{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=high-intensity+interval+training&page=2",
    "query": {
      "intervention": "high-intensity interval training",
      "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?intervention=high-intensity+interval+training&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T23:19:16.286Z",
  "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": "NCT02454777",
      "title": "High-Intensity Interval Training for Stage I-III Breast Cancer Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage IA Breast Cancer",
        "Stage IB Breast Cancer",
        "Stage IIA Breast Cancer",
        "Stage IIB Breast Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIC Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "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": 31,
      "start_date": "2015-09-29",
      "completion_date": "2019-07-15",
      "has_results": false,
      "last_update_posted_date": "2021-04-05",
      "last_synced_at": "2026-09-25T23:19:16.286Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02454777"
    },
    {
      "nct_id": "NCT03361644",
      "title": "The Role of High Intensity Interval Training in the Treatment of Adolescent Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pediatric Obesity",
        "Adolescent Obesity",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "High-Intensity Interval Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Moderate-Intensity Continuous Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "12 Years to 16 Years"
      },
      "enrollment_count": 80,
      "start_date": "2018-02-08",
      "completion_date": "2020-02-20",
      "has_results": false,
      "last_update_posted_date": "2021-04-08",
      "last_synced_at": "2026-09-25T23:19:16.286Z",
      "location_count": 1,
      "location_summary": "Henrico, Virginia",
      "locations": [
        {
          "city": "Henrico",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03361644"
    },
    {
      "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": "2026-09-25T23:19:16.286Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04656509"
    },
    {
      "nct_id": "NCT05930431",
      "title": "Physical Activity Variety's Impact on Physical Activity Participation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Inactivity"
      ],
      "interventions": [
        {
          "name": "Physical activity variety intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical activity consistency comparison condition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "MALE",
        "summary": "18 Years to 25 Years · Male only"
      },
      "enrollment_count": 47,
      "start_date": "2023-09-01",
      "completion_date": "2024-06-03",
      "has_results": false,
      "last_update_posted_date": "2025-01-07",
      "last_synced_at": "2026-09-25T23:19:16.286Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05930431"
    },
    {
      "nct_id": "NCT05740839",
      "title": "High-Intensity Interval Exercise in Young Adult Survivors of Pediatric Brain Tumors: A Pilot Feasibility Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pediatric Brain Tumor"
      ],
      "interventions": [
        {
          "name": "HIIT Exercise Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 30,
      "start_date": "2023-12-04",
      "completion_date": "2027-09-24",
      "has_results": false,
      "last_update_posted_date": "2026-02-24",
      "last_synced_at": "2026-09-25T23:19:16.286Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05740839"
    },
    {
      "nct_id": "NCT03319394",
      "title": "The First 20 Fire Academy Recruits Exercise Training Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Fitness"
      ],
      "interventions": [
        {
          "name": "The First Twenty",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Comparison",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kansas State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2016-02-15",
      "completion_date": "2016-05-16",
      "has_results": false,
      "last_update_posted_date": "2017-10-24",
      "last_synced_at": "2026-09-25T23:19:16.286Z",
      "location_count": 1,
      "location_summary": "Manhattan, Kansas",
      "locations": [
        {
          "city": "Manhattan",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03319394"
    },
    {
      "nct_id": "NCT01939769",
      "title": "Effects of Exercise on Memory in Healthy and Brain-Injured Individuals",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Exercise - Low-intensity exercise",
          "type": "OTHER"
        },
        {
          "name": "Exercise - High-intensity exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 42,
      "start_date": "2013-08-31",
      "completion_date": "2017-08-28",
      "has_results": false,
      "last_update_posted_date": "2017-08-30",
      "last_synced_at": "2026-09-25T23:19:16.286Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01939769"
    },
    {
      "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": "2026-09-25T23:19:16.286Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04071548"
    },
    {
      "nct_id": "NCT07442578",
      "title": "Impact of Exercise Intensity on Cardiac Health in Young Adult Survivors of Childhood Cancer: The PULSE Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Cancer Survivors",
        "Cardiotoxicity",
        "Cardiovascular Diseases",
        "Anthracycline-induced Cardiotoxicity"
      ],
      "interventions": [
        {
          "name": "HIIT Exercise Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MICT Exercise Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 20,
      "start_date": "2026-03-04",
      "completion_date": "2028-03-04",
      "has_results": false,
      "last_update_posted_date": "2026-03-18",
      "last_synced_at": "2026-09-25T23:19:16.286Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07442578"
    },
    {
      "nct_id": "NCT02064361",
      "title": "High Intensity Cycling Before SCUBA Diving Reduces Post-decompression Microparticle Production and Neutrophil Activation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Decompression Sickness",
        "SCUBA Diving"
      ],
      "interventions": [
        {
          "name": "High intensity exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Split",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 10,
      "start_date": "2013-02",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2014-02-17",
      "last_synced_at": "2026-09-25T23:19:16.286Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02064361"
    }
  ]
}