View older revisions Content changed at 2023-02-16, 1401/11/27

Protocol summary

Study aim
The main is evaluation the pain-preventive effects of different surgical methods in post op pain of LC .also ، their effect will be evaluated inpatients’ hospital stay duration ،analgesic consumption after surgery and patients’ performance of daily,
Design
This study is a four-arm parallel, standard-controlled, and double-blinded randomized clinical trial. blinded outcome assure and patients .
Settings and conduct
This is a study in minimally invasive surgery field. it will be done in Namazi and Hafez Shiraz' hospital.patiens allocated into four group ،after receive defined intervention ، we start to gathering data. it' s notable that panties ،data collector ans data assure will be blinded to allocation .
Participants/Inclusion and exclusion criteria
Eligible participants will be females، candidates of elective LC. are healthy otherwise, have ASA score I OR II, and Body Mass Index ۱۸.۵-۳۰, patients that have a pain catastrophizing scale >۳۰ or unable to speak Persian or currently taking opioids, and had previous hepatobiliary surgery are not eligible for the study .
Intervention groups
Controlled group :taking standard protocols of LC ،without any excess intervention. group II: low intra abdominal CO2 pressure (12mmhg) but this pressure in the other groups will regulated on 15 mmHg . group III: will receive ۳۰ mg IV ketorolac during surgery group IV:receive local intra-peritoneal concoction of bupivacaine ۲۰ mg and dexamethasone ۸ mg on the site of removing gall bladder.
Main outcome variables
The effect of different interventions in pain prevention، dose of analgesic that needed after surgery ،duration of hospitalization and daily performance .

General information

Reason for update
change in number of participation and randomization method .
Acronym
IRCT registration information
IRCT registration number: IRCT20221129056662N1
Registration date: 2022-12-13, 1401/09/22
Registration timing: prospective

Last update: 2023-02-16, 1401/11/27
Update count: 1
Registration date
2022-12-13, 1401/09/22
Registrant information
Name
Halimeh Gohareyan
Name of organization / entity
Country
Iran (Islamic Republic of)
Phone
+98 71 5322 0974
Email address
halimehg1378@gmail.com
Recruitment status
Recruitment complete
Funding source
Expected recruitment start date
2022-12-14, 1401/09/23
Expected recruitment end date
2023-03-21, 1402/01/01
Actual recruitment start date
empty
Actual recruitment end date
empty
Trial completion date
empty
Scientific title
Pain preventive effects of different surgical techniques (low-pressure laparoscopy, intra operative ketorolac, and local bupivacaine administration) in female undergoing laparoscopic cholecystectomy.
Public title
Evaluation the pain prevention effect of different surgical techniques in laparoscopic cholecystectomy .
Purpose
Treatment
Inclusion/Exclusion criteria
Inclusion criteria:
Pt should be female . Age 18 - 65 BMI 18/5 - 30 ASA score I or II Score that received from pain catastrophizing questionnaire should be less than 30 . Patient should be without any underlying disease . Patient should be interested to participate in the study and complete the informed consent .
Exclusion criteria:
Patient is a smoker . Patient take opium or opium component recently . Enable to speak in Persian . emergency surgery . Previous history of hepatobiliary surgery . Age less than 18 or more than 65 . patients that is male . Body mass index less than 18/5 or more than 30 . Patients with underlying disease like HTN ، DM and other . Patients with chronic diseases like liver failure ، renal failure ، respiratory disease ، heart problem and other . Addiction to tobacco or alcohol . Addiction to special drug .
Age
From 18 years old to 65 years old
Gender
Female
Phase
3
Groups that have been masked
  • Participant
  • Outcome assessor
Sample size
Target sample size: 120
Randomization (investigator's opinion)
Randomized
Randomization description
Patients will randomly be divided into four groups, The randomization will be done by an independent external researcher .Randomization will be done by Excel .
Blinding (investigator's opinion)
Double blinded
Blinding description
After takking informed consent, patients are randomly allocated into four groups . patients wont be informed about allocation . data collector and data assessor are unaware of allocation . Only the surgeon knows allocation .
Placebo
Not used
Assignment
Parallel
Other design features
This is a double blinded RCT .

Secondary Ids

empty

Ethics committees

1

Ethics committee
Name of ethics committee
Ethics committee of Shiraz University of Medical Sciences
Street address
iImam Hossein Sqe . Medical science university
City
Shiraz
Province
Fars
Postal code
7134845794
Approval date
2022-12-04, 1401/09/13
Ethics committee reference number
IR.SUMS.MED.REC.1401.496

Health conditions studied

1

Description of health condition studied
laparoscopic cholecystectomy
ICD-10 code
ICD-10 code description

Primary outcomes

1

Description
This study is designed to evaluate the effect of pain prevention effect of different surgical technique in post op pain of laparoscopic cholecystectomy. these effects will be evaluated according to score that patients get from pain questionnaire .
Timepoint
patients complete the pain questionnaire in first follow up visit. this is 7 days after discharging from hospital .
Method of measurement
pain questionnaire

2

Description
patient ' s daily performance
Timepoint
patients completed daily performance questionnaire at the first follow up visit . this visit will be 7 days after discharging .
Method of measurement
daily performance questionnaire

Secondary outcomes

1

Description
dose of analgesic
Timepoint
during discharge from hospital .
Method of measurement
physician 's order that prescribed during hospitalization .

