{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Total+hip+replacement%2Farthroplasty&page=2",
    "query": {
      "intervention": "Total hip replacement/arthroplasty",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 328,
    "total_pages": 33,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Total+hip+replacement%2Farthroplasty&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Total+hip+replacement%2Farthroplasty&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T07:16:08.025Z",
  "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": "NCT01397383",
      "title": "Vitamin D and Functional Outcomes After Total Hip Arthroplasty (THA)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vitamin D Deficiency"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 219,
      "start_date": "2010-03",
      "completion_date": "2014-02-03",
      "has_results": false,
      "last_update_posted_date": "2017-03-20",
      "last_synced_at": "2026-09-30T07:16:08.025Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01397383"
    },
    {
      "nct_id": "NCT02761499",
      "title": "Post Approval Study of the Commercially Available U-Motion II+ Acetabular System and UTF Reduced Stem",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "U-Motion II+ Acetabular System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "United Orthopedic Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 200,
      "start_date": "2016-01",
      "completion_date": "2025-08",
      "has_results": false,
      "last_update_posted_date": "2023-06-05",
      "last_synced_at": "2026-09-30T07:16:08.025Z",
      "location_count": 6,
      "location_summary": "Jacksonville, Florida • Naples, Florida • New York, New York + 3 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Naples",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Dayton",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02761499"
    },
    {
      "nct_id": "NCT02342977",
      "title": "Effects of Lacosamide on Post-operative Opioid Requirements After a Total Hip Arthroplasty:",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis",
        "Rheumatoid Arthritis",
        "Avascular Necrosis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Lacosamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2014-11",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2016-08-26",
      "last_synced_at": "2026-09-30T07:16:08.025Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02342977"
    },
    {
      "nct_id": "NCT01484002",
      "title": "Analysis of Crosslinked and Conventional Polyethylene Explants",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Total hip arthroplasty",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Anderson Orthopaedic Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2011-12",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2017-01-24",
      "last_synced_at": "2026-09-30T07:16:08.025Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Alexandria, Virginia",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Alexandria",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01484002"
    },
    {
      "nct_id": "NCT02111057",
      "title": "Perioperative Flare in RA: Characterization of Clinical and Biological Features",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Hospital for Special Surgery, New York",
      "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": 162,
      "start_date": "2013-10-16",
      "completion_date": "2017-05-09",
      "has_results": false,
      "last_update_posted_date": "2019-10-21",
      "last_synced_at": "2026-09-30T07:16:08.025Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02111057"
    },
    {
      "nct_id": "NCT01668160",
      "title": "Stability of Revision Total Hip Arthroplasty Implants Using Radiostereometric Analysis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis of Hip",
        "Failure of Primary THA"
      ],
      "interventions": [
        {
          "name": "Bead placement during revision hip replacement surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": "2012-02",
      "completion_date": "2020-01",
      "has_results": false,
      "last_update_posted_date": "2013-11-05",
      "last_synced_at": "2026-09-30T07:16:08.025Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01668160"
    },
    {
      "nct_id": "NCT03450733",
      "title": "Wright Medical Technology Metal-on-Metal 522 Post-Market Surveillance Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis, Hip",
        "Hip Disease",
        "Hip Osteoarthritis",
        "Joint Pain"
      ],
      "interventions": [
        {
          "name": "Wright Medical Technology Metal-on-Metal Total Hip System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "MicroPort Orthopedics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 173,
      "start_date": "2018-04-11",
      "completion_date": "2022-06-18",
      "has_results": false,
      "last_update_posted_date": "2022-10-13",
      "last_synced_at": "2026-09-30T07:16:08.025Z",
      "location_count": 4,
      "location_summary": "El Cajon, California • La Mesa, California • Iowa City, Iowa + 1 more",
      "locations": [
        {
          "city": "El Cajon",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03450733"
    },
    {
      "nct_id": "NCT03408483",
      "title": "Quadratus Lumborum Block Versus Control for Total Hip Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Total Hip Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Quadratus Lumborum Block (QLB)",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2018-04-01",
      "completion_date": "2020-08-22",
      "has_results": true,
      "last_update_posted_date": "2021-06-09",
      "last_synced_at": "2026-09-30T07:16:08.025Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03408483"
    },
    {
      "nct_id": "NCT05307341",
      "title": "Improving Pain Management and Decreasing LOS After Total Hip Arthroplasty (THA) and Total Knee Arthroplasty (TKA)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "sufentanil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "More Foundation",
      "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": 100,
      "start_date": "2022-03",
      "completion_date": "2023-06",
      "has_results": false,
      "last_update_posted_date": "2022-04-01",
      "last_synced_at": "2026-09-30T07:16:08.025Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05307341"
    },
    {
      "nct_id": "NCT06533020",
      "title": "Long-term Outcomes of Complex Conversion Total Hip Arthroplasty",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthroplasty Complications"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2024-10-06",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-09",
      "last_synced_at": "2026-09-30T07:16:08.025Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06533020"
    }
  ]
}