Clinical Investigation of the Effects of Colgate Total Toothpaste as Compared to a Matching Placebo on Periodontal Disease and Systemic Inflammatory Markers

Phase 4

Completed

• Conditions: Systemic Inflammatory Markers; Periodontal Disease
• Interventions: Drug: Triclosan Containing Toothpaste; Drug: Triclosan Free Toothpaste

• Registration Number: NCT02670135
• Lead Sponsor: Colgate Palmolive

Brief Summary

This is a single center, double blinded, randomized, controlled trial. Qualified subjects will be enrolled and randomized to either one of the two study groups: a) using 0.3% triclosan/copolymer/fluoride dentifrice twice daily - b) using a matching control dentifrice (copolymer/fluoride/no triclosan) twice daily.

Detailed Description

The objective of this study is to comparatively evaluate the effects of Colgate Total® toothpaste with triclosan (commercially sold in Israel) and triclosan-free matching placebo toothpaste on markers of inflammation in the bloodstream and to correlate these findings with periodontal disease status in the oral cavity, as determined by the parameters assessed. Periodontal parameters (periodontal pocket dept (PPD), Clinical Attachment loss (CAL)) will be assessed at baseline and after 2, 6 and 12 months of product use. Peripheral blood samples will be drawn from the subjects at baseline and after 2, 6 and 12 months to evaluate the effects of tooth brushing on systemic inflammatory markers (CRP, PGE2, IL-1β, TNF-α).

Study Timeline

• Status Verified: 2015-06
• Study Start: 2015-06
• Study First Submitted: 2016-01-28
• Study First Submitted QC: 2016-01-29
• Study First Posted: 2016-02-01
• Primary Completion: 2016-07
• Study Completion: 2016-08
• Last Update Submitted: 2019-02-21
• Last Update Posted: 2019-02-22

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 303

Inclusion Criteria

1. Subject males or females 18 to 50 years old.
2. Availability for the 12 months duration of the clinical research study.
3. Subject able and willing to follow study procedures and instructions.
4. Subject read, understood and signed an informed consent form.
5. Subject present with at least 20 natural teeth in the functional dentition (excluding third molars).
6. Initial probing pocket depth of >4mm in at least one tooth/quadrant.
7. Good general health.
8. Subjects willing to disclose information on medication.

Exclusion Criteria

1. Subject with concomitant periodontal therapy 6 months prior to enrollment.
2. Subject with orthodontic appliances.
3. Subject chronically treated (i.e. two weeks or more) with any medication known to affect inflammation or periodontal status or within one month of the first examination*.
4. Subject treated with antibiotics within 3 months prior to enrollment.
5. Subject necessitating antibiotic prophylaxis.
6. Subject with active infectious diseases (hepatitis, human immunodeficiency virus or Tuberculosis) or subject is immunocompromised as determined by the Investigator*.
7. Subject with known allergy to oral care products or ingredients in oral care products.
8. Subject with gross oral pathology, including widespread caries or chronic neglect, extensive restoration, pre-existing gross plaque and calculus, or soft or hard tissue tumor of the oral cavity (determined by the examiner).
9. Subject diagnosed with aggressive periodontitis or acute necrotizing ulcerative gingivitis.
10. Participation in any other clinical study or test panel within the one month prior to entry into the study.
11. Subject pregnant at point of enrollment.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Triclosan containing toothpaste	Triclosan Containing Toothpaste	Active formula containing 0.3% triclosan in a1450 ppm sodium fluoride/silica base
triclosan free toothpaste	Triclosan Free Toothpaste	Control toothpaste with no triclosan ingredients in a 1450 ppm sodium fluoride/silica base - matching placebo

Primary Outcome Measures

Name	Time	Method
Interleukin-1 Beta ( IL-1β)	baseline	Inflammatory biomarker found in blood that may be a factor in oral tissue destruction as seen in periodontal disease. Levels will be quantified via the Automated Triturus ELISA Analyzer
Interleukin-1 Beta (IL-1β)	6 months	Inflammatory biomarker found in blood that may be a factor in oral tissue destruction as seen in periodontal disease. Levels will be quantified via the Automated Triturus ELISA Analyzer
C Reactive Protein (CRP)	12 months	C-reactive protein is a biomarker found in the blood and measures general levels of inflammation in your body. Inflammation plays a role in the initiation and progression of cardiovascular and potentially periodontal disease. The blood sample will be evaluated using Roche COBAS 6000 C501 system to quantify levels.
Tumor necrosis factor - alfa (TNF-α)	12 months	TNF is a pro-inflammatory biomarker that is involved at an early stage inflammatory cascade and is released from mast cells in response to bacterial challenge. Drugs that block the action of TNF have been shown to be beneficial in reducing the inflammation in inflammatory diseases.
Periodontal Pocket Depth (PPD)	12 months	PPD examination will be performed using a World Health Organization (WHO) Community Periodontal Index (CPI) periodontal probe in all teeth present as described by WHO (2013). The PPD examination is according to the pocket scores provided here: 0 = Absence of condition, 1 = Pocket 4-5mm, 2 = Pocket 6mm or more, 9 = Tooth excluded, X = Tooth not present (The lower the number the healthier the tissue)
Interleukin-1 Beta (IL- 1β)	12 months	Inflammatory biomarker found in blood that may be a factor in oral tissue destruction as seen in periodontal disease. Levels will be quantified via the Automated Triturus ELISA Analyzer
Prostaglandin E2 (PGE 2)	12 moths	Inflammatory biomarker found in blood and may be a factor in tissue destruction as seen in periodontal disease. Levels will be quantified via the Automated Triturus ELISA Analyzer using Lithium-Heparin Plasma with an Indomethacin Inhibitor
Clinical Attachment Loss (CAL)	12 months	Attachment lost will be measured from index teeth as described in WHO (2013). Loss of attachment is recorded by dividing the mouth in sextants, defined by tooth numbers: 18-14, 13-23, 24-28, 38-34, 33-43, and 44-48 Measurements will be recorded as: 0 = 0-3mm, 1 = 4-5mm (CEJ within black band), 2 = 6-8mm (CEJ between upper limit of black band and 8.5mm ring) 3 = 9-11mm (CEJ between 8.5mm ring and 11.5mm ring), 4 = 12mm and more (CEJ beyond 11.5mm ring), X = excluded, 9 = not recorded (The lower the number the healthier the tissue)