Skip to main content
OpenTrials
Recruiting

NCT Number: NCT07666178

Continuous ESP Block in Patients Undergoing CABG Surgery.

This study addresses articles and studies related to the erector spinae plane (ESP) block and its technique, advantages and disadvantages, applicability, among others. It aims to provide more information about this block, which is relatively new, and how it can be explored in the anesthesiologist's routine, mainly inserted in the anesthesia scenario for cardiac surgery with a focus on postoperative analgesia.

Recruiting

Interested in participating?

Request Info

Key information

Conditions

Erector Spinae Plane Block Agnosia Bites and Stings Chemically-Induced Disorders Nervous System Diseases Neurobehavioral Manifestations Neurologic Manifestations Pathological Conditions, Signs and Symptoms Perceptual Disorders Poisoning Signs and Symptoms Wounds and Injuries

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

InCor

São Paulo, Brazil

Location status: Recruiting

About this study

All patients who meet the inclusion criteria will be submitted to ESP block after anesthetic induction. This will be performed with fentanyl (up to 5 micrograms/Kg), etomidate (2 milligrams/Kg) and cisatracurium at a dose of two DE95. Then the operator will perform the esp block, at the level of the fourth thoracic vertebra, being blinded as to the content of the solution, if local anesthetic (25 ml of 0.375% Ropivacaine in each side, respecting the toxic dose) or placebo (25 ml of 0.9% NaCl on each side). There will be randomization as to the inclusion in each group, using software. After puncture and infusion of the initial dose, a catheter (Contiplex C,Bbraun) will be inserted on each side, also under ultrasound guidance and connected to a patient-controlled analgesia pump (PCA), with a corresponding solution of ropivacaine or 0.9% NaCl programmed with a maintenance dose a 4ml / Hr and 06ml bolus with trigger. Anesthetic maintenance with halogenated (sevoflurane), cisatracurium in a continuous infusion pump (CIP) of 1-3 micrograms/Kg/min and if necessary remifentanil 0.1-0.3 microgram/Kg/min.

All patients will be submitted to the institution's standard management: multimodal analgesia with common analgesic (dipyrone 4 to 8 g / day or paracetamol 1500 to 2250 mg / day, tramadol 200 to 400 mg / day) in addition to rescue analgesia if necessary. (morphine 02 mg). PCA withdrawal will be on the fifth postoperative day .

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Consent to the free and informed consent term.
  • Patient undergoing coronary artery bypass graft surgery with cardiopulmonary bypass (CPB).
  • Preserved left ventricular global function (LVEF > 50%).

Exclusion criteria

  • Moderate or severe valvular dysfunction.
  • Previous anterior sternotomy.
  • Known allergy to the study drugs.
  • Complications during catheter insertion or block placement.
  • Pre-existing diagnosed chronic pain under treatment.
  • Concomitant use of drugs with a long half-life (induction and anesthetic maintenance doses will be standardized; patients taking medications with a long half-life are excluded to prevent bias in outcome assessment).
  • Concomitant administration of Magnesium Sulfate.

Treatment and study plan

Ropivacaine

Drug

Bilateral Erector Spinae Plane (ESP) block performed at the T4 level using 25 mL of 0.25% ropivacaine per side, followed by continuous postoperative patient-controlled regional analgesia (PCA) pump programmed with ropivacaine (maintenance rate of 4 mL/h, demand bolus of 6 mL).

Standard Postoperative Analgesics

Drug

Systemic multimodal analgesic regimen based on institutional protocols, consisting of scheduled and rescue oral and intravenous (IV) analgesics (such as dipyrone, NSAIDs, or opioids) as part of usual postoperative care.

Placebo (0.9% Sodium Chloride)

Drug

Inactive saline solution (25 mL of 0.9% NaCl per side) administered during a sham bilateral ESP block at the T4 level, followed by a continuous postoperative PCA pump infusion of 0.9% NaCl (maintenance rate of 4 mL/h, demand bolus of 6 mL) to serve as a comparator.

Primary outcomes

  1. Total morphine consumption

    Time frame: From surgery completion up to postoperative day 5

    Total cumulative consumption of morphine (measured in milligrams) recorded in the electronic medical record. All routes of administration (intravenous, patient-controlled analgesia pump, or oral) will be converted to intravenous morphine equivalents

Secondary outcomes

  1. Chronic pain scores at 30 days

    Time frame: 30 days after intervention.

    Assessment of chronic pain using the Brief Pain Inventory (BPI) scale.

  2. Chronic pain scores at 180 days

    Time frame: 180 days after intervention.

    Assessment of chronic pain using the Brief Pain Inventory (BPI) scale.

Study contacts

Contact information is provided by the study sponsor or research team.

JOAO ALBERTO PASTOR de OLIVEIRA, MD

CONTACT

[email protected]

+5511991700431

Sponsors and collaborators

Lead sponsor

Instituto do Coracao

Other Gov

Registry information

Official study title

Continuous Erector Spinea Plane Block in Patients Undergoing Coronary Artery By-pass Graft Surgery.

Important dates

Study start
2024
Primary completion
2027
Study completion
2027
First posted
Jun 24, 2026
Registry last updated
Jun 24, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Related clinical trials

Published trials that share one or more normalized conditions with this study.