{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Knee+Pain&page=2",
    "query": {
      "condition": "Knee Pain",
      "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=Knee+Pain&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T07:50:33.503Z",
  "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": "NCT02512393",
      "title": "Transcranial Direct Current Stimulation in Older Persons With Knee Pain (Knee Pain and tDCS): Randomized Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Active tDCS",
          "type": "DEVICE"
        },
        {
          "name": "Sham tDCS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "45 Years to 85 Years"
      },
      "enrollment_count": 40,
      "start_date": "2015-11",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2017-07-11",
      "last_synced_at": "2026-05-22T07:50:33.503Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02512393"
    },
    {
      "nct_id": "NCT06167304",
      "title": "Physical Therapy vs Remote Exercise for Knee Pain Due to Osteoarthritis (OA)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Technology-implemented exercise therapy",
          "type": "OTHER"
        },
        {
          "name": "Traditional Physical Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2024-01-29",
      "completion_date": "2025-02-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-05-22T07:50:33.503Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06167304"
    },
    {
      "nct_id": "NCT04638387",
      "title": "PB125, Osteoarthritis, Pain, Mobility, and Energetics",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Muscle Weakness",
        "Pain, Joint"
      ],
      "interventions": [
        {
          "name": "PB125",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Colorado State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "50 Years to 65 Years"
      },
      "enrollment_count": 4,
      "start_date": "2020-11-03",
      "completion_date": "2021-09-01",
      "has_results": false,
      "last_update_posted_date": "2022-09-14",
      "last_synced_at": "2026-05-22T07:50:33.503Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04638387"
    },
    {
      "nct_id": "NCT04044716",
      "title": "Nurse Initiated Acupressure for Pain Management",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Pain, Acute"
      ],
      "interventions": [
        {
          "name": "Auricular acupressure",
          "type": "DEVICE"
        },
        {
          "name": "Standard of care pain management",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": 65,
      "start_date": "2019-12-31",
      "completion_date": "2021-10-04",
      "has_results": true,
      "last_update_posted_date": "2022-12-07",
      "last_synced_at": "2026-05-22T07:50:33.503Z",
      "location_count": 1,
      "location_summary": "Bermuda Run, North Carolina",
      "locations": [
        {
          "city": "Bermuda Run",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04044716"
    },
    {
      "nct_id": "NCT04615377",
      "title": "The Kaia Hip and Knee Pain Intervention for Self-management of the Pain in Patients With Osteoarthritis.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Hip Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Kaia hip and knee pain application",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as usual",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Kaia Health Software",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "22 Years to 75 Years"
      },
      "enrollment_count": 192,
      "start_date": "2021-01-07",
      "completion_date": "2021-09-30",
      "has_results": false,
      "last_update_posted_date": "2022-08-16",
      "last_synced_at": "2026-05-22T07:50:33.503Z",
      "location_count": 1,
      "location_summary": "Stamford, Connecticut",
      "locations": [
        {
          "city": "Stamford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04615377"
    },
    {
      "nct_id": "NCT01447329",
      "title": "Ear Acupuncture for Pain Associated With Ambulatory Arthroscopic Knee Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Ear Acupuncture",
          "type": "OTHER"
        },
        {
          "name": "Standard Treatment",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Mike O'Callaghan Military Hospital",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2011-12",
      "completion_date": "2014-01",
      "has_results": true,
      "last_update_posted_date": "2024-01-19",
      "last_synced_at": "2026-05-22T07:50:33.503Z",
      "location_count": 1,
      "location_summary": "Nellis Air Force Base, Nevada",
      "locations": [
        {
          "city": "Nellis Air Force Base",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01447329"
    },
    {
      "nct_id": "NCT07266922",
      "title": "A Self-Directed Web-Based Education for Boston Marathon Runners With Patellofemoral Pain",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patellofemoral Pain"
      ],
      "interventions": [
        {
          "name": "Education Platform-MyKneeCap.com",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 104,
      "start_date": "2026-02-20",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-05-22T07:50:33.503Z",
      "location_count": 1,
      "location_summary": "Waltham, Massachusetts",
      "locations": [
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07266922"
    },
    {
      "nct_id": "NCT04243096",
      "title": "Wearable Sensors in Knee OA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Exercise-based Physical Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston University Charles River Campus",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2020-01-21",
      "completion_date": "2022-11-04",
      "has_results": true,
      "last_update_posted_date": "2024-09-26",
      "last_synced_at": "2026-05-22T07:50:33.503Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04243096"
    },
    {
      "nct_id": "NCT00752765",
      "title": "The Effects of Bariatric Surgery Weight Loss on Knee Pain in Patients With Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Pain",
        "Knee Osteoarthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 30,
      "start_date": "2008-09",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2015-06-03",
      "last_synced_at": "2026-05-22T07:50:33.503Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00752765"
    },
    {
      "nct_id": "NCT04238598",
      "title": "Intra-articular Pulsed Radiofrequency Neuromodulation Versus Intra-articular Steroids for Painful Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Pulse Radiofrequency",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard of Care Intra- Articular Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo Intra-Articular Injection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Center For Interventional Pain and Spine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2019-10-08",
      "completion_date": "2021-09-01",
      "has_results": false,
      "last_update_posted_date": "2023-03-30",
      "last_synced_at": "2026-05-22T07:50:33.503Z",
      "location_count": 1,
      "location_summary": "Exton, Pennsylvania",
      "locations": [
        {
          "city": "Exton",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04238598"
    }
  ]
}