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CTRI Number  CTRI/2022/10/046183 [Registered on: 04/10/2022] Trial Registered Prospectively
Last Modified On: 12/04/2023
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Case Control Study 
Study Design  Single Arm Study 
Public Title of Study   An exploratory study to evaluate relationship between interoception and sleep quality 
Scientific Title of Study   Interoception and Sleep: An exploratory study to evaluate relationship between interoception and sleep quality 
Trial Acronym  DZ_NIM_Slp 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Ravindra PN 
Designation  Associate Professor Department of Neurophysiology 
Affiliation  NIMHANS 
Address  1st floor, Sleep Laboratory at Centre for Consciousness Studies, Dept of Neurophysiology, NIMHANS Administrative block, WHRX 56W, Lakkasandra, Laljinagar, Wilson Garden, Hosur Road

Bangalore
KARNATAKA
560029
India 
Phone  9448934488  
Fax    
Email  ravindrapinna@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Pooja Kadambi  
Designation  Head, Innovation and Clinical Research 
Affiliation  Turtle Shell Technologies  
Address  Turtle Shell Technologies City Centre, 40, Ground & Mezzanine flr, Nomads Daily Huddle, Chinmaya Mission Hospital Rd, Indiranagar, Bengaluru

Bangalore
KARNATAKA
560038
India 
Phone  9611197910  
Fax    
Email  pooja@dozee.io  
 
Details of Contact Person
Public Query
 
Name  Pooja Kadambi  
Designation  Head, Innovation and Clinical Research 
Affiliation  Turtle Shell Technologies  
Address  Turtle Shell Technologies City Centre, 40, Ground & Mezzanine flr, Nomads Daily Huddle, Chinmaya Mission Hospital Rd, Indiranagar, Bengaluru

Bangalore
KARNATAKA
560038
India 
Phone  9611197910  
Fax    
Email  pooja@dozee.io  
 
Source of Monetary or Material Support  
Turtle Shell Technologies Private Limited City Centre, #40, Ground & Mezzanine flr, Nomads Daily Huddle, Chinmaya Mission Hospital Rd, Indiranagar, Bengaluru, Karnataka 560038  
 
Primary Sponsor  
Name  Turtle Shell Technologies Private Limited  
Address  City Centre, #40, Ground & Mezzanine flr, Nomads Daily Huddle, Chinmaya Mission Hospital Rd, Indiranagar, Bengaluru, Karnataka 560038  
Type of Sponsor  Other [Medical Device] 
 
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 Ravindra P N  NIMHANS  1st Floor, Sleep Laboratory at Centre for Consciousness Studies, Dept. of Neurophysiology, NIMHANS Administrative Block, WHRX 56W, Lakkasandra, Laljinagar, Wilson Garden, Hosur Road
Bangalore
KARNATAKA 
9448934488

ravindrapinna@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
NATIONAL INSTITUTE OF MENTAL HEALTH AND NEURO SCIENCES  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Healthy subjects between the age group of 20-70 years of age, both sexes 
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  20.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  1. Healthy volunteers of ages >20 years and <70 years within weight range 40 kg - 125 kg
2. Provide informed consent for the participation in an overnight study at the sleep lab. 
 
ExclusionCriteria 
Details  1. Subject has any history of medical and sleep disorder syndrome, drug or alcohol dependence and not under any medication as assessed by personal interviews.
2. Volunteers of ages <20 years and >70 years outside of the weight range 40 kg - 120 kg
3. Volunteers with disturbed sleep one night before the actual sleep recordings 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
1. Validation of Dozee sleep staging, breathing rate, heart rate variability and snore detection to sleep lab polysomnography-based assessment.
2. Evaluating the impact of environment specifically light, sound and temperature on sleep quality
3. Evaluation of macrosleep architecture parameters such sleep stages duration, sleep stage percentage, sleep efficiency etc.
4. Evaluation of EEG dynamics (the synchrony, frequency, spectrum, amplitude, coherence and topography of the frequency bands- alpha, beta, theta, delta and gamma) associated with sleep states.
5. Evaluation of biological level of melatonin and cortisol before and after the sleep. 
At Baseline 
 
Secondary Outcome  
Outcome  TimePoints 
NA  NA 
 
Target Sample Size   Total Sample Size="150"
Sample Size from India="150" 
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)   10/10/2022 
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="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Yet Recruiting 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details   NIL 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary  

 The present study aims:

1. To study the relationship between sleep variables and interoceptive neural correlates using dozee sleep quality algorithm.

2. To study the biological and behavioural correlates of stress with subjective and objective sleep variables

This is a single-arm prospective study that assess introceptive awareness and concurrent sleep data from Dozee and the polysomnography system. It is an observational study that is conducted with healthy volunteers and not intended for diagnostic or interventional purposes.

Dozee device developed by Turtle Shell Technologies Pvt. Ltd., is intended for contactless continuous monitoring of vital parameters (HR and RR), and screening for abnormal changes in these parameters. The device uses the concept of ballistocardiography and deploys piezoelectric sensors to capture the micro-vibrations originating from cardiac contractions, upper respiratory tract activity and body movements. This data is then analyzed by a proprietary algorithm and the values of the vital parameters are generated. The device is intended to be used to monitor individuals/patients greater than eighteen years of age (40 kg ≤ weight ≤ 120 kg) and can measure their vital signs during sleep and resting state. The setup includes placing a sensor under the mattress, and a bedside unit on a nearby flat surface. The other components of the setup are Power cords and Power adapter. Thus, a power outlet with sufficient plug sockets near the bed will be required.


 
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