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CTRI Number  CTRI/2024/11/076685 [Registered on: 12/11/2024] Trial Registered Prospectively
Last Modified On: 05/11/2024
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Efficacy of a whitening vs non-whitening toothpaste for removal of teeth stains 
Scientific Title of Study   Proof-of-concept clinical study to evaluate the stain removal efficacy of a commercially available as compared to negative control toothpaste  
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Bhuvana Gurumurthy 
Designation  Assistant Manager, Clinical Innovation 
Affiliation  Colgate-Palmolive India Limited 
Address  Main Street, Hiranandani Gardens, Powai, Mumbai

Mumbai
MAHARASHTRA
400076
India 
Phone  02267096165  
Fax    
Email  bhuvana_gurumurthy@colpal.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Bhuvana Gurumurthy 
Designation  Assistant Manager, Clinical Innovation 
Affiliation  Colgate-Palmolive India Limited 
Address  Main Street, Hiranandani Gardens, Powai, Mumbai


MAHARASHTRA
400076
India 
Phone  02267096165  
Fax    
Email  bhuvana_gurumurthy@colpal.com  
 
Details of Contact Person
Public Query
 
Name  Dr Bhuvana Gurumurthy 
Designation  Assistant Manager, Clinical Innovation 
Affiliation  Colgate-Palmolive India Limited 
Address  Main Street, Hiranandani Gardens, Powai, Mumbai


MAHARASHTRA
400076
India 
Phone  02267096165  
Fax    
Email  bhuvana_gurumurthy@colpal.com  
 
Source of Monetary or Material Support  
Colgate-Palmolive India Limited, Main Street, Hiranandani Gardens, Powai, Mumbai, MH 400076, India 
 
Primary Sponsor  
Name  Colgate-Palmolive 
Address  Main Street, Hiranandani Gardens, Powai, Mumbai, MH 400076, India 
Type of Sponsor  Other [FMCG - Global] 
 
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 Bhuvana Gurumurthy  Colgate Clinical Innovation Institute, Colgate Palmolive India Limited  Main Street, Hiranandani Gardens, Powai, Mumbai
Mumbai
MAHARASHTRA 
02267096165

bhuvana_gurumurthy@colpal.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INDEPENDENT ETHICS COMMITTEE, CLAIMS PVT LTD  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K039||Disease of hard tissues of teeth,unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Non-whitening toothpaste group  14 days of brushing with the product twice daily for two minutes 
Intervention  Whitening toothpaste group  14 days of brushing with the product twice daily for two minutes  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  Potential subjects must meet ALL of the following criteria:

Signed Informed Consent Form;
Male and female subjects aged 18-70 years, inclusive;
Good general health and good oral health based on the opinion of the study investigator;
Present twelve (12) scorable natural anterior teeth (free of large restorations or prosthetics).
Availability for the duration of the study;
Self reported consumption of tea, coffee or tobacco ≥ 2 times a day.
A minimum mean Composite Lobene Index score of 1 or greater.
Clinical evidence of a tendency to form stains on anterior teeth.
 
 
ExclusionCriteria 
Details  Potential subjects must NOT HAVE ANY of the following conditions:

Presence of orthodontic appliances or any anterior tooth with a prosthetic crown or veneer.
Presence of partial removable dentures.
Tumors or significant pathology of the soft or hard tissues of the oral cavity.
Presence of anterior teeth with severe or atypical staining, which include tetracycline or hypo-calcification.
Use of antibiotics or stain inducing medications any time during the one month prior to entry into the study.
Dental prophylaxis received in the past four weeks prior to baseline examinations or usage of whitening toothpaste.
History of alcohol or drug abuse.
Exposed to a tooth whitening procedure during the last 3 months.
Moderate periodontal disease (purulent exudate, tooth mobility, and/or extensive loss of periodontal attachment or alveolar bone) or any other condition that the dental examiner considers would exclude you from participation.
Five or more carious lesions requiring immediate restorative treatment.
History of allergy to consumer or personal care products as determined by the dental professional monitoring the study.
Participation in any other clinical study or test panel within the 30-day period prior to entering into the study.
Pregnant women or women who are breast-feeding.
Medical conditions that the investigator considers significant which may compromise the subject’s safety as well as the quality of the study results.
Restorations on the teeth to be scored which may interfere with scoring procedures.

 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   An Open list of random numbers 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Changes in Tooth stain determined by examiner use Lobene Stain   Baseline, 7 days and 14 days 
 
Secondary Outcome  
Outcome  TimePoints 
N/A  N/A 
 
Target Sample Size   Total Sample Size="30"
Sample Size from India="30" 
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 4 
Date of First Enrollment (India)   16/11/2024 
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="0"
Months="0"
Days="15" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
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 is a proof-of-concept clinical study to evaluate the stain removal efficacy of a commercially available toothpaste as compared to negative control toothpaste. Thirty (30) subjects, aged 18-70 years, inclusive, will be entered into the study. Candidates who have expressed an interest in participating will be selected based on the inclusion and exclusion criteria. This is a Phase IV, single-center, two cell, parallel-group and double-blinded clinical study. 
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