{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ropivacaine+hydrochloride&page=16",
    "query": {
      "intervention": "ropivacaine hydrochloride",
      "page": 16
    },
    "page_size": 10
  },
  "pagination": {
    "page": 16,
    "page_size": 10,
    "total_count": 424,
    "total_pages": 43,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ropivacaine+hydrochloride&page=17&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ropivacaine+hydrochloride&page=15&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T08:44:49.062Z",
  "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": "NCT01293136",
      "title": "Retrospective Femoral Nerve Block Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Other Reconstructive Surgery"
      ],
      "interventions": [
        {
          "name": "Femoral nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "Intravenous opioids",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 400,
      "start_date": "2011-02",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2012-01-31",
      "last_synced_at": "2026-10-16T08:44:49.062Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01293136"
    },
    {
      "nct_id": "NCT05231460",
      "title": "Pain Management Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Active Comparator: narcotic regimen with TAP block",
          "type": "DRUG"
        },
        {
          "name": "Active Comparator: narcotic regimen with no TAP block",
          "type": "DRUG"
        },
        {
          "name": "non-narcotic regimen with TAP block",
          "type": "DRUG"
        },
        {
          "name": "non-narcotic regimen with no TAP block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 244,
      "start_date": "2022-02-18",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2025-08-24",
      "last_synced_at": "2026-10-16T08:44:49.062Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05231460"
    },
    {
      "nct_id": "NCT04180943",
      "title": "Liposomal Bupivacaine Versus Bupivacaine for for Postoperative Pain Control in Shoulder Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anesthesia, Local"
      ],
      "interventions": [
        {
          "name": "interscalene nerve block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bassett Healthcare",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 85,
      "start_date": "2019-12-13",
      "completion_date": "2021-06-01",
      "has_results": false,
      "last_update_posted_date": "2022-03-02",
      "last_synced_at": "2026-10-16T08:44:49.062Z",
      "location_count": 1,
      "location_summary": "Cooperstown, New York",
      "locations": [
        {
          "city": "Cooperstown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04180943"
    },
    {
      "nct_id": "NCT02287142",
      "title": "Evaluation of Supraclavicular, Suprascapular, and Interscalene Nerve Blocks for Outpatient Shoulder Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Pain",
        "Shoulder Joint",
        "Pathologic Processes"
      ],
      "interventions": [
        {
          "name": "Brachial plexus nerve block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Benaroya 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": 189,
      "start_date": "2014-10",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2017-02-02",
      "last_synced_at": "2026-10-16T08:44:49.062Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02287142"
    },
    {
      "nct_id": "NCT00616603",
      "title": "The Effects of Dexamethasone on the Duration of Sciatic Nerve Blocks",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 43,
      "start_date": "2007-08",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2014-06-11",
      "last_synced_at": "2026-10-16T08:44:49.062Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00616603"
    },
    {
      "nct_id": "NCT00923494",
      "title": "Effectiveness of Ultrasound (US) Guided Supraclavicular Block",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Analgesia",
        "Pain"
      ],
      "interventions": [
        {
          "name": "20 ml of ropivacaine 0.5%",
          "type": "DRUG"
        },
        {
          "name": "30 ml of ropivacaine 0.5%",
          "type": "DRUG"
        },
        {
          "name": "40 ml of ropivacaine 0.5%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 0,
      "start_date": "2009-05",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2017-01-20",
      "last_synced_at": "2026-10-16T08:44:49.062Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00923494"
    },
    {
      "nct_id": "NCT01555216",
      "title": "Continuous Tibial Nerve Block Versus Single Shot Tibial Nerve Block",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hallux Valgus"
      ],
      "interventions": [
        {
          "name": "Single injection posterior tibial nerve block",
          "type": "DRUG"
        },
        {
          "name": "Posterior tibial nerve catheter",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "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": 0,
      "start_date": "2011-10",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2016-05-27",
      "last_synced_at": "2026-10-16T08:44:49.062Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01555216"
    },
    {
      "nct_id": "NCT02299271",
      "title": "Fascia Iliaca Block for Post-Operative Pain Control After Total Hip Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis of the Hip"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Christ Hospital",
      "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": 72,
      "start_date": "2014-06",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-02-09",
      "last_synced_at": "2026-10-16T08:44:49.062Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02299271"
    },
    {
      "nct_id": "NCT02494336",
      "title": "Trans-incisional vs Laparoscopic Guided Rectus Sheath Block for Pediatric Single Incision Laparoscopic Cholecystectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Trans-incisional rectus sheath block",
          "type": "PROCEDURE"
        },
        {
          "name": "Laparoscopic guided rectus sheath block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Johns Hopkins All Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "10 Years to 21 Years"
      },
      "enrollment_count": 48,
      "start_date": "2015-06",
      "completion_date": "2019-10-31",
      "has_results": true,
      "last_update_posted_date": "2021-01-22",
      "last_synced_at": "2026-10-16T08:44:49.062Z",
      "location_count": 1,
      "location_summary": "St. Petersburg, Florida",
      "locations": [
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02494336"
    },
    {
      "nct_id": "NCT00587704",
      "title": "Paravertebral Blocks: Pilot Study to Compare Nerve Stimulation vs. Anatomic Landmarks in Inguinal Hernia Repair",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inguinal Hernia"
      ],
      "interventions": [
        {
          "name": "PVB using nerve stimulation",
          "type": "PROCEDURE"
        },
        {
          "name": "PVB using anatomic landmarks",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2007-07",
      "completion_date": "2009-05",
      "has_results": false,
      "last_update_posted_date": "2010-02-23",
      "last_synced_at": "2026-10-16T08:44:49.062Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00587704"
    }
  ]
}