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CTRI Number  CTRI/2023/03/051072 [Registered on: 27/03/2023] Trial Registered Prospectively
Last Modified On: 24/01/2024
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug
Dentistry 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Effect of Doxycycline and Metformin Gel in Periodontitis  
Scientific Title of Study   A Prospective, Multicenter, Randomized, Open Label, Active Controlled, Phase II Study to Evaluate the Efficacy, Safety, and Tolerability of Fixed Dose Combination (FDC) of Doxycycline Hyclate and Metformin Hydrochloride (10%w/w + 1%w/w) Gel in the Treatment Of Adults With Periodontitis 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
DRL-IND-NDA01-DXMF/2019; Version 3.0, dated 10/02/2022  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Piyush Agarwal 
Designation  Head - Clinical Development & Clinical Strategy 
Affiliation  Dr. Reddy’s Laboratories Limited 
Address  Global Clinical Management, IPDO, Innovation plaza, Bachupally village, Bachupally Mandal, Hyderabad, Medchal Malkajgiri District Medchal TELANGANA 500090 India

Medchal
TELANGANA
500090
India 
Phone    
Fax    
Email  piyushagarwal@drreddys.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Srinivas Shenoy 
Designation  Expert- Clinical Development 
Affiliation  Dr. Reddy’s Laboratories Limited 
Address  Global Clinical Management, IPDO, Innovation plaza, Bachupally village, Bachupally Mandal, Hyderabad, Medchal Malkajgiri District Medchal TELANGANA 500090 India

Medchal
TELANGANA
500090
India 
Phone    
Fax    
Email  srinivasshenoyb@drreddys.com  
 
Details of Contact Person
Public Query
 
Name  Vipul Modh 
Designation  Specialist-Clinical and Medical Operations 
Affiliation  Dr. Reddy’s Laboratories Limited 
Address  Global Clinical Management, IPDO, Innovation plaza, Bachupally village, Bachupally Mandal, Hyderabad, Medchal Malkajgiri District Medchal TELANGANA 500090 India

Medchal
TELANGANA
500090
India 
Phone    
Fax    
Email  vipulmodh@drreddys.com  
 
Source of Monetary or Material Support  
Dr. Reddys Laboratories Limited, Integrated Product Development, Innovation Plaza, Survey No 42, 45 & 46, Bachupally Village, Bachupally Mandal, Medchal Malkajgiri District, Hyderabad 500 090, Telangana, India 
 
Primary Sponsor  
Name  Dr Reddys Laboratories Limited 
Address  IPDO, Innovation plaza, Bachupally village, Bachupally Mandal, Hyderabad, Medchal Malkajgiri District, 500090, Telangana, India 
Type of Sponsor  Pharmaceutical industry-Global 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study
Modification(s)  
No of Sites = 15  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Bela Dilip Dave  AMC-Met Dental College and Hospital, Ahmedabad  SPS Room, 2nd Floor, Department of Periodontology, AMC-MET Dental College and Hospital, Bhalakiya Mill Compound, Opp. Anupam Cinema, Khokhra, Ahmedabad, Gujarat - 380006
Ahmadabad
GUJARAT 
9979667676

beladave@gmail.com 
Dr Sashi Kiran R  BGS Gleanagles Global Hospitals, Bengaluru  1st Floor, OPD, Dental Department, BGS Gleanagles Global Hospitals, #67, Uttarahilli main road kengeri, Bengaluru, karnataka, India - 560060
Bangalore
KARNATAKA 
9742405614

drshashi.kr25@gmail.com 
Dr Mayank Hans  ESIC Medical College and Hospital, Faridabad  Room No. 1039, 1st Floor. Department of Dentistry, OPD Building, ESIC Medical College and Hospital, NH3, NIT, Faridabad, Haryana, India. 121001
Faridabad
HARYANA 
9818588411

mayankhans@rediffmail.com 
Dr Shachi Snehalbhai Shah  Health and Care Foundation Hospital, Ahmedabad  Room No. 22, 2nd Floor, Dental Department, Health and Care Foundation Hospital, Indukaka Ipcowala Sewa Sansthan, Pavansut Society, Opp. Rajwadu, B/H Sunflower School, Jivraj Park, Ahmedabad, Gujarat - 380051
Ahmadabad
GUJARAT 
9974309049

