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CTRI Number  CTRI/2019/08/020502 [Registered on: 01/08/2019] Trial Registered Prospectively
Last Modified On: 31/07/2019
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparative study between oral melatonin and oral pregabalin on preoperative anxiety and perioperative sedation in surgeries under regional anaesthesia 
Scientific Title of Study   Comparative study between oral melatonin and oral pregabalin on preoperative anxiety perioperative sedation and postoperative analgesia in surgeries under regional anaesthesia-A randomised control study 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Anand S 
Designation  Proffessor 
Affiliation  Chettinad Hospital and Research Institute 
Address  Department of Anaesthesia, Chettinad Hospital and Research Institute, Rajiv Gandhi Salai, Kelambakkam

Kancheepuram
TAMIL NADU
603103
India 
Phone  7299589410  
Fax    
Email  dranandmurugan@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Iris Eapen 
Designation  postgraduate student 
Affiliation  Chettinad Hospital and Research Institute 
Address  Department of Anaesthesia, Chettinad Hospital and Research Institute, Rajiv Gandhi Salai, Kelambakkam

Kancheepuram
TAMIL NADU
603103
India 
Phone  7299589410  
Fax    
Email  iris.eapen@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Iris Eapen 
Designation  postgraduate student 
Affiliation  Chettinad Hospital and Research Institute 
Address  Department of Anaesthesia, Chettinad Hospital and Research Institute, Rajiv Gandhi Salai, Kelambakkam
Department of Anaesthesia, Chettinad Hospital and Research Institute, Rajiv Gandhi Salai, Kelambakkam
Coimbatore
TAMIL NADU
603103
India 
Phone  7299589410  
Fax    
Email  iris.eapen@gmail.com  
 
Source of Monetary or Material Support  
Chettinad Hospital and Research Institute Rajiv Gandhi Salai,Kelambakkam Kanchipuram Dist. TN 603103 
 
Primary Sponsor  
Name  Chettinad Hospital and Research Institute 
Address  Rajiv Gandhi Salai,Kelambakkam Kanchipuram Dist. TN 603103 
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 
Iris Eapen  Chettinad Hospital and Research Institute  OT complex,D block Department of Anesthesiology and Critical Care Chettinad Hospital and Research Institute Rajiv Gandhi Salai,Kelambakkam Kanchipuram Dist. TN 603103
Kancheepuram
TAMIL NADU 
7299589410

iris.eapen@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Chettinad Academy and Research Education - Institutional Human Ethics Comittee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: R451||Restlessness and agitation,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  preanaesthetic medication  T.Melatonin 6mg per oral,1hour prior to surgery 
Comparator Agent  preanaesthetic medication  T.Pregabalin 300mg per oral, 1hour prior to surgery  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  -American Society of Anaesthesiologists(ASA) grade I-II
-BMI<30 kg/m2
-patients scheduled for surgery under sub arachnoid block 
 
ExclusionCriteria 
Details  -pregnant patients
-mentally impaired patients,those with history of psychiatric orders,or on any antipsychotic drug intake,sleep disorders and inability to read and write basic alphabets and numbers were excluded from study 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Pre-numbered or coded identical Containers 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
-Preoperative Anxiolysis
 
-Before giving the study drug -1 hour after giving study drug 
 
Secondary Outcome  
Outcome  TimePoints 
Sedation Score  -Before giving study drug
-1 hour after giving study drug
-During surgery(0 minute,5minutes,10minutes,15 minutes,20minutes,30minutes,40minutes,50minutes,60minutes,70minutes,80minutes,90minutes)
-End of surgery 
Orientation Score  -Before giving study drug
-1 hour after giving study drug 
Time Taken for TMT A and B   -Before giving study drug
-1 hour after giving study drug 
Time taken for first request for post operative analgesia  Time taken for first request for post operative analgesia 
 
Target Sample Size   Total Sample Size="64"
Sample Size from India="64" 
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)   05/08/2019 
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="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   NIL 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary   Comparitive study between oral melatonin and  oral pregabalin on preoperative anxiety and perioperative sedation in surgeries under sub arachnoid block

AIM
To compare oral Melatonin(6mg) with oral Pregabalin(300mg) as preoperative anxiolytic, sedative and as a peri-operative analgesic in patients undergoing surgery under sub arachnoid block.

OBJECTIVES
To compare the anxiolysis in both groups
To compare the sedation score between both groups
To compare the psychomotor and cognitive function between both groups
To compare the need for post operative analgesia in both groups
To compare the incidence of any side-effects associated

MATERIALS & METHODS

STUDY DESIGN:

Prospective, Randomized, Double blinded study.

SAMPLE SIZE:  Kurdi M et al., (2015) 
                           Ghai A et al.,(2012)
Sample size calculation for superiority trial with 80% power, alpha error of 0.05%,95% confidence interval.
Total = 64 Patients

Group I Melatonin~  n = 32
Group II Pregabalin~  n = 32
Patients will be assigned to the respective groups based on a computer generated code

INCLUSION CRITERIA:
American Society of Anaesthesiologists (ASA) grade I-II
Age 18-60 years
BMI<30 kg/m2
Patients scheduled for surgery under subarachnoid block

EXCLUSION CRITERIA:
Pregnant patients
Mentally Impaired patients, those with history of psychiatric disorders, or on any antipsychotic drug intake, sleep disorders and inability to read and write basic alphabets and numbers were excluded from the study 

All the patients will undergo preoperative assessment in the preanesthetic assessment clinic. They will be advised fasting of eight hours for solid diet & 2 hours for oral clear fluids prior to surgery. They will also be explained about the visual analog scale (VAS) anxiety score and  trail making test(TMT) A and B.


The patient will be assessed for orientation,sedation and anxiety with an oritntation score,the ramsay sedation score and the VAS respectively alongwith the TMT-A and B prior to administering the study drug.The same assessment will be repeated 60 minutes after giving the study drug


The regional anesthesia that will be given is spinal anesthesia in sitting up postion,using a 26G or 27G Quincke needle to administer 3.5ml of plain 0.5% heavy bupivacaine in the L3-L4 space or the L2-L3 space.Vitals will be noted for every 2 minutes for the first 5 minutes,then every 5minutes till 20 minutes post anaesthesia and then evry 10 minutes till  the end of surgery. Post surgery we will also note the time when the patient first requests for analgesia.

Adverse effects if any that occur will be reported to the Ethics Committee and appropriate treatment will be given as required. 

After decoding of the randomized code, the collected data will be presented as a mean +/- standard deviation, and percentages as appropriate. Categorical variables will be analyzed using Chi-square test and appropriate continuous variables will be tested using Student’s t-test. 


 
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