{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Total+joint+arthroplasty+%28TJA%29",
    "query": {
      "intervention": "Total joint arthroplasty (TJA)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 19,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Total+joint+arthroplasty+%28TJA%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T02:37:13.750Z",
  "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": "NCT03443284",
      "title": "Health Partner Evaluation at Providence",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Arthroplasty; Total Hip Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Health Partner",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "DePuy Orthopaedics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 79,
      "start_date": "2018-12-11",
      "completion_date": "2019-12-17",
      "has_results": false,
      "last_update_posted_date": "2020-01-02",
      "last_synced_at": "2026-10-04T02:37:13.750Z",
      "location_count": 3,
      "location_summary": "Newberg, Oregon • Spokane, Washington",
      "locations": [
        {
          "city": "Newberg",
          "state": "Oregon"
        },
        {
          "city": "Spokane",
          "state": "Washington"
        },
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03443284"
    },
    {
      "nct_id": "NCT05428020",
      "title": "RCT Foley Catheter Study for Elective TJA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Urinary Retention",
        "Total Hip Arthroplasty",
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Indwelling foley catheter",
          "type": "DEVICE"
        },
        {
          "name": "No foley catheter",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 388,
      "start_date": "2020-11-16",
      "completion_date": "2022-11-15",
      "has_results": true,
      "last_update_posted_date": "2023-08-03",
      "last_synced_at": "2026-10-04T02:37:13.750Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05428020"
    },
    {
      "nct_id": "NCT02233101",
      "title": "Oral vs. Intravenous TXA Study Proposal: TJA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Loss After Primary Total Joint Arthroplasty",
        "Need for Blood Transfusion After Total Joint Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Oral Tranexamic Acid",
          "type": "DRUG"
        },
        {
          "name": "Intravenous Tranexamic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rush University Medical Center",
      "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": 167,
      "start_date": "2014-06",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2017-11-28",
      "last_synced_at": "2026-10-04T02:37:13.750Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02233101"
    },
    {
      "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": "2026-10-04T02:37:13.750Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02123225"
    },
    {
      "nct_id": "NCT06747494",
      "title": "General vs Spinal in Total Joint Arthroplasty (TJA)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Hip Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "General Anesthesia",
          "type": "PROCEDURE"
        },
        {
          "name": "Spinal Anesthesia",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2396,
      "start_date": "2025-02-01",
      "completion_date": "2030-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-18",
      "last_synced_at": "2026-10-04T02:37:13.750Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06747494"
    },
    {
      "nct_id": "NCT02197273",
      "title": "Liposomal Bupivacaine Versus Standard Analgesia in Total Joint Arthroplasty (TJA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Osteoarthritis, Hip",
        "Osteoarthritis, Shoulder"
      ],
      "interventions": [
        {
          "name": "Liposomal bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Standard of care analgesia",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "OhioHealth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 211,
      "start_date": "2014-07",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2016-10-21",
      "last_synced_at": "2026-10-04T02:37:13.750Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02197273"
    },
    {
      "nct_id": "NCT03879707",
      "title": "Improving Sleep Quality After Total Joint Arthroplasty ( TJA)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Pain After TJA"
      ],
      "interventions": [
        {
          "name": "Melatonin 5 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Magnesium 500Mg Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 0,
      "start_date": "2025-06",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2025-04-11",
      "last_synced_at": "2026-10-04T02:37:13.750Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03879707"
    },
    {
      "nct_id": "NCT05156762",
      "title": "Total Joint Arthroplasty (TJA) Weight Loss Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Hip",
        "Osteoarthritis, Knee",
        "Obesity, Morbid"
      ],
      "interventions": [
        {
          "name": "Bariatric surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical weight loss",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient research surveys",
          "type": "OTHER"
        },
        {
          "name": "Total joint arthroplasty (TJA)",
          "type": "PROCEDURE"
        },
        {
          "name": "Usual standard of care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2022-10-03",
      "completion_date": "2025-09-07",
      "has_results": false,
      "last_update_posted_date": "2025-10-14",
      "last_synced_at": "2026-10-04T02:37:13.750Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05156762"
    },
    {
      "nct_id": "NCT07006714",
      "title": "Preoperative Correction of Vitamin D Deficiency in Total Joint Arthroplasty (TJA)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D3",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "96 Years",
        "sex": "ALL",
        "summary": "18 Years to 96 Years"
      },
      "enrollment_count": 200,
      "start_date": "2025-09-08",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-10-04T02:37:13.750Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07006714"
    },
    {
      "nct_id": "NCT04592302",
      "title": "The Impact of Smoking on Outcomes and Complications in Total Joint Arthroplasty: A Prospective Crossover Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking",
        "Total Joint Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Rothman Institute Orthopaedics",
      "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": 1200,
      "start_date": "2016-12-01",
      "completion_date": "2021-07-31",
      "has_results": false,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-10-04T02:37:13.750Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04592302"
    }
  ]
}