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CTRI Number  CTRI/2025/03/082347 [Registered on: 17/03/2025] Trial Registered Prospectively
Last Modified On: 25/02/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Multiple Arm Trial 
Public Title of Study   The effectiveness of sleep-wake cycle regulating agents in mitigating altered sensorium and promoting recovery in acutely ill patients receiving intensive care 
Scientific Title of Study   Navigating sensorium: Lemborexant vs. melatonin vs. placebo for management of delirium – a hospital-based, single-center, parallel, double blinded, randomized controlled trial 
Trial Acronym  SENTINEL-D 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Praveen Rikhari 
Designation  Assistant Professor (Psychiatry) 
Affiliation  Himalayan Institute of Medical Sciences, Swami Rama Himalayan University, Jollygrant, Dehradun 
Address  Department of Psychiatry, Himalayan Institute of Medical Sciences, Swami Rama Himalayan University, Jollygrant, Dehradun

Dehradun
UTTARANCHAL
248016
India 
Phone  9627951368  
Fax    
Email  praveenrikhari@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Praveen Rikhari 
Designation  Assistant Professor (Psychiatry) 
Affiliation  Himalayan Institute of Medical Sciences, Swami Rama Himalayan University, Jollygrant, Dehradun 
Address  Department of Psychiatry, Himalayan Institute of Medical Sciences, Swami Rama Himalayan University, Jollygrant, Dehradun

Dehradun
UTTARANCHAL
248016
India 
Phone  9627951368  
Fax    
Email  praveenrikhari@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Praveen Rikhari 
Designation  Assistant Professor (Psychiatry) 
Affiliation  Himalayan Institute of Medical Sciences, Swami Rama Himalayan University, Jollygrant, Dehradun 
Address  Department of Psychiatry, Himalayan Institute of Medical Sciences, Swami Rama Himalayan University, Jollygrant, Dehradun

Dehradun
UTTARANCHAL
248016
India 
Phone  9627951368  
Fax    
Email  praveenrikhari@gmail.com  
 
Source of Monetary or Material Support  
Swami Rama Himalayan University, Jollygrant, Dehradun 
 
Primary Sponsor  
Name  Praveen Rikhari 
Address  Assistant Professor, Department of Psychiatry, Himalayan Institute of Medical Sciences, Swami Rama Himalayan University, Jollygrant, Dehradun 
Type of Sponsor  Other [Individual - Prinicipal Investigator] 
 
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 
Praveen Rikhari  Himalayan Institute of Medical Sciences  Department of Psychiatry, Himalayan Institute of Medical Sciences, Swami Rama Himalayan University, Jollygrant, Dehradun
Dehradun
UTTARANCHAL 
9627951368

praveenrikhari@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Ethics Commitee  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  Lemborexant  5-10 milligram OD for 7 days 
Intervention  Melatonin  5-10 milligram OD for 7 days  
Comparator Agent  Placebo  Not applicable 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1. Those who will be diagnosed with delirium according to ICD-11
2. Those whose primary caregivers will provide written informed consent 
 
ExclusionCriteria 
Details  1. Substance withdrawal delirium
2. Postictal confusion/state
3. Patients who will be comatose
4. Intubated patients/Patients on complete mechanical ventilatory support
5. Those with severe hepatic impairment (Child-Pugh Class C)
6. Those scheduled for surgery
7. Patients who will be unable to take oral drugs 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Memorial Delirium Assessment Scale Score  4th Day, 8th Day 
 
Secondary Outcome  
Outcome  TimePoints 
All cause mortality  4th Day, 8th Day 
Time to recovery from delirium  4th Day, 8th Day 
 
Target Sample Size   Total Sample Size="117"
Sample Size from India="117" 
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 3 
Date of First Enrollment (India)   01/04/2025 
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="10"
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 - YES
  1. What data in particular will be shared?
    Response - Individual participant data that underlie the results reported in this article, after de-identification (text, tables, figures, and appendices).

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

  3. Who will be able to view these files?
    Response - Researchers who provide a methodologically sound proposal.

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

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

  6. For how long will this data be available start date provided 20-02-2025 and end date provided 20-02-2030?
    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  
This study will be a prospective, hospital-based, placebo-controlled, double- blind, three-arm, parallel randomized control trial. All the participants with delirium will be screened and those meeting the preset inclusion and exclusion criteria will be included in the study. Sociodemographic information, clinical data, and scores on the Memorial Delirium Assessment Scale (MDAS), Charlson Comorbidity Index (CCI), and Anticholinergic Burden Score (ABC) will be collected at baseline. After randomisation patient will be assigned to either Group A (lemborexant) or Group B (melatonin) or Group C (placebo group).
The starting dose for both lemborexant and melatonin at baseline would be one oral tablet of 5mg. Similarly, patients receiving placebo will be given one tablet initially. All subjects will be continuously monitored. Relevant clinical data and scores on the MDAS, CCI and ABC will be recollected on the 4th day and 8th day from baseline. In those with persistent delirium on the 4th day, the dose will be increased to 2 tablets or 10mg of either drug. Similarly, in patients receiving placebo dose will be increased to 2 tablets. A record of any adverse events will be maintained throughout the study period. The primary outcome measure of this study will be the change in MDAS scores from baseline to the 4th and 8th days. The secondary outcome measures of this study will be all cause mortality by the 8th day, and length of delirium.
 
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