{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arthroplasties%2C+Knee+Replacement&page=31",
    "query": {
      "condition": "Arthroplasties, Knee Replacement",
      "page": 31
    },
    "page_size": 10
  },
  "pagination": {
    "page": 31,
    "page_size": 10,
    "total_count": 845,
    "total_pages": 85,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arthroplasties%2C+Knee+Replacement&page=32&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arthroplasties%2C+Knee+Replacement&page=30&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T16:26:44.121Z",
  "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": "NCT04247646",
      "title": "SLeep and OPioid UsE in Patients Undergoing Total Knee Arthroplasty",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use",
        "Pain, Postoperative",
        "Sleep",
        "Delirium"
      ],
      "interventions": [
        {
          "name": "Melatonin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Scripps 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": "2020-10-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-24",
      "last_synced_at": "2026-10-16T16:26:44.121Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04247646"
    },
    {
      "nct_id": "NCT06099223",
      "title": "Preoperative Acupuncture for Total Knee or Hip Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Arthropathy",
        "Hip Arthropathy",
        "Anxiety"
      ],
      "interventions": [
        {
          "name": "Acupuncture needles",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Hartford Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 60,
      "start_date": "2022-03-21",
      "completion_date": "2023-05-03",
      "has_results": true,
      "last_update_posted_date": "2025-03-26",
      "last_synced_at": "2026-10-16T16:26:44.121Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06099223"
    },
    {
      "nct_id": "NCT02626559",
      "title": "Serum Bupivacaine Concentration Levels After Injection of Liposomal Bupivacaine Into the Knee",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anesthesia, Local"
      ],
      "interventions": [
        {
          "name": "liposomal bupivacaine/plain bupivacaine peri-articular injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2015-11",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2016-12-09",
      "last_synced_at": "2026-10-16T16:26:44.121Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02626559"
    },
    {
      "nct_id": "NCT03380754",
      "title": "Effects of Preoperative Carbohydrate Rich Drinks on Immediate Postoperative Outcome in Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post Operative Nausea and Vomiting"
      ],
      "interventions": [
        {
          "name": "Nutricia preOp",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Nestle Splash Lemon Flavor Water (Placebo)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2017-07-15",
      "completion_date": "2019-08-01",
      "has_results": false,
      "last_update_posted_date": "2020-02-17",
      "last_synced_at": "2026-10-16T16:26:44.121Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03380754"
    },
    {
      "nct_id": "NCT05112302",
      "title": "A Study to Evaluate Virtual Reality As Adjunct to Anesthesia During Orthopedic Surgery",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Arthropathy",
        "Hip Injuries"
      ],
      "interventions": [
        {
          "name": "Virtual reality",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2021-08-17",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-10-16T16:26:44.121Z",
      "location_count": 1,
      "location_summary": "Jackson, Florida",
      "locations": [
        {
          "city": "Jackson",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05112302"
    },
    {
      "nct_id": "NCT04191031",
      "title": "Study to Evaluate Iovera®° in Adult Patients Undergoing Total Knee Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-Operative Pain Management"
      ],
      "interventions": [
        {
          "name": "ioveraº",
          "type": "DEVICE"
        },
        {
          "name": "ioveraº sham",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Pacira Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 79,
      "start_date": "2020-09-30",
      "completion_date": "2022-07-12",
      "has_results": false,
      "last_update_posted_date": "2023-01-25",
      "last_synced_at": "2026-10-16T16:26:44.121Z",
      "location_count": 7,
      "location_summary": "Fremont, California • Pasadena, California • Tamarac, Florida + 4 more",
      "locations": [
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Tamarac",
          "state": "Florida"
        },
        {
          "city": "Towson",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04191031"
    },
    {
      "nct_id": "NCT04336579",
      "title": "Diaphragmatic Breathing Exercises in Total Knee Arthroplasty Patients",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anesthesia and Analgesia"
      ],
      "interventions": [
        {
          "name": "Diaphragmatic Breathing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 50,
      "start_date": "2024-06-10",
      "completion_date": "2024-10-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-27",
      "last_synced_at": "2026-10-16T16:26:44.121Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04336579"
    },
    {
      "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": "2026-10-16T16:26:44.121Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04814082"
    },
    {
      "nct_id": "NCT02060591",
      "title": "Comparison of Two Periarticular Injection Medications for Adjunctive Pain Management Following Total Knee Arthroplasty (TKA)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Exparel",
          "type": "DRUG"
        },
        {
          "name": "Marcaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rothman Institute Orthopaedics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2014-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-02-12",
      "last_synced_at": "2026-10-16T16:26:44.121Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02060591"
    },
    {
      "nct_id": "NCT02360735",
      "title": "Manual Lymph Drainage",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Arthroplasty",
        "Post-operative Edema"
      ],
      "interventions": [
        {
          "name": "Manual Lymphatic Drainage",
          "type": "OTHER"
        },
        {
          "name": "Physical Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Anne Arundel Health System Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "45 Years to 90 Years"
      },
      "enrollment_count": 4,
      "start_date": "2015-01",
      "completion_date": "2016-10-11",
      "has_results": false,
      "last_update_posted_date": "2018-01-09",
      "last_synced_at": "2026-10-16T16:26:44.121Z",
      "location_count": 1,
      "location_summary": "Annapolis, Maryland",
      "locations": [
        {
          "city": "Annapolis",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02360735"
    }
  ]
}