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Coronary Artery Bypass Graft (CABG)BLOCKCABGNCT07587320

Multimodal Fascial Plane Block for Postoperative Analgesia in Isolated CABG Surgery

A study testing Multimodal Fascial Plane Block Package and Standard Postoperative Analgesia in people with Coronary Artery Bypass Graft (CABG) and Postoperative Pain, run by Saglik Bilimleri Universitesi at 1 site in Turkey (Türkiye).

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record

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Trial summary

Postoperative pain following coronary artery bypass grafting (CABG) via median sternotomy remains a significant clinical problem and is associated with increased opioid consumption and postoperative complications. Fascial plane blocks have emerged as part of multimodal analgesia strategies in cardiac surgery. Read more about this study

Who is it for?
Ages 18 to 80 years
What is being tested?
Multimodal Fascial Plane Block Package and Standard Postoperative Analgesia
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
88 participants
Where
1 siteTurkey (Türkiye)
Study dates
15 Feb 2026to 15 Sep 2026
Phase
Interventional

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 80 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age between 18 and 80 years
  • Scheduled for elective isolated coronary artery bypass grafting (CABG) with saphenous vein graft harvesting
  • ASA physical status II-IV
  • Ability to provide written informed consent

Who cannot join

  • Known coagulopathy or contraindication to regional anesthesia
  • Use of anticoagulant therapy precluding regional block
  • Known allergy to local anesthetics
  • Local infection at planned block sites
  • Chronic opioid use or chronic pain syndrome
  • Emergency surgery
  • Redo sternotomy
  • Severe neurological disorder affecting pain assessment

Trial locations and contacts

1 site in 1 country.

Turkey (Türkiye)1 site
  • University of Health Sciences, Diyarbakir Gazi Yasargil Training and Research Hospital

    Diyarbakır, Diyarbakır

Other trials in Turkey (Türkiye)

About this study

Official title: Effect of Induction-Time Multimodal Fascial Plane Block on Postoperative Analgesia and Opioid Consumption in Patients Undergoing Isolated Coronary Artery Bypass Grafting: A Prospective Randomized Controlled Trial

Postoperative pain following coronary artery bypass grafting (CABG) via median sternotomy remains a significant clinical problem and is associated with increased opioid consumption and postoperative complications. Fascial plane blocks have emerged as part of multimodal analgesia strategies in cardiac surgery.

This prospective, randomized, controlled, single-blinded study aims to evaluate the effect of an induction-time multimodal fascial plane block package-consisting of bilateral superficial parasternal block, bilateral serratus anterior plane block, and adductor canal block-on postoperative analgesia, opioid consumption, and clinical outcomes in patients undergoing elective isolated CABG with saphenous vein graft harvesting.

Patients will be randomized in a 1:1 ratio to receive either the multimodal fascial plane block package in addition to standard postoperative analgesia or standard postoperative analgesia alone. The primary outcome is total opioid consumption within the first 24 postoperative hours. Secondary outcomes include pain scores, time to first opioid requirement, extubation time, postoperative pulmonary complications, atrial fibrillation, and length of ICU and hospital stay.

Read the detailed description

Median sternotomy, chest drains, and saphenous vein graft harvesting are major contributors to postoperative pain following CABG surgery. Inadequate pain control may impair respiratory mechanics, delay mobilization, and increase postoperative morbidity. Multimodal analgesic approaches aim to reduce opioid requirements and improve recovery profiles.

This single-center, prospective, randomized controlled trial will include adult patients (18-80 years) scheduled for elective isolated CABG with saphenous vein graft harvesting. After written informed consent, eligible participants will be randomly assigned to either the intervention group or the control group.

The intervention group will receive ultrasound-guided bilateral superficial parasternal block, bilateral serratus anterior plane block, and adductor canal block following induction of general anesthesia and prior to surgical incision. The control group will receive standard perioperative analgesia without regional block. All other perioperative management will be standardized.

The primary endpoint is total opioid consumption within the first 24 hours postoperatively. Secondary endpoints include pain scores at predefined time points (6, 12, 24, and 48 hours), time to first opioid requirement, extubation time, incidence of postoperative pulmonary complications and atrial fibrillation, ICU length of stay, hospital length of stay, and time to first mobilization.

