{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart+rate-based+Exercise+Intensity",
    "query": {
      "intervention": "Heart rate-based Exercise Intensity"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 157,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Heart+rate-based+Exercise+Intensity&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T08:42:58.357Z",
  "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": "NCT06263179",
      "title": "Feasibility of Aerobic Exercise for Recovery From Work-related Concussion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Concussion, Brain"
      ],
      "interventions": [
        {
          "name": "Target Heartrate Aerobic Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "State University of New York at Buffalo",
      "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": 11,
      "start_date": "2024-07-01",
      "completion_date": "2025-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-12",
      "last_synced_at": "2026-09-06T08:42:58.357Z",
      "location_count": 1,
      "location_summary": "Williamsville, New York",
      "locations": [
        {
          "city": "Williamsville",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06263179"
    },
    {
      "nct_id": "NCT07180446",
      "title": "Can Gut Bacteria Predict Who Benefits Most From Exercise? A Gut Supplement to Help Exercise Non-Responders",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity &Amp; Overweight"
      ],
      "interventions": [
        {
          "name": "Cardiovascular Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Butyrate",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Texas Christian University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2026-01-18",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-09-06T08:42:58.357Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07180446"
    },
    {
      "nct_id": "NCT06561100",
      "title": "Treatment Optimization of Brain-injured Warfighters",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Sub-symptomatic Adaptable Exercise Treatment (SAET)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stretching Control Group (SCG)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "United States Naval Medical Center, San Diego",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 140,
      "start_date": "2023-09-27",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2024-08-19",
      "last_synced_at": "2026-09-06T08:42:58.357Z",
      "location_count": 1,
      "location_summary": "Camp Pendleton, California",
      "locations": [
        {
          "city": "Camp Pendleton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06561100"
    },
    {
      "nct_id": "NCT06574165",
      "title": "Relationships of Affect and Neuroinflammation With Clinical Pain in Veterans With Fibromyalgia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fibromyalgia"
      ],
      "interventions": [
        {
          "name": "Moderate Intensity Continuous Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "19 Years to 85 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-11-01",
      "completion_date": "2026-10-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-28",
      "last_synced_at": "2026-09-06T08:42:58.357Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06574165"
    },
    {
      "nct_id": "NCT04820153",
      "title": "Monitoring Physical Activity in Hispanic Women With Chronic Neurological Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neurological Disorder"
      ],
      "interventions": [
        {
          "name": "Physical Activity Monitoring Device",
          "type": "DEVICE"
        },
        {
          "name": "Lifestyle Redesign Coaching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "30 Years and older · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2019-03-26",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2021-04-01",
      "last_synced_at": "2026-09-06T08:42:58.357Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04820153"
    },
    {
      "nct_id": "NCT02151266",
      "title": "Exercise and Cognitive Retraining to Improve Cognition in Heart Failure.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Exercise and Cognitive retraining",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exercise Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stretching and Flexibility",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 69,
      "start_date": "2013-07",
      "completion_date": "2017-12-30",
      "has_results": true,
      "last_update_posted_date": "2021-01-25",
      "last_synced_at": "2026-09-06T08:42:58.357Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02151266"
    },
    {
      "nct_id": "NCT02263339",
      "title": "Exercise & Brain Health in MS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Aerobic Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stretching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Aerobic Exercise- Healthy Subjects",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Health and Science University",
      "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": 24,
      "start_date": "2014-09",
      "completion_date": "2016-05-25",
      "has_results": false,
      "last_update_posted_date": "2019-06-19",
      "last_synced_at": "2026-09-06T08:42:58.357Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02263339"
    },
    {
      "nct_id": "NCT06570642",
      "title": "eMOTION: Examining Affective Mechanisms in Physical Activity Engagement",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Inactivity",
        "Overweight or Obesity",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Physical Activity Goals mHealth Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "TYPE/CONTEXT enhancement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SAVOR enhancement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 280,
      "start_date": "2024-08-14",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-27",
      "last_synced_at": "2026-09-06T08:42:58.357Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06570642"
    },
    {
      "nct_id": "NCT02494869",
      "title": "Dose-Response of Aerobic Training in Women at High-Risk for Development of Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "High Risk for Developing Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Nonlinear Aerobic Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Height, Weight, BMI measure",
          "type": "OTHER"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Cardiopulmonary exercise test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 75,
      "start_date": "2015-07",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-08-05",
      "last_synced_at": "2026-09-06T08:42:58.357Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02494869"
    },
    {
      "nct_id": "NCT06387758",
      "title": "Low Systemic/High Local Exercise Load in Peds SCD",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Anemia in Children"
      ],
      "interventions": [
        {
          "name": "Low systemic strength training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Moderate systemic exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Mississippi Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 60,
      "start_date": "2023-09-19",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-04-29",
      "last_synced_at": "2026-09-06T08:42:58.357Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06387758"
    }
  ]
}