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CTRI Number  CTRI/2025/04/086029 [Registered on: 30/04/2025] Trial Registered Prospectively
Last Modified On: 30/04/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   Comparing Gabapentin and Magnesium sulphate for pain after lumbosacral spinal fixation surgeries 
Scientific Title of Study   Comparison of Magnesium Sulphate versus Gabapentin for post-operative analgesia in patients undergoing complex lumbosacral spinal fixation surgery: A Prospective, Randomized, Double-blinded, Placebo-controlled 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 Tanzim Akram  
Designation  Junior Resident Doctor 
Affiliation  All India Institute of Medical Sciences (AIIMS), Rishikesh 
Address  Department of Anaesthesiology, AIIMS Rishikesh, Virbhadra Road, Rishikesh

Dehradun
UTTARANCHAL
249203
India 
Phone  7980176727  
Fax    
Email  tanzimt4@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Priyanka Gupta 
Designation  Additional Professor 
Affiliation  All India Institute of Medical Sciences (AIIMS), Rishikesh 
Address  Department of Anaesthesiology, AIIMS Rishikesh, Virbhadra Road, Rishikesh

Dehradun
UTTARANCHAL
249203
India 
Phone  9811894899  
Fax    
Email  priyanka.anaes@aiimsrishikesh.edu.in  
 
Details of Contact Person
Public Query
 
Name  Dr Priyanka Gupta 
Designation  Additional Professor 
Affiliation  All India Institute of Medical Sciences (AIIMS), Rishikesh 
Address  Department of Anaesthesiology, AIIMS Rishikesh, Virbhadra Road, Rishikesh

Dehradun
UTTARANCHAL
249203
India 
Phone  9811894899  
Fax    
Email  priyanka.anaes@aiimsrishikesh.edu.in  
 
Source of Monetary or Material Support  
Department of Anaesthesiology, AIIMS Rishikesh, Level 6, Virbhadra Road, Rishikesh, District: Dehradun, Pincode: 249203, Uttarakhand, India 
 
Primary Sponsor  
Name  All India Institute of Medical Sciences Rishikesh 
Address  LEVEL 6, Department of Anaesthesiology, AIIMS, Shivajinagar, RISHIKESH, UTTARAKHAND, 249203 
Type of Sponsor  Research institution and hospital 
 
Details of Secondary Sponsor  
Name  Address 
None  NA 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Tanzim Akram  Main OT complex, level 6, AIIMS Rishikesh  Level 6, Department of Anaesthesiology, AIIMS Rishikesh, Virbhadra Road, Rishikesh
Dehradun
UTTARANCHAL 
7980176727

tanzimt4@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, All India Institute of Medical Sciences, Rishikesh  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M489||Spondylopathy, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Capsule Gabapentin  Patient will receive Capsule Gabapentin 1200mg one hour before surgery  
Comparator Agent  Injection Magnesium Sulphate  Patient will receive Injection Magnesium Sulphate at a dose 50mg/kg over one hour which will be started 15 minutes before the induction of general anaesthesia 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  American Society of Anaesthesiologists (ASA) grade I-II patients undergoing elective lumbosacral spinal fixation surgery (non traumatic spondylopathy)
involving two or more levels. 
 
ExclusionCriteria 
Details  Patient refusal
Patient with known hypersensitivity to either drug
Patient with neuromuscular disease like Myasthenia Gravis
Patients already on Capsule Gabapentin
Pregnancy
Patients with pre-existing significant cardiac, respiratory, hepatic,
renal disease
Patients lost to/not willing to follow up 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Post-operative pain assessment using Numeric Rating Scale for surgical site pain and leg pain (radiculopathy)(NRS)  At regular intervals during first 24 hour postoperatively 
 
Secondary Outcome  
Outcome  TimePoints 
Intra-operative haemodynamic changes   During the surgery at regular intervals 
Opioid consumption   During surgery and in the first 24 hours after surgery 
time for Requirement of first rescue analgesia   In the first 24 hours after surgery 
Adverse effects of study drugs if any   Immediate and delayed 
Time taken for first ambulation  After surgery (in hours) 
Number of hospitalisation days   Post-operative days 
Quality of life assessment using EuroQoL questionnaire  At the time of hospital discharge and 30
days follow up using EuroQoL questionnaire 
 
Target Sample Size   Total Sample Size="165"
Sample Size from India="165" 
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)   15/05/2025 
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="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
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 study aims to compare the efficacy of Magnesium sulphate and gabapentin, in postoperative analgesia following elective lumbosacral spinal fixation surgery. Patients will be randomized into three groups and allocation concealment will be done using sequentially numbered opaque sealed envelope method. This study will provide insights into the comparative effectiveness of magnesium sulphate and gabapentin in optimizing analgesia and recovery following complex spinal fixation surgery.    
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