Completed

IMPROVE-IRA Pain Relief Trial Utilizing the Infiltration of a Multivesicular Liposome Formulation Of BupiVacaine, EXPAREL®: A Phase 4 Health Economic Trial in Adult Patients Undergoing Ileostomy Reversal

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What is being tested

IV morphine sulfate or Sponsor-approved equivalent

+ EXPAREL

Drug
Who is being recruted

Over 18 Years
See all eligibility criteria
How is the trial designed

Services Research Study

Phase 4
Interventional
Study Start: January 2012
See protocol details

Summary

Principal SponsorPacira Pharmaceuticals, Inc
Last updated: January 27, 2026
Sourced from a government-validated database.Claim as a partner

Study start date: January 1, 2012

Actual date on which the first participant was enrolled.

This is a phase 4, prospective, sequential, open-label study designed to evaluate the efficacy, safety, and health economic benefits of intraoperative local wound infiltration with EXPAREL (bupivacaine liposome injectable suspension) compared with postsurgical administration of standardized intravenous (IV) morphine sulfate for postsurgical analgesia in adult patients undergoing ileostomy reversal with general anesthesia.

Official TitleA Pain Relief Trial Utilizing the Infiltration of a Multivesicular Liposome Formulation Of BupiVacaine, EXPAREL®: A Phase 4 Health Economic Trial in Adult Patients Undergoing Ileostomy Reversal
NCT01509807
Principal SponsorPacira Pharmaceuticals, Inc
Last updated: January 27, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

33 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Services Research Study

These studies look at how healthcare is delivered, managed, and organized. They aim to improve care quality, patient experience, and access to treatment.



Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

Over 18 Years

Range of ages for which participants are eligible to join.

Healthy volunteers not allowed

If individuals who are healthy and do not have the condition being studied can participate.

Criteria

Inclusion Criteria: * Male or female, 18 years of age and older * Patients scheduled to undergo ileostomy reversal * Ability to provide informed consent, adhere to study visit schedule, and complete all assessments. Exclusion Criteria: * Patients with a history of hypersensitivity or idiosyncratic reactions or intolerance to any local anesthetic, opioid, or propofol. * Patients who abuse alcohol or other drug substance. * Patients with severe hepatic impairment. * Patients currently pregnant or who may become pregnant during the course of the study or who are unwilling to use acceptable means of contraception for at lest one month before and one month after dosing. * Patients with any psychiatric, psychological, or other condition that the Investigator feels may make the patient an inappropriate candidate for this clinical study. * Patients who have participated in an EXPAREL study within the last 30 days. * Patients who have received an investigational drug within 30 days prior to study drug administration, or planned administration of another investigational product or procedure during the patient's participation in this study. In addition, the patient will be ineligible if he/she meets the following criteria during surgery: * Patients who have any concurrent surgical procedure. * Patients who receive intraoperative administration of opioids (other than fentanyl or analogs) or any other analgesic, local anesthetics, or anti-inflammatory agents. * Patients who receive Entereg(R).

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Treatment Groups
Study Objectives

2 intervention groups are designated in this study

This study does not include a placebo group 

Treatment Groups

Group I

Active Comparator
IV morphine sulfate (or Sponsor-approved equivalent), Standard of Care (SOC)

Group II

Experimental
EXPAREL (bupivacaine liposome injectable suspension)

Study Objectives

Primary Objectives

Secondary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 3 locations

Suspended

University of Arizona College of Medicine

Tucson, United StatesOpen University of Arizona College of Medicine in Google Maps
Suspended

Florida Hospital d/b/a Colon & Rectal Surgery Center

Orlando, United States
Suspended

University of South Florida

Tampa, United States
Completed3 Study Centers