NCT01520974

Brief Summary

The purpose of this study is to determine if an oral probiotic tablet taken once a day for twelve weeks can decrease the numbers of bacteria that are associated with tooth decay and gum disease in a dentally healthy, young adult population.

Trial Health

55
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
48

participants targeted

Target at P25-P50 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2012

Completed
24 days until next milestone

First Submitted

Initial submission to the registry

January 25, 2012

Completed
5 days until next milestone

First Posted

Study publicly available on registry

January 30, 2012

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2012

Completed
Last Updated

May 2, 2012

Status Verified

May 1, 2012

Enrollment Period

7 months

First QC Date

January 25, 2012

Last Update Submit

May 1, 2012

Conditions

Outcome Measures

Primary Outcomes (1)

  • Enumeration of S. mutans in saliva and seven periodontal pathogens in subgingival plaque

    Quantitative RT-PCR analyses for S. mutans in saliva, and A. actinomycetemcomitans, P. intermedia, T. forsythia, F. nucleatum, C. rectus, and E. corrodens in subgingival dental plaque.

    12 weeks

Secondary Outcomes (2)

  • Breath odor

    12 weeks

  • Teeth whiteness

    12 weeks

Study Arms (2)

Probiotic tablet

ACTIVE COMPARATOR
Other: ProBiora3 mints

Placebo tablet

PLACEBO COMPARATOR

Comparison tablet without the probiotic bacteria

Other: Placebo tablet

Interventions

Probiotic mint tablet taken once daily for 12 weeks containing ProBiora3, a combination of three known healthy bacteria

Also known as: EvoraPlus, EvoraPro
Probiotic tablet

Mint tablet taken once daily for 12 weeks without the ProBiora3 combination of three known healthy bacteria

Also known as: placebo
Placebo tablet

Eligibility Criteria

Age18 Years - 35 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • minimum of 20 teeth, with only a few fillings
  • good general health
  • willing to use an appropriate method of birth control during the study
  • measurable levels of Streptococcus mutans and one or more of the selected periodontal pathogens

You may not qualify if:

  • chronic or acute illness such as heart disease, diabetes, cancer, hepatitis (liver disease) or HIV positive
  • radiation therapy or systemic cancer treatment (chemotherapy)
  • require antibiotics for dental treatment
  • pregnant or planning to become pregnant during the study period

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Washington, Scool of Dentistry, Regional Clinical Dental Research Center

Seattle, Washington, 98195, United States

RECRUITING

Related Publications (1)

  • Zahradnik RT, Magnusson I, Walker C, McDonell E, Hillman CH, Hillman JD. Preliminary assessment of safety and effectiveness in humans of ProBiora3, a probiotic mouthwash. J Appl Microbiol. 2009 Aug;107(2):682-90. doi: 10.1111/j.1365-2672.2009.04243.x. Epub 2009 Mar 30.

Study Officials

  • Whasun O Chung, PhD

    University of Washington

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Marilynn Rothen, RDH, MS

CONTACT

Mary K Hagstrom, CDA

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 25, 2012

First Posted

January 30, 2012

Study Start

January 1, 2012

Primary Completion

August 1, 2012

Last Updated

May 2, 2012

Record last verified: 2012-05

Locations