{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HIIT+%28intervention%29",
    "query": {
      "intervention": "HIIT (intervention)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 65,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HIIT+%28intervention%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-15T01:25:04.098Z",
  "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": "NCT04774484",
      "title": "High-Intensity Interval Training and Regulatory T Cells",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Francesc Marti",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2023-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-02-14",
      "last_synced_at": "2026-09-15T01:25:04.098Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04774484"
    },
    {
      "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": "2026-09-15T01:25:04.098Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02706093"
    },
    {
      "nct_id": "NCT06753253",
      "title": "Effects of Exercise Intensity on ADHD Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attention Deficit Disorder with Hyperactivity",
        "Attention Deficit Hyperactivity Disorder",
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Cycling Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kent State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "18 Years to 26 Years"
      },
      "enrollment_count": 28,
      "start_date": "2024-08-06",
      "completion_date": "2024-11-25",
      "has_results": false,
      "last_update_posted_date": "2024-12-31",
      "last_synced_at": "2026-09-15T01:25:04.098Z",
      "location_count": 1,
      "location_summary": "Kent, Ohio",
      "locations": [
        {
          "city": "Kent",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06753253"
    },
    {
      "nct_id": "NCT06013579",
      "title": "Effect of High-Intensity Exercise to Attenuate Cognitive Function Limitations and Train Exercise Habits in Older People Living With HIV",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Phase 1 Gym Exercise HIIT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 1 Gym Exercise CME",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 2 Home Exercise Coaching Text Messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 2 Home Exercise Control Text Messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 110,
      "start_date": "2023-08-01",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-09-15T01:25:04.098Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Aurora, Colorado • Seattle, Washington",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06013579"
    },
    {
      "nct_id": "NCT04378218",
      "title": "Cardiovascular Effects of High Intensity Interval Training in Individuals With Paraplegia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Paraplegia, Spinal",
        "Spinal Cord Trauma"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training (HIIT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 10,
      "start_date": "2019-12-12",
      "completion_date": "2021-07-16",
      "has_results": false,
      "last_update_posted_date": "2021-08-20",
      "last_synced_at": "2026-09-15T01:25:04.098Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04378218"
    },
    {
      "nct_id": "NCT03482726",
      "title": "Cadence Modulation to Improve Well-Being, Kinematics and Aerobic Performance in Cyclists",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Cycling Cadence Modulation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 25,
      "start_date": "2017-06-26",
      "completion_date": "2019-04-02",
      "has_results": false,
      "last_update_posted_date": "2019-12-26",
      "last_synced_at": "2026-09-15T01:25:04.098Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03482726"
    },
    {
      "nct_id": "NCT06888596",
      "title": "Feasibility of HIIT in Older Adults with HIV and Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "Hypertension",
        "Exercise"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2022-06-02",
      "completion_date": "2024-02-21",
      "has_results": false,
      "last_update_posted_date": "2025-03-21",
      "last_synced_at": "2026-09-15T01:25:04.098Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06888596"
    },
    {
      "nct_id": "NCT03093441",
      "title": "A Comparison of High-intensity Interval Training Protocols on Health and Fitness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Multimodal High-Intensity Interval Training Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oakland University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 16,
      "start_date": "2017-07-17",
      "completion_date": "2018-08-23",
      "has_results": false,
      "last_update_posted_date": "2019-03-13",
      "last_synced_at": "2026-09-15T01:25:04.098Z",
      "location_count": 1,
      "location_summary": "Rochester, Michigan",
      "locations": [
        {
          "city": "Rochester",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03093441"
    },
    {
      "nct_id": "NCT06429813",
      "title": "Remotely Monitored Exercise Interventions in Patients With mCSPC Undergoing ADT (Prostate 006)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Castrate Sensitive Prostate Cancer",
        "Metastatic Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Home-Based Exercise Intervention - Walking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Home-Based Exercise Intervention - HIIT Cycling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Paul Viscuse",
      "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": 24,
      "start_date": "2024-07-26",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-09-15T01:25:04.098Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06429813"
    },
    {
      "nct_id": "NCT04416243",
      "title": "Feasibility of a High-intensity Interval Training Program in Persons With Multiple Sclerosis Who Have Walking Disability",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Recumbent Stepping, High-Intensity Interval Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Texas, Denton, TX",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2019-12-19",
      "completion_date": "2022-12-14",
      "has_results": false,
      "last_update_posted_date": "2023-04-19",
      "last_synced_at": "2026-09-15T01:25:04.098Z",
      "location_count": 1,
      "location_summary": "Denton, Texas",
      "locations": [
        {
          "city": "Denton",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04416243"
    }
  ]
}