shachishah5494@gmail.com 
Dr Monali Shah  K. M. Shah Dental College and Hospital, Waghodia  Department of periodontology, K. M. Shah Dental College and Hospital, Sumandeep Vidyapeeth Deemed to be University, At & Po Piparia, Ta. Waghodia, Dist. Vadodara, 391760, Gujarat, India
Vadodara
GUJARAT 
9824003228

smonali2011@gmail.com 
Dr Umesh Pratap Verma  King Georges Medical Univesity, Lucknow  5th Floor, Department of Periodontology, King Georges Medical Univesity, Shahmeena Road, Chowk, Lucknow - 226003, Uttar Pradesh, India
Lucknow
UTTAR PRADESH 
9450195422

Umeshverma4@yahoo.com 
Dr Sangeeta Umesh Nayak  Manipal College of Dental Sciences, Mangaluru  Room No. 4, Department of Periodontolgy, Manipal College of Dental Science, Light House Hill Road, Mangaluru - 575001, Karnataka, India
Dakshina Kannada
KARNATAKA 
9880718371

sangeeta.nayak@manipal.edu 
Dr Pratibha Gopalkrishna  Manipal College of Dental Sciences, Manipal  Room No. 3, Department of Periodontology, Manipal College of Dental Sciences, Affiliated to Manipal Academy of Higher Education, Manipal, Karnataka - 576104, India
Udupi
KARNATAKA 
9448724121

pratibha.pk@manipal.edu 
Dr Shruti Tandon  Maulana Azad Institute of Dental Sciences, New Delhi  Room No. 613 6th Floor, Department of Periodontology, Maulana Azad Institute of Dental Sciences, Bahadur Shah, Zafar Marg, New Delhi-122002
New Delhi
DELHI 
9654700982

tandonshruti16@gmail.com 
Dr Soma Halder  Medical College and Hospital, Kolkata  Department of Dentistry, Medical College and Hospital 88, College street Kolkata - 700073, West Bengal, India
Kolkata
WEST BENGAL 
9475679714

somahalderortho2@gmail.com 
Dr Arbind Kumar Sharma  Post Graduate lnstitute of Dental Education And Research, IGIMS, Patna  Chief Chamber, Ground Floor, Indira Gandhi Institute of Medical Sciences, Sheikhpura, Patna, Bihar-8000 14
Patna
BIHAR 
8544401070

arbindsharmaprof@gmail.com 
Dr Tirthankar Debnath  R. Ahmed Dental College & Hospital, Kolkata  R. Ahmed Dental College & Hospital,114, Acharya Jagdish Chandra Bose Rd, Kolkata, West Bengal 700014
Kolkata
WEST BENGAL 
9123723443

drtdebnath2010@gmail.com 
Dr Priyanka Jaiswal  Sharad Pawar Dental College and Hospital, Sawangi (Meghe), Wardha  Room No. 003, Ground Floor, Department of Periodintics, Sharad Pawar Dental College, Sawangi (Meghe), Wardha-442004, Maharashtra, India
Nagpur
MAHARASHTRA 
9960713010

priyanka.banode@gmail.com 
Dr C V Divyambika  Sri Ramachandra Hospital, Chennai  Basement Dental College , Sri Ramachandra Hospital, No. 1 Ramachandra Nagar, Porur, Chennai - 600116, Tamil Nadu, India
Chennai
TAMIL NADU 
9840323553

cvdivyambika@sriramachandra.edu.in 
Dr Rajiv Nidasale Puttaswamaiah  Vokkaligara Sangha Dental college and Hospital, Bangalore  Room No. 5 Department of Periodointics, Vokkaligara Sangha Dental college and Hospital, K.R Road, VV puram, Bangalore, Karnataka - 650004, India
Bangalore
KARNATAKA 
9980111426

