NCT05984160

Brief Summary

Surgical treatment is the most effective way to achieve effective and sustainable weight loss in patients with obesity and to improve the comorbidities caused by it. Although minimally invasive bariatric surgical procedures are applied today, postoperative pain is one of the most basic problems. Opioid-derived drugs used for pain control cause respiratory depression and constipation. Enhanced Recovery After Surgery (ERAS) protocols recommend reducing opioid use after bariatric surgery to help patients have a healthier postoperative period. Different methods such as transversus abdominis plane (TAP) block and erector spinae plane (ESP) block are used to reduce the postoperative opioid dose and for effective pain control. While these methods are effective in controlling somatic pain, they have no effect on visceral pain. It has been shown that patients' pain and opioid consumption decrease especially after celiac plexus block. Vagal and sympathetic afferent stimuli from the gastrointestinal tract, on the other hand, stimulate the vomiting center and cause nausea and vomiting. Paragastric neural block is a new method performed by injecting local anesthetic into the posterosuperior paragastric area in the area covering the left gastric artery by revealing the esophagogastric junction, proximal stomach, middle of the stomach, distal antrum, hepatoduodenal ligament and stomach posterior along the border of the lesser omentum. In this way, it is aimed to prevent both visceral pain and the symptoms of nausea and vomiting. In our study, the investigators aimed to evaluate the efficacy and safety of paragastric nerve block applied during laparoscopic sleeve gastrectomy by comparing it with the control group.

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
90

participants targeted

Target at P50-P75 for not_applicable obesity

Timeline
Completed

Started May 2023

Shorter than P25 for not_applicable obesity

Geographic Reach
1 country

1 active site

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

May 9, 2023

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

July 18, 2023

Completed
14 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2023

Completed
8 days until next milestone

First Posted

Study publicly available on registry

August 9, 2023

Completed
1 day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 10, 2023

Completed
Last Updated

August 9, 2023

Status Verified

July 1, 2023

Enrollment Period

3 months

First QC Date

July 18, 2023

Last Update Submit

July 31, 2023

Conditions

Keywords

ObesityPost operative painPain blockSleeve gastrectomy

Outcome Measures

Primary Outcomes (2)

  • Postoperative pain

    The investigators used visual analog scale. Minimum value 0 (means no pain), maximum values 10 (means worst pain ever).

    In first 24 hours

  • Postoperative nause and vomiting

    The investigators used Post operative nause and vomiting impact scale. Minimum value 0, maximum values 6. Total score \>4 defines clinically important postoperative nause and vomiting.

    In first 24 hours

Secondary Outcomes (16)

  • First Rescue analgesia

    In first 24 hours

  • Second Rescue analgesia

    In first 24 hours

  • Rescue antiemetic

    In first 24 hours

  • Time to rescue antiemetic

    In first 24 hours

  • Time to first rescue analgesia

    In first 24 hours

  • +11 more secondary outcomes

Study Arms (2)

Paragastric neural block

ACTIVE COMPARATOR

Patients who were operated for sleeve gastrectomy were included in the study. Afterwards, they were divided into two groups. While pragastric neural block was applied to one group, no intervention was made to the other group.

Other: Paragastric neural block

Control

NO INTERVENTION

Control grup

Interventions

A block method used to control patients' symptoms of pain, nausea and vomiting after surgery.

Paragastric neural block

Eligibility Criteria

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

You may qualify if:

  • Body mass index of over 35 and an obesity-related comorbidity,
  • Body mass index of over 40,
  • Patients who underwent laparoscopic sleeve gastrectomy,
  • ASA risk score of 2-3,
  • Agreed to be included in the study.

You may not qualify if:

  • Chronic pain disorder or using gabapentin,
  • Opioid addicts,
  • Using anticoagulant drugs,
  • History of previous upper gastrointestinal system surgery,
  • Surgical complications during or after surgery,
  • Hepatic or renal failure,
  • Moderate or severe cardiovascular or respiratory disease,
  • Allergy to the local anesthetic agent to be applied for the block,
  • Limited cooperation,
  • More than one surgical intervention in the same session,
  • Allergy to the drugs to be used in the postoperative treatment protocol.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Atlas university

Istanbul, Turkey (Türkiye)

Location

Related Publications (10)

  • Peeters A, Barendregt JJ, Willekens F, Mackenbach JP, Al Mamun A, Bonneux L; NEDCOM, the Netherlands Epidemiology and Demography Compression of Morbidity Research Group. Obesity in adulthood and its consequences for life expectancy: a life-table analysis. Ann Intern Med. 2003 Jan 7;138(1):24-32. doi: 10.7326/0003-4819-138-1-200301070-00008.

