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EOIFP Block Versus OSTAP Block for Upper Abdominal Surgery

NCT06409156 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 100

Last updated 2026-03-18

No results posted yet for this study

Summary

The investigators propose a single-center, assessor blinded, randomized control trial to compare the efficacy of external oblique fascial plane (EOIFP) block versus Oblique Subcostal Transversus Abdominis Plane (OSTAP) block for patients undergoing open upper abdominal surgery at Cleveland Clinic Main Campus.

Conditions

  • Open Abdominal Surgery

Interventions

PROCEDURE

Oblique Subcostal Transversus Abdominis Plane Block

With the OSTAP block, local anesthetic is injected into the fascial plane between the posterior rectus sheath and the transversus abdominis muscle beneath the subcostal margin.

PROCEDURE

External Oblique Intercostal Fascial Plane block

With the EOIF block, local anesthetic targets the terminal part of the thoracoabdominal nerves pass behind the costal cartilage and continue anteriorly in the plane between the internal oblique and transversus abdominis muscle, before piercing the rectus abdominis sheath as anterior cutaneous branches supplying the skin of the midabdomen.

Sponsors & Collaborators

  • The Cleveland Clinic

    lead OTHER

Principal Investigators

  • Ehab Farag, MD · The Cleveland Clinic

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2024-06-26
Primary Completion
2026-12-31
Completion
2026-12-31

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06409156 on ClinicalTrials.gov