{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Total+Hip+Arthroplasty+%28Postoperative+Pain%29",
    "query": {
      "condition": "Total Hip Arthroplasty (Postoperative Pain)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 32,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Total+Hip+Arthroplasty+%28Postoperative+Pain%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T01:36:49.002Z",
  "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": "NCT03834142",
      "title": "NSS-2-BRIDGE Study for Total Knee and Hip Arthroplasties, Bariatric, and Kidney Transplant Surgeries",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Pain",
        "Arthropathy of Knee",
        "Arthropathy of Hip",
        "Pain, Postoperative",
        "Kidney Transplant Donor",
        "Bariatric Surgery Candidate"
      ],
      "interventions": [
        {
          "name": "NSS-2 Bridge",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Jacques E. Chelly",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2019-03-08",
      "completion_date": "2021-06-30",
      "has_results": true,
      "last_update_posted_date": "2022-08-03",
      "last_synced_at": "2026-07-24T01:36:49.002Z",
      "location_count": 3,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03834142"
    },
    {
      "nct_id": "NCT07226700",
      "title": "Suzetrigine in Total Hip Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Total Hip Arthroplasty (THA)",
        "Total Hip Arthroplasty \\(THA\\)",
        "Total Hip Replacement",
        "Total Hip Replacement Surgery",
        "Total Hip Replacements",
        "Total Hip Replacement Arthroplasty",
        "Suzetrigine",
        "Pain Management",
        "Pain",
        "Nav 1.8",
        "JOURNAVX",
        "Opioid Cessation",
        "Opioid Consumption, Postoperative",
        "Multimodal Analgesia",
        "Randomized Controlled Trial",
        "Randomized Controlled Study",
        "Randomized Controlled Trials"
      ],
      "interventions": [
        {
          "name": "Suzetrigine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "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": 210,
      "start_date": "2025-11-03",
      "completion_date": "2028-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-07-24T01:36:49.002Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07226700"
    },
    {
      "nct_id": "NCT07430228",
      "title": "Efficacy of Intravenous Oxytocin to Speed Recovery After THA",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Total Hip Arthroplasty"
      ],
      "interventions": [
        {
          "name": "intravenous administration of oxytocin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 80,
      "start_date": "2026-07",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-07-24T01:36:49.002Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07430228"
    },
    {
      "nct_id": "NCT03801265",
      "title": "Lumbar Plexus vs Quadratus Lumborum Block in Post-operative Pain Following Total Hip Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hip Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Lumbar plexus block",
          "type": "PROCEDURE"
        },
        {
          "name": "Quadratus lumborum type 3 block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Sharad Khetarpal",
      "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": 46,
      "start_date": "2019-03-19",
      "completion_date": "2020-05-30",
      "has_results": true,
      "last_update_posted_date": "2021-07-15",
      "last_synced_at": "2026-07-24T01:36:49.002Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03801265"
    },
    {
      "nct_id": "NCT02241967",
      "title": "Dose Dependent Effects of tDCS on Post-Operative Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Total Knee Arthroplasty (Postoperative Pain)",
        "Total Hip Arthroplasty(Postoperative Pain)"
      ],
      "interventions": [
        {
          "name": "4 Real sessions of Transcranial Direct Current Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "2 Real Sessions of Transcranial Direct Current Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "1 Real Session of Transcranial Direct Current Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Sham Transcranial Direct Current Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "19 Years to 90 Years"
      },
      "enrollment_count": 119,
      "start_date": "2016-01-07",
      "completion_date": "2020-07-02",
      "has_results": true,
      "last_update_posted_date": "2022-07-13",
      "last_synced_at": "2026-07-24T01:36:49.002Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02241967"
    },
    {
      "nct_id": "NCT01359865",
      "title": "Comparison of Anesthetic Techniques on Total Hip Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Lumbar Plexus Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 70,
      "start_date": "2012-07",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2015-10-02",
      "last_synced_at": "2026-07-24T01:36:49.002Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01359865"
    },
    {
      "nct_id": "NCT03375112",
      "title": "Fascia Iliaca Blocks for Pain Control After Total Hip Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Arthritis of Hip"
      ],
      "interventions": [
        {
          "name": "Fascia iliaca compartment block",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 122,
      "start_date": "2017-07-31",
      "completion_date": "2019-10-01",
      "has_results": true,
      "last_update_posted_date": "2023-10-10",
      "last_synced_at": "2026-07-24T01:36:49.002Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03375112"
    },
    {
      "nct_id": "NCT03020966",
      "title": "IV vs. Oral Acetaminophen as a Component of Multimodal Analgesia After Total Hip Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 154,
      "start_date": "2017-02-16",
      "completion_date": "2019-06-16",
      "has_results": true,
      "last_update_posted_date": "2021-08-10",
      "last_synced_at": "2026-07-24T01:36:49.002Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03020966"
    },
    {
      "nct_id": "NCT01571492",
      "title": "Continuous L2 Paravertebral Block Versus Continuous Lumbar Plexus Block for Postoperative Analgesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Hip Arthroplasty"
      ],
      "interventions": [
        {
          "name": "L2 Paravertebral catheter nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "Continuous Lumbar plexus nerve block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 60,
      "start_date": "2009-06",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2017-06-07",
      "last_synced_at": "2026-07-24T01:36:49.002Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01571492"
    },
    {
      "nct_id": "NCT03409900",
      "title": "Lumbar Plexus Block Versus Quadratus Lumborum Block for Primary Anterior Total Hip Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis",
        "Total Hip Arthroplasty"
      ],
      "interventions": [
        {
          "name": "LPB",
          "type": "OTHER"
        },
        {
          "name": "QLB",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 44,
      "start_date": "2019-03-04",
      "completion_date": "2019-11-22",
      "has_results": false,
      "last_update_posted_date": "2020-05-12",
      "last_synced_at": "2026-07-24T01:36:49.002Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03409900"
    }
  ]
}