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CTRI Number  CTRI/2025/08/092586 [Registered on: 07/08/2025] Trial Registered Prospectively
Last Modified On: 06/08/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Study Comparing the recovery after general anaesthesia between fentanyl and pentazocine 
Scientific Title of Study   A Randomised Prospective double blinded Observational study to Compare the Post General Anaesthesia recovery with Pentazocine and Fentanyl groups along with other preanaesthetic medications in a tertiary care hospital at Puducherry  
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 Snegaamarane K 
Designation  Postgraduate 
Affiliation  Sri Venkateshwaraa Medical College Hospital and Research Centre 
Address  Room no 6, Dept of Pharmacology, Sri Venkateshwaraa Medical College Hospital and Research Centre,13-A,Pondy Villupuram Road, Ariyur,

Pondicherry
PONDICHERRY
605102
India 
Phone  9677709420  
Fax    
Email  snegareshma@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  DrMSakthi Balan 
Designation  Head of the Dept of Pharmacology 
Affiliation  Sri Venkateshwaraa Medical College Hospital and Research Centre 
Address  Room no 1, Dept of Pharmacology, Sri Venkateshwaraa Medical College Hospital and Research Centre,13-A,Pondy Villupuram Road, Ariyur,

Pondicherry
PONDICHERRY
605102
India 
Phone  9443627722  
Fax    
Email  saheerose@gmail.com  
 
Details of Contact Person
Public Query
 
Name  DrMSakthi Balan 
Designation  Head of the Dept of Pharmacology 
Affiliation  Sri Venkateshwaraa Medical College Hospital and Research Centre 
Address  Room no 1, Dept of Pharmacology, Sri Venkateshwaraa Medical College Hospital and Research Centre,13-A,Pondy Villupuram Road, Ariyur,

Pondicherry
PONDICHERRY
605102
India 
Phone  9443627722  
Fax    
Email  saheerose@gmail.com  
 
Source of Monetary or Material Support  
Self funded Postgraduate thesis Dr Snegaamarane K Sri Venkateshwaraa Medical College Hospital and Research Centre 13-A Pondy-Villupuram Main Road, Ariyur, Puducherry - 605102, India. 
 
Primary Sponsor  
Name  Dr.Snegaamarane K 
Address  Dept. of Pharmacology, SRi Venkateshwaraa medical college hospital and research centre, 13-A, Pondy-Villupuram Main Road, Ariyur, Puducherry-605102 
Type of Sponsor  Other [Self Funded Postgraduate thesis] 
 
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 Snegaamarane K  Sri Venkateshwaraa Medical College Hospiital and Research Centre  Room No 6,Dept of Pharmacology, Room no 10, Dept of Anesthesiology, Sri Venkateshwaraa Medical College Hospital And Research Centre, 13-A, Pondy-Villupuram Main road, Ariyur, Puducherry - 605102
Pondicherry
PONDICHERRY 
9677709420

snegareshma@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
IEC - Sri Venkateshwaraa Medical College Hospital and Research Centre  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: G978||Other intraoperative and postprocedural complications and disorders of nervous system,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Fentanyl  Inj. FENTANYL 2mcg/kg i.v stat. only one dose before surgery  
Comparator Agent  Pentazocine  Inj. PENTAZOCINE 0.6mg/kg i.v stat, only one dose before surgery 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1. Patients aged between 18-60yrs.
2. Patients of both gender.
3. Patients with BMI 18.5 -22.9 (acc. to WHO Asian BMI scale )
4. Patients with controlled hypertension.

5. Patients with controlled Diabetes mellitus.
6. Patients with controlled hypothyroid.
7. Patients who are given Opioid free analgesia except induction.
8. Patients undergoing surgeries under plain General Anaesthesia with duration of 2-3hrs (like breast surgeries, CSOM (Chronic suppurative Otitis Media) surgeries, spine and other minor orthopedic surgeries, Total Abdominal Hysterectomy with Bilateral Salphingo-Oophorectomy,
Appendicectomy, Herniorrhaphy, lymph node excision on neck.,)
9. Patients who had smooth extubation process.
 
 
ExclusionCriteria 
Details  1. Patients with following comorbidities (Acid Peptic Disease, Asthma, Pulmonary edema, Pulmonary fibrosis, Coronary artery disease)
2. Patients with difficulty airway.
3. Patients with known psychiatric illness.
4. Patients undergoing surgery with Duration of more than 3hrs.
5. Patients undergoing Laparoscopic surgery, adenotonsillectomy and other oral surgery.
6. Patients who are developing intraoperative events such as somatic arousal, pain perception, tachy/bradycardia.  
 
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 
To compare the incidence of postoperative pain, nausea/vomiting and sore throat between fentanyl and pentazocine groups  Patient would be monitored for every 5mins for 15mins, every 15mins for 1hr, every 30mins for 2hrs, 4hrs, 8hrs, 12hrs and 24hrs in the postoperative ward.  
 
Secondary Outcome  
Outcome  TimePoints 
To compare the incidence of Delirium, Respiratory depression,hoarseness of voice, cough between pentazocine and fentanyl groups.  Patient would be monitored for every 5mins for 15mins, every 15mins for 1hr, every 30mins for 2hrs, 4hrs, 8hrs, 12hrs and 24hrs in the postoperative ward.  
 
Target Sample Size   Total Sample Size="104"
Sample Size from India="104" 
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)   29/08/2025 
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 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   Patients were selected based on the inclusion criteria and those who are selected were explained about the study and procedure  involved and informed written consent will be obtained. Patients who have given consent will be randomly divided into two groups by sealed envelope technique (i.e) Group (P) and Group (F).  Group (P) will be given Pentazocine along with fixed standard preanesthetic medication and Group(F) will be given Fentanyl along with fixed standard preanesthetic medication. All the selected patients will be assessed preoperatively and demographic data will be collected   and they will be given the preanesthetic medications and they will undergo surgery and they will be monitored in the  postoperative ward for the incidence of pain, nausea/vomiting, sore throat and delirium, respiratory depression, hoarseness of voice, cough for every 5mins for 15mins, every 15mins for 1hr, every 30mins for 2hrs, 4hrs, 8hrs, 12hrs and 24hrs. 
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