{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Leg+Extension+Exercise&page=4",
    "query": {
      "intervention": "Leg Extension Exercise",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 113,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Leg+Extension+Exercise&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Leg+Extension+Exercise&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T20:50:43.173Z",
  "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": "NCT03870165",
      "title": "Food First Approach to Stimulate Muscle Protein Synthesis in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertrophy"
      ],
      "interventions": [
        {
          "name": "Resistance exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Salmon",
          "type": "OTHER"
        },
        {
          "name": "Isolated amino acids and fatty acids",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "20 Years to 35 Years"
      },
      "enrollment_count": 10,
      "start_date": "2019-03-01",
      "completion_date": "2019-11-22",
      "has_results": false,
      "last_update_posted_date": "2020-09-28",
      "last_synced_at": "2026-10-19T20:50:43.173Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03870165"
    },
    {
      "nct_id": "NCT04162262",
      "title": "Effects of Exercise Versus Exercise and Instrument-Assisted Soft Tissue Mobilization for Plantar Fasciopathy Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Plantar Fascitis"
      ],
      "interventions": [
        {
          "name": "Instrumental-assisted soft tissue mobilization (IASTM)",
          "type": "OTHER"
        },
        {
          "name": "High-Load Strength Training",
          "type": "OTHER"
        },
        {
          "name": "Plantar Flexor and Gastrocnemius Stretching",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Texas Tech University Health Sciences Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 83,
      "start_date": "2019-10-24",
      "completion_date": "2021-01-15",
      "has_results": false,
      "last_update_posted_date": "2021-02-05",
      "last_synced_at": "2026-10-19T20:50:43.173Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04162262"
    },
    {
      "nct_id": "NCT01250262",
      "title": "Resistance Exercise Effects on Fear Avoidance and Physical Function in Obese Older Adults With Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Back Pain",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "normal medical care and follow up",
          "type": "OTHER"
        },
        {
          "name": "Isolated Lumbar Resistance Exercise Program",
          "type": "OTHER"
        },
        {
          "name": "Total Body Resistance Exercise Program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 72,
      "start_date": "2010-11",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2014-02-14",
      "last_synced_at": "2026-10-19T20:50:43.173Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01250262"
    },
    {
      "nct_id": "NCT03825913",
      "title": "3-month Aerobic and Resistance Exercise Intervention for Individuals Diagnosed With Melanoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wellness Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2019-11-06",
      "completion_date": "2020-02-21",
      "has_results": false,
      "last_update_posted_date": "2020-08-28",
      "last_synced_at": "2026-10-19T20:50:43.173Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03825913"
    },
    {
      "nct_id": "NCT01826071",
      "title": "Comparison of Three Treatments for Lower Extremity Apophysitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osgood-Schlatter Syndrome (OSS)",
        "Sinding-Larson and Johansson Syndrome (SLJ)",
        "Sever's Disease",
        "Apophysitis"
      ],
      "interventions": [
        {
          "name": "Static Stretch",
          "type": "OTHER"
        },
        {
          "name": "Active Elongation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 129,
      "start_date": "2012-10",
      "completion_date": "2023-10",
      "has_results": false,
      "last_update_posted_date": "2025-02-10",
      "last_synced_at": "2026-10-19T20:50:43.173Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01826071"
    },
    {
      "nct_id": "NCT05616234",
      "title": "Exercise-induced Changes in Exosomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exosomes",
        "Connective Tissue",
        "Exercise"
      ],
      "interventions": [
        {
          "name": "Resistance Exercise",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 12,
      "start_date": "2022-11-07",
      "completion_date": "2023-02-17",
      "has_results": false,
      "last_update_posted_date": "2023-06-15",
      "last_synced_at": "2026-10-19T20:50:43.173Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05616234"
    },
    {
      "nct_id": "NCT01521728",
      "title": "Trial of Resistance and Endurance Exercise in Amyotrophic Lateral Sclerosis (ALS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amyotrophic Lateral Sclerosis"
      ],
      "interventions": [
        {
          "name": "Resistance Exercise",
          "type": "OTHER"
        },
        {
          "name": "Endurance Exercise",
          "type": "OTHER"
        },
        {
          "name": "Stretching/Range-of-Motion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "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": 60,
      "start_date": "2012-01",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2016-04-19",
      "last_synced_at": "2026-10-19T20:50:43.173Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Baltimore, Maryland • Charlestown, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01521728"
    },
    {
      "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": "2026-10-19T20:50:43.173Z",
      "location_count": 1,
      "location_summary": "Provo, Utah",
      "locations": [
        {
          "city": "Provo",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04733287"
    },
    {
      "nct_id": "NCT01086670",
      "title": "Physical, Functional and Neural Effects of Two Lower Extremity Exercise Protocols in Children With Cerebral Palsy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cerebral Palsy",
        "Children",
        "Adolescents"
      ],
      "interventions": [
        {
          "name": "Physical Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 55,
      "start_date": "2010-03-30",
      "completion_date": "2016-05-09",
      "has_results": false,
      "last_update_posted_date": "2022-03-29",
      "last_synced_at": "2026-10-19T20:50:43.173Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01086670"
    },
    {
      "nct_id": "NCT05985382",
      "title": "Comparing the Effects of Upper and Lower Body Resistance Training on Pain Sensitivity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Lower Body Resistance Exercise",
          "type": "OTHER"
        },
        {
          "name": "Upper Body Resistance Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Central Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 30,
      "start_date": "2023-08-29",
      "completion_date": "2023-10-16",
      "has_results": true,
      "last_update_posted_date": "2025-03-04",
      "last_synced_at": "2026-10-19T20:50:43.173Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05985382"
    }
  ]
}