NCT05016180

Brief Summary

Purpose: To explore and compare Ultrasound-Guided Transversus Abdominis Plane Block on Postoperative nausea and vomiting and Early Outcome After Laparoscopic Bariatric Surgery To evaluate and examine TAPB can reduce the application of intraoperative and postoperative opioids and the duration of analgesia

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
120

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Sep 2020

Shorter than P25 for phase_2

Geographic Reach
1 country

2 active sites

Status
unknown

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

Study Start

First participant enrolled

September 25, 2020

Completed
9 months until next milestone

First Submitted

Initial submission to the registry

June 30, 2021

Completed
2 months until next milestone

First Posted

Study publicly available on registry

August 23, 2021

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 26, 2021

Completed
29 days until next milestone

Study Completion

Last participant's last visit for all outcomes

December 25, 2021

Completed
Last Updated

August 23, 2021

Status Verified

August 1, 2021

Enrollment Period

1.2 years

First QC Date

June 30, 2021

Last Update Submit

August 16, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Postoperative nausea and vomiting

    Postoperative nausea and vomiting

    72 hours after surgery

Secondary Outcomes (4)

  • Cumulative Sufentanyl Consumption

    24 hours after surgery

  • Time of First Postoperative Analgesic Requirement

    1 hour after surgery

  • Occurrence of Side Effects

    24 hours after surgery

  • Total Dose of First Postoperative Analgesic Requirement

    1 hour after surgery

Study Arms (2)

Normal Saline

PLACEBO COMPARATOR

Before the induction of anesthesia, normal saline is used for bilateral transversus abdominis plane block in a volume of 20 mL of each side

Drug: Ropivacaine

Ropivacaine

EXPERIMENTAL

Before the induction of anesthesia, Ropivacaine is used for bilateral transversus abdominis plane block in a volume of 20 mL of each side

Drug: Ropivacaine

Interventions

Before the induction of anesthesia, ropivacaine is used for bilateral transversus abdominis plane block in a volume of 20 mL of each side

Normal SalineRopivacaine

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Subject is scheduled to undergo Laparoscopic Bariatric Surgery
  • Subject's American Society of Anesthesiologists physical status is I-III.
  • BMI\>35kg/m2
  • The subject's parent/legally authorized guardian has given written informed consent to participate

You may not qualify if:

  • Subject has a diagnosis of renal or liver failure.
  • Subject has a diagnosis of mental illness
  • Subject is allergy and contraindication to Ropivacaine.
  • Subject has a history of chronic pain, a history of alcohol or opioid abuse, pre-existing therapy with opioids, intake of any analgesic drug within 48 hours before surgery.
  • Subject has any contraindication for the use of patient-controlled analgesia (PCA).
  • Subject is pregnant or breast-feeding.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Tianjin Medical University General Hospital

Tianjin, Tianjin Municipality, 300052, China

RECRUITING

Zhen Jia

Tianjin, Tianjin Municipality, China

RECRUITING

MeSH Terms

Conditions

NauseaVomiting

Interventions

Ropivacaine

Condition Hierarchy (Ancestors)

Signs and Symptoms, DigestiveSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

AnilidesAmidesOrganic ChemicalsAniline CompoundsAmines

Study Officials

  • Guolin Wang, MD

    Tianjin Medical University General Hospital

    STUDY DIRECTOR

Central Study Contacts

Zhen Jia, MD

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

June 30, 2021

First Posted

August 23, 2021

Study Start

September 25, 2020

Primary Completion

November 26, 2021

Study Completion

December 25, 2021

Last Updated

August 23, 2021

Record last verified: 2021-08

Locations