{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Perceived+Exertion",
    "query": {
      "condition": "Perceived Exertion"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Perceived+Exertion&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-17T12:27:01.242Z",
  "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": "NCT00785005",
      "title": "What Makes Exercise Feel More Difficult to Women With and Without Type 2 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 70 Years · Female only"
      },
      "enrollment_count": 99,
      "start_date": "2008-05",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2022-10-14",
      "last_synced_at": "2026-06-17T12:27:01.242Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00785005"
    },
    {
      "nct_id": "NCT04249986",
      "title": "Backpack Weight Impacts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exertion; Excess"
      ],
      "interventions": [
        {
          "name": "The Borg Rating of Perceived Exertion",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 20,
      "start_date": "2020-02-21",
      "completion_date": "2024-07-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-05",
      "last_synced_at": "2026-06-17T12:27:01.242Z",
      "location_count": 1,
      "location_summary": "Fresno, California",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04249986"
    },
    {
      "nct_id": "NCT04863469",
      "title": "Brain-Physical Optimization Conditioning",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Performance"
      ],
      "interventions": [
        {
          "name": "B-POC high load intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "B-POC low load intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Walter Reed Army Institute of Research (WRAIR)",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 66,
      "start_date": "2020-10-20",
      "completion_date": "2025-10-20",
      "has_results": false,
      "last_update_posted_date": "2022-03-31",
      "last_synced_at": "2026-06-17T12:27:01.242Z",
      "location_count": 1,
      "location_summary": "Tacoma, Washington",
      "locations": [
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04863469"
    },
    {
      "nct_id": "NCT07225608",
      "title": "The Acute Effects of Liquid IV's Pre-Workout Supplement on Muscle Endurance & Strength, Energy, and Cognition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Performance",
        "Exercise Performance",
        "Endurance Exercise",
        "Perceived Exertion",
        "Mood",
        "Energy"
      ],
      "interventions": [
        {
          "name": "proprietary pre-workout supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Applied Science & Performance Institute",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 27,
      "start_date": "2025-12-01",
      "completion_date": "2026-02-09",
      "has_results": false,
      "last_update_posted_date": "2026-03-06",
      "last_synced_at": "2026-06-17T12:27:01.242Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07225608"
    },
    {
      "nct_id": "NCT06697756",
      "title": "Resistance Training for the Improvement of Glycemic Control in Prediabetes",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prediabetes (Insulin Resistance, Impaired Glucose Tolerance)"
      ],
      "interventions": [
        {
          "name": "High-effort resistance exercise training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low-effort resistance exercise training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 48,
      "start_date": "2024-11-19",
      "completion_date": "2028-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-06-17T12:27:01.242Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06697756"
    },
    {
      "nct_id": "NCT02272725",
      "title": "Non-steroidal Anti-inflammatory Affect on Kidneys in Endurance Distances",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Kidney Injury",
        "Exercise-associated Hyponatremia",
        "Perceived Exertion"
      ],
      "interventions": [
        {
          "name": "Ibuprofen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 91,
      "start_date": "2015-03",
      "completion_date": "2017-01",
      "has_results": true,
      "last_update_posted_date": "2018-12-12",
      "last_synced_at": "2026-06-17T12:27:01.242Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02272725"
    },
    {
      "nct_id": "NCT06208189",
      "title": "Is the Degree of Perceived Effort During Resistance Exercise Important for Improvements in Blood Glucose",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes",
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "High-effort session",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low-effort session",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 15,
      "start_date": "2024-06-12",
      "completion_date": "2026-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-06-17T12:27:01.242Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06208189"
    },
    {
      "nct_id": "NCT04941456",
      "title": "Does Endurance Improve With the Use of Passy-Muir Valve for Patients With Tracheostomy?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PMV",
        "Exercise Endurance",
        "Tracheostomy"
      ],
      "interventions": [
        {
          "name": "Open Tracheostomy",
          "type": "OTHER"
        },
        {
          "name": "PMV in place",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Gaylord Hospital, Inc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2021-07-29",
      "completion_date": "2024-06-24",
      "has_results": true,
      "last_update_posted_date": "2025-12-11",
      "last_synced_at": "2026-06-17T12:27:01.242Z",
      "location_count": 1,
      "location_summary": "Wallingford, Connecticut",
      "locations": [
        {
          "city": "Wallingford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04941456"
    },
    {
      "nct_id": "NCT01841216",
      "title": "EMG Activation of Gluteal Musculature During Exercises With and Without Resistance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Lower Body Exercises with and without resistance",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sport and Spine Rehab Clinical Research Foundation",
      "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": 30,
      "start_date": "2013-04",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-02-03",
      "last_synced_at": "2026-06-17T12:27:01.242Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01841216"
    },
    {
      "nct_id": "NCT05425563",
      "title": "Effects of Expectations on Negative Affect, Perceived Cognitive Effort, and Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Placebo",
        "Expectations"
      ],
      "interventions": [
        {
          "name": "Pain Expectancy Cues",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vicarious Pain Expectancy Cues",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive Effort Expectancy Cues",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Trustees of Dartmouth College",
      "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": 133,
      "start_date": "2020-11-23",
      "completion_date": "2023-01-19",
      "has_results": true,
      "last_update_posted_date": "2023-11-30",
      "last_synced_at": "2026-06-17T12:27:01.242Z",
      "location_count": 1,
      "location_summary": "Hanover, New Hampshire",
      "locations": [
        {
          "city": "Hanover",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05425563"
    }
  ]
}