{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pectoralis+block",
    "query": {
      "intervention": "Pectoralis block"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 26,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pectoralis+block&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T13:51:48.075Z",
  "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": "NCT03599635",
      "title": "Pec Infiltration With Liposomal Bupivacaine for Breast Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "liposomal bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 75 Years · Female only"
      },
      "enrollment_count": 112,
      "start_date": "2018-07-01",
      "completion_date": "2024-07-01",
      "has_results": true,
      "last_update_posted_date": "2025-12-11",
      "last_synced_at": "2026-09-06T13:51:48.075Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03599635"
    },
    {
      "nct_id": "NCT04474366",
      "title": "The Effect of Pectoral Blocks on Perioperative Pain in Gender Affirmation Top Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Gender Dysphoria",
        "Opioid Use",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Ropivacaine 0.2% Injectable Solution",
          "type": "DRUG"
        },
        {
          "name": "Saline (0.9%)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 50,
      "start_date": "2020-06-16",
      "completion_date": "2022-04-30",
      "has_results": true,
      "last_update_posted_date": "2023-07-03",
      "last_synced_at": "2026-09-06T13:51:48.075Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04474366"
    },
    {
      "nct_id": "NCT04282239",
      "title": "Pectoral Nerves Block to Relieve Post-sternotomy Pain After Cardiac Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Cardiac Surgery"
      ],
      "interventions": [
        {
          "name": "PECS2 block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine 0.5% Injectable Solution",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine Epinephrine",
          "type": "DRUG"
        },
        {
          "name": "Dexmedetomidine 0.004 MG/ML",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-03-01",
      "completion_date": "2022-07",
      "has_results": false,
      "last_update_posted_date": "2021-12-29",
      "last_synced_at": "2026-09-06T13:51:48.075Z",
      "location_count": 1,
      "location_summary": "Mineola, New York",
      "locations": [
        {
          "city": "Mineola",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04282239"
    },
    {
      "nct_id": "NCT03201809",
      "title": "Comparison of Preoperative Ultrasound Guided Pectoralis Nerve Block Placement Versus Intra-operative Placement: A Prospective Randomized Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-operative Pain"
      ],
      "interventions": [
        {
          "name": "On-Q",
          "type": "DEVICE"
        },
        {
          "name": "Ultrasound guided pectoral nerve block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2016-09-01",
      "completion_date": "2020-03-23",
      "has_results": true,
      "last_update_posted_date": "2021-10-15",
      "last_synced_at": "2026-09-06T13:51:48.075Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03201809"
    },
    {
      "nct_id": "NCT03143530",
      "title": "Effect of Pectoralis Block on Analgesia After Simple Mastectomy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Mastectomy",
        "Nerve Block",
        "Analgesia, Postoperative"
      ],
      "interventions": [
        {
          "name": "Pectoralis block",
          "type": "PROCEDURE"
        },
        {
          "name": "Normal saline injection",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Vanderbilt 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": 0,
      "start_date": "2017-12",
      "completion_date": "2019-04-01",
      "has_results": false,
      "last_update_posted_date": "2018-08-14",
      "last_synced_at": "2026-09-06T13:51:48.075Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03143530"
    },
    {
      "nct_id": "NCT03059498",
      "title": "PECS Block: Plasma Bupivacaine Level",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Nerve Blocks"
      ],
      "interventions": [
        {
          "name": "Unilateral PECS I and II block",
          "type": "PROCEDURE"
        },
        {
          "name": "Bilateral PECS I and II block",
          "type": "PROCEDURE"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": 20,
      "start_date": "2017-06-06",
      "completion_date": "2017-11-15",
      "has_results": false,
      "last_update_posted_date": "2021-10-15",
      "last_synced_at": "2026-09-06T13:51:48.075Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03059498"
    },
    {
      "nct_id": "NCT04985500",
      "title": "ESP/PIF for Sternotomy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cardiac Surgery",
        "Sternotomy"
      ],
      "interventions": [
        {
          "name": "ESP block",
          "type": "PROCEDURE"
        },
        {
          "name": "PIF block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Bupivacain",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 225,
      "start_date": "2021-07-09",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-09-06T13:51:48.075Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04985500"
    },
    {
      "nct_id": "NCT02913573",
      "title": "Effect of Pectoral Nerve Block on Post-op Pain in Patients Undergoing Mastectomy and Immediate Reconstruction",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Neoplasm"
      ],
      "interventions": [
        {
          "name": "Ultrasound",
          "type": "DEVICE"
        },
        {
          "name": "0.25% bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Huntington Memorial Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 85 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2016-09",
      "completion_date": "2019-03",
      "has_results": false,
      "last_update_posted_date": "2016-09-23",
      "last_synced_at": "2026-09-06T13:51:48.075Z",
      "location_count": 1,
      "location_summary": "Pasadena, California",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02913573"
    },
    {
      "nct_id": "NCT03656679",
      "title": "Paravertebral Versus Pectoralis Block for Post Mastectomy Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Post-Mastectomy Chronic Pain Syndrome",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Pectoralis Blockade (PECs)",
          "type": "PROCEDURE"
        },
        {
          "name": "Paravertebral Blockade",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2018-10-18",
      "completion_date": "2020-02-28",
      "has_results": false,
      "last_update_posted_date": "2021-05-03",
      "last_synced_at": "2026-09-06T13:51:48.075Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03656679"
    },
    {
      "nct_id": "NCT02741713",
      "title": "Analgesic Benefit of PECS Blocks for Biceps Tenodesis Shoulder Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Biceps Tendonitis"
      ],
      "interventions": [
        {
          "name": "PECS \"Pectoralis\" 1 and 2 Blocks",
          "type": "PROCEDURE"
        },
        {
          "name": "Interscalene Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Sham Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Solution for Injection in Interscalene Block",
          "type": "DRUG"
        },
        {
          "name": "Solution for Injection in Sham Block",
          "type": "DRUG"
        },
        {
          "name": "Solution for Injection PECS Blocks",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": 40,
      "start_date": "2016-04",
      "completion_date": "2017-06-29",
      "has_results": true,
      "last_update_posted_date": "2018-08-27",
      "last_synced_at": "2026-09-06T13:51:48.075Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02741713"
    }
  ]
}