{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+intensity+interval+training",
    "query": {
      "intervention": "High intensity interval training"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 210,
    "total_pages": 21,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=High+intensity+interval+training&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T16:15:06.027Z",
  "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": "NCT04550676",
      "title": "High-Intensity Exercise to Attenuate Limitations and Train Habits in Older Adults With HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hiv",
        "Fatigue",
        "Mobility Limitation"
      ],
      "interventions": [
        {
          "name": "HIIT (intervention)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "CME (active control)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Coaching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control text message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 118,
      "start_date": "2021-04-02",
      "completion_date": "2025-11-24",
      "has_results": true,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-09-03T16:15:06.027Z",
      "location_count": 3,
      "location_summary": "Aurora, Colorado • Seattle, Washington",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04550676"
    },
    {
      "nct_id": "NCT04950010",
      "title": "High-intensity Exercise After Treatment",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Breast Neoplasm Female"
      ],
      "interventions": [
        {
          "name": "High-Intensity Interval Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Moderate-Intensity Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "19 Years and older · Female only"
      },
      "enrollment_count": 7,
      "start_date": "2022-03-28",
      "completion_date": "2022-07-15",
      "has_results": false,
      "last_update_posted_date": "2024-09-05",
      "last_synced_at": "2026-09-03T16:15:06.027Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04950010"
    },
    {
      "nct_id": "NCT05043454",
      "title": "Improving Age-Related Cognitive Decline With Exercise in Hypertensive Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training (HIIT) Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "55 Years to 75 Years"
      },
      "enrollment_count": 11,
      "start_date": "2021-10-01",
      "completion_date": "2025-07-09",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-09-03T16:15:06.027Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05043454"
    },
    {
      "nct_id": "NCT07716462",
      "title": "Home-Based High-Intensity Interval Training in Systemic Lupus Erythematosus",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Systemic Lupus Erthematosus",
        "Fatigue",
        "Exercise Training"
      ],
      "interventions": [
        {
          "name": "Personalized Home-Based High-Intensity Interval Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "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": 20,
      "start_date": "2026-10-01",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-03T16:15:06.027Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07716462"
    },
    {
      "nct_id": "NCT06199661",
      "title": "High-Intensity Exercise in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Functional Fitness",
        "Cognitive Abilities"
      ],
      "interventions": [
        {
          "name": "APEX",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "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": 4,
      "start_date": "2023-03-06",
      "completion_date": "2023-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-01-10",
      "last_synced_at": "2026-09-03T16:15:06.027Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06199661"
    },
    {
      "nct_id": "NCT05338424",
      "title": "Exercise Target Brain Oscillations in Psychosis",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Psychosis",
        "Schizophrenia",
        "Schizoaffective Disorder"
      ],
      "interventions": [
        {
          "name": "Sprint Interval Training (SIT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-07-01",
      "completion_date": "2022-09-30",
      "has_results": false,
      "last_update_posted_date": "2022-10-10",
      "last_synced_at": "2026-09-03T16:15:06.027Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05338424"
    },
    {
      "nct_id": "NCT07182955",
      "title": "Determinants of Cardiorespiratory Fitness and Effects of HIIT in Patients With ANOCA Obstructive Coronary Artery Disease(ANOCA)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "MINOCA",
        "Shortness of Breath",
        "Atherosclerotic Heart Disease of Native Coronary Artery"
      ],
      "interventions": [
        {
          "name": "EXERCISE TRAINING WITH OR WITHOUT MEDICATION",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Virginia",
      "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": 25,
      "start_date": "2025-08-11",
      "completion_date": "2026-04-14",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-09-03T16:15:06.027Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07182955"
    },
    {
      "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": "2026-09-03T16:15:06.027Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02064361"
    },
    {
      "nct_id": "NCT06606743",
      "title": "Interval Training and Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Other Disorders of Autonomic Nervous System"
      ],
      "interventions": [
        {
          "name": "High-Intensity Interval Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "High-Velocity Circuit Resistance Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "30 Years to 90 Years"
      },
      "enrollment_count": 39,
      "start_date": "2024-09-20",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-08-15",
      "last_synced_at": "2026-09-03T16:15:06.027Z",
      "location_count": 2,
      "location_summary": "Coral Gables, Florida",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06606743"
    },
    {
      "nct_id": "NCT02923063",
      "title": "Exercise Study Testing Enhanced Energetics of Mitochondria Video Integrated Delivery of Activity Training in CKD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Moderate-severe Chronic Kidney Disease Not Treated With Dialysis",
        "Diabetic Kidney Disease, HgbA1c Less Than 8.5"
      ],
      "interventions": [
        {
          "name": "Combined Aerobic and Resistance Exercise via videoconferencing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 32,
      "start_date": "2020-01-16",
      "completion_date": "2025-09-11",
      "has_results": false,
      "last_update_posted_date": "2026-02-10",
      "last_synced_at": "2026-09-03T16:15:06.027Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02923063"
    }
  ]
}