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CTRI Number  CTRI/2018/11/016360 [Registered on: 15/11/2018] Trial Registered Retrospectively
Last Modified On: 13/11/2018
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Randomized, Crossover Trial 
Public Title of Study   Indicators of Gum Diseases 
Scientific Title of Study   Comparative evaluation of Gingival Crevicular Fluid haem and microbial composition in smokers and non-smokers with chronic localized periodontitis- A Clinicomicrobiologial study. 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Shobha Krishna Subbaiah 
Designation  READER 
Affiliation  THE OXFORD DENTAL COLLEGE AND HOSPITAL 
Address  Department of Periodontics, The Oxford Dental College Bommanahalli, Hosur road, Bangalore.
The Oxford Dental College Bommanahalli, Hosur road,Bangalore
Bangalore
KARNATAKA
560068
India 
Phone  09743414604  
Fax  080-30410569  
Email  shobhasubbaiah@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Shobha Krishna Subbaiah 
Designation  READER 
Affiliation  THE OXFORD DENTAL COLLEGE AND HOSPITAL 
Address  Department of Periodontics, The Oxford Dental College Bommanahalli, Hosur road, Bangalore.
The Oxford Dental College Bommanahalli, Hosur road, Bangalore.
Bangalore
KARNATAKA
560068
India 
Phone  09743414604  
Fax  080-30410569  
Email  shobhasubbaiah@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Shobha Krishna Subbaiah 
Designation  READER 
Affiliation  THE OXFORD DENTAL COLLEGE AND HOSPITAL 
Address  Department of Periodontics, The Oxford Dental College Bommanahalli, Hosur road, Bangalore
The Oxford Dental College Bommanahalli, Hosur road, Bangalore
Bangalore
KARNATAKA
560068
India 
Phone  09743414604  
Fax  080-30410569  
Email  shobhasubbaiah@gmail.com  
 
Source of Monetary or Material Support  
Rajiv Gandhi university of health sciences 4th T block Jayanagar Bangalore 560041  
 
Primary Sponsor  
Name  Rajiv Gandhi University of Health Sciences Karnataka 
Address  Rajiv Gandhi University of Health Sciences, Karnataka, 4th T Block, Jayanagar, bangalore-560041 
Type of Sponsor  Government funding agency 
 
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 Shobha Krishna Subbaiah  The Oxford dental college and hospital, Bangalore.  The Oxford Dental College and Hospital Bommanahalli Electronic city main road
Bangalore
KARNATAKA 
09743414604

shobhasubbaiah@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
IECTODC  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: 4||Measurement and Monitoring,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  GCF free haem concentration and subgingival microbial composiiton is compared at periodontally healthy and diseased sites in smokers and non-smokers  GCF free haem and subgingival microbial composition is correlated with periodontal clinical paramenters and to note if any difference is there between smokers and non-smokers 
 
Inclusion Criteria  
Age From  20.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  1. Systemically healthy individuals aged between 20-50 years
2. Subjects with at least 20 teeth and 2 non-adjacent probing pocket depth ≥ 5mm and CAL ≥ 3mm per quadrant with radiographic bone loss >20%.
3. Current smokers i.e. persons who have smoked 100 cigarettes and who currently smoke every day or someday will be selected (smokers group)6
 
 
ExclusionCriteria 
Details  1. Medically compromised patients or any systemic illness which can influence the haemoglobin level of the subject.
2. Pregnant/lactating women
3. Subjects who have taken antibiotics before the initiation of study
4. Subjects with a history of periodontal treatment in the last 6 months
5. Subjects with symptoms of acute illness, orthodontic appliances or presence of oral mucosal inflammatory conditions or salivary gland dysfunction
 
 
Method of Generating Random Sequence   Random Number Table 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Initiation and progression of periodontal diseases is the result of a complex interaction between the bacteria colonizing the gingival crevice and the innate and inflammatory responses of the host.this study aims to closely investigate the relationship between GCF free haem concentration, subgingival microbial composition and periodontal clinical parameters in smokers and non-smokers and find out if GCF free haem could be used as a biomarker for periodontal diseases.  3 months 
 
Secondary Outcome  
Outcome  TimePoints 
This will help us in identifying susceptible patients in large populations very easily and quickly as it is a chair side diagnostic test. It will also help us to identify active diseased sites, predict sites vulnerable for future breakdown and serve as surrogate end points for monitoring the effectiveness of therapy which may not be possible with conventional diagnostic aids  2 points 
 
Target Sample Size   Total Sample Size="74"
Sample Size from India="74" 
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)   07/05/2018 
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="25" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details   1. Bodet C, Chandad F, Grenier D. Haemoglobin and LPS act in synergy to amplify the inflammatory response. J Dent Res 2007; 86(9):878-882,. 2. Richter HJ et al. Hemoglobin Enhances the Biological Activity of Synthetic and Natural Bacterial (Endotoxic) Virulence Factors: A General Principle. Medicinal Chemistry 2008;4(6):520-525. 3. Liu LY, McGregor N, Wong BKJ, Butt H, Darby IB.The association between clinical parameters and free haem concentration within the gingival crevicular field: a pilot study. J Periodont Res 2016;51:86-94. 4. MaFaul SJ, Bowman PD, Villa VM. Hemoglobin stimulates the release of proinflammatory cytokines from leukocytes in whole blood. J Lab Clin Med 2000;135:263-269. 5. Behl N et al. Delineation of lipopolysaccharide (LPS)-binding sites on hemoglobin. Journal of Biological Chemistry 2011;286(43):37793-37803.  
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary  

 study aims to investigate the level of local free haem in GCF at periodontally healthy sites compared with diseased sites in relation to clinical parameters and also to determine any correlation between smoking and haem concentrations at healthy and diseased sites. From a total of 74 subjects  GCF and subgingival plaque samples  will be collected from healthy and diseased sites in both smokers and non-smokers.

 
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