{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=High+Intensity+Interval+Training&page=2",
    "query": {
      "condition": "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?condition=High+Intensity+Interval+Training&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T17:33:56.592Z",
  "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": "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": "2026-06-26T17:33:56.592Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04656509"
    },
    {
      "nct_id": "NCT03750006",
      "title": "Enhancing Functional Capacity in Older Adults With Short Session High Intensity Interval Training",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Frailty"
      ],
      "interventions": [
        {
          "name": "Short session HIIT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 42,
      "start_date": "2018-12-03",
      "completion_date": "2022-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-08-30",
      "last_synced_at": "2026-06-26T17:33:56.592Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03750006"
    },
    {
      "nct_id": "NCT04733287",
      "title": "Heat Therapy and Muscle Function Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise Intolerance",
        "Aging",
        "Heat Therapy",
        "High Intensity Interval Training"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training of the Knee Extensors",
          "type": "OTHER"
        },
        {
          "name": "Muscle Heat Therapy",
          "type": "OTHER"
        },
        {
          "name": "Muscle Disuse",
          "type": "OTHER"
        },
        {
          "name": "Sham Heat Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham Young University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 148,
      "start_date": "2021-04-01",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-06-26T17:33:56.592Z",
      "location_count": 1,
      "location_summary": "Provo, Utah",
      "locations": [
        {
          "city": "Provo",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04733287"
    },
    {
      "nct_id": "NCT04080414",
      "title": "Home-based HIIT to Improve CRC Survivorship: Feasibility and Relationship With Novel Surrogate Biomarkers of CRC Recurrence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer",
        "Colorectal Neoplasms",
        "Colorectal Carcinoma",
        "Colonic Neoplasms",
        "Colonic Cancer",
        "Rectal Neoplasms",
        "Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "Home-based high-intensity interval training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Home-based moderate-intensity continuous exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "19 Years to 75 Years"
      },
      "enrollment_count": 7,
      "start_date": "2019-08-02",
      "completion_date": "2021-02-12",
      "has_results": false,
      "last_update_posted_date": "2023-03-22",
      "last_synced_at": "2026-06-26T17:33:56.592Z",
      "location_count": 2,
      "location_summary": "Murray, Utah • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04080414"
    },
    {
      "nct_id": "NCT03568214",
      "title": "Personalized Moderate Intensity Exercise Training Combined With High Intensity Interval",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise",
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Western Colorado University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 45,
      "start_date": "2018-01-01",
      "completion_date": "2019-03-31",
      "has_results": false,
      "last_update_posted_date": "2018-06-26",
      "last_synced_at": "2026-06-26T17:33:56.592Z",
      "location_count": 1,
      "location_summary": "Gunnison, Colorado",
      "locations": [
        {
          "city": "Gunnison",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03568214"
    },
    {
      "nct_id": "NCT07281313",
      "title": "Aphasia Physical EXercise Study: Randomized Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aphasia, Acquired",
        "Aphasia",
        "Aphasia, Fluent",
        "Aphasia, Non-fluent",
        "Aphasia Following Cerebral Infarction",
        "Aphasia Following Nontraumatic Intracerebral Hemorrhage"
      ],
      "interventions": [
        {
          "name": "High-intensity physical exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low-intensity physical exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 120,
      "start_date": "2025-12-01",
      "completion_date": "2030-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-06-26T17:33:56.592Z",
      "location_count": 4,
      "location_summary": "Berkeley, California • Hayward, California • San Francisco, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Hayward",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07281313"
    },
    {
      "nct_id": "NCT05913713",
      "title": "HIIT Following Breast Cancer Chemotherapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "12-week Intervention Period",
          "type": "BEHAVIORAL"
        },
        {
          "name": "12-week Observation Period",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 85 Years · Female only"
      },
      "enrollment_count": 158,
      "start_date": "2024-03-07",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-06-26T17:33:56.592Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05913713"
    },
    {
      "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": "2026-06-26T17:33:56.592Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05156372"
    },
    {
      "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": "2026-06-26T17:33:56.592Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02454777"
    },
    {
      "nct_id": "NCT05560880",
      "title": "High Intensity Interval Gait Training in Multiple Sclerosis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Gait training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Moderate Intensity Interval gait training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Hunter College of City University of New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2022-09-01",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-10-06",
      "last_synced_at": "2026-06-26T17:33:56.592Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05560880"
    }
  ]
}