The study is designed to assess whether a multimodal fascial plane block strategy can improve postoperative analgesia and reduce opioid use in cardiac surgery patients.

Being tested
Multimodal Fascial Plane Block Package, Standard Postoperative Analgesia
Keywords
Parasternal Block, Serratus Anterior Plane Block, Adductor Canal Block, Opioid Consumption, Multimodal Analgesia, Randomized Controlled Trial, Cardiac Surgery, Fascial Plane Block, Coronary Artery Bypass Graft
Medical subject headings
Pain, Postoperative

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Multimodal Fascial Plane Block PackageProcedure or surgery

    Participants will receive ultrasound-guided bilateral superficial parasternal block, bilateral serratus anterior plane block, and adductor canal block after induction of general anesthesia and before surgical incision.

  • Standard Postoperative AnalgesiaOther

    Participants will receive standard institutional perioperative and postoperative analgesia without regional fascial plane block.

Study groups in NCT07587320
Study groupRoleWhat they receive
Multimodal Fascial Plane Block GroupExperimentalParticipants will receive a multimodal fascial plane block package consisting of bilateral superficial parasternal block, bilateral serratus anterior plane block, and adductor canal block following induction of general anesthesia and before surgical incision, in addition to standard perioperative analgesia.
Receives: Procedure: Multimodal Fascial Plane Block Package
Standard Analgesia GroupActive comparatorParticipants will receive standard perioperative and postoperative analgesia without regional fascial plane block intervention.
Receives: Other: Standard Postoperative Analgesia

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Total opioid consumption within the first 48 postoperative hours

    Total cumulative tramadol consumption (mg) during the first 48 hours following surgery.

    Measured: Through 48 hours after surgery

Secondary outcomes (3)
  1. Postoperative pain intensity scores

    Pain intensity measured using the Numeric Rating Scale (NRS; 0-10) at rest and during movement at predefined postoperative time points.

    Measured: At 6, 12, 24, and 48 hours after surgery

  2. Time to first rescue analgesic requirement

    Time from arrival to the intensive care unit to first rescue analgesic administration (hours).

    Measured: Within 48 hours after surgery

  3. Extubation time

    Time from arrival to the intensive care unit to successful tracheal extubation (hours).

    Measured: From ICU admission to extubation, assessed through 24 hours after surgery

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted14 May 2026
  2. Study start15 Feb 2026
  3. Primary completion30 Aug 2026
  4. Study completion15 Sep 2026

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
Participants will be randomized in a 1:1 ratio to receive either a multimodal fascial plane block package or standard perioperative analgesia without regional block. Randomization will be performed using a computer-generated sequence. The two groups will be followed in parallel.
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
88 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07587320
Sponsor's protocol ID
GY-CABG-2026
Acronym
BLOCKCABG
Status last verified
Oct 2026
First submitted
14 Feb 2026
Last updated
6 Oct 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No: Individual participant data will not be publicly shared due to institutional and privacy restrictions.

Publications

  • Kalli A, Vistbacka J, Moilanen E, Jarvela K, Mennander A. Superficial Parasternal Intercostal Plane Block and Full Sternotomy; A Randomized Trial. Eur J Cardiothorac Surg. 2025 Jul 1;67(7):ezaf226. doi: 10.1093/ejcts/ezaf226.

    PubMed 40627369
  • Zhang J, Luo F, Zhang X, Xue Y. Ultrasound-Guided Continuous Parasternal Intercostal Block Relieves Postoperative Pain After Open Cardiac Surgery: A Case Series. J Cardiothorac Vasc Anesth. 2022 Jul;36(7):2051-2054. doi: 10.1053/j.jvca.2021.05.028. Epub 2021 May 21.

    PubMed 34183252
  • Zengin EN, Yigit H, Cobas M, Salman N, Asli Demir Z. The analgesic effects of combined bilateral parasternal block and serratus anterior plane block for coronary artery bypass grafting surgery. BMC Anesthesiol. 2024 Aug 5;24(1):274. doi: 10.1186/s12871-024-02659-7.

    PubMed 39103782

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