{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serratus+anterior+block&page=2",
    "query": {
      "intervention": "Serratus anterior block",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 31,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serratus+anterior+block&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serratus+anterior+block&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T14:16:08.396Z",
  "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": "NCT04238455",
      "title": "Ultrasound-Guided Serratus Anterior Plane Block for Additional Pain Relief After Lung Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Thoracic Surgery"
      ],
      "interventions": [
        {
          "name": "Sham serratus anterior plane block",
          "type": "PROCEDURE"
        },
        {
          "name": "Serratus anterior plane block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 93,
      "start_date": "2020-01-22",
      "completion_date": "2024-11-15",
      "has_results": false,
      "last_update_posted_date": "2024-11-20",
      "last_synced_at": "2026-10-06T14:16:08.396Z",
      "location_count": 6,
      "location_summary": "Middletown, New Jersey • Montvale, New Jersey • Commack, New York + 3 more",
      "locations": [
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04238455"
    },
    {
      "nct_id": "NCT04258436",
      "title": "Serratus Anterior Plane Block for Management of Post Thoracotomy Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use",
        "Post-thoracotomy Pain Syndrome",
        "Local Anaesthetic Agent Overdose",
        "Local Anesthetic Complication",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Serratus anterior block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "38 Weeks",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "38 Weeks to 12 Months"
      },
      "enrollment_count": 1,
      "start_date": "2019-12-09",
      "completion_date": "2021-01-01",
      "has_results": false,
      "last_update_posted_date": "2023-06-18",
      "last_synced_at": "2026-10-06T14:16:08.396Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04258436"
    },
    {
      "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": "2026-10-06T14:16:08.396Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04474366"
    },
    {
      "nct_id": "NCT04016376",
      "title": "Study of Nerve Block Pain Management in Patients Undergoing a Double Mastectomy With Immediate Reconstruction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Cancer",
        "Breast Cancer Female"
      ],
      "interventions": [
        {
          "name": "PVB Protocol",
          "type": "DRUG"
        },
        {
          "name": "PECS-1",
          "type": "DRUG"
        },
        {
          "name": "Serratus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 1507,
      "start_date": "2019-07-05",
      "completion_date": "2026-02-25",
      "has_results": true,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-06T14:16:08.396Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04016376"
    },
    {
      "nct_id": "NCT02822196",
      "title": "Serratus Anterior Muscle Plane Block vsThoracic Paravertebral Block For Unilateral Mastectomies",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Cancer",
        "Mastectomy",
        "Regional Anesthesia",
        "Post Operative Pain"
      ],
      "interventions": [
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2018-12",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2020-09-16",
      "last_synced_at": "2026-10-06T14:16:08.396Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02822196"
    },
    {
      "nct_id": "NCT03797924",
      "title": "Intercostobrachial Nerve Block (ICBN) for Tourniquet Pain: Is it Necessary?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Nerve Block",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Receive ICBN with ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "No ICBN block",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "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": 46,
      "start_date": "2019-04-25",
      "completion_date": "2021-12-13",
      "has_results": false,
      "last_update_posted_date": "2022-05-24",
      "last_synced_at": "2026-10-06T14:16:08.396Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03797924"
    },
    {
      "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": "2026-10-06T14:16:08.396Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03143530"
    },
    {
      "nct_id": "NCT07527039",
      "title": "Pectoral Block in Breast Reduction for Pain Control",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Macromastia (Symptomatic)"
      ],
      "interventions": [
        {
          "name": "Pectoral II Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Post Operative Pain Relievers",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Carilion Clinic",
      "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": 80,
      "start_date": "2026-04-01",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-10-06T14:16:08.396Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07527039"
    },
    {
      "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": "2026-10-06T14:16:08.396Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04742309"
    },
    {
      "nct_id": "NCT07032766",
      "title": "Assessment of Morbidity and Mortality Following Serratus Anterior Plane Block (SAPB) for Unilateral Rib Fractures",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain Management",
        "Rib Fracture Multiple",
        "Serratus Anterior Plane Block"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Albert Einstein College 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": 220,
      "start_date": "2025-08-10",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-06T14:16:08.396Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07032766"
    }
  ]
}