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CTRI Number  CTRI/2025/10/095732 [Registered on: 08/10/2025] Trial Registered Prospectively
Last Modified On: 10/04/2026
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Case Control Study 
Study Design  Other 
Public Title of Study   Seeing Sleep Apnea Differently: A Study of Throat Anatomy Using 3D Imaging 
Scientific Title of Study   Dimensional and volumetric analysis of the oropharyngeal region in Obstructive Sleep Apnea patients using Cone Beam Computed Tomography- a case control 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  Palak Jain Choudhary 
Designation  Reader 
Affiliation  Peoples College of Dental Sciences and Research Center 
Address  Peoples College of Dental Sciences and Research Center, Department Of Oral Medicine And Radiology, Block A, room no. G1

Bhopal
MADHYA PRADESH
462037
India 
Phone  08461868282  
Fax    
Email  31jainaaryash@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Palak Jain Choudhary 
Designation  Reader 
Affiliation  Peoples College of Dental Sciences and Research Center 
Address  Peoples College of Dental Sciences and Research Center, Department Of Oral Medicine And Radiology, Block A, room no. G1

Bhopal
MADHYA PRADESH
462037
India 
Phone  08461868282  
Fax    
Email  31jainaaryash@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Palak Jain Choudhary 
Designation  Reader 
Affiliation  Peoples College of Dental Sciences and Research Center 
Address  Peoples College of Dental Sciences and Research Center, Department Of Oral Medicine And Radiology, block A, room no. G1

Bhopal
MADHYA PRADESH
462037
India 
Phone  08461868282  
Fax    
Email  31jainaaryash@gmail.com  
 
Source of Monetary or Material Support  
Peoples College Of Dental Sciences And Research Center, Ayodhya Bypass Rd, A Block, Bhanpur, Bhopal, Madhya Pradesh, India, 462037 
 
Primary Sponsor  
Name  Dr Palak Jain Choudhary 
Address  Peoples College Of Dental Sciences And Research Center, Ayodhya Bypass Rd, A Block, Bhanpur, Bhopal, Madhya Pradesh, India, 462037 
Type of Sponsor  Other [NIL] 
 
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 
Palak Jain Choudhary  Peoples College of Dental Sciences and Research Center  Department Of Oral Medicine And Radiology, Block A, Room no.G1
Bhopal
MADHYA PRADESH 
08461868282

31jainaaryash@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committe  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: G473||Sleep apnea,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  NIL  NIL  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  -group I-Obstructive Sleep Apnea patients- patients who will undergo Cone Beam Computed Tomography for various other diagnostic reasons (e.g., temporomandibular joint problems, condylar hyperplasia, assessment of impacted and supernumerary teeth etc).
-patients with suspected symptoms of Obstructive Sleep Apnea diagnosed for it by following a standard protocol.
-Epworth Sleepiness Scale more than 10, STOP BANG more than 3, Apnea Hypopnea Index more than 5
-Participants who provide written informed consent, agreeing to participate in the study and for their data to be used for research purposes.

-Group II- non Obstructive Sleep Apnea patients
-Individuals who will undergo Cone Beam Computed Tomography for various other diagnostic reasons (e.g., temporomandibular joint problems, condylar hyperplasia, assessment of impacted and supernumerary teeth, etc.).
-Age and gender matched Participants
-No history of snoring or any respiratory disorder
-Epworth Sleepiness Scale score from 2 to 10
-A STOP-BANG questionnaire score of less than 3
-Having anatomically normal airway as seen on Cone Beam Computed Tomography scan with no radiologically evident pathology in the airway.
-No history of cleft lip and palate, post maxillofacial trauma or surgery

 
 
ExclusionCriteria 
Details  •patients with heart disease
•Pregnant women radiation hazards.
•History of craniofacial anomalies or surgeries
•Neurological disorders affecting respiration
•Incomplete Cone Beam Computed Tomography data
•Individuals who have had major surgery or hospitalization within the last six months.
•Individuals who refuse to sign the consent agreement.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
Comparison of oropharyngeal airway volume and Minimum cross sectional area between OSA patients and healthy controls  at Baseline  
 
Secondary Outcome  
Outcome  TimePoints 
Differences in soft palate & tongue length  at Baseline 
 
Target Sample Size   Total Sample Size="20"
Sample Size from India="20" 
Final Enrollment numbers achieved (Total)= "20"
Final Enrollment numbers achieved (India)="20" 
Phase of Trial   N/A 
Date of First Enrollment (India)   24/10/2025 
Date of Study Completion (India) 10/04/2026 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) 10/04/2026 
Estimated Duration of Trial   Years="0"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
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 observational study aims to evaluate volumetric and dimensional differences in the oropharyngeal airway between patients with Obstructive Sleep Apnea (OSA) and healthy individuals using upright Cone Beam Computed Tomography (CBCT) scans. Twenty subjects will be divided into two groups based on Epworth Sleepiness Scale (ESS), STOP-BANG scores, and Apnea-Hypopnea Index (AHI). Key parameters assessed include oropharyngeal airway volume, minimum cross-sectional area (MCA), anteroposterior and lateral dimensions, soft palate and tongue length. The study seeks to identify anatomical markers associated with OSA to support improved diagnostic and therapeutic strategies.

 
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