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CTRI Number  CTRI/2020/09/027888 [Registered on: 18/09/2020] Trial Registered Prospectively
Last Modified On: 27/07/2025
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Case Control Study 
Study Design  Other 
Public Title of Study   Comparison of oral microbiome in orthodontic patients at Sleep Apnea risk with non-risk patients.  
Scientific Title of Study   Flowcytometric analysis of oral microbiome in orthodontic patients with Obstructive Sleep Apnea risk: A comparative pilot study 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Priyanka kapoor 
Designation  Professor 
Affiliation  Jamia Millia Islamia  
Address  Dept of Orthodontics Faculty of Dentistry, Jamia Millia Islamia

South
DELHI
110025
India 
Phone  9891914997  
Fax    
Email  pkapoor@jmi.ac.in  
 
Details of Contact Person
Scientific Query
 
Name  Prof Zahid Ashraf 
Designation  Professor 
Affiliation  Jamia Millia Islamia  
Address  Dept of Biotechnology, Jamia Millia Islamia

South
DELHI
110025
India 
Phone  9871426706  
Fax    
Email  zashraf@jmi.ac.in  
 
Details of Contact Person
Public Query
 
Name  Aman Chowdhry 
Designation  Professor 
Affiliation  Jamia Millia Islamia  
Address  Dept of Oral Pathology Faculty of Dentistry, Jamia Millia Islamia

South
DELHI
110025
India 
Phone  9810464443  
Fax    
Email  achowdhry@jmi.ac.in  
 
Source of Monetary or Material Support  
Jamia Millia Islamia University, New Delhi 
 
Primary Sponsor  
Name  Priyanka Kapoor 
Address  Dept of Orthodontics, Faculty of Dentistry, Jamia millia Islmia, New Delhi 
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
Jamia Millia Islamia  Jamia Millia Islamia, New Delhi, 110025 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Priyanka Kapoor  Faculty of Dentistry, Jamia Millia Islamia  Room No.210, Dept. of Orthodontics
South
DELHI 
9891914997

pkapoor@jmi.ac.in 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Internal Ethical Review Committee, Jamia Millia Islamia  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K117||Disturbances of salivary secretion,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  10.00 Year(s)
Age To  19.00 Year(s)
Gender  Both 
Details  1. Patients in 10-19 years of age.
2. Patients requiring fixed orthodontic treatment.
 
 
ExclusionCriteria 
Details  1. Patients requiring removable orthodontic treatment.
2. Patients with growth abnormalities/ syndromes/ mentally challenged.
3. Patients with reported periodontal problems/ metabolic disturbances.
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment    
Blinding/Masking    
Primary Outcome  
Outcome  TimePoints 
Microbial abundance from 6 different sites in mouth at three different time points using flowcytometry in orthodontic OSA-risk and Non-risk patients  At baseline(Before orthodontic treatment start, 4 weeks, 24 weeks 
 
Secondary Outcome  
Outcome  TimePoints 
Prevalence of OSA-risk in Orthodontic patients using questionnaire based screening   At the time of allocation into OSA- Risk and Non-risk groups 
 
Target Sample Size   Total Sample Size="20"
Sample Size from India="20" 
Final Enrollment numbers achieved (Total)= "24"
Final Enrollment numbers achieved (India)="24" 
Phase of Trial   N/A 
Date of First Enrollment (India)   11/01/2021 
Date of Study Completion (India) 11/03/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) 11/03/2025 
Estimated Duration of Trial   Years="3"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   NA 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary  

Establishing the dynamics of oral microbiota in OSA-risk orthodontic patients can help identify the potential population at OSA-risk before further confirmatory diagnosis and also to outline the specific needs in OSA patients regarding oral health care. The current study will attempt to address this gap in current OSA research using flowcytometry and also compare it sequentially with non-orthodontic oral microbial abundance. The advantage of flowcytometry  calculating absolute abundance data for microbial count, a possibility of, compared to relative abundances can allow comparisons between OSA-risk and Non–risk and also critical values can be determined for OSA– risk, if possible.

AIM: To compare difference in oral microbial abundance in OSA risk and non-risk orthodontic patients with flowcytometry within specified oral micro-habitats.

OBJECTIVES:

1.    To assess and compare microbial abundance using flowcytometry in OSA risk and non-risk orthodontic patients within 6 oral microhabitats at three different observation times.

2.    To compare microbial abundance using flowcytometry in orthodontic vs non orthodontic patients within 6 oral microhabitats.

 
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