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CTRI Number  CTRI/2021/07/035201 [Registered on: 28/07/2021] Trial Registered Prospectively
Last Modified On: 27/07/2021
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   Comparison of two different doses of drug for sedation in patients undergoing operation under spinal anaesthesia 
Scientific Title of Study   Comparative Evaluation of Two Different Doses of Intravenous Dexmedetomidine Infusion for Sedating Patients Undergoing Lower Abdominal General Surgical Procedures under Spinal Anaesthesia  
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Renuka R 
Designation  Associate professor  
Affiliation  Sapthagiri institute of medical sciences and research center 
Address  Sapthagiri institute of medical sciences and research center, Ground floor , ot complex Anaesthesia department
Sapthagiri institute of medical sciences and research center , Ground floor , ot complex Anaesthesia department
Bangalore
KARNATAKA
560090
India 
Phone  8618633196  
Fax  08028393404  
Email  drmadhumitha99@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Amulya P 
Designation  Post graduate student  
Affiliation  Sapthagiri institute of medical sciences and research center 
Address  Sapthagiri institute of medical sciences and research center, Ground floor , ot complex Anaesthesia department
Sapthagiri institute of medical sciences and research center , Ground floor , ot complex Anaesthesia department
Bangalore
KARNATAKA
560090
India 
Phone  7411074111  
Fax  08028393404  
Email  amulyapreyakumar74@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Amulya P 
Designation  Anaesthesia post graduate student  
Affiliation  Sapthagiri institute of medical sciences and research center 
Address  Sapthagiri institute of medical sciences and research center, Ground floor, ot complex Anaesthesia department
Sapthagiri institute of medical sciences and research center, Ground floor, ot complex Anaesthesia department
Bangalore
KARNATAKA
560090
India 
Phone  7411074111  
Fax  08028393404  
Email  amulyapreyakumar74@gmail.com  
 
Source of Monetary or Material Support  
nil 
 
Primary Sponsor  
Name  Sapthagiri institute of medical sciences and research center 
Address  15,Hesarghatta Main Rd, Navy Layout, Chikkasandra, Chikkabanavara, Bengaluru, Karnataka 560090 
Type of Sponsor  Research institution and hospital 
 
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 Renuka R  Sapthagiri institute of medical sciences and research center   Ground floor , operation theatre complex , ANAESTHESIA department
Bangalore
KARNATAKA 
8618633196
08022188700
amulyapreyakumar74@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Sapthagiri institute of meical sciences research centre  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: M628||Other specified disorders of muscle,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Maintenance doses of intravenous dexmedetomidine Group A - 0.2 microgram/kg/hour Group B - 0.4 microgram/kg/hour  Doses of dexmedetomidine -Group A - 0.2 microgram/kg/hour Group B - 0.4 microgram/kg/hour Route of administration - intravenous infusion. Duration - Immediately after giving subarachnoid block the maintainence dose of Dexmedetomidine will be started and continued until the surgeon will begin to suture the surgical site (through out the intraoperative period) for patients undergoing lower abdominal surgeries under subarachnoid block.  
Comparator Agent  Normal saline infusion  In placebo group normal saline infusion group will be done through out the surgey. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1)American society of anaesthesiology (ASA) physical status 1 and 2 patients.
 
 
ExclusionCriteria 
Details  1)Patients undergoing laparoscopic surgeries.
2)Patients who have arrhythmia , heart failure , liver failure , renal failure or bleeding tendencies.
3)Patients with heart blocks , on calcium channel blockers and betablockers.
4)Allergic to study drug and local anesthetic.
5)Those who are not willing to participate in the study.
 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
To evaluate the effect of intravenous Dexmedetomidine infusion on sedation and duration of analgesia.  For intraoperative period and for 24 hours postoperatively. 
 
Secondary Outcome  
Outcome  TimePoints 
To evaluate hemodynamic changes and side effects of study drug if any.  For intraoperative period and for 24 hours postoperatively 
 
Target Sample Size   Total Sample Size="75"
Sample Size from India="75" 
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 2 
Date of First Enrollment (India)   31/07/2021 
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   not yet submitted 
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 -  Statistical Analysis Plan

  3. Who will be able to view these files?
    Response - Researchers whose proposed use of the data has been approved by an independent review committee identified for this purpose.

  4. For what types of analyses will this data be available?
    Response - To achieve aims in the approved proposal.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [amulyapreyakumar74@gmail.com].

  6. For how long will this data be available start date provided 23-07-2021 and end date provided 23-07-2024?
    Response - Beginning 9 months and ending 36 months following article publication.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - nil
Brief Summary  
Subarachnoid block is a widely used regional anaesthetic technique particularly advantageous for lower abdominal surgeries (l).Many spinal and epidural anaesthetic  failed because of inadequate intravenous sedation and anxiolysis rather than technically flawed blocks .As unsedated patient may be apprehensive and uncooperative to the surgical procedure inspite of having adequate levels of analgesia by spinal anesthesia . Patients are often reluctant to remain awake during a procedure and the  requirement to maintain uncomfortable positioning throughout the  surgery of long duration can cause spontaneous movements which may interfere with the surgical procedure. Therefore, provision  of adequate sedation is important if the advantages of spinal anaesthesia to be fully appreciated.The literature review has few studies to asess the efficacy of  intravenous ( IV ) dexmedetomidine infusion on  spinal anesthesia block characteristics however ,  there are no studies till date to asess its efficacy on sedation or to evaluate the ideal dose of  IV dexmedetomine infusion for sedation .Hence this study has been formulated to  compare two different doses of dexmedetomidine infusion to provide  continuous sedation in patients undergoing lower abdominal general surgical procedures under spinal anesthesia 
 
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