rajivnidasale@yahoo.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 15  
Name of Committee  Approval Status 
Independent Ethics Committee, Society of Research Welfare, Basement, DDA Shed, Okhla Industrial Area, New Delhi   Approved 
Institutional Ethics Comittee of Health and Care Foundation Hospital, Ahmedabad  Approved 
Institutional Ethics Committee BGS Gleneagles Global Hospitals, Bangalore  Approved 
Institutional Ethics Committee for ESIC Faridabad  Approved 
Institutional Ethics Committee for Human Researchal Ethics Committee for Human Research Medical College, Kolkata  Approved 
Institutional ethics committee of Datta Meghe Institute of Higher Education and Research(DU) , Sawangi Meghe wardha, Maharashtra-442007  Approved 
Institutional ethics committee Research cell, King George Medical University, Lucknow  Approved 
Institutional Ethics Committee, AMC-Met Dental College and Hospital, Ahmedabad  Approved 
Institutional ethics committee, Dr. R. Ahmed Dental College & Hospital, Kolkata  Approved 
Institutional Ethics Committee, IGIMS, Patna  Approved 
Institutional Ethics Committee, Sri Ramachandra Institute of Higher Education and Research, Chennai  Approved 
Institutional Ethics Committee, SV Sumandeep Vidyapeeth, Sumandeep Vidyapeeth, Vadodara   Approved 
KIMS Institutional Ethics Committee, Bangalore  Approved 
MAHE Ethics Committee, Manipal Academy of Higher Education, Manipal  Approved 
MAHE Ethics Committee, Manipal Academy of Higher Education, Manipal  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Approved/Obtained 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K054||Periodontosis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Fixed Dose Combination (FDC) of Doxycycline Hyclate and Metformin Hydrochloride Gel (Prototype 2)  Single Dose of Prototype 2 Fixed Dose Combination (FDC) of Doxycycline Hyclate and Metformin Hydrochloride (10%W/W + 1% W/W) gel to be administered on randomization visit (Day 0) 
Intervention  Single Dose Fixed Dose Combination (FDC) of Doxycycline Hyclate and Metformin Hydrochloride gel (Prototype 1)  Single Dose Prototype 2 Fixed Dose Combination (FDC) of Doxycycline Hyclate and Metformin Hydrochloride (10%W/W + 1% W/W) gel to be administered on randomization visit (Day 0) 
Comparator Agent  Standard of care- Scaling and root planing   Standard of care- Scaling and root planing (SRP) procedure as per Institutional practice to be performed on randomization visit(Day 0) 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1. Male or female subjects between 18 – 65 years of age (Both inclusive), with a clinical diagnosis of Stage III or stage IV periodontitis characterized by ≥5 mm interdental clinical attachment loss (CAL) and pockets measured with probing depth (PD) ≥6 mm.

2. Subjects with ≥14 natural teeth.

3. Willing to provide written informed consent and comply with study instructions for its duration.

4. In good general health other than periodontitis according to medical history, physical examination and clinical judgment undertaken by investigator.

5. Non-alcoholics & Non-smokers / Ex-smokers (at least 2years of abstinence)

6. Able to follow written and verbal instructions, perform oral hygiene as specified in the protocol, & return to the center for specified study visits.

7. Negative serum pregnancy test prior to beginning therapy and agreement to use adequate birth control during the study for females of child-bearing potential. 
 
ExclusionCriteria 
Details  1. Known hypersensitivity to Doxycycline Hyclate or other Tetracyclines and/or Metformin/Biguanide group or any excipients or any related drug or any substance.

2. Compromised renal function (as indicated by serum creatinine levels > 1.5 times ULN)

3. Ongoing systemic cancer chemotherapy and/or radiation therapy.

4. Known history or presence of tobacco chewing and / or betel nut usage.

5. Known history or presence of clinically significant acute or chronic illness such as Diabetes Mellitus, Neutropenia (Severe and/or acquired), Inflammatory Bowel Disease (IBD), Osteoporosis, Hyperparathyroidism, Oral candidiasis, Rheumatic fever, Cancer, Connective tissue disease (such as Systemic Lupus Erythematosus (SLE), Lichen Planus, Rheumatoid Arthritis (RA), Systemic sclerosis (scleroderma) and Ankylosing Spondylitis) etc.,

6. Presence of clinically significant cardiovascular, Hepatic, Pulmonary, Neurologic, Renal or Psychiatric disorder, or clinically significant laboratory abnormalities as judged by investigator

7. A positive hepatitis screen including positive test result for hepatitis B surface antigen and/or HCV antibodies & HIV antibody (I & II).

