NCT03743194

Brief Summary

The overall research plan is PECS/SAP blocks with liposomal bupivacaine improve the Overall Benefit Analgesia Score averaged over the postoperative days 1, 2, and 3. A 20% reduction on geometric means (i.e., true ratio of geometric means of 0.80) in OBAS will be considered the minimal clinically important benefit.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
210

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Dec 2021

Shorter than P25 for phase_4

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 31, 2018

Completed
16 days until next milestone

First Posted

Study publicly available on registry

November 16, 2018

Completed
3.1 years until next milestone

Study Start

First participant enrolled

December 14, 2021

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 28, 2022

Completed
14 days until next milestone

Study Completion

Last participant's last visit for all outcomes

March 14, 2022

Completed
1.8 years until next milestone

Results Posted

Study results publicly available

December 29, 2023

Completed
Last Updated

October 23, 2025

Status Verified

September 1, 2025

Enrollment Period

3 months

First QC Date

October 31, 2018

Results QC Date

August 30, 2023

Last Update Submit

September 30, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Overall Benefit Analgesia Score

    Our primary outcome, Overall Benefit Analgesia Score (OBAS), was measured daily by investigators blinded to treatment on postoperative Days 1 to 3.Potential scores of the seven-item questionnaire ranged from 0 to 28 points. Higher scores means worse conditions.

    Postoperative day 1-3

Secondary Outcomes (4)

  • Cumulative Opioid Consumption Over Postoperative 3 Days

    72 hours postoperative

  • Postoperative FEV1

    Postoperatively day 1 -3

  • Postoperative FVC

    Postoperative day 1 -3

  • Postoperative Peak Flow

    Postoperative day 1-3

Study Arms (2)

Bupi HCl plus liposomal bupi

ACTIVE COMPARATOR

Pectoral fascial plane or serratus anterior plane blocks (PECSII/SAP blocks) with bupivacaine HCl plus liposomal bupivacaine. An ultrasound guided pectoral fascial plane blocks (PECS I and II blocks) and Serratus anterior plane (SAP) block with injection of the local anesthetic.

Drug: Exparel 266 MG Per 20 ML InjectionDrug: Placebo

Control Group

PLACEBO COMPARATOR

Standard parenteral analgesia technique with or without incisional local anesthetic infiltration: patients randomized to control group will be given parenteral opioids (such as fentanyl or hydromorphone) until they are converted to the enteral medications such as Percocet.

Drug: Placebo

Interventions

The local anesthetic (LA) used for the PECS II or serratus plane blocks will be a 0.5% bupivacaine HCL, not to exceed 2.5mg/kg or up to 150mg. The LA solution can be diluted with preservative free normal saline for smaller patients to allow for appropriate volume of injection. Treatment patients will also be given liposomal bupivacaine (EXPAREL, Pacira Pharmaceuticals, Inc. San Diego, CA) in a dose of 266 mg in 20 ml can be safely combined with bupivacaine HCL at a ratio not exceeding 2:1, but cannot be combined with other local anesthetics due to the concern of rapid release of encapsulated bupivacaine and subsequent local anesthetic toxicity.

Also known as: Pectoralis and Serratus Muscle Blocks
Bupi HCl plus liposomal bupi

Patients randomized to standard analgesia technique will be given pain medications.

Also known as: Standard analgesia technique (control, NO PECS /SAP blocks)
Bupi HCl plus liposomal bupiControl Group

Eligibility Criteria

Age18 Years - 85 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • years old;
  • Elective minimally invasive robotically-assisted mitral valve repair via anterolateral thoracotomy

You may not qualify if:

  • Weight less than 50 kg;
  • Pregnancy or lactation;
  • Emergency surgery and patients transferred from the ICU to the operating room;
  • Redo cardiothoracic surgery or post-operative reoperation within 72 hours of index procedure (including minor chest wall procedures including tube thoracostomy, thoracentesis or percutaneous drain placement);
  • Anticipated endotracheal intubation \> 24 hours;
  • Anticipated non-study nerve block that provides analgesia to the intercostal nerves;
  • Active systemic or cardiopulmonary infection;
  • Mechanical circulatory support;
  • Allergy or contraindication to study local anesthetics;
  • Current chronic pain or routine opioid use (patients on chronic enteral opioids like Percocet or Vicodin) in a dose of \> 30 mg of morphine-milligram-equivalents for at least 10 days in last 30 days;
  • Poorly controlled psychiatric disorders;
  • Clinically important current neurologic deficit;
  • Active liver disease or cirrhosis;
  • Pacemaker generator or breast implants ipsilateral to surgery;
  • Previous participation in this study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The Cleveland Clinic Foundation

Cleveland, Ohio, 44195, United States

Location

Related Publications (1)

  • Alfirevic A, Marciniak D, Duncan AE, Kelava M, Yalcin EK, Hamadnalla H, Pu X, Sessler DI, Bauer A, Hargrave J, Bustamante S, Gillinov M, Wierup P, Burns DJP, Lam L, Turan A. Serratus anterior and pectoralis plane blocks for robotically assisted mitral valve repair: a randomised clinical trial. Br J Anaesth. 2023 Jun;130(6):786-794. doi: 10.1016/j.bja.2023.02.038. Epub 2023 Apr 11.

MeSH Terms

Interventions

Injections

Intervention Hierarchy (Ancestors)

Drug Administration RoutesDrug TherapyTherapeutics

Results Point of Contact

Title
Xuan Pu
Organization
The Cleveland Clinic Foundation

Study Officials

  • Andrej Alfirevic, MD

    The Cleveland Clinic

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 31, 2018

First Posted

November 16, 2018

Study Start

December 14, 2021

Primary Completion

February 28, 2022

Study Completion

March 14, 2022

Last Updated

October 23, 2025

Results First Posted

December 29, 2023

Record last verified: 2025-09

Locations