{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=primary+total+knee+replacement&page=2",
    "query": {
      "intervention": "primary total 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?intervention=primary+total+knee+replacement&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T10:54:24.225Z",
  "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": "NCT00324857",
      "title": "Educational Intervention for Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Decision Aid Video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MI plus Decision aid",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 663,
      "start_date": "2006-09",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2018-10-10",
      "last_synced_at": "2026-09-24T10:54:24.225Z",
      "location_count": 3,
      "location_summary": "Cleveland, Ohio • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00324857"
    },
    {
      "nct_id": "NCT01135030",
      "title": "Anterior Referencing Versus Posterior Referencing in Minimally Invasive Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Total knee",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Heekin Orthopedic Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 100,
      "start_date": "2006-10",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-02-06",
      "last_synced_at": "2026-09-24T10:54:24.225Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01135030"
    },
    {
      "nct_id": "NCT02369523",
      "title": "Multimodal Pain Management Following Primary TKA",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Exparel",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine cocktail (PIC)",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "40 Years to 90 Years"
      },
      "enrollment_count": 84,
      "start_date": "2014-09",
      "completion_date": "2017-04",
      "has_results": false,
      "last_update_posted_date": "2023-08-15",
      "last_synced_at": "2026-09-24T10:54:24.225Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02369523"
    },
    {
      "nct_id": "NCT00767559",
      "title": "Prophylaxis Against DVTs After Primary Hip and Knee Replacement Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Embolism"
      ],
      "interventions": [
        {
          "name": "warfarin",
          "type": "DRUG"
        },
        {
          "name": "Fondaparinux:",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The New England Baptist Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 330,
      "start_date": "2008-11",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2011-09-26",
      "last_synced_at": "2026-09-24T10:54:24.225Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00767559"
    },
    {
      "nct_id": "NCT07672301",
      "title": "Total Intravenous Anesthesia vs Spinal Anesthesia in Patients Undergoing Unilateral Primary Total Knee Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Total Knee Arthroplasty (TKA)"
      ],
      "interventions": [
        {
          "name": "Total IntraVenous Anesthesia (TIVA)",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Spinal-Block",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Electroencephalogram (EEG)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DEVICE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2026-03-11",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-09-24T10:54:24.225Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07672301"
    },
    {
      "nct_id": "NCT03952546",
      "title": "To Evaluate the Safety and Efficacy of the Saline-coupled Bipolar Sealer in Primary Unilateral Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgical Blood Loss"
      ],
      "interventions": [
        {
          "name": "Saline-coupled Bipolar Sealer",
          "type": "DEVICE"
        },
        {
          "name": "Unipolar electrocautery",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 211,
      "start_date": "2019-05-07",
      "completion_date": "2021-06-09",
      "has_results": true,
      "last_update_posted_date": "2023-02-15",
      "last_synced_at": "2026-09-24T10:54:24.225Z",
      "location_count": 1,
      "location_summary": "Syosset, New York",
      "locations": [
        {
          "city": "Syosset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03952546"
    },
    {
      "nct_id": "NCT05751421",
      "title": "Pain Relief After PrimaryTKA",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Zynrelef (Bupivacaine 60 MG / Meloxicam 1.8 MG) Per 2.3 ML Extended Release Solution",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine HCl 0.5% Injectable Solution",
          "type": "DRUG"
        },
        {
          "name": "primary total knee replacement",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Rothman Institute Orthopaedics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2023-02-28",
      "completion_date": "2024-02-28",
      "has_results": false,
      "last_update_posted_date": "2023-03-02",
      "last_synced_at": "2026-09-24T10:54:24.225Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05751421"
    },
    {
      "nct_id": "NCT02145949",
      "title": "Mechanistic Approach to Preventing Atrophy and Restoring Function in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Muscle Atrophy",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Essential Amino Acids (EAA)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Alanine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oregon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 80,
      "start_date": "2014-12",
      "completion_date": "2020-02",
      "has_results": true,
      "last_update_posted_date": "2024-07-23",
      "last_synced_at": "2026-09-24T10:54:24.225Z",
      "location_count": 2,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02145949"
    },
    {
      "nct_id": "NCT03720782",
      "title": "Safety and Performance Study of the Legion Porous System in Total Knee Arthroplasty",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "LEGION Porous HA Tibial Baseplate and/or the LEGION Porous HA CR Femoral Component",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Smith & Nephew, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 118,
      "start_date": "2019-05-22",
      "completion_date": "2032-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-09-24T10:54:24.225Z",
      "location_count": 2,
      "location_summary": "Coon Rapids, Minnesota • St Louis, Missouri",
      "locations": [
        {
          "city": "Coon Rapids",
          "state": "Minnesota"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03720782"
    },
    {
      "nct_id": "NCT05539326",
      "title": "A Study of the Construct Validity of Community Walking Speed Data Collected Remotely With the Canary canturioTM te Tibial Extension",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Performance Clinical Outcome Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Canary Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2022-12-29",
      "completion_date": "2023-05-12",
      "has_results": false,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-09-24T10:54:24.225Z",
      "location_count": 6,
      "location_summary": "Frisco, Colorado • South Bend, Indiana • Jackson, Mississippi + 3 more",
      "locations": [
        {
          "city": "Frisco",
          "state": "Colorado"
        },
        {
          "city": "South Bend",
          "state": "Indiana"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "Sparta",
          "state": "New Jersey"
        },
        {
          "city": "Oregon City",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05539326"
    }
  ]
}