{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Functional+Knee+Pain&page=4",
    "query": {
      "condition": "Functional Knee Pain",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 76,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Functional+Knee+Pain&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Functional+Knee+Pain&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T14:14:34.363Z",
  "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": "NCT03116230",
      "title": "Gait Modification Treatments for Knee Pathology",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Injuries",
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Cutaneous Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Knee Sleeve",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stanford 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": 38,
      "start_date": "2018-01-15",
      "completion_date": "2019-01-22",
      "has_results": true,
      "last_update_posted_date": "2021-08-17",
      "last_synced_at": "2026-10-21T14:14:34.363Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03116230"
    },
    {
      "nct_id": "NCT07191067",
      "title": "Pivotal Study on the NOVABLOC System for Patients Undergoing Primary Total Knee Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Percutaneous radiofrequency electrical nerve stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Non-therapeutic stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Synaptrix, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2025-09-30",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-21T14:14:34.363Z",
      "location_count": 5,
      "location_summary": "Daphne, Alabama • Williamsville, New York • Chapel Hill, North Carolina + 2 more",
      "locations": [
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Williamsville",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Medford",
          "state": "Oregon"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07191067"
    },
    {
      "nct_id": "NCT02620462",
      "title": "Wearable Sensor-based Balance Training for Patients With Knee Osteoarthritis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Wearable sensor-based exercise training",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 24,
      "start_date": "2015-02",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2016-05-17",
      "last_synced_at": "2026-10-21T14:14:34.363Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02620462"
    },
    {
      "nct_id": "NCT01511939",
      "title": "Trial to See if Topical Pennsaid for Knee Pain Affects Coagulation Values in Patients Who Are Also Taking Anticoagulants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis of the Knee",
        "Coagulopathy"
      ],
      "interventions": [
        {
          "name": "Pennsaid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nathan Wei, MD, FACP, FACR:",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2012-02",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2014-06-26",
      "last_synced_at": "2026-10-21T14:14:34.363Z",
      "location_count": 1,
      "location_summary": "Frederick, Maryland",
      "locations": [
        {
          "city": "Frederick",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01511939"
    },
    {
      "nct_id": "NCT02453321",
      "title": "Continuous Adductor Canal Blocks Vs. Low Dose Femoral Nerve Blocks For Early Rehabilitation After Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Total Knee Arthroplasty (TKA)"
      ],
      "interventions": [
        {
          "name": "Continuous Femoral Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Nerve Block, Continuous Adductor Canal",
          "type": "PROCEDURE"
        },
        {
          "name": "Continuous Sciatic Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Kevin King, DO",
      "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": 62,
      "start_date": "2015-06",
      "completion_date": "2016-08-31",
      "has_results": true,
      "last_update_posted_date": "2018-03-27",
      "last_synced_at": "2026-10-21T14:14:34.363Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02453321"
    },
    {
      "nct_id": "NCT01328340",
      "title": "High-speed Power Training in Older Adults With Knee Osteoarthritis (OA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "High-speed power training",
          "type": "OTHER"
        },
        {
          "name": "Slow-speed strength training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2005-06",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2016-10-04",
      "last_synced_at": "2026-10-21T14:14:34.363Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01328340"
    },
    {
      "nct_id": "NCT01379118",
      "title": "Comparison of Clinical Outcomes and Performance of Total Knee Replacement Patients Before and After Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Degenerative Joint Disease",
        "Osteoarthritis",
        "Knee Injury, Trauma",
        "Connective Tissue Disorder",
        "Pain",
        "Loss of Function"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "2012-07",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-09-15",
      "last_synced_at": "2026-10-21T14:14:34.363Z",
      "location_count": 1,
      "location_summary": "San Bernardino, California",
      "locations": [
        {
          "city": "San Bernardino",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01379118"
    },
    {
      "nct_id": "NCT00051857",
      "title": "MRI Study of Musculoskeletal Function",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Abnormalities",
        "Imaging",
        "Patellofemoral Pain Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "5 Years to 95 Years"
      },
      "enrollment_count": 750,
      "start_date": "2003-03-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-21T14:14:34.363Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00051857"
    },
    {
      "nct_id": "NCT02157701",
      "title": "Polyherbal Capsule Formulation for Joint Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Knee Discomfort",
        "Pain Physical Activity"
      ],
      "interventions": [
        {
          "name": "Polyherbal capsule",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo capsule",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "NewChapter, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 108,
      "start_date": "2014-06",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2015-10-14",
      "last_synced_at": "2026-10-21T14:14:34.363Z",
      "location_count": 5,
      "location_summary": "Homestead, Florida • Duncansville, Pennsylvania • Dallas, Texas + 2 more",
      "locations": [
        {
          "city": "Homestead",
          "state": "Florida"
        },
        {
          "city": "Duncansville",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "San Angelo",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02157701"
    },
    {
      "nct_id": "NCT04814082",
      "title": "Prospective Functional, Gait, and Outcome Comparison Study of Medial Pivot Versus Single Radius Design for Total Knee Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Knee Osteoarthritis",
        "Osteoarthritis Knees Both",
        "Osteoarthritis Knee Left",
        "Osteoarthritis Knee Right",
        "Knee Pain Chronic",
        "Knee Disease",
        "Arthropathy of Knee Joint"
      ],
      "interventions": [
        {
          "name": "MicroPort Evolution Medial-Pivot Knee System (Cruciate-substituting)",
          "type": "DEVICE"
        },
        {
          "name": "Stryker Triathlon Tritanium Knee System (Condylar Stabilizing)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "LifeBridge Health",
      "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": 100,
      "start_date": "2021-02-01",
      "completion_date": "2030-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-01-22",
      "last_synced_at": "2026-10-21T14:14:34.363Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04814082"
    }
  ]
}