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CTRI Number  CTRI/2026/01/101796 [Registered on: 22/01/2026] Trial Registered Prospectively
Last Modified On: 06/01/2026
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   How Poor Sleep Affects Muscle Strength and Tiredness in People with Sleep Apnea 
Scientific Title of Study   Association between sleep quality with peripheral muscle strength and fatigue in Individuals with Obstructive Sleep apnea: A cross-sectional study 
Trial Acronym  nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Bavatharani k 
Designation  PG Resident 
Affiliation  KMCH College of Physiotherapy 
Address  7/6 veerapandi amman kovil street dindigul

Coimbatore
TAMIL NADU
624001
India 
Phone  8610092488  
Fax    
Email  bavatharanisbb@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Mrs. Kalpana A P 
Designation  Professor 
Affiliation  KMCH College of Physiotherapy 
Address  Department of Physiotherapy, Room mo. 001, Sf no. 259 and 267, kalapatti post coimbatore

Coimbatore
TAMIL NADU
641048
India 
Phone  9842090310  
Fax    
Email  apkalpanapt@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Bavatharani k 
Designation  PG Resident 
Affiliation  KMCH College of Physiotherapy 
Address  7/6 veerapandi amman kovil street dindigul

Coimbatore
TAMIL NADU
624001
India 
Phone  8610092488  
Fax    
Email  bavatharanisbb@gmail.com  
 
Source of Monetary or Material Support  
Kovai medical center and hospital 
 
Primary Sponsor  
Name  KMCH College of Physiotherapy 
Address  SF No 259 and 267 kalapatti post coimbatore 
Type of Sponsor  Private medical college 
 
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 Santhakumar  Kovai medical center and hospital  Department of pulmonology, 99 Avinashi road civil aerodrome coimbatore 641014
Coimbatore
TAMIL NADU 
9659163000

drskumar.chest@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional human ethics committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J984||Other disorders of lung,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  35.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Newly diagnosed with obstructive sleep apnea
stable medical condition
able to perform 5times sit to stand test and hand grip strength test 
 
ExclusionCriteria 
Details  patient with severe cardiorespiratory condition and patient currently using cpap for treatment, severe obesity, chronic fatigue syndrome, severe upper airway anatomical abnormality, central and mixed sleep apnea  
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
peripheral muscle strength-
handheld dynamometer, five times sit to stand test 
Baseline only 
 
Secondary Outcome  
Outcome  TimePoints 
fatigue - fatigue severity scale  baseline only 
 
Target Sample Size   Total Sample Size="100"
Sample Size from India="100" 
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)   01/02/2026 
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="8"
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  
Obstructive Sleep Apnea (OSA) is a condition where breathing repeatedly stops during sleep, leading to poor sleep quality and low oxygen levels at night. This can make people feel tired during the day and may affect their muscle strength.

This study aims to find out if poor sleep in OSA patients is linked to weaker muscles and increased fatigue. We will assess sleep quality using a sleep test (polysomnography), focusing on factors like breathing interruptions (AHI), oxygen levels, and sleep efficiency.

Muscle strength will be measured using a hand-held dynamometer and a sit-to-stand test. Fatigue levels will be checked using the Fatigue Severity Scale.

By comparing sleep data with strength and fatigue, we hope to understand how sleep problems affect physical health. The findings can help improve treatment plans to not only manage sleep but also improve energy and strength in people with OSA.
 
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