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CTRI Number  CTRI/2025/04/084183 [Registered on: 04/04/2025] Trial Registered Prospectively
Last Modified On: 04/04/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Single Arm Study 
Public Title of Study   Nasal breathing pattern as an Assessment Tool for disease severity in Common Mental Disorders 
Scientific Title of Study   Clinical utility of Prana Reset Time while imparting Yoga therapy for Common Mental Disorders 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Vibha S Gupta 
Designation  Post Graduate student 
Affiliation  National Institute of Mental Health and Neurosciences 
Address  Department of Integrative medicine, NIMHANS, Hosur road, Bengaluru

Bangalore
KARNATAKA
560029
India 
Phone  7353535606  
Fax    
Email  vibhasgupta6@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Hemant Bhargav 
Designation  Associate proffessor 
Affiliation  National Institute of Mental Health and Neurosciences 
Address  Department of Integrative medicine, NIMHANS, Hosur road, Bengaluru

Bangalore
KARNATAKA
560029
India 
Phone  8762019348  
Fax    
Email  drbhargav.nimhans@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Hemant Bhargav 
Designation  Associate proffessor 
Affiliation  National Institute of Mental Health and Neurosciences 
Address  Department of Integrative medicine, NIMHANS, Hosur road, Bengaluru

Bangalore
KARNATAKA
560029
India 
Phone  8762019348  
Fax    
Email  drbhargav.nimhans@gmail.com  
 
Source of Monetary or Material Support  
National Institue of Mental Health and Neurosciences, Hosur road, Bengaluru - 560029, Karnataka, India  
 
Primary Sponsor  
Name  National Institute of Mental Health and Neurosciences 
Address  Hosur road, Bengaluru, 560029 
Type of Sponsor  Research institution and hospital 
 
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 Hemant Bhargav  National Institute of Mental Health and Neuro Sciences  Room no 1, first floor, yoga centre building, department of Integrative Medicine, NIMHANS, Bengaluru, 560029, Karnataka, India
Bangalore
KARNATAKA 
8762019348

drbhargav.nimhans@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Human Ethics Committee for Research in AYUSH and integrative Medicine  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: F209||Schizophrenia, unspecified, (2) ICD-10 Condition: F429||Obsessive-compulsive disorder, unspecified, (3) ICD-10 Condition: F411||Generalized anxiety disorder, (4) ICD-10 Condition: F339||Major depressive disorder, recurrent, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  Patients with depression, anxiety, Obsessive Compulsive Disorder, Schizophrenia according to DSM5 and Healthy individuals with GHQ-12 score equal to or less than 12 of both genders who has given written informed consent.
 
 
ExclusionCriteria 
Details  1. Patients not willing to give informed consent.
2. Abnormalities of the nasal cavity such as nasal septal deviation or nasal polyps.
3. Use of medication that could influence autonomic function (e.g., phenylpropanolamine as a common cold remedy).
4. Any upper respiratory tract infection that could cause nasal blockage
5. History of current medical illness that may significantly affect brain functions
6. Impaired general intellectual functioning (Mini-Mental Status Exam, MMSE below 24).
7. Past history of head injury or concomitant severe medical conditions.
8. Pregnant or post-partum subjects
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To assess and compare PRT in the healthy individuals and patients suffering from CMDs (anxiety, depression, obsessive compulsive disorder and schizophrenia) and to correlate PRT and the severity of common mental diseases  Baseline 
 
Secondary Outcome  
Outcome  TimePoints 
To check the test retest reliability of PRT  Baseline 
To assess the correlation between subjective feeling and objective score of nasal dominance (as assessed by acoustic rhinometer)   Baseline 
To check the effect of 1 week practice of respective validated yoga modules on the prana reset time and clinical course  Baseline and 1 week of follow up 
 
Target Sample Size   Total Sample Size="240"
Sample Size from India="240" 
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)   01/05/2025 
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="1"
Months="0"
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  

This study explores the clinical utility of Prana Reset Time (PRT) as an assessment tool while imparting yoga therapy for common mental disorders. A total of 240 participants will be recruited, including 120 healthy volunteers and 120 patients diagnosed with depression (30), OCD (30), schizophrenia (30), and anxiety disorders (30).

Study Design

Patients will be assessed for disease severity, while healthy individuals will be evaluated for general health. The study will include:

1. Nasal Dominance Assessment: Initially assessed subjectively, then confirmed using an acoustic rhinometer.

2. Prana Reset Time (PRT) Measurement: Participants will perform 15 sets of forward and backward bends, after which nasal dominance will be periodically reassessed until it returns to baseline. The time taken for restoration will be recorded. The entire set will be repeated. 

3. Yoga Intervention: n/3 patients will practice their respective validated yoga module for one week.

4. Safety and Medication Monitoring: Any adverse events will be documented, and medications prescribed and taken by both groups will be recorded throughout the study.

The study will evaluate PRT and its correlation with disease severity using standardized psychological and clinical assessment tools, including:

1. Perceived Stress Scale (PSS)

2. Hamilton Anxiety Rating Scale (HAM-A)

3. Hamilton Depression Scale (HAM-D) 

4.Yale-Brown Obsessive-Compulsive Scale (YBOCS)

5. Brief Psychiatry Rating Scale (BPRS)

6. General Health Questionnaire (GHQ-12)

7. Clinical Global Impression Scale – Severity of Illness (CGI-S)

By analysing these parameters, the study aims to determine whether PRT can serve as a reliable physiological marker for assessing the severity of mental health disorders. Findings from this research may contribute to integrating yoga-based assessments into clinical practice for better mental health management.


 
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