{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Quadriceps+Muscle+Strength&page=2",
    "query": {
      "condition": "Quadriceps Muscle Strength",
      "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=Quadriceps+Muscle+Strength&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T23:01:12.974Z",
  "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": "NCT01538407",
      "title": "Strengthening Exercise and Quadriceps Force During Walking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Strength Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Frederiksberg University Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 30,
      "start_date": "2012-03",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2014-01-22",
      "last_synced_at": "2026-07-22T23:01:12.974Z",
      "location_count": 1,
      "location_summary": "Greenville, North Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01538407"
    },
    {
      "nct_id": "NCT06858293",
      "title": "Mental Imagery to Improve Quadriceps Strength Post Anterior Cruciate Ligament Reconstruction: a Feasibility Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anterior Cruciate Ligament Reconstruction"
      ],
      "interventions": [
        {
          "name": "Mental Imagery Open Chain",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mental Imagery Closed Chain",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Marquette University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2025-02-14",
      "completion_date": "2026-01-28",
      "has_results": false,
      "last_update_posted_date": "2025-03-10",
      "last_synced_at": "2026-07-22T23:01:12.974Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06858293"
    },
    {
      "nct_id": "NCT02332187",
      "title": "Effect of All-Stim 2 Quadriceps Treatments on Limb Muscle Strength In Mechanically Ventilated Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weakness"
      ],
      "interventions": [
        {
          "name": "Active electrical stimulation using an All Stim stimulator",
          "type": "DEVICE"
        },
        {
          "name": "Sham electrical stimulation using an All Stim stimulator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Gerald Supinski",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2013-01-03",
      "completion_date": "2017-05-05",
      "has_results": true,
      "last_update_posted_date": "2022-03-02",
      "last_synced_at": "2026-07-22T23:01:12.974Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02332187"
    },
    {
      "nct_id": "NCT03132987",
      "title": "Characterizing Clinical and Biomechanical Contributions to Function Following ACL Reconstruction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ACL Tears"
      ],
      "interventions": [
        {
          "name": "Progressive strengthening program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Creighton University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "14 Years to 35 Years"
      },
      "enrollment_count": 39,
      "start_date": "2017-01",
      "completion_date": "2017-07-31",
      "has_results": false,
      "last_update_posted_date": "2017-08-17",
      "last_synced_at": "2026-07-22T23:01:12.974Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03132987"
    },
    {
      "nct_id": "NCT01777009",
      "title": "The Effect of Patellar Eversion on Functional Outcomes in Primary Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Replacement",
        "Arthroplasty",
        "Patella"
      ],
      "interventions": [
        {
          "name": "Primary Total Knee Replacement Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2009-03",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2013-01-28",
      "last_synced_at": "2026-07-22T23:01:12.974Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01777009"
    },
    {
      "nct_id": "NCT07657195",
      "title": "Dry Needling and Quad Strength After Anterior Cruciate Ligament Reconstruction",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anterior Cruciate Ligament Reconstruction Rehabilitation",
        "Dry Needling",
        "Strength"
      ],
      "interventions": [
        {
          "name": "Dry Needling",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "10 Years to 20 Years"
      },
      "enrollment_count": 40,
      "start_date": "2026-08-14",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-07-22T23:01:12.974Z",
      "location_count": 3,
      "location_summary": "Kansas City, Kansas • Overland Park, Kansas • Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07657195"
    },
    {
      "nct_id": "NCT00629070",
      "title": "Quadriceps Muscle Plasticity in Children With Cerebral Palsy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cerebral Palsy"
      ],
      "interventions": [
        {
          "name": "Traditional strength training",
          "type": "OTHER"
        },
        {
          "name": "Velocity-enhanced training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 16,
      "start_date": "2009-01",
      "completion_date": "2010-12-13",
      "has_results": false,
      "last_update_posted_date": "2018-05-17",
      "last_synced_at": "2026-07-22T23:01:12.974Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00629070"
    },
    {
      "nct_id": "NCT03762603",
      "title": "Does Supplementing of Quadriceps Strength With Exoskeleton After Total Knee Arthroplasty in High Risk Population Reduce Transfer to Extended Care Facility (ECF)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Knee Replacement Surgery"
      ],
      "interventions": [
        {
          "name": "Robotic exoskeleton device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 0,
      "start_date": "2025-09",
      "completion_date": "2027-12-20",
      "has_results": false,
      "last_update_posted_date": "2025-04-11",
      "last_synced_at": "2026-07-22T23:01:12.974Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03762603"
    },
    {
      "nct_id": "NCT06999057",
      "title": "Quadriceps Motor Unit Adaptation to Simulated Knee Injury",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Muscle Inhibition",
        "Knee Injury Simulation"
      ],
      "interventions": [
        {
          "name": "Joint Effusion via 60 mL Sterile Saline",
          "type": "DEVICE"
        },
        {
          "name": "Intra-articular Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Sham injection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Central Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 45,
      "start_date": "2026-08-01",
      "completion_date": "2027-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-07-22T23:01:12.974Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06999057"
    },
    {
      "nct_id": "NCT02247895",
      "title": "Treatment of Muscle Weakness in Critically Ill Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Critical Illness",
        "Respiratory Failure",
        "Myopathy",
        "Weakness"
      ],
      "interventions": [
        {
          "name": "Sham Treatment",
          "type": "DEVICE"
        },
        {
          "name": "Electrical stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Gerald Supinski",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2016-12",
      "completion_date": "2018-02",
      "has_results": false,
      "last_update_posted_date": "2020-06-22",
      "last_synced_at": "2026-07-22T23:01:12.974Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02247895"
    }
  ]
}