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CTRI Number  CTRI/2025/09/094149 [Registered on: 03/09/2025] Trial Registered Prospectively
Last Modified On: 02/09/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Physiotherapy (Not Including YOGA) 
Study Design  Other 
Public Title of Study   Treshold training and biofeebback training given for COPD improves the morphological changes and strengthens the respiratory muscles of the same 
Scientific Title of Study   THRESHOLD TRAINING VERSUS BIOFEEDBACK TRAINING ON MORPHOLOGICAL CHANGES IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE 
Trial Acronym  TTBT- COPD 
Secondary IDs if Any  
Secondary ID  Identifier 
nil  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  S Sathya 
Designation  Assistant professor 
Affiliation  MMM college of health sciences 
Address  Flat no:2 B, vgn olive creek, 3rd main road, vgn mahalakshmi nagar, thiruverkadu, Chennai

Thiruvallur
TAMIL NADU
600077
India 
Phone  9677082942  
Fax    
Email  sathyammm2022@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Jibi Paul 
Designation  Professor, supervisor PhD program 
Affiliation  Faculty of Physiotherapy Dr. MGR educational and research institute, 
Address  Dr. MGR educational and research institute, Faculty of Physiotherapy, Velappanchavadi, Chennai

Thiruvallur
TAMIL NADU
600077
India 
Phone  9061470448  
Fax    
Email  physiojibi@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Jibi Paul 
Designation  Professor, supervisor PhD program 
Affiliation  Faculty of Physiotherapy Dr. MGR educational and research institute, 
Address  Dr. MGR educational and research institute, Faculty of Physiotherapy, Velappanchavadi, Chennai

Thiruvallur
TAMIL NADU
600077
India 
Phone  9061470448  
Fax    
Email  physiojibi@gmail.com  
 
Source of Monetary or Material Support  
MMM COLLEGE OF HEALTH SCIENCES, EAST MOGAPPAIR, CHENNAI- 600107 
 
Primary Sponsor  
Name  S. SATHYA 
Address  MMM COLLEGE OF HEALTH SCIENCES, EAST MOGAPPAIR, CHENNAI- 600107 
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 
Sathya Suriyamoorthy  ACS MEDICAL COLLEGE AND HOSPITA  Ponamallee high road, Velappanchavadi, Chennai- 600077
Chennai
TAMIL NADU 
09677082942

sathyammm2022@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Instituitional Ethics committee, Dr. M.G.R Educational and research Institute  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J440||Chronic obstructive pulmonary disease with acute lower respiratory infection,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Incentive spirometry and pused lip breathing exercise  Incentive spirometry- 10 repititions twice daily for 12 weeks and pursed lip breathing exercise for 15 minutes per day for 12 weeks 
Intervention  Threshold training  Threshold training given for 45 mins 4 times a week for 12 weks 
 
Inclusion Criteria  
Age From  45.00 Day(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Stable moderate COPD subjects both male and female under the age group of 45-65 years, FEV1/FVC RATIO 60-59% 
 
ExclusionCriteria 
Details  Subjects with severe COPD and chest infections, severe or unstable cardiac diseases, recent thoracic surgeries and severe exacerbation 
 
Method of Generating Random Sequence   Stratified block randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Pulmonary functions using Spirometer and morphological changes in lungs using CT scan  Pulmonary functions and morphological changes in lungs  
 
Secondary Outcome  
Outcome  TimePoints 
Inspiratory muscle strength and quality of life  Inspiratory muscle strength and quality of life 
 
Target Sample Size   Total Sample Size="126"
Sample Size from India="126" 
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 1 
Date of First Enrollment (India)   15/09/2025 
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="6"
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 experimental study aims to evaluate the effects of threshold training, biofeedback training and conventional training on improving the  morphological changes in subjects with stable moderate COPD aged 45-65 years. The study will be conducted at the out patient department of Faculty of physiotherapy, department of pulmonology, ACS medical college and hospital, which involves 126 both male and female subjects divided into three groups with 42 participants in each group, undergoing 45 minute sessions four times weeekly over a period of 12 weeks. The primary aim is to investigate the effectiveness of these interventions in improving the morphological changes and pulmonary functions among the copd subjects. The primary objective being a comparitive analysis of  threshold training versus biofeedback training on morphological changes in copd. Secondary objectives includes assesing the individual effects of each intervention like threshold trainin, biofeedback training and conventional training on these parameters. Outcome measures encompass lung functions, inspiratory muscle strength, morphological changes in lungs and quality of life. The results will be revealed after the intervention period and its intended to identify the most effective physiotherapy approach for improving the lung condition and functional capacity in subjects with copd.  
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