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CTRI Number  CTRI/2026/02/104309 [Registered on: 19/02/2026] Trial Registered Prospectively
Last Modified On: 18/02/2026
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Study Comparing Two medicine for Pain Relief After Open Gallbladder Surgery 
Scientific Title of Study   Comparison of postoperative analgesia between intramuscular tramadol vs intranasal tapentadol following open cholecystectomy: An open label randomized clinical triaL 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  PRAJNAPARMITA SAHA 
Designation  FINAL YEAR RESIDENT 
Affiliation  AGARTALA GOVERNMENT MEDICAL COLLAGE 
Address  AGARTALA GOVERNMENT MEDICAL COLLAGE , AGARTALA,TRIPURA

West Tripura
TRIPURA
799006
India 
Phone  7085826059  
Fax    
Email  prajnaparmitas@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  PRAJNAPARMITA SAHA 
Designation  FINAL YEAR RESIDENT 
Affiliation  AGARTALA GOVERNMENT MEDICAL COLLAGE 
Address  AGARTALA GOVERNMENT MEDICAL COLLAGE , AGARTALA,TRIPURA

West Tripura
TRIPURA
799006
India 
Phone  7085826059  
Fax    
Email  prajnaparmitas@gmail.com  
 
Details of Contact Person
Public Query
 
Name  PRAJNAPARMITA SAHA 
Designation  FINAL YEAR RESIDENT 
Affiliation  AGARTALA GOVERNMENT MEDICAL COLLAGE 
Address  AGARTALA GOVERNMENT MEDICAL COLLAGE , AGARTALA,TRIPURA

West Tripura
TRIPURA
799006
India 
Phone  7085826059  
Fax    
Email  prajnaparmitas@gmail.com  
 
Source of Monetary or Material Support  
SELF 
 
Primary Sponsor  
Name  PRAJNAPARMITA SAHA 
Address  AGARTALA GOVERNMENT MEDICAL COLLAGE WEST TRIPURA 
Type of Sponsor  Government medical college 
 
Details of Secondary Sponsor  
Name  Address 
NIL  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 Debasis Ray  Agartala Government Medical college  DEPARTMENT OF PHARMACOLOGY
West Tripura
TRIPURA 
9436125100

contactdebasisray@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee for Clinical Studies  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K819||Cholecystitis, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  intramuscular tramadol  intramuscular tramadol 100 mg thrice daily for 72 hours.  
Intervention  intranasal tapentadol  intranasal tapentadol 45 mg that is 22.5 mg in each nostril thrice daily for 72 hours. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  90.00 Year(s)
Gender  Both 
Details  All the newly diagnosed Cholecystitis patients undergoing Open Cholecystectomy with American Society of Anesthesiologists (ASA) physical status classification 1 & 2 at General Surgery Department of AGMC, in the age group of 18 years and above, shall be included in the study. 
 
ExclusionCriteria 
Details  Patients with ASA class 3 or above status.

- Patients below 18 years of age

- Patients on immunosuppressive drugs.

- Patients unwilling for giving consent.

- Pregnant and lactating women.

- Subjects with Chronic Kidney Disease
 
 
Method of Generating Random Sequence   Permuted block randomization, variable 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
determine and compare the degree of analgesia of intramuscular Tramadol and intranasal Tapentadol in post operative pain management following Open Cholecystectomy.

 
determine and compare the degree of analgesia of intramuscular Tramadol and intranasal Tapentadol in post operative pain management following Open Cholecystectomy 2 hours after each dose for 72 hours by visual analouge score

 
 
Secondary Outcome  
Outcome  TimePoints 
to demonstrate any adverse event by the drugs used.  assessment will be done after 2 hours of each dose for 72 hours. 
 
Target Sample Size   Total Sample Size="150"
Sample Size from India="150" 
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)   01/01/2028 
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="0"
Months="6"
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   The aim of the study is to compare the efficacy of intramuscular Tramadol and intranasal Tapentadol in postoperative pain management following open cholecystectomy The primary objective is to determine and compare the degree of analgesia by intramuscular Tramadol and intranasal Tapentadol using VAS score The secondary objective is to assess and compare the adverse events of intramuscular Tramadol and intranasal Tapentadol among the study participants

This is an experimental study designed as an open label parallel group randomized clinical trial The study will be conducted in the Department of Surgery and the Department of Pharmacology AGMC and GBP Hospital over a duration of six months The study population includes cholecystitis patients undergoing open cholecystectomy in the General Surgery Department AGMC and GBP Hospital Inclusion criteria include newly diagnosed cholecystitis patients aged eighteen years and above undergoing open cholecystectomy with ASA physical status class one and two Exclusion criteria include ASA class three and above age below eighteen years use of immunosuppressive drugs unwillingness to give consent pregnancy lactation and chronic kidney disease

After randomization one group will receive intramuscular Tramadol one hundred milligram every eight hours for seventy two hours and the other group will receive Tapentadol nasal spray forty five milligram every eight hours for seventy two hours VAS score will be recorded two hours after each dose from the first dose on postoperative day zero up to the tenth dose on postoperative day three Rescue analgesia with injection Diclofenac sodium seventy five milligram intramuscular will be given if VAS score is five or more Time to first analgesic request after each scheduled dose will be noted for both Tramadol and Tapentadol group 
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