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CTRI Number  CTRI/2025/07/091295 [Registered on: 21/07/2025] Trial Registered Prospectively
Last Modified On: 18/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Single Arm Study 
Public Title of Study   Assessment of Stomach Emptying after Energy Drink Intake Before Gallbladder Surgery Using Bedside Ultrasound in adults with gallstone disease 
Scientific Title of Study   Evaluation Of Gastric Residual Volume Emptying time following Carbohydrate Drink Intake Using Ultrasonography in Adult Patients Undergoing Laparoscopic Cholecystectomy - An Observational Study 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Ujjawal Rathore 
Designation  Academic Junior Reisdent Anaesthesiology 
Affiliation  AIIMS Guwahati 
Address  PG Hostel AIIMS Guwahati Silbharal Changsari Assam 781101

Kamrup
ASSAM
781101
India 
Phone  7376889960  
Fax    
Email  Ujjawalrathore29@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Aspari Mahammad Azeez 
Designation  Assistant professor 
Affiliation  AIIMS Guwahati 
Address  2052,2nd floor, OPD BUILDING, AIIMS Guwahati, Silbharal Changsari, Guwahati, Assam

Kamrup
ASSAM
781101
India 
Phone  8427693477  
Fax    
Email  aspariazeez@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Aspari Mahammad Azeez 
Designation  Assistant professor 
Affiliation  AIIMS Guwahati 
Address  2052,2nd floor, OPD BUILDING, AIIMS Guwahati, Silbharal Changsari, Guwahati, Assam

Kamrup
ASSAM
781101
India 
Phone  8427693477  
Fax    
Email  aspariazeez@gmail.com  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  AIIMS Guwahati 
Address  Silbharal Changsari, Guwahati, Assam 781101 
Type of Sponsor  Research institution and hospital 
 
Details of Secondary Sponsor  
Name  Address 
NIL   
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Ujjawal Rathore  All India Institute of Medical Sciences Guwahati  Room no 2052, Department of Anaesthesiology, Critical Care and Pain Medicine, 2nd floor, OPD building
Kamrup
ASSAM 
7376889960

Ujjawalrathore29@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
IEC, AIIMS Guwahati  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K80||Cholelithiasis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1. Cholelithiasis Patients Scheduled for Laparoscopic Cholecystectomy
2. ASA PS I/II
3. 18-65 years old
4. Fasted Patients 8hrs for solids and 2 hrs for clear liquids.
 
 
ExclusionCriteria 
Details  1. Patients with known gastric pathologies
2. Uncontrolled Diabetes Mellitus
3. Refusal to consent
4. Previous history of surgeries on the oesophagus or stomach
5. Pregnant patients
6. Obese patients with a BMI more than 30 kg per sq m
7. Patients who cannot lie down in the right lateral decubitus position.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Quantify absorption rate (time to Gastric Residual Volume less than 1.5 mL per kg or Perlas Grade 0 and 1) following complex carbohydrate ingestion  T0 As soon as the patient is shifted to the preoperative area
T1 immediately after ingesting a Complex Carbohydrate Drink
T2 to Tx at subsequent intervals until the Gastric Residual Volume reaches less than 1.5ml per kg.
 
 
Secondary Outcome  
Outcome  TimePoints 
1. To compare the Gastric Antral Cross sectional area in Supine and RLD positions  T0 As soon as the patient is shifted to the preoperative area
T1 immediately after ingesting a Complex Carbohydrate Drink
T2 to Tx at subsequent intervals until the Gastric Residual Volume reaches less than 1.5ml per kg. 
2. To calculate GRV per kg and GRV per BSA  T0 As soon as the patient is shifted to the preoperative area
T1 immediately after ingesting a Complex Carbohydrate Drink
T2 to Tx at subsequent intervals until the Gastric Residual Volume reaches less than 1.5ml per kg. 
To assess Perlas Grade Distribution, hunger or thirst or satisfaction (NRS scale), and postoperative symptoms (nausea and vomiting) among the cohort  T0 As soon as the patient is shifted to the preoperative area
T1 immediately after ingesting a Complex Carbohydrate Drink
T2 to Tx at subsequent intervals until the Gastric Residual Volume reaches less than 1.5ml per kg. 
 
Target Sample Size   Total Sample Size="55"
Sample Size from India="55" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   30/07/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  

This observational study aims to evaluate the gastric emptying time of a commercially available complex carbohydrate drink in adult patients undergoing elective laparoscopic cholecystectomy using point-of-care ultrasonography. Conducted at AIIMS Guwahati, the study will recruit 55 patients aged 18 to 65 years (ASA I or II) and assess gastric residual volume (GRV) at serial time intervals after ingestion of 296 mL of the drink, until a safe threshold (GRV less than 1.5 mL per kg or Perlas Grade 0 or 1) is reached. The study will also analyse gastric antral cross-sectional area (CSA) in different positions, and track postoperative symptoms like nausea and vomiting. The findings aim to determine whether current ERAS guidelines on preoperative carbohydrate loading are appropriate for Indian patients, especially those with potential for delayed gastric emptying due to underlying metabolic or gallbladder-related factors.


 
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