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CTRI Number  CTRI/2024/05/067181 [Registered on: 10/05/2024] Trial Registered Prospectively
Last Modified On: 22/08/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Single Arm Study 
Public Title of Study   Measurement of Salivary Matrix  Metalloproteinease-8 Levels in stage 1 and stage 2 gums disease patients 
Scientific Title of Study   Estimation of salivary matrix metalloproteinase 8 levels in stage-1 and stage-2 periodontitis patients 
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Chennuru Sree ramya 
Designation  PG student 
Affiliation  Sibar institute of dental sciences guntur 
Address  Room no 8, department of periodontology,Sibar institute of dental sciences,Takellapadu, guntur.

Guntur
ANDHRA PRADESH
522509
India 
Phone  9121799309  
Fax    
Email  sreeramyachennuru@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr D Ravindranath 
Designation  Professor & HOD 
Affiliation  Sibar institute of dental sciences guntur 
Address  Room no 8, department of periodontology,Sibar institute of dental sciences,Takellapadu,guntur.

Guntur
ANDHRA PRADESH
522509
India 
Phone  9849222259  
Fax    
Email  ravident69@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr D Ravindranath 
Designation  Professor & HOD 
Affiliation  Sibar institute of dental sciences guntur 
Address  Room no 8,department of periodontology, Sibar institute of dental sciences,Takellapadu,guntur.

Guntur
ANDHRA PRADESH
522509
India 
Phone  9849222259  
Fax    
Email  ravident69@gmail.com  
 
Source of Monetary or Material Support  
Sibar institute of dental sciences,takkellapadu,guntur,Andhrapradesh,India,522509 
 
Primary Sponsor  
Name  Chennuru Sree ramya 
Address  Room no 8 ,department of periodontology,sibar institute of dental sciences,takkellapadu,Guntur, Andhra pradesh,India,522509. 
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 
Dr D Ravindranath  Sibar institute of dental sciences  Room no,2nd floor,department of periodontology,sibar institute of dental sciences,takkellapadu, guntur 522509
Guntur
ANDHRA PRADESH 
9849222259

ravident69@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Sibar institute of dental sciences  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K053||Chronic periodontitis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  NIL  NIL 
 
Inclusion Criteria  
Age From  20.00 Year(s)
Age To  55.00 Year(s)
Gender  Both 
Details  1. Age group 20-55 years
2. Apparently healthy subjects
3. Presence of at least 20 teeth
4. Subjects with Healthy periodontium
5. Subjects with Stage â…  periodontitis
6. Subjects with Stage â…¡ periodontitis

 
 
ExclusionCriteria 
Details  1.H/o drug usage in last 6 months
2.Periodontal treatment in last 6 months
3.Pregnant (or) lactating women
4.Any form of tobacco use
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Evaluation of salivary MMP-8 levels in stage 1 and stage 2 periodontitis individuals  At baseline 
 
Secondary Outcome  
Outcome  TimePoints 
Measurement of probing depth & clinical attachment level  At baseline 
 
Target Sample Size   Total Sample Size="84"
Sample Size from India="84" 
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)   01/06/2024 
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="6" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Yet Recruiting 
Recruitment Status of Trial (India)  Open to Recruitment 
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   Periodontitis is a multifactorial inflammatory chronic disease initiated by dysbiosis of the commensal oral microbiota. Its pathogenesis is related to a complex interaction between periodontal bacteria (such as Porphyromonas gingivalis, Tannerella forsythia, Fusobacterium nucleatum, and Aggregatibacter actinomycetemcomitans) and the host inflammatory cell-mediated immune response, and if exaggerated, this phenomenon may lead to the deeper periodontal tissue destruction.Conventional clinical diagnostic methods such as probing depth, bleeding on probing, attachment level, indices and radiographs are often insufficient to determine the sites of active disease.Saliva as a mirror of oral and systemic health is a valuable source of clinically relevant information as it contains biomarkers that are specific to the unique physiological aspects of periodontal diseases.Saliva contains locally and systemically derived markers of periodontitis. Higher enzyme activities were observed in chronic periodontitis patients than in healthy controls.

During the visit of the patients to the department, Clinical examination will be performed. Based on the inclusion and exclusion criteria, a total of 84 patients will be selected into the study. Out of it the sample is equally divided into 3 groups and clinical parameters will be recorded.

Group 1: periodontally healthy patients (n=28) 

Group 2: Stage â…  Periodontitis patients (n=28)

Group 3: Stage â…¡ periodontitis patients (n=28)

 unstimulated saliva sample will be collected from the patient and salivary MMP-8 levels will be measured and compared between the groups.

 
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