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CTRI Number  CTRI/2025/03/082425 [Registered on: 17/03/2025] Trial Registered Prospectively
Last Modified On: 14/03/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Yoga & Naturopathy 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Does Hot and Cold Wet Cloth affect Breathing and Heart Rate. 
Scientific Title of Study   To Evaluate the Immediate Effect of Hot and Cold Lung Compress on Cardiopulmonary Parameters in Healthy Individuals: A Randomized Controlled Trial 
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 Minu Rajalakshmi R L 
Designation  Post graduate scholar 
Affiliation  Internatioanal Institute of Yoga and Naturopathy Medical Sciences 
Address  184/4, Internatioanal Institute of Yoga and Naturopathy Medical Sciences, Faculty block(First floor), Department of Naturopathy, Kamarajar Nagar, Chengalpattu.

Kancheepuram
TAMIL NADU
603001
India 
Phone  6381877182  
Fax    
Email  minurajalakshmi.23@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr M Pandiaraja 
Designation  Head of the Department - Naturopathy (Incharge) 
Affiliation  Internatioanal Institute of Yoga and Naturopathy Medical Sciences 
Address  184/4, Internatioanal Institute of Yoga and Naturopathy Medical Sciences, Faculty block(First floor), Department of Naturopathy, Kamarajar Nagar, Chengalpattu.

Kancheepuram
TAMIL NADU
603001
India 
Phone  9952448729  
Fax    
Email  drpandiarajamuthupandimd@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr M Pandiaraja 
Designation  Head of the Department - Naturopathy (Incharge) 
Affiliation  Internatioanal Institute of Yoga and Naturopathy Medical Sciences 
Address  184/4, Internatioanal Institute of Yoga and Naturopathy Medical Sciences, Faculty block(First floor), Department of Naturopathy, Kamarajar Nagar, Chengalpattu.

Kancheepuram
TAMIL NADU
603001
India 
Phone  9952448729  
Fax    
Email  drpandiarajamuthupandimd@gmail.com  
 
Source of Monetary or Material Support  
184/4, International Institute of Yoga and Naturopathy Medical Sciences, Faculty block(First Floor), Department of Naturopathy, Kamarajar Nagar, Chengalpattu-603001, Tamilnadu, India. 
 
Primary Sponsor  
Name  Dr Minu Rajalakshmi R L 
Address  184/4, International Institute of Yoga and Naturopathy Medical Sciences, Faculty block(First Floor), Department of Naturopathy, Kamarajar Nagar, Chengalpattu-603001, Tamilnadu, India. 
Type of Sponsor  Other [Self] 
 
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 Minu Rajalakshmi R L  International Institute of Yoga and Naturopathy Medical Sciences  184/4, Internatioanal Institute of Yoga and Naturopathy Medical Sciences, Faculty block (First floor), Department of Naturopathy, Kamarajar Nagar, Chengalpattu.
Kancheepuram
TAMIL NADU 
06381877182

minurajalakshmi.23@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
International Institute of Yoga and Naturopathy Medical College and Sciences, Chengalpattu, Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Healthy individuals  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Application of hot and cold lung compress   Subjects will be given hot and cold lung compress for 20 minutes, where a hot fomentation bag will be applied over the dorsal region reaching from the base of the neck to the level of the thoracic vertebrae 12 region, while the cold compress will cover the ventral side from the base of the neck, the whole anterior surface of the chest to the level of the lowest rib. The water temperature will be maintained for hot compress at (98-104 degree F) and for cold compress at (55-65 degree F) 
Comparator Agent  Lying in a resting position  Controls will be lying down in supine position with a cotton cloth wrapped around their thorax. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  40.00 Year(s)
Gender  Both 
Details  Individuals who are healthy, does not currently or previously have a history of cardiac and/or respiratory systemic disorders of both genders. Individuals who are willing to give consent. 
 
ExclusionCriteria 
Details  Individuals who currently have and/or previously had a history of cardiac, respiratory systemic illness due to primary or secondary causes. Individuals with a previous history of thoracic and abdominal surgery. Individuals with a habit of chewing tobacco and smoking. Individuals who practice regular active and aquatic sports. Individuals who are pregnant, lactating and menstruating women. Individuals who are not willing to participate in the study. 
 
Method of Generating Random Sequence   Adaptive randomization, such as minimization 
Method of Concealment   On-site computer system 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Assessment of Peak Expiratory Flow Rate (PEFR) and Forced Expiratory Volume (FEV1).  The values of Peak Expiratory Flow Rate (PEFR) and Forced Expiratory Volume (FEV1) will be measured before and after the intervention. (Pre- and post-study). 
 
Secondary Outcome  
Outcome  TimePoints 
Assessment of Heart Rate Variability (HRV)  values of Heart Rate Variability (HRV) before, during, & after the intervention. 
 
Target Sample Size   Total Sample Size="90"
Sample Size from India="90" 
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 2 
Date of First Enrollment (India)   13/04/2025 
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="1"
Months="2"
Days="2" 
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 - YES
  1. What data in particular will be shared?
    Response - All of the individual participant data collected during the trial, after de-identification.

  2. What additional supporting information will be shared?
    Response -  Study Protocol
    Response - Informed Consent Form

  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 - To achieve aims in the approved proposal.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [minurajalakshmi.23@gmail.com].

  6. For how long will this data be available start date provided 13-04-2025 and end date provided 17-11-2026?
    Response - Immediately following publication. No end date.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - NIL
Brief Summary  

Cardiorespiratory fitness (CRF) is a key indicator of overall health, reflecting the body’s ability to transport oxygen and nutrients to cells. CRF is linked to cardiovascular and respiratory health, and research shows that it is a reliable predictor of cardiovascular disease and mortality. In fact, studies suggest that CRF is a more reliable indicator of cardiovascular health than traditional risk factors like hypertension, diabetes, and obesity.


Pulmonary function tests (PFTs), such as Peak Expiratory Flow Rate (PEFR) and Forced Expiratory Volume (FEV), provide valuable insights into lung function. Heart rate and heart rate variability (HRV) are also important indicators of cardiovascular health. HRV, in particular, is emerging as a tool for diagnosing cardiac diseases. Naturopathic treatments, including hydrotherapy, aim to restore health by promoting healthy lifestyle habits and using natural remedies.


The application of hot and cold compresses, specifically lung compresses, may have a positive impact on heart rate variability, pulmonary function tests, and overall cardiopulmonary fitness. Research suggests that cold compresses can reduce heart rate and blood pressure, while hot compresses can improve pulmonary function. The use of lung compresses may be a useful adjunctive therapy for improving cardiovascular and respiratory health.

 
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