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CTRI Number  CTRI/2024/08/072433 [Registered on: 13/08/2024] Trial Registered Prospectively
Last Modified On: 09/08/2024
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   The study of Dexmedetomidine with Ropivacaine in Eye Block for retina surgeries  
Scientific Title of Study   Prospective randomized comparative study of adjuvant dexmedetomidine to 0.75 percent Ropivacaine with 0.75 percent ropivacaine alone in subtenon blocks for vitreoretinal surgeries 
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 Deepa Rakesh Sharma 
Designation  Consultant Anaesthesiology 
Affiliation  Nethradhama Super Speciality Eye Hospital 
Address  Nethradhama Super Speciality Eye Hospital, No. 256/14, Kanakapura Main Road, 7th Block Jayanagar

Bangalore
KARNATAKA
560070
India 
Phone  08026088000  
Fax    
Email  yathirajdeepa@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Deepa Rakesh Sharma 
Designation  Consultant Anaesthesiology 
Affiliation  Nethradhama Super Speciality Eye Hospital 
Address  Nethradhama Super Speciality Eye Hospital, No. 256/14, Kanakapura Main Road, 7th Block Jayanagar

Bangalore
KARNATAKA
560070
India 
Phone  08026088000  
Fax    
Email  yathirajdeepa@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Deepa Rakesh Sharma 
Designation  Consultant Anaesthesiology 
Affiliation  Nethradhama Super Speciality Eye Hospital 
Address  Nethradhama Super Speciality Eye Hospital, No. 256/14, Kanakapura Main Road, 7th Block Jayanagar

Bangalore
KARNATAKA
560070
India 
Phone  08026088000  
Fax    
Email  yathirajdeepa@gmail.com  
 
Source of Monetary or Material Support  
Nethradhama Super Speciality Eye Hospital, no.256/14, Kanakapura Main Road, 7th block Jayanagar, Bangalore -560 070 
 
Primary Sponsor  
Name  Nethradhama Super Speciality Eye Hospital 
Address  No.256/14, Kanakapura Main Road, 7th Block, Jayanagar, Bangalore-560 070 
Type of Sponsor  Private hospital/clinic 
 
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 Deepa Rakesh Sharma  Nethradhama Super Speciality Eye Hospital  Block 1, Second floor, Pre-Operative Room, No. 256/14, Kanakapura Main Road, 7th Block Jayanagar
Bangalore
KARNATAKA 
08026088000

yathirajdeepa@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Nethradhama Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: H330||Retinal detachment with retinal break,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  0.75% Ropivacaine with Dexmedetomidine 20mcg  Dexmedetomidine 20mcg with 0.75% Ropivacaine 5ml will be given in sub-tenons block prior to retinal surgery. Patient is monitored during surgery and 24hr post-op visit. Duration of study is 3months 
Intervention  Plain 0.75% Ropivacaine  Plain 0.75% Ropivacaine 5ml without Dexmedetomidine is given in sub-tenons block prior to retinal surgery. Patient is monitored during surgery and 24hr post-op visit. Duration of study is 3months 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  80.00 Year(s)
Gender  Both 
Details  ASA 1,2,3
Satisfactory akinesia following subtenon blocks and predictable surgical time of less than 3hours
 
 
ExclusionCriteria 
Details  Known allergy to dexmedetomidines
Patients with a single eye
History of sleep apnea
Severe Cardiac, respiratory and renal disease
Drowsy on the day of surgery with Ramsay Level of Sedation Scale Score more than 3
Normal sinus bradycardia in ECG, Baseline Hypotension recorded
Dementia
Communication disabilities
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Pre-numbered or coded identical Containers 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Effect of the adjuvant added in sub-tenons block on motor and sensory block.  3months 
 
Secondary Outcome  
Outcome  TimePoints 
Adverse effect associated with 20mcg Dexmedetomidine as adjuvant in subtenon block   3 months 
 
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 4 
Date of First Enrollment (India)   23/08/2024 
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="3"
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 - YES
  1. What data in particular will be shared?
    Response - All of the individual participant data collected during the trial, after de-identification.

  2. What additional supporting information will be shared?
    Response -  Study Protocol
    Response -  Statistical Analysis Plan
    Response - Informed Consent Form
    Response - Clinical Study Report
    Response -  Analytic Code

  3. Who will be able to view these files?
    Response - Anyone

  4. For what types of analyses will this data be available?
    Response - Any purpose.

  5. By what mechanism will data be made available?
    Response (Others) -  Link updated after publications

  6. For how long will this data be available start date provided 08-11-2024 and end date provided 08-11-2040?
    Response - Immediately following publication. No end date.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - nil
Brief Summary   Proposed study will be conducted on 60 patients in the age above 18yrs of either gender with ASA I-III admitted in Nethradhama Super Speciality Eye Hospital, scheduled to undergo elective Vitreoretinal surgery under subtenon blocks patients will be randomly divided into 2groups of 30 each.  Group A will receive 0.75% Ropivacaine 5ml, Group B will receive 0.75% Ropivacaine with 20mcg Dexmedetomidine.  Parameters to be accessed will include Motor block, sensory block, sedation level post-operative pain, surgeon satisfaction score, patient satisfaction score, concensus sleep diary. Any adverse effect will b e recorded.  Follow-up visit on post-op day-1 and one week after surgery. 
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