8. Prior/Ongoing treatment with the following medications:
Mouthwash with known antibacterial properties (regularly within 1 month prior to baseline examination)
 Antimicrobials (6 weeks prior to baseline examination)
 Sulfasalazine and/or drugs causing gingival hyperplasia such as Phenytoin and other anticonvulsants (Phenobarbital, Lamotrigine, Vigabatrin, Ethosuximide, Topiramate and Primidone) or Cyclosporine or Calcium Channel Blockers (CCB) such as Nifedipine, Amlodipine, and Verapamil) (within 3 months prior to baseline examination)
 Systemic, topical application inside oral cavity & inhalational corticosteroids or Oral Bisphosphonates (6 months prior to baseline examination)
 Patients on systemic metformin therapy

9. Any need for systemic or local antibiotic prophylaxis prior to enrollment (e.g., for recent orthopedic implants, Patients with a prosthetic heart valve etc.,)

10. Ongoing pregnancy, lactation or plan of pregnancy during the proposed study period or not using an acceptable method of birth control (IUD, Norplant, Depo-Provera, Diaphragm, or Condom).

11. Enrolled in any other investigational medication study currently, or within the last 6 months.

12. Investigators opinion that subject is not suitable for the study otherwise.

13. Periodontitis disease specific exclusion criteria:
a. Accumulation of substantial sub-gingival calculus defined as 80% or greater surfaces of the dentition having dental calculus. (Process of assessing this will be explained in separate study specific dental assessment manual)
b. Undergone
 SRP (Scaling and Root Planning) therapy (less than 6 months prior to base line examination)
 Surgical periodontal treatment (within past 6 months or scheduled during the study) or
 Orthodontic therapy including removable partial denture (ongoing or scheduled during the study)
c. Requirement of restorative and endodontic therapy during the study period
d. Periodontal sites with Class III furcation
e. CAL is only due to local factor 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Centralized 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
Mean Change in clinical attachment loss (CAL)  Day 0 and Day 90 
 
Secondary Outcome  
Outcome  TimePoints 
Mean Change in clinical attachment loss (CAL)  Day 0, Day 28, Day 60 
Mean Change in probing depth (PD)  Day 0, Day 28, Day 60, Day 90 
Change in Modified Papillary Bleeding Index (MPBI) from Baseline  Day 0, Day 28, Day 60, Day 90 
Change in New Method of Plaque Scoring (NMPS) from Baseline  Day 0, Day 28, Day 60, Day 90 
Assessment of self-completed Oral Health Impact Profile (OHIP) ‑14 questionnaire from Baseline  Day 0 and Day 90 
Exploratory Endpoint : Percentage change in Intra Bony Defect (IBD) / Radiographic Bone Loss (RBL)   Day 0 and Day 90 
Exploratory Endpoint :To evaluate release profile of Doxycycline (In GCF & In saliva) and Metformin (In GCF) with each prototype (T1 & T2) in 12 subjects in each arm to assess.   GCF and Saliva Collection will be done at pre-dose
to 168/192 hours
 
 
Target Sample Size   Total Sample Size="186"
Sample Size from India="186" 
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   Phase 2 
Date of First Enrollment (India)   27/03/2023 
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="9"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
Publication Details   Nil 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary  
This study is planned to evaluate the efficacy, and safety of fixed dose combination (FDC) of doxycycline hyclate and metformin hydrochloride (10%w/w + 1%w/w) gel in the treatment of adults with periodontitis. Male and non-pregnant female subjects (18-65 years of age) with clinical diagnosis of Stage III or stage IV periodontitis will be included in tral
 
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