    PMID: 12513041BACKGROUND
  • Arterburn DE, Olsen MK, Smith VA, Livingston EH, Van Scoyoc L, Yancy WS Jr, Eid G, Weidenbacher H, Maciejewski ML. Association between bariatric surgery and long-term survival. JAMA. 2015 Jan 6;313(1):62-70. doi: 10.1001/jama.2014.16968.

    PMID: 25562267BACKGROUND
  • Liu JJ, Brenner DM. Opioid-Related Constipation. Gastroenterol Clin North Am. 2022 Mar;51(1):107-121. doi: 10.1016/j.gtc.2021.10.007. Epub 2022 Jan 8.

    PMID: 35135657BACKGROUND
  • Budiansky AS, Margarson MP, Eipe N. Acute pain management in morbid obesity - an evidence based clinical update. Surg Obes Relat Dis. 2017 Mar;13(3):523-532. doi: 10.1016/j.soard.2016.09.013. Epub 2016 Sep 19.

    PMID: 27771314BACKGROUND
  • Stenberg E, Dos Reis Falcao LF, O'Kane M, Liem R, Pournaras DJ, Salminen P, Urman RD, Wadhwa A, Gustafsson UO, Thorell A. Guidelines for Perioperative Care in Bariatric Surgery: Enhanced Recovery After Surgery (ERAS) Society Recommendations: A 2021 Update. World J Surg. 2022 Apr;46(4):729-751. doi: 10.1007/s00268-021-06394-9. Epub 2022 Jan 4.

    PMID: 34984504BACKGROUND
  • Emile SH, Abdel-Razik MA, Elbahrawy K, Elshobaky A, Shalaby M, Elbaz SA, Gado WA, Elbanna HG. Impact of Ultrasound-Guided Transversus Abdominis Plane Block on Postoperative Pain and Early Outcome After Laparoscopic Bariatric Surgery: a Randomized Double-Blinded Controlled Trial. Obes Surg. 2019 May;29(5):1534-1541. doi: 10.1007/s11695-019-03720-y.

    PMID: 30706309BACKGROUND
  • Zengin SU, Ergun MO, Gunal O. Effect of Ultrasound-Guided Erector Spinae Plane Block on Postoperative Pain and Intraoperative Opioid Consumption in Bariatric Surgery. Obes Surg. 2021 Dec;31(12):5176-5182. doi: 10.1007/s11695-021-05681-7. Epub 2021 Aug 27.

    PMID: 34449029BACKGROUND
  • Daes J, Morrell DJ, Hanssen A, Caballero M, Luque E, Pantoja R, Luquetta J, Pauli EM. Paragastric Autonomic Neural Blockade to Prevent Early Visceral Pain and Associated Symptoms After Laparoscopic Sleeve Gastrectomy: a Randomized Clinical Trial. Obes Surg. 2022 Nov;32(11):3551-3560. doi: 10.1007/s11695-022-06257-9. Epub 2022 Sep 2.

    PMID: 36050617BACKGROUND
  • Kambadakone A, Thabet A, Gervais DA, Mueller PR, Arellano RS. CT-guided celiac plexus neurolysis: a review of anatomy, indications, technique, and tips for successful treatment. Radiographics. 2011 Oct;31(6):1599-621. doi: 10.1148/rg.316115526.

    PMID: 21997984BACKGROUND
  • Rana MV, Candido KD, Raja O, Knezevic NN. Celiac plexus block in the management of chronic abdominal pain. Curr Pain Headache Rep. 2014 Feb;18(2):394. doi: 10.1007/s11916-013-0394-z.

    PMID: 24414338BACKGROUND

MeSH Terms

Conditions

ObesityPain, Postoperative

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsPostoperative ComplicationsPathologic ProcessesPainNeurologic Manifestations

Study Officials

  • Mehmet K Katar, Assoc.Prof.

    Atlas University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Randomization was performed by a general surgeon who would not be present during the block procedure. Patients were numbered sequentially according to the randomization scheme. Patient numbers were recorded in the follow-up files. Evaluation of the postoperative results was done by a general surgeon who was unaware of the group distributions. Since both the patients and the general surgeon who will make the evaluation did not know whether the block procedure was applied or not, the study was performed as double-blind.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: The patients were divided into two groups as perigastric neural block and control group.
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 18, 2023

First Posted

August 9, 2023

Study Start

May 9, 2023

Primary Completion

August 1, 2023

Study Completion

August 10, 2023

Last Updated

August 9, 2023

Record last verified: 2023-07

Data Sharing

IPD Sharing
Will share

Data will be shared after the article is published.

Shared Documents
STUDY PROTOCOL, SAP, ICF
Time Frame
Start after the publication.
Access Criteria
All results of working can be shared with researchers after the study is published.

Locations