Intervention groups

1

Description
Intervention group: All the participants in this trial will go under laparoscopy with Co۲ pressure of ۱۵ mmHg except this group. This experimental group will experience a ۱۲ mmHg intra-abdominal CO۲ pressure .
Category
Treatment - Surgery

2

Description
Intervention group: The patients who would be allocated in this group will receive a concoction of bupivacaine ۲۰ mg( local anesthesia ) and dexamethasone ۸ mg. mixture will be rubbed on the site of the removed gall bladder before the termination of the operation.
Category
Treatment - Drugs

3

Description
Intervention group: Participants in this group will receive a single ۳۰ mg IV ketorolac just before the surgery ends.
Category
Treatment - Drugs

4

Description
Control group: these patients will get standard protocol of laparoscopic surgery . all of participators will under go laparoscopic cholecystectomy with four-port technique .
Category
N/A

Recruitment centers

1

Recruitment center
Name of recruitment center
Namazi hospitl
Full name of responsible person
Hosseinie - Babak
Street address
Namazi Sq ، District 1، Shiraz
City
Shiraz
Province
Fars
Postal code
7193613311
Phone
+98 71 3647 4332
Fax
Email
namazzee-inf@sums.ac.ir

2

Recruitment center
Name of recruitment center
Hafez hospital
Full name of responsible person
Babak Hosseinie
Street address
Chamran Blvd ، district 1
City
Shiraz
Province
Fars
Postal code
71946-34786
Phone
+98 71 3627 2070
Email
halimehg1378@ gmail.com

Sponsors / Funding sources

1

Sponsor
Name of organization / entity
Shiraz University of Medical Sciences
Full name of responsible person
Memarpour- Mahtab
Street address
Zand Ave ، Central bluiding of Shiraz medical university
City
Shiraz
Province
Fars
Postal code
7134814336
Phone
+98 71 3212 2430
Email
vcrdep@sums.ac.ir
Grant name
Grant code / Reference number
Is the source of funding the same sponsor organization/entity?
Yes
Title of funding source
Shiraz University of Medical Sciences
Proportion provided by this source
100
Public or private sector
Public
Domestic or foreign origin
Domestic
Category of foreign source of funding
empty
Country of origin
Type of organization providing the funding
Academic

Person responsible for general inquiries

Contact
Name of organization / entity
Shiraz University of Medical Sciences
Full name of responsible person
Babak Hosseine
Position
Associate professor
Latest degree
Subspecialist
Other areas of specialty/work
General Surgery
Street address
Chamran Blvd ، District 1 ، Hafez hospital
City
Shiraz
Province
Fars
Postal code
71946-34786
Phone
+98 71 3647 9531
Fax
Email
babak۱۳۸۰@gmail.com

Person responsible for scientific inquiries

Contact
Name of organization / entity
Shiraz University of Medical Sciences
Full name of responsible person
Babak Hosseine
Position
Associate professor
Latest degree
Subspecialist
Other areas of specialty/work
General Surgery
Street address
Chamran Blvd ، District 1 ، Hafez hospital
City
Shiraz
Province
Fars
Postal code
71946-34786
Phone
+98 71 3647 9531
Fax
Email
babak۱۳۸۰@gmail.com

Person responsible for updating data

Contact
Name of organization / entity
Shiraz University of Medical Sciences
Full name of responsible person
Halimeh Gohareyan
Position
Medical student
Latest degree
A Level or less
Other areas of specialty/work
General Surgery
Street address
Abiverde 1، Chamran Blvd، Golestan building
City
Shiraz
Province
Fars
Postal code
7194733681
Phone
+98 71 5322 0974
Fax
Email
halimehg1378@gmail.com

Sharing plan

Deidentified Individual Participant Data Set (IPD)
Yes - There is a plan to make this available
Study Protocol
Yes - There is a plan to make this available
Statistical Analysis Plan
Undecided - It is not yet known if there will be a plan to make this available
Informed Consent Form
Yes - There is a plan to make this available
Clinical Study Report
Yes - There is a plan to make this available
Analytic Code
Undecided - It is not yet known if there will be a plan to make this available
Data Dictionary
Undecided - It is not yet known if there will be a plan to make this available
Title and more details about the data/document
The data will be published after collection without mentioning personal data.
When the data will become available and for how long
After completing the study, the data will be accessible.
To whom data/document is available
The data will be accessible for researchers .
Under which criteria data/document could be used
Using the results for planning and conduct additional research .
From where data/document is obtainable
babak۱۳۸۰@gmail.com halimehg1378@gmail.com xalirezasadeghix@gmail.com
What processes are involved for a request to access data/document
1month
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