{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Knee+Osteoarthritis&page=3",
    "query": {
      "condition": "Primary Knee Osteoarthritis",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 52,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Knee+Osteoarthritis&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Knee+Osteoarthritis&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T15:07:04.462Z",
  "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": "NCT03838874",
      "title": "Mepivacaine Versus Low-Dose Bupivacaine For Primary Total Hip and Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Hip Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Low-Dose Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Mepivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Days",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Days and older"
      },
      "enrollment_count": 154,
      "start_date": "2019-02-25",
      "completion_date": "2019-10-29",
      "has_results": true,
      "last_update_posted_date": "2021-08-12",
      "last_synced_at": "2026-10-10T15:07:04.462Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03838874"
    },
    {
      "nct_id": "NCT05099276",
      "title": "Extended Postoperative Oral Tranexamic Acid in Knee Replacement",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Blood Loss",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Tranexamic Acid Pill",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Campbell Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 46,
      "start_date": "2021-12-07",
      "completion_date": "2024-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-03-06",
      "last_synced_at": "2026-10-10T15:07:04.462Z",
      "location_count": 1,
      "location_summary": "Germantown, Tennessee",
      "locations": [
        {
          "city": "Germantown",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05099276"
    },
    {
      "nct_id": "NCT04217486",
      "title": "ROM Outcomes in Patients Undergoing a Primary TKA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Patient will be shown a photograph of their knee at 2 weeks postop",
          "type": "OTHER"
        },
        {
          "name": "Patient will not be shown a photograph of their knee at 2 weeks postop",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Louisville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "22 Years to 89 Years"
      },
      "enrollment_count": 158,
      "start_date": "2020-02-04",
      "completion_date": "2021-05-31",
      "has_results": false,
      "last_update_posted_date": "2021-09-16",
      "last_synced_at": "2026-10-10T15:07:04.462Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04217486"
    },
    {
      "nct_id": "NCT02863120",
      "title": "Liposomal Bupivacaine vs Adductor Canal Block in Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "liposomal bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "bupivacaine HCl",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Texas Orthopaedics, Sports and Rehabilitation Associates",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 63,
      "start_date": "2016-07",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-10-10T15:07:04.462Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02863120"
    },
    {
      "nct_id": "NCT06988163",
      "title": "Osteoarthritis Care Tools for Primary Care Providers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthritis",
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "OACareTools+",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 75,
      "start_date": "2025-08-21",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-10T15:07:04.462Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06988163"
    },
    {
      "nct_id": "NCT01919164",
      "title": "A Study to Investigate the Safety and Effectiveness of Different Doses of Sprifermin in Participants With Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Sprifermin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "EMD Serono Research & Development Institute, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 549,
      "start_date": "2013-07-29",
      "completion_date": "2019-05-07",
      "has_results": true,
      "last_update_posted_date": "2020-07-13",
      "last_synced_at": "2026-10-10T15:07:04.462Z",
      "location_count": 2,
      "location_summary": "Lakewood, Colorado • Baltimore, Maryland",
      "locations": [
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01919164"
    },
    {
      "nct_id": "NCT04706702",
      "title": "Implementation of Tele-Exercise for Management of Knee Osteoarthritis in Older Rural Primary Care Patients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Tele-EnhanceFitness",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2021-03-01",
      "completion_date": "2022-02-28",
      "has_results": false,
      "last_update_posted_date": "2021-01-13",
      "last_synced_at": "2026-10-10T15:07:04.462Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04706702"
    },
    {
      "nct_id": "NCT00366938",
      "title": "Efficacy and Safety of Lumiracoxib in Patients With Knee Osteoarthritis (OA).",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Lumiracoxib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1464,
      "start_date": "2003-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-05-21",
      "last_synced_at": "2026-10-10T15:07:04.462Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00366938"
    },
    {
      "nct_id": "NCT04040985",
      "title": "LEGION™ Primary Safety and Efficacy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteo Arthritis Knee",
        "Total Knee Replacement"
      ],
      "interventions": [
        {
          "name": "Total Knee Arthroplasty using LEGION™ Total Knee System",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 128,
      "start_date": "2009-09-09",
      "completion_date": "2020-12-17",
      "has_results": true,
      "last_update_posted_date": "2024-10-10",
      "last_synced_at": "2026-10-10T15:07:04.462Z",
      "location_count": 5,
      "location_summary": "Vero Beach, Florida • Des Moines, Iowa • Louisville, Kentucky + 2 more",
      "locations": [
        {
          "city": "Vero Beach",
          "state": "Florida"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Monroe",
          "state": "New Jersey"
        },
        {
          "city": "Somerset",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04040985"
    },
    {
      "nct_id": "NCT01746524",
      "title": "Prospective, Multiconfiguration Study to Assess Functional Performance of Primary Total Knee Arthroplasty System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "ATTUNE Primary Total Knee Arthroplasty",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "DePuy Orthopaedics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "22 Years to 80 Years"
      },
      "enrollment_count": 1138,
      "start_date": "2012-11-01",
      "completion_date": "2018-03-05",
      "has_results": false,
      "last_update_posted_date": "2019-04-11",
      "last_synced_at": "2026-10-10T15:07:04.462Z",
      "location_count": 9,
      "location_summary": "Orange, California • San Diego, California • Fort Collins, Colorado + 6 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01746524"
    }
  ]
}