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CTRI Number  CTRI/2025/07/091697 [Registered on: 25/07/2025] Trial Registered Prospectively
Last Modified On: 24/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   The effect of duloxetine in recovery and pain after thoracolumbar spine surgery 
Scientific Title of Study   Effect of perioperative duloxetine on postoperative quality of recovery and analgesia after thoracolumbar spine surgery 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Ashima 
Designation  Post graduate Junior Resident  
Affiliation  Government Medical College and Hospital, Chandigarh  
Address  Department of Anaesthesia and Intensive Care, Block D, Level 5, GMCH, Sector 32B, Chandigarh, India

Chandigarh
CHANDIGARH
160030
India 
Phone  9056304030  
Fax    
Email  singlaa19@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Jasveer Singh 
Designation  Professor 
Affiliation  Government Medical College and Hospital, Chandigarh  
Address  Department of Anaesthesia and Intensive Care, Block D, Level 5, GMCH, Sector 32B, Chandigarh, India

Chandigarh
CHANDIGARH
160030
India 
Phone  9646121664  
Fax    
Email  drjassy18@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Jasveer Singh 
Designation  Professor 
Affiliation  Government Medical College and Hospital, Chandigarh  
Address  Department of Anaesthesia and Intensive Care, Block D, Level 5, GMCH, Sector 32B, Chandigarh, India

Chandigarh
CHANDIGARH
160030
India 
Phone  9646121664  
Fax    
Email  drjassy18@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesia and Intensive Care, Block D, Level 5, Government Medical College and Hospital, Sector 32B, Chandigarh, 160030 
 
Primary Sponsor  
Name  Government Medical College and Hospital  
Address  Department of Anaesthesia and Intensive Care, Block D, Level 5, Government Medical College and Hospital, Sector 32B, Chandigarh, 160030 
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 Ashima  Government Medical College and Hospital, Chandigarh   Department of Anaesthesia and Intensive Care, Block D, Level 5, Government Medical College and Hospital, Sector 32B, Chandigarh, 160030
Chandigarh
CHANDIGARH 
9056304030

singlaa19@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, GMCH, Chandigarh   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Duloxetine 60 mg tablet  Duloxetine 60mg tablet will be given 2 hours before and 24 hours after by oral route in patient undergoing thoracolumbar spine surgery 
Comparator Agent  Placebo tablet  Placebo will be given 2 hours before and 24 hours after by oral route in patient undergoing thoracolumbar spine surgeries and it’s effect wil be compared with duloxetine  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Age between 18 and 65 years
Patients undergoing thoracolumbar spine surgeries requiring single level pedicle screw fixation- without having any neurological deficit
ASA Grade I or II
Body mass index between 18 and 35 
 
ExclusionCriteria 
Details  Patient’s refusal for consent
History of drug abuse
Severe cardiovascular, respiratory, neurological or metabolic disease
Chronic analgesia use
Patients having any drug allergy to duloxetine or morphine
Inability of the patient to understand the QoR -15 questionnaire
Inability to operate a Patient controlled analgesia (PCA) pump
Inability of the patient to understand Visual Analogue Score 
 
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 QoR score at 48 hours  It is assessed at 48 hours 
 
Secondary Outcome  
Outcome  TimePoints 
Cumulative opioid consumption   It is assessed at 48 hours after surgery 
Visual Analogue Scores assessment   It is done at 1 hour, 2 hours, 4 hours, 8 hours, 12 hours, 24 hours and 48 hours after surgery 
Patient satisfaction score by a 4 point verbal score  It is assessed at 48 hours after surgery 
Side effects of drug if any experienced  It is done at 1 hour, 2 hours, 4 hours, 8 hours, 12 hours, 24 hours and 48 hours after surgery 
 
Target Sample Size   Total Sample Size="70"
Sample Size from India="70" 
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   Phase 4 
Date of First Enrollment (India)   18/08/2025 
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 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   A total number of 70 patients undergoing thoracolumbar spinal surgery will be randomly allocated to two groups of 35 patients each using computer generated random table and allotted number will be secured in a coded opaque sealed envelope. The patients will be allocated to one of the following two groups:
Group D( n=35): Patients will receive duloxetine 60mg orally 2 hours before surgery and another tablet after 24 hours in the next morning.
Group C (n=35); Patients will receive identical placebo orally 2 hours before surgery and another tablet after 24 hours in the next morning.

Procedure on day of surgery:
Patient will be shifted to the operation room. Monitoring of heart rate, systolic blood pressure, diastolic blood pressure, mean arterial blood pressure, continuous electrocardiogram, respiratory rate and oxygen saturation will be done. Baseline vitals will be noted. All the patients will receive a standardised general anaesthesia using propofol 2mg/kg as inducing agent and vecuronium 0.1 mg/kg as muscle relaxant. Anaesthesia will be maintained by N2O/O2 in ratio 60:40 with sevoflurane. The surgery will proceed. Patient will be extubated after surgery and shifted to post anaesthesia care unit (PACU). Patients in both study groups will be connected to IV-PCA Pump (Micrel Rythmic TM evolution PCA) with 1mg/ml morphine with a lockout interval of 5 minutes. 

Patients vitals will be monitored intra and post operatively and observations will be recorded in the prescribed performa. Post operative QoR score at 48 hours, cumulative morphine consumption, VAS scores, time to first bolus of morphine, satisfaction scores and side effects will be assessed and filled in prescribed performa.
 
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