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CTRI Number  CTRI/2026/01/100537 [Registered on: 08/01/2026] Trial Registered Prospectively
Last Modified On: 08/01/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Non-randomized, Placebo Controlled Trial 
Public Title of Study   Efficacy of Melatonin in Prevention of Delirium in Intensive Care Unit 
Scientific Title of Study   Efficacy of Melatonin in Prevention of Delirium in Intensive Care Unit: A Prospective Observational 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 DEBASISH GHOSH 
Designation  ASSISTANT PROFESSOR 
Affiliation  MEDICAL COLLEGE AND HOSPITAL,KOLKATA 
Address  Department of Anaesthesiology, 88, College St, Calcutta Medical College, College Square, Kolkata, West Bengal 700073

Kolkata
WEST BENGAL
700073
India 
Phone  9231319202  
Fax    
Email  debasish2801@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Adhishree K 
Designation  Post Graduate Resident 
Affiliation  MEDICAL COLLEGE AND HOSPITAL,KOLKATA 
Address  Department of Anaesthesiology, 88, College St, Calcutta Medical College, College Square, Kolkata, West Bengal 700073

Kolkata
WEST BENGAL
700073
India 
Phone  9087325671  
Fax    
Email  adhikritigai2906@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Adhishree K 
Designation  Post Graduate Resident 
Affiliation  MEDICAL COLLEGE AND HOSPITAL,KOLKATA 
Address  Department of Anaesthesiology, 88, College St, Calcutta Medical College, College Square, Kolkata, West Bengal 700073

Kolkata
WEST BENGAL
700073
India 
Phone  9087325671  
Fax    
Email  adhikritigai2906@gmail.com  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  MEDICAL COLLEGE AND HOSPITALKOLKATA 
Address  88, College St, Calcutta Medical College, College Square, Kolkata, West Bengal 700073 
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 
ADHISHREE K  MEDICAL COLLEGE AND HOSPITAL,KOLKATA  CRITICAL CARE UNITS,DEPARTMENT OF ANAESTHESIOLOGY, 88, College St, Calcutta Medical College, College Square, Kolkata, West Bengal 700073
Kolkata
WEST BENGAL 
9087325671

adhikritigai2906@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL ETHICS COMMITTEE FOR HUMAN RESEARCH MEDICAL COLLEGE,KOLKATA  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: F05||Delirium due to known physiological condition,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Intervention  Syrup Melatonin 3mg  Prophylactic melatonin syrup for prevention of delirium in critical care for 14 days 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  Adults ( more than 18 years).
Expected ICU stay more than 48 hours.
Informed consent obtained from patient or legal guardian.
 
 
ExclusionCriteria 
Details  ICU admission more than 48 hours at the time of screening.
Unable to assess for delirium (eg, coma or deep sedation; receiving neuromuscular blocking drugs) at the time of screening.
History of severe cognitive or neurodegenerative disease (eg, dementia, Parkinson’s disease) or severe structural brain injury (eg, traumatic brain injury, intracranial haemorrhage.
Severe hepatic or renal dysfunction.
Known allergy to melatonin.
Absolute contradiction to enteral nutrition (eg, gastrointestinal obstruction,perforation,recent gastrointestinal surgery,deemed strict nil by mouth,lack of enteral access).
Pregnant and lactating women.
Active seizures.

 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Incidence of delirium  14 Days 
 
Secondary Outcome  
Outcome  TimePoints 
Duration of Delirium,
Time to Onset of Delirium, Length of ICU Stay,
Sedation Requirements,
Sleep Quality,
ICU mortality 
14 Days 
 
Target Sample Size   Total Sample Size="96"
Sample Size from India="96" 
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)   19/01/2026 
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="0"
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 - NO
Brief Summary   BACKGROUND OF PRESENT STUDY: Delirium is a common and serious syndrome pf acute brain dysfunction associated with negative outcomes.Melatonin may have a role in delirium prevention for critically ill adults based on data from non critically ill patient populations.Our objective was to the hypothesis that Melatonin given prophylactically may have a role in preventing delirium in adults who are critically ill.  
OBJECTIVE OF PROPOSED RESEARCH: To assess the effectiveness of Melatonin in preventing ICU delirium in critically ill patients.
METHODOLOGY:A Prospective Observational Study Design will be employed,selecting patients who meet specified inclusion criteria.Participants will be randomly allotted to either Melatonin intervention group (Group-M) or a Control group (Group-C) receiving conventional therapy. The intervention involves giving Syrup Melatonin 3mg orally or via nasogastric tube at 9pm daily for 14 days.Outcomes assessed will include incidence and duration of Delirium.
EXPECTED OUTCOME: As this is a prospective study, the outcome will be obtained only after the recording,compilation and analysis of data.However, as per previous studies, it is anticipated that Melatonin supplementation may reduce the incidence of Delirium in ICU patients by promoting sleep and stabilizing circadian rhythms, thus improving overall outcomes.
 
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