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CTRI Number  CTRI/2025/08/093718 [Registered on: 26/08/2025] Trial Registered Prospectively
Last Modified On: 07/08/2025
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 blocks for patients undergoing Thyroid surgery to reduce pain after surgery 
Scientific Title of Study   Comparison Of Ultrasound Guided Intermediate versus Superficial Cervical Plexus Block as an Adjuvant for patients undergoing Total Thyroidectomy under General Anaesthesia 
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 Sabapathy Appavoo V A 
Designation  Professor 
Affiliation  Vinayaka Missions Kirupananda Variyar Medical College and Hospitals Chinnaseeragapadi Salem 
Address  Room number 15 Department of Anaesthesia

Salem
TAMIL NADU
636308
India 
Phone  09751585899  
Fax    
Email  sabapathyv.appavoo@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Sabapathy Appavoo V A 
Designation  Professor 
Affiliation  Vinayaka Missions Kirupananda Variyar Medical College and Hospitals Chinnaseeragapadi Salem 
Address  Room number 15 Department of Anaesthesia

Salem
TAMIL NADU
636308
India 
Phone  09751585899  
Fax    
Email  sabapathyv.appavoo@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Sabapathy Appavoo V A 
Designation  Professor 
Affiliation  Vinayaka Missions Kirupananda Variyar Medical College and Hospitals Chinnaseeragapadi Salem 
Address  Room number 15 Department of Anaesthesia

Salem
TAMIL NADU
636308
India 
Phone  09751585899  
Fax    
Email  sabapathyv.appavoo@gmail.com  
 
Source of Monetary or Material Support  
Vinayaka Missions Kirupananda Variyar Medical College and Hospitals , Salem 636308 
 
Primary Sponsor  
Name  Vinayaka Missions Kirupananda Variyar Medical College and Hospitals Chinnaseeragapadi Salem 
Address  Chinnaseeragapadi, Salem 636308 
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 Anagha Gopinath P  Vinayaka Missions Kirupananda Variyar Medical College and Hospitals Chinnaseeragapadi Salem  Room number 15 Department of Anaesthesia
Salem
TAMIL NADU 
9497336774

anagha774@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee Vinayaka Missions Kirupananda Variyar Medical College and Hospitals Salem  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: E00-E89||Endocrine, nutritional and metabolic diseases,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Comparison of ultrasound guided intermediate versus superficial cervical plexus block for patients undergoing total thyroidectomy under general anaesthesia  Total of intraneural 2O ml of 0.25% INJ.Bupivacaine and 100 mcg Inj.Epinephrine given for intermediate Cervical plexus block as adjuvants for patients undergoing total thyroidectomy 
Comparator Agent  Comparison of ultrasound guided intermediate versus superficial cervical plexus block for patients undergoing total thyroidectomy under general anaesthesia  Total of intraneural 2O ml of 0.25% INJ.Bupivacaine and 100 mcg Inj.Epinephrine given for superficial Cervical plexus block as adjuvants for patients undergoing total thyroidectomy 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1.ASA 1 and 2
2.Patients giving valid informed consent
3.Elective thyroidectomy surgeries 
 
ExclusionCriteria 
Details  1.ASA 3 and 4
2.Patient refusal
3.Patients with local infection at puncturing site
4.Patients posted for emergency surgeries
5.Patients allergic to local anaesthetic drugs
6.Age less than 18yrs and more than 60 yrs 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
To evaluate intraoperative requirements of opioids and other anaesthetic agents while using intermediate vs superficial cervical block as adjuvants for patients undergoing total thyroidectomy under general anaesthesia  To evaluate intraoperative requirements of opioids and other anaesthetic agents while using intermediate vs superficial cervical block as adjuvants for patients undergoing total thyroidectomy under general anaesthesia for duration of 3 hours 
 
Secondary Outcome  
Outcome  TimePoints 
To compare post-operative analgesic efficacy of intermediate vs superficial cervical plexus block in patients undergoing total thyroidectomy under general anaesthesia  From 0 minutes after surgery to 24 hours post-operatively 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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)   26/08/2025 
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="0"
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 is a prospective randomised interventional comparitive clinical study comparing intermediate versus superficial cervical plexus block as adjuvants to patients undergoing total thyroidectomy under general anaesthesia by evaluating intraoperative requirements of opioids and other anaesthetic agents , also comparing post-operative analgesic efficacy. 
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