{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=20+ml+of+ropivacaine+0.5%25",
    "query": {
      "intervention": "20 ml of ropivacaine 0.5%"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 40,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=20+ml+of+ropivacaine+0.5%25&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T16:52:26.286Z",
  "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": "NCT02712151",
      "title": "Efficacy of Transversus Abdominis Plane Block for Laparoscopic Cholecystectomy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Abdominal Wall Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Surgical infiltration",
          "type": "PROCEDURE"
        },
        {
          "name": "Sterile saline",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine 0.2%",
          "type": "DRUG"
        },
        {
          "name": "Ultrasound",
          "type": "DEVICE"
        },
        {
          "name": "Ropivacaine 0.5%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 0,
      "start_date": "2024-03-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2024-07-08",
      "last_synced_at": "2026-10-10T16:52:26.286Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02712151"
    },
    {
      "nct_id": "NCT04508504",
      "title": "PENG Block for Arthroscopic Hip Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain",
        "Hip Arthroscopy"
      ],
      "interventions": [
        {
          "name": "Preop PENG block",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine 0.5% Injectable Solution",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2020-12-01",
      "completion_date": "2022-02-08",
      "has_results": false,
      "last_update_posted_date": "2022-03-25",
      "last_synced_at": "2026-10-10T16:52:26.286Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04508504"
    },
    {
      "nct_id": "NCT04209504",
      "title": "Evaluating Hemidiaphragmatic Paralysis With Prolonged Neural Blockade From an Interscalene Brachial Plexus Block",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Shoulder Surgery",
        "Shoulder Pain",
        "Shoulder Injuries",
        "Shoulder Arthritis",
        "Shoulder Disease",
        "Rotator Cuff Tears",
        "Rotator Cuff Injuries",
        "Rotator Cuff Arthropathy of Left Shoulder",
        "Rotator Cuff Arthropathy of Right Shoulder",
        "Rotator Cuff Repair"
      ],
      "interventions": [
        {
          "name": "Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "MediPines AGM100 Advanced Respiratory Monitoring System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Duke 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": 60,
      "start_date": "2021-10-12",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-01",
      "last_synced_at": "2026-10-10T16:52:26.286Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04209504"
    },
    {
      "nct_id": "NCT01997567",
      "title": "Preemptive Femoral & Lateral Femoral Cutaneous Nerve Blocks for THA Acute Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Internal Derangement of Hip",
        "Acetabular Labrum Tear"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rush University 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": "2013-07",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2018-10-03",
      "last_synced_at": "2026-10-10T16:52:26.286Z",
      "location_count": 1,
      "location_summary": "Oak Park, Illinois",
      "locations": [
        {
          "city": "Oak Park",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01997567"
    },
    {
      "nct_id": "NCT04742309",
      "title": "Pectoralis Block vs Paravertebral Nerve Blocks for Breast Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Surgery"
      ],
      "interventions": [
        {
          "name": "Pecs-2 block (single injection)",
          "type": "DRUG"
        },
        {
          "name": "Paravertebral block (single injection)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 119,
      "start_date": "2021-02-25",
      "completion_date": "2023-08-31",
      "has_results": true,
      "last_update_posted_date": "2024-06-26",
      "last_synced_at": "2026-10-10T16:52:26.286Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04742309"
    },
    {
      "nct_id": "NCT01204892",
      "title": "Pain After Laparoscopic Cholecystectomy With Bilateral Tranversus Abdominis Plane (TAP) Block Versus Local Anesthetic Infiltration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "TAP Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Local infiltration",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 80,
      "start_date": "2010-09",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2012-07-12",
      "last_synced_at": "2026-10-10T16:52:26.286Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01204892"
    },
    {
      "nct_id": "NCT03860974",
      "title": "Serratus Plane Versus Paravertebral Nerve Blocks for Breast Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Surgery"
      ],
      "interventions": [
        {
          "name": "Serratus Plane block (single injection)",
          "type": "DRUG"
        },
        {
          "name": "Paravertebral block (single injection)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2019-05-09",
      "completion_date": "2021-02-13",
      "has_results": true,
      "last_update_posted_date": "2022-09-21",
      "last_synced_at": "2026-10-10T16:52:26.286Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03860974"
    },
    {
      "nct_id": "NCT01986751",
      "title": "Effectiveness of Perineural Clonidine as an Adjuvant With Ropivacaine for Popliteal Nerve Block in Patients Undergoing Foot and Ankle Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Clonidine",
          "type": "DRUG"
        },
        {
          "name": "ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2014-01",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2016-11-04",
      "last_synced_at": "2026-10-10T16:52:26.286Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01986751"
    },
    {
      "nct_id": "NCT03033589",
      "title": "Femoral Nerve Block Versus Adductor Canal Nerve Block for Peri-Operative Analgesia Following Anterior Cruciate Ligament (ACL) Reconstruction: Evaluation of Post-operative Pain and Strength",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Marcaine 0.25 % Injectable Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 78,
      "start_date": "2016-05",
      "completion_date": "2017-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-10-10T16:52:26.286Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03033589"
    },
    {
      "nct_id": "NCT01217580",
      "title": "Pain Relief Study of Ultrasound Guided Transverse Abdominis Plane(TAP)Block",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cesarean Section"
      ],
      "interventions": [
        {
          "name": "0.5% ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "0.9% sodium chloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ochsner Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2010-10",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2023-04-12",
      "last_synced_at": "2026-10-10T16:52:26.286Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01217580"
    }
  ]
}