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CTRI Number  CTRI/2025/05/086261 [Registered on: 05/05/2025] Trial Registered Prospectively
Last Modified On: 18/01/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   COMPARISON OF THE EFFICACY OF OPIOID-FREE ANESTHESIA AND OPIOID-BASED ANESTHESIA IN FEMALE LAPAROSCOPIC STERILIZATION 
Scientific Title of Study   Comparison of the Efficacy of Opioid-Free Anaesthesia and Opioid-Based Anaesthesia in Gynecological Laparoscopic Sterilization Under ERAS Protocol : A Randomized Controlled Trial 
Trial Acronym  nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  DrIkshit Singh 
Designation  Junior Resident 
Affiliation  Dr.Radhakrishnan Government Medical College 
Address  Hello Motors, Bypass road, near NEW CSD Canteen, Hamirpur
House no. 1343, Sector 26, Panchkula, Haryana
Hamirpur
HIMACHAL PRADESH
177030
India 
Phone  9988382293  
Fax    
Email  ikshitsingh@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Manjit Singh Kanwar 
Designation  Assosciate Professor 
Affiliation  Dr.Radhakrishnan Government Medical College 
Address  Room no. 11, Doctors Residence, Near Dr Radhakrishnan Government Medical College, Hamirpur

Hamirpur
HIMACHAL PRADESH
177001
India 
Phone  8219500838  
Fax    
Email  drmanjitkanwar@gmail.com  
 
Details of Contact Person
Public Query
 
Name  DrManjit Singh Kanwar 
Designation  Assosciate Professor 
Affiliation  Dr.Radhakrishnan Government Medical College 
Address  Room no. 11, Doctors Residence, Near Dr Radhakrishnan Government Medical College, Hamirpur

Hamirpur
HIMACHAL PRADESH
177001
India 
Phone  8219500838  
Fax    
Email  drmanjitkanwar@gmail.com  
 
Source of Monetary or Material Support  
Dr.Radhakrishnan Government Medical College 
 
Primary Sponsor  
Name  Ikshit Singh 
Address  Hello Motors, Bypass road, near NEW CSD Canteen, Hamirpur 
Type of Sponsor  Other [Self] 
 
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 Ikshit Singh  Operation Theatre  Room no 410, Dr Radhakrishnan Government Medical College
Hamirpur
HIMACHAL PRADESH 
9988382293

ikshitsingh@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: Z302||Encounter for sterilization,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Opioid-Based Anesthesia  Opioid-Based Anaesthesia (OA) Group receives premedication with Midazolam 0.05mg/kg (I.V). This will be followed by dexamethasone 8mg IV and Fentanyl(opioid) at a dose of 2 µg/kg IV. Normal saline 2-3ml IV will be given in opioid group to ensure blinding. Patient will be induced with propofol at 2 mg/kg, and atracurium at 0.5 mg/kg followed by I gel insertion. The maintenance of anaesthesia will be achieved with Oxygen and Nitrous oxide (30:70) along with Propofol infusion and PCM for analgesia, mirroring the Opiod-free groups maintenance strategy but differing in the initial induction phase due to the inclusion of opioids. An increase in mean blood pressure or heart rate by more than 30% of baseline value despite adequate anaesthetic depth during surgery will be considered a nociceptive response and treated by administering a bolus of IV fentanyl (1 µg/kg). The total dose of IV fentanyl given in the intra-operative period will be documented. Paracetamol (PCM) at 15 mg/kg IV and ondansetron 0.15 mg/kg IV will be given prior to completion of surgery and local infiltration of incision site will be done with 5 ml of 0.25% bupivacaine. The approach to postoperative analgesia in the OA group remains consistent with the OFA group, utilizing Diclofenac IV at 1.5 mg/kg to manage pain after the surgery when Visual Analogue score above 4. 
Intervention  Opioid-Free Anesthesia  For the Opioid-Free Anaesthesia (OFA) Group, Midazolam at 0.05mg/kg iv will be given 1 min prior to induction along with IV doses of dexamethasone 8mg, Ketorolac at a dose of 0.5 mg/kg, Ketamine at 0.5 mg/kg. Induction will be done with IV Propofol at 2 mg/kg, and Atracurium at 0.5 mg/kg followed by insertion of an I-Gel for securing airway for mechanical ventilation. The maintenance of anaesthesia will be done with a mixture of Oxygenand Nitrous oxide (30:70), supplemented with a continuous infusion of Propofol(100 micrograms/kg/min). IV Paracetamol(PCM) at 15 mg/kg and Ondansetron 0.15 mg/kg will be given prior to completion of surgery. Local infiltration of 5 ml of 0.25% bupivacaine will be given at incision site. Neostigmine (0.05 mg/kg) and glycopyrrolate (0.02 mg/kg) will be administered for reversal of any residual neuromuscular block, followed by removal of Igel in fully awake state.Postoperatively, rescue analgesic Diclofenac IV(1.5 mg/kg) will be given when Visual Analogue score above 4, aimed at ensuring effective pain relief in the recovery phase. 
 
