehabilitation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Rehabilitation"
      ],
      "interventions": [
        {
          "name": "Progressive High Intensity Interval Training (PRO-HIIT)",
          "type": "OTHER"
        },
        {
          "name": "Constant High Intensity Interval Training (CON-HIIT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "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": "2021-06-23",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-14",
      "last_synced_at": "2026-10-28T18:52:38.447Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04555512"
    },
    {
      "nct_id": "NCT04679233",
      "title": "Feasibility and Safety of Aerobic Exercise for Head and Neck Cancer Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Neoplasm",
        "Radiotherapy"
      ],
      "interventions": [
        {
          "name": "Prescription aerobic exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-02",
      "completion_date": "2021-09",
      "has_results": false,
      "last_update_posted_date": "2022-02-24",
      "last_synced_at": "2026-10-28T18:52:38.447Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04679233"
    },
    {
      "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": "2026-10-28T18:52:38.447Z",
      "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": "NCT06270589",
      "title": "Acute Effects of High-intensity Interval Training With Mindfulness-based Recovery on Executive Function in Children",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "MF-HIIT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MF-only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HIIT-only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sitting rest",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "10 Years to 12 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-06-15",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-10-28T18:52:38.447Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06270589"
    },
    {
      "nct_id": "NCT03241433",
      "title": "High-Intensity Aerobic Lifelong Training--AF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "High intensity interval training",
          "type": "OTHER"
        },
        {
          "name": "Moderate intensity continuous training",
          "type": "OTHER"
        },
        {
          "name": "No Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 27,
      "start_date": "2018-05-01",
      "completion_date": "2021-10-04",
      "has_results": false,
      "last_update_posted_date": "2026-10-28",
      "last_synced_at": "2026-10-28T18:52:38.447Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03241433"
    },
    {
      "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": "2026-10-28T18:52:38.447Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05936008"
    },
    {
      "nct_id": "NCT05156372",
      "title": "Adjuvant High-intensity Interval Training During Chemotherapy in Metastatic Prostate Cancer Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer Metastatic",
        "Castrate Resistant Prostate Cancer",
        "Metastatic Prostate Cancer",
        "Metastatic Prostate Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2023-12",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2024-02-26",
      "last_synced_at": "2026-10-28T18:52:38.447Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05156372"
    },
    {
      "nct_id": "NCT05859204",
      "title": "Impact of Exercise Groups on Patient Mental Health and Wellbeing in an Acute Psychiatric Inpatient Unit",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychiatric Hospitalization",
        "Physical Inactivity",
        "Depression, Anxiety",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "OT-led Exercise Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as Usual - OT Groups",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2023-08-01",
      "completion_date": "2029-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-28T18:52:38.447Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05859204"
    },
    {
      "nct_id": "NCT05422534",
      "title": "CoQ10 and Exercise for Mitochondrial Dysfunction in Advance Kidney Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "CoQ10",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "HB-HIIT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Observational",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 156,
      "start_date": "2023-06-01",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-02",
      "last_synced_at": "2026-10-28T18:52:38.447Z",
      "location_count": 2,
      "location_summary": "Sacramento, California • Nashville, Tennessee",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05422534"
    },
    {
      "nct_id": "NCT02762825",
      "title": "Novel Cardiac Rehabilitation in Patients Heart Failure and Preserved Ejection Fraction",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Diastolic"
      ],
      "interventions": [
        {
          "name": "HIIT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MCT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2016-03-01",
      "completion_date": "2022-09-27",
      "has_results": false,
      "last_update_posted_date": "2022-12-06",
      "last_synced_at": "2026-10-28T18:52:38.447Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02762825"
    }
  ]
}