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CTRI Number  CTRI/2025/03/081806 [Registered on: 06/03/2025] Trial Registered Prospectively
Last Modified On: 11/02/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparison of two different doses of Morphine with Levobupivacaine administered in spinal anaesthesia for pain relief after surgery in patients undergoing knee replacement.  
Scientific Title of Study   Comparison of two different doses of intrathecal Morphine as an adjuvant to 0.5% heavy Levobupivacaine for postoperative analgesia in patients undergoing Total knee replacement. 
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 Shubhangi Agrawal 
Designation  PG Resident 
Affiliation  Mahatma Gandhi Medical College and Hospital 
Address  Department of Anaesthesia OT Complex 2nd Floor Mahatma Gandhi Hospital Sitapura Jaipur

Jaipur
RAJASTHAN
302022
India 
Phone  9890777542  
Fax    
Email  coolshubh1995@gmail.coml  
 
Details of Contact Person
Scientific Query
 
Name  Dr Sapna Singh 
Designation  Professor 
Affiliation  Mahatma Gandhi Medical College and Hospital 
Address  Department of Anaesthesia OT Complex 2nd Floor Mahatma Gandhi Hospital Sitapura Jaipur

Jaipur
RAJASTHAN
302022
India 
Phone  9829141123  
Fax    
Email  sapnamp93@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Sapna Singh 
Designation  Professor 
Affiliation  Mahatma Gandhi Medical College and Hospital 
Address  Department of Anaesthesia OT Complex 2nd Floor Mahatma Gandhi Hospital Sitapura Jaipur

Jaipur
RAJASTHAN
302022
India 
Phone  9829141123  
Fax    
Email  sapnamp93@gmail.com  
 
Source of Monetary or Material Support  
Mahatma Gandhi University of Medical Sciences and Technology, RIICO Institutional Area, Sitapura, Jaipur, Rajasthan, India(302022) 
 
Primary Sponsor  
Name  Mahatma Gandhi Medical College and Hospitaljaipur 
Address  Mahatma Gandhi University of Medical Sciences and Technology, RIICO Institutional Area, Sitapura, Tonk Road, Jaipur, Rajasthan India (302022) 
Type of Sponsor  Private 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 Shubhangi Agrawal  Mahatma Gandhi Medical College and Hospital  Department of Anaesthesia and Critical Care, Mahatma Gandhi Hospital, Sitapura, Jaipur
Jaipur
RAJASTHAN 
9890777542

coolshubh1995@gmail.coml 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, MGMC, Jaipur  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M171||Unilateral primary osteoarthritisof knee,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  morphine + 0.5% heavy Levobupivacaine   Intrathecal morphine 100 mcg + Intrathecal 0.5% heavy Levobupivacaine 15 mg To be given to 35 patients undergoing TKR  
Intervention  morphine + 0.5% heavy Levobupivacaine   Intrathecal morphine 200 mcg + Intrathecal 0.5% heavy Levobupivacaine 15 mg To be given to 35 patients undergoing TKR  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  1. Age from 18 to 75 yrs
2. All genders
3. ASA Physical status I – III
4. All patients placed for Elective Total Knee Replacement under Spinal Anaesthesia

 
 
ExclusionCriteria 
Details  1. Uncontrolled co-morbidities like hypertension, Diabetes, Heart Disease
2. Opioid addicts
3. Patients already on opioids.
4. All contraindications for spinal anaesthesia.
5. Pregnant and Lactating females.
6. Mentally retarded.

 
 
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 
1. To compare the duration of post operative analgesia amongst two groups using Visual Analogue Scale(VAS) score.

2. To compare time to first rescue analgesic in both groups.

 
0, 2hr, 4hr, 8hr, 12hr, 16hr, 24hr 
 
Secondary Outcome  
Outcome  TimePoints 
1. Comparison of effect on Onset and Duration of Sensory and Motor Block in both group
2. Peri-operative hemodynamic monitoring- HR, BP, RR, SpO2 within 24 hrs
3. Comparison of occurrence of Adverse Reactions (nausea/vomiting, pruritis , urinary
retention, constipation, respiratory depression ) within 24 hrs after surgery in either group.

 
Peri-operative hemodynamic monitoring -
1. Intra-operatively : every 5 min
2. Post-operatively : 2hr, 4hr, 8hr, 12hr, 16hr, 24hr

 
 
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)   11/03/2025 
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="0"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Open to Recruitment 
Recruitment Status of Trial (India)  Open to Recruitment 
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   After getting clearance from Institute Ethics Committee and written informed consent, patients planned for Total Knee Replacement, will be included in this study.
Using a computer generated random number table, patients will be randomly allocated to 2 groups each comprising of 35 patients. After ensuring double blinding-
Group A will receive SAB with morphine 100 mcg + Levobupivacaine(heavy) 15 mg, and
Group B will receive SAB with morphine 200 mcg + Levobupivacaine(heavy) 15 mg.
An epidural catheter will then be placed in all patients which will be activated at the time of demand for first rescue analgesic.
After that postoperative pain will be assessed at 0, 2hr, 4hr, 8hr, 12hr, 16hr, 24hr using Visual Analogue Scale.
When VAS>/= 4, rescue analgesic (Inj PCM 1gm i.v. + Epidural top up with 0.2% Ropivacaine 8ml + Tramadol 100mg) will be given.
Onset and duration of both, sensory and motor block will be noted.
Intra-operative hemodynamic monitoring will be done every 5 min and post-operatively at 2hr, 4hr, 8hr. 12hr, 16hr, 24hr.
Adverse effects like Post-operative nausea and vomiting, pruritis, urinary retention, constipation and respiratory depressions will be noted upto 24 hrs postoperatively.


 
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