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CTRI Number  CTRI/2025/11/096776 [Registered on: 03/11/2025] Trial Registered Prospectively
Last Modified On: 31/10/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   To evaluate the use of visual aid with verbal explanation in achieving the optimal patient positioning for subarachnoid block (SAB). 
Scientific Title of Study   Evaluation of visual Aid with verbal explanation on optimal positioning for subarachnoid block 
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 Akash Gupta  
Designation  PG Resident  
Affiliation  VMMC and Safdarjung Hospital  
Address  Dept. of Anaesthesia and Intensive Care VMMC and Safdarjung Hospital New Delhi 110029

South West
DELHI
110029
India 
Phone  8527322173  
Fax    
Email  akkygupta1997@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Mamta Panwar 
Designation  Professor  
Affiliation  Vmmc and Safdarjung Hospital  
Address  Dept. of Anaesthesia and Intensive care VMMC and Safdarjung Hospital New Delhi 110029

South West
DELHI
110029
India 
Phone  9013000543  
Fax    
Email  drmkumath@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Mamta Panwar 
Designation  Professor  
Affiliation  Vmmc and Safdarjung Hospital  
Address  Dept. of Anaesthesia and Intensive care VMMC and Safdarjung Hospital New Delhi 110029

South West
DELHI
110029
India 
Phone  9013000543  
Fax    
Email  drmkumath@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesia and Intensive care VMMC and Safdarjung Hospital New Delhi 110029 
 
Primary Sponsor  
Name  Department of Anaesthesia and Intensive Care 
Address  VMMC and Safdarjung Hospital New Delhi 110029 
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 Akash Gupta  Safdarjung Hospital  Department of Anaesthesia and Intensive Care VMMC and Safdarjung Hospital New Delhi 110029
South
DELHI 
8527322173

akkygupta1997@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Safdarjung Institutional Ethics Committee  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 
Comparator Agent  Evaluation of use of verbal explanation on optimal positioning for subarachnoid block.  Comparison of use of verbal explanation on optimal positioning for patients undergoing surgeries in subarachnoid block 18 months 
Intervention  Evaluation of use of visual aid in optimal positioning for subarachnoid block.  Use of visual aid on optimal positioning for patients undergoing surgeries in subarachnoid block 18 months 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Adult patients of age 18-65 years of either gender, American Society of Anesthesiologists grade I-II, undergoing elective surgeries under sub arachnoid block 
 
ExclusionCriteria 
Details  Patient with visual impairment
Any contraindication to neuraxial anesthesia.
Body mass index (BMI) greater than 30 kg/m2. Anticipated positioning difficulties due to severe arthritis or major spinal deformities 
 
Method of Generating Random Sequence   Permuted block randomization, fixed 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare time taken in achieving optimal position for subarachnoid block using visual aid with verbal explanation and only verbal explanation in adult patient.
Time taken for successful needle placement (from the start of instructions until the free flow of CSF)
 
Baseline, 4 weeks & 8 weeks 
 
Secondary Outcome  
Outcome  TimePoints 
Number of attempts taken for a successful subarachnoid block  Baseline, 4 weeks & 8 weeks 
Comparison between the first-attempt success rate of subarachnoid block in both groups  Baseline, 4 weeks & 8 weeks 
 
Target Sample Size   Total Sample Size="76"
Sample Size from India="76" 
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)   17/11/2025 
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  
In our study, the time taken in achieving position for subarachnoid block (from instruction until the loss of lumbar lordosis) and the time taken for successful needle placement (from the
start of instructions until the free flow of CSF) along with the number of skin punctures and first attempt success rate with patient satisfaction will be noted.
 
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