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CTRI Number  CTRI/2025/09/094394 [Registered on: 08/09/2025] Trial Registered Prospectively
Last Modified On: 05/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug
Surgical/Anesthesia 
Study Design  Other 
Public Title of Study   To see the effect of oral melatonin on Preoperative anxiety, sedation and induction dose of prpofol 
Scientific Title of Study   The Effects of Oral Melatonin on Preoperative Anxiety,Sedation and Induction Dose of Propofol in a Tertiary Care Centre.A Randomised Placebo Control Study. 
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 Rajashekar Rama Poojari 
Designation  Junior Resident 
Affiliation  Sapthagiri Institute of Medical Sciences, and Research Centre 
Address  Sapthagiri Institute of Medical Sciences and Research Centre,Anesthesia department,ground floor,Hesarghatta Main Road,Chikkabanavara,Bangalore
Sapthagiri Institute of Medical Sciences and Research Centre,Anesthesia department,ground floor,Hesarghatta Main Road,Chikkabanavara,Bangalore
Bangalore
KARNATAKA
560090
India 
Phone  8073612347  
Fax    
Email  iamrajashekar74@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Shreyavathi R 
Designation  Professor 
Affiliation  Sapthagiri Institute of Medical Sciences and Research Centre 
Address  Sapthagiri Institute of Medical Sciences and Research Centre,Anaesthesia department,ground floor.Hesarghatta Main Road,Chikkabanavara,Bangalore
Sapthagiri Institute of Medical Sciences and Research Centre,Anaesthesia department,ground floor.Hesarghatta Main Road,Chikkabanavara,Bangalore
Bangalore
KARNATAKA
560090
India 
Phone  9880588325  
Fax    
Email  shreyamurthy8993@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Shreyavathi R 
Designation  Professor 
Affiliation  Sapthagiri Institute of Medical Sciences and Research Centre 
Address  Sapthagiri Institute of Medical Sciences and Research Centre,Anaesthesia department,ground floor.Hesarghatta Main Road,Chikkabanavara,Bangalore
Sapthagiri Institute of Medical Sciences and Research Centre,Anaesthesia department,ground floor.Hesarghatta Main Road,Chikkabanavara,Bangalore
Bangalore
KARNATAKA
560090
India 
Phone  9880588325  
Fax    
Email  shreyamurthy8993@gmail.com  
 
Source of Monetary or Material Support  
Sapthagiri Institute of Medical Sciences and Research Centre,Anaesthesia department,ground floor.Hesarghatta Main Road,Chikkabanavara,Bangalore 
 
Primary Sponsor  
Name  Sapthagiri Institute of Medical Sciences and Reserch Center 
Address  Hesarghatta Main Road, Chikkabanavara,Bangalore,560090Karnataka 
Type of Sponsor  Private medical college 
 
Details of Secondary Sponsor  
Name  Address 
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 Rajashekar Rama Poojari  Sapthagiri Institute Of Medical Sciences and Research Center  Sapthagiri Institute of Medical Sciences and Research Centre,Hesarghatta Main Road,Chikkabanavara,Bangalore
Bangalore
KARNATAKA 
8073612347

iamrajashekar74@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Sapthagiri Institute Of Medical Sciences and Research Center  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  , (1) ICD-10 Condition: 3||Administration,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Multivitamin   Oral multivitamin is given 1 hour before taking for surgery with sips of water  
Intervention  Oral Melatonin 3mg  Oral Melatonin 3mg is given 1 hour before taking for surgery with sips of water and vitals noted at each 15minutes interval till induction. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  1]ASA 1 & 2
2]Age 18yrs to 50 yrs of both sexes
3]Patients undergoing elective surgeries under GA
4]Informed consent 
 
ExclusionCriteria 
Details  1]Patients with difficult airway as assessed during PAC
2]Patients who have psychiatric,Neurological,Neuromuscular or Cardiovascular diseases or impairement of renal or hepatic functions 
 
Method of Generating Random Sequence    
Method of Concealment    
Blinding/Masking    
Primary Outcome  
Outcome  TimePoints 
To compare the effect of oral Melatonin versus Placebo on induction dose of Propofol.  To compare the effect of oral Melatonin versus Placebo on induction dose of Propofol , vitals noted every 15minutes till induction. 
 
Secondary Outcome  
Outcome  TimePoints 
To compare the effect of oral Melatonin versus Placebo on preoperative anxiety, sedation in patients undergoing general anaesthesia using hemodynamic parameter, visual facial analauge score & Ramsy sedation score respectively  Hemodynamic parameters & sedation score will be noted at the time of medication & after every 15 minutes till at the time of loss of verbal response. 
 
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   N/A 
Date of First Enrollment (India)   16/09/2025 
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="0"
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  
Anxiety is common in surgical patients during the preoperative period. Preoperative anxiety is described as an unpleasant state of uneasiness or tension that is secondary to a patient being concerned about a disease, hospitalization, anaesthesia and surgery, or the unknown. It may cause patients to avoid planned surgery. If anxiety is marked it causes all the signs of sympathetic stimulation and stress. High levels of preoperative anxiety have unfavourable effects on induction and maintenance of anaesthesia as well as on the recovery from anaesthesia and surgery. Anxious patients require higher doses of anaesthetic induction agents and postoperative analgesic drug. Hence the most important single reason for premedicating patients before surgery is to reduce anxiety. Reducing anxiety is an important goal in good anaesthesia management. 
 Melatonin (N-acetyl-5-methoxytryptamine) is a hormone naturally produced in the brain, secreted by the pineal gland, whose receptors are found throughout the central nervous system and other body tissues. It is known to be an effective hormone in sleep disorders, anxiety, and pain, as well as an anti-inflammatory antioxidant, used as a premedication. 
A dose range of melatonin premedication is used to provide sedation and analgesia without cognitive impairment and psychomotor skills, and without any increase in recovery time. Several studies reported that melatonin has analgesic potential in addition to anxiolytic and sedative effects without disturbances of the cognitive and psychomotor skills and thus improves the quality of recovery.• Considering these facts, the present study is planned to assess the effects of melatonin on preoperative anxiolysis, sedation and induction dose of propofol. Its hypnotic and anesthetic sparing properties is studied by evaluating the induction dose of propofol
 
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