Inclusion Criteria  
Age From  25.00 Year(s)
Age To  45.00 Year(s)
Gender  Female 
Details  1.Scheduled for elective gynecological laparoscopic sterilisation.
2.Able to provide informed consent.
3.ASA grade I or II.
4.Hemodynamically stable with no acute medical illness requiring urgent intervention.
5.Not pregnant or breastfeeding.
6.No known allergies to study medications.
7.Willing to comply with study procedures and follow-up assessments. 
 
ExclusionCriteria 
Details  1.Emergency surgeries or surgeries requiring conversion to open procedures.
2.ASA physical status above II.
3.History of significant cardiac, hepatic, renal, or respiratory disease.
4.Known allergy or contraindication to study medications.
5.Chronic opioid use or dependence.
6.Pregnancy or breastfeeding
7.Inability to provide informed consent.
8.Any condition deemed by the investigator to pose a risk to the patient or interfere with the study procedures.
9.Duration of surgery more than 30 min. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Double Blind Double Dummy 
Primary Outcome  
Outcome  TimePoints 
Postoperative Pain Control and Recovery Outcomes  Preoperative (baseline assessment)
Intraoperative (during surgery)
Postoperative:
a. Immediate postoperative period (e.g., recovery room)
b. 24 hours postoperative 
 
Secondary Outcome  
Outcome  TimePoints 
1. Postoperative pain scores and analgesic requirements in first 24 hours post-surgery
2. Intraoperative hemodynamic stability during surgery
3. Patient satisfaction with the anesthetic technique post-surgery
4. Quality of recovery (QoR) using the QoR-15 questionnaire Post-surgery 
Postoperative pain scores and analgesic requirements: within 24 hours post-surgery
Intraoperative hemodynamic stability: During surgery
Patient satisfaction with the anesthetic technique: Post-surgery
Quality of recovery (QoR) using the QoR-15 questionnaire: Post 24 hours after surgery 
 
Target Sample Size   Total Sample Size="62"
Sample Size from India="62" 
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 3 
Date of First Enrollment (India)   13/05/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  13/05/2025 
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)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details
Modification(s)  
Not yet published 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary
Modification(s)  

The study aims to compare the efficacy of opioid-free anesthesia (OFA) versus opioid-based anesthesia (OA) in gynecological laparoscopic sterilization surgeries within the framework of Enhanced Recovery After Surgery (ERAS) protocols. With India’s high demand for efficient and safe surgical options, particularly in family planning methods, exploring optimized perioperative strategies is imperative.

Gynecological laparoscopic surgeries have gained popularity due to their minimally invasive nature and associated benefits such as reduced postoperative pain and shorter hospital stays. The adoption of ERAS protocols further enhances recovery outcomes by emphasizing multidisciplinary approaches to patient care.

OFA represents a promising alternative to traditional opioid-based anesthesia, offering improved safety profiles and effective analgesia. However, its efficacy within ERAS protocols, particularly in gynecological laparoscopic surgery, requires further investigation.

Several studies have examined OFA’s impact on perioperative outcomes, indicating comparable efficacy to OA in terms of pain control and recovery parameters. However, concerns regarding prolonged recovery times and sedation levels necessitate additional research.

The proposed study will be a prospective, randomized, double-blinded controlled trial conducted at Dr. Radhakrishnan Medical College, focusing on postoperative pain control, recovery outcomes, and patient satisfaction. The primary objective is to determine if OFA is non-inferior to OA in terms of pain control, satisfaction, and recovery time. Secondary objectives include assessing postoperative pain scores, hemodynamic stability, patient satisfaction, and quality of recovery using the QoR-15 questionnaire.

The study will enroll 62 female participants aged 25 to 45 years scheduled for elective gynecological laparoscopic sterilization surgeries. Anesthesia techniques, data collection, and statistical analysis will adhere to established protocols. Ethical considerations and patient safety will be paramount throughout the study.

By evaluating the comparative efficacy of OFA and OA within ERAS protocols, the study aims to refine anesthesia approaches and improve patient outcomes in gynecological laparoscopic surgeries.

 
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