{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Knee+Replacement&page=2",
    "query": {
      "condition": "Knee Replacement",
      "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+Replacement&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T16:23:58.753Z",
  "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": "NCT00958789",
      "title": "Triathlon Total Stabilizer (TS) Outcomes Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthroplasty, Replacement, Knee"
      ],
      "interventions": [
        {
          "name": "Triathlon TS Knee System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stryker Orthopaedics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2009-07",
      "completion_date": "2019-03-28",
      "has_results": true,
      "last_update_posted_date": "2021-10-22",
      "last_synced_at": "2026-07-22T16:23:58.753Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Chicago, Illinois + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Egg Harbor",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00958789"
    },
    {
      "nct_id": "NCT02570503",
      "title": "Postoperative Pain Control After Periarticular Injection During Total Knee Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Ketorolac",
          "type": "DRUG"
        },
        {
          "name": "Clonidine",
          "type": "DRUG"
        },
        {
          "name": "Epinephrine",
          "type": "DRUG"
        },
        {
          "name": "0.9% sodium chloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2015-10",
      "completion_date": "2021-02-11",
      "has_results": true,
      "last_update_posted_date": "2022-03-04",
      "last_synced_at": "2026-07-22T16:23:58.753Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02570503"
    },
    {
      "nct_id": "NCT03316118",
      "title": "US Guided GNB vs Saline Injection for TKA",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain",
        "Total Knee Arthroplasty",
        "Nerve Block"
      ],
      "interventions": [
        {
          "name": "bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 2,
      "start_date": "2017-10-05",
      "completion_date": "2021-06-21",
      "has_results": true,
      "last_update_posted_date": "2022-09-28",
      "last_synced_at": "2026-07-22T16:23:58.753Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03316118"
    },
    {
      "nct_id": "NCT03152162",
      "title": "A Prospective Study to Evaluate the ConforMIS iTotal® (PS) Knee Replacement System",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "iTotal PS KRS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Restor3D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2017-05-01",
      "completion_date": "2022-11-01",
      "has_results": false,
      "last_update_posted_date": "2023-10-25",
      "last_synced_at": "2026-07-22T16:23:58.753Z",
      "location_count": 4,
      "location_summary": "Chapel Hill, North Carolina • Austin, Texas • Morrisville, Vermont + 1 more",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Morrisville",
          "state": "Vermont"
        },
        {
          "city": "Huntington",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03152162"
    },
    {
      "nct_id": "NCT04199780",
      "title": "Effects of tDCS Combined With CBI on Postsurgical Pain",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Arthroplasty (Postoperative Pain)",
        "Total Hip Arthroplasty (Postoperative Pain)"
      ],
      "interventions": [
        {
          "name": "Transcranial Direct Current Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Cognitive-Behavioral (CB) intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 132,
      "start_date": "2021-01-11",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-30",
      "last_synced_at": "2026-07-22T16:23:58.753Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04199780"
    },
    {
      "nct_id": "NCT01505452",
      "title": "Study of Surgical Technique With Use of Single-radius Prosthesis in Total Knee Replacement",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthritis of Knee"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Athens Orthopedic Clinic, P.A.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2011-11",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2019-01-09",
      "last_synced_at": "2026-07-22T16:23:58.753Z",
      "location_count": 2,
      "location_summary": "Athens, Georgia",
      "locations": [
        {
          "city": "Athens",
          "state": "Georgia"
        },
        {
          "city": "Athens",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01505452"
    },
    {
      "nct_id": "NCT02123225",
      "title": "Is the STOP-BANG Predictive of Worsening OSA in the Early Postop Period in Patients Undergoing TJA?",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obstructive Sleep Apnea",
        "Total Knee Arthroplasty"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "United States Naval Medical Center, San Diego",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 93,
      "start_date": "2013-12",
      "completion_date": "2017-05-12",
      "has_results": false,
      "last_update_posted_date": "2017-09-21",
      "last_synced_at": "2026-07-22T16:23:58.753Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02123225"
    },
    {
      "nct_id": "NCT07151417",
      "title": "Use of Corticosteroid in Intraopertive Injections in Total Knee Replacement Surgery.",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Musculoskeletal Disease",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "PAI",
          "type": "DRUG"
        },
        {
          "name": "PAI + steroid",
          "type": "DRUG"
        },
        {
          "name": "PAI + zilretta",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Walter Reed National Military Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2025-09-01",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-03",
      "last_synced_at": "2026-07-22T16:23:58.753Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07151417"
    },
    {
      "nct_id": "NCT07639723",
      "title": "Aprepitant to Improve Same Day Discharge for TKA",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "PONV"
      ],
      "interventions": [
        {
          "name": "Aprepitant Injection",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron (Zofran)",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Endeavor Health",
      "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": 350,
      "start_date": "2026-07",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-07-22T16:23:58.753Z",
      "location_count": 1,
      "location_summary": "Skokie, Illinois",
      "locations": [
        {
          "city": "Skokie",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07639723"
    },
    {
      "nct_id": "NCT07633418",
      "title": "IO Vancomycin Administration in TKA",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Intraosseous Vamcomycin Administration",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2026-06-01",
      "completion_date": "2029-04-29",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-07-22T16:23:58.753Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07633418"
    }
  ]
}