{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Block+performed&page=19",
    "query": {
      "intervention": "Block performed",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 553,
    "total_pages": 56,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Block+performed&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Block+performed&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-03T10:40:41.997Z",
  "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": "NCT03913845",
      "title": "The Impact of Retropubic Lidocaine vs Saline on Postoperative Urinary Retention Following Midurethral Sling",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Stress Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "lidocaine with epinephrine",
          "type": "DRUG"
        },
        {
          "name": "Normal saline with epinephrine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "West Penn Allegheny Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 99 Years · Female only"
      },
      "enrollment_count": 150,
      "start_date": "2019-11-25",
      "completion_date": "2024-11-14",
      "has_results": true,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-11-03T10:40:41.997Z",
      "location_count": 4,
      "location_summary": "Bethel Park, Pennsylvania • Jefferson Hills, Pennsylvania • Pittsburgh, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Bethel Park",
          "state": "Pennsylvania"
        },
        {
          "city": "Jefferson Hills",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Wexford",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03913845"
    },
    {
      "nct_id": "NCT03121677",
      "title": "Personalized Tumor Vaccine Strategy and PD-1 Blockade in Patients With Follicular Lymphoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Follicular Lymphoma"
      ],
      "interventions": [
        {
          "name": "Personalized tumor vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Poly ICLC",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Peripheral blood draws",
          "type": "PROCEDURE"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2018-10-16",
      "completion_date": "2023-08-07",
      "has_results": false,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-11-03T10:40:41.997Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03121677"
    },
    {
      "nct_id": "NCT03807505",
      "title": "Erector Spinae Plane Versus Interscalene Blocks for Shoulder Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia, Local",
        "Phrenic Nerve Paralysis",
        "Upper Extremity Injury",
        "Shoulder Injury"
      ],
      "interventions": [
        {
          "name": "Interscalene brachial plexus nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "Erector spinae plane block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2019-06-13",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-03-05",
      "last_synced_at": "2026-11-03T10:40:41.997Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03807505"
    },
    {
      "nct_id": "NCT06716112",
      "title": "Paired Vagus Nerve Stimulation Mechanisms",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Stroke"
      ],
      "interventions": [
        {
          "name": "Vagus Nerve Stimulation (VNS) Device",
          "type": "DEVICE"
        },
        {
          "name": "Sham VNS Device",
          "type": "DEVICE"
        },
        {
          "name": "Upper Extremity Rehabilitation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "22 Years to 79 Years"
      },
      "enrollment_count": 4,
      "start_date": "2025-07-15",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-11-03T10:40:41.997Z",
      "location_count": 2,
      "location_summary": "New York, New York • Richardson, Texas",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Richardson",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06716112"
    },
    {
      "nct_id": "NCT03490968",
      "title": "The Impact of Branched-Chain Amino Acid Metabolism on Limb Dysfunction in PAD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Arterial Disease"
      ],
      "interventions": [
        {
          "name": "Supervised Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vascular Assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2018-05-22",
      "completion_date": "2023-08-22",
      "has_results": false,
      "last_update_posted_date": "2024-02-29",
      "last_synced_at": "2026-11-03T10:40:41.997Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03490968"
    },
    {
      "nct_id": "NCT04219618",
      "title": "The Left Ventricular Assist Device (LVAD) Off or On Pump Implantation Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "LVAD"
      ],
      "interventions": [
        {
          "name": "Off-Pump",
          "type": "DEVICE"
        },
        {
          "name": "On-Pump",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2020-03-01",
      "completion_date": "2022-03-31",
      "has_results": true,
      "last_update_posted_date": "2022-06-27",
      "last_synced_at": "2026-11-03T10:40:41.997Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04219618"
    },
    {
      "nct_id": "NCT06918197",
      "title": "Evaluation the Impact of the \"Pas\" Technique Versus the \"Standard\" Technique on Radiation Exposure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spine",
        "Fluoroscopy for Spine Surgery",
        "Back Pain",
        "Sacroiliac Joint"
      ],
      "interventions": [
        {
          "name": "PAS Technique",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard Technique",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Orthospine Advance Health, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 212,
      "start_date": "2023-10-01",
      "completion_date": "2024-05-15",
      "has_results": false,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-11-03T10:40:41.997Z",
      "location_count": 1,
      "location_summary": "Merced, California",
      "locations": [
        {
          "city": "Merced",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06918197"
    },
    {
      "nct_id": "NCT03638960",
      "title": "Interscalene Single Shot With Plain Bupivacaine Versus Liposomal Bupivacaine for Arthroscopic Shoulder Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Shoulder Pain",
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Bupivacaine liposome",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2019-02-21",
      "completion_date": "2023-06-06",
      "has_results": false,
      "last_update_posted_date": "2024-04-15",
      "last_synced_at": "2026-11-03T10:40:41.997Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03638960"
    },
    {
      "nct_id": "NCT05795413",
      "title": "Quality of Recovery From Mastectomy With and Without PECS Blocks",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Post Operative Pain",
        "Quality of Recovery After Mastectomy"
      ],
      "interventions": [
        {
          "name": "Mastectomy with PECS blocks",
          "type": "PROCEDURE"
        },
        {
          "name": "Liposomal bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Endeavor Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 90 Years · Female only"
      },
      "enrollment_count": 800,
      "start_date": "2023-04-25",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2025-10-23",
      "last_synced_at": "2026-11-03T10:40:41.997Z",
      "location_count": 1,
      "location_summary": "Evanston, Illinois",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05795413"
    },
    {
      "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": "2026-11-03T10:40:41.997Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01217580"
    }
  ]
}