Catechin Mouth-washing for Removal of Intraoral Bacteria
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ClinicalTrials.gov Identifier: NCT00377507 |
Recruitment Status :
Terminated
(difficult to achieve the sufficient subjects)
First Posted : September 18, 2006
Last Update Posted : July 16, 2013
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Elderly | Dietary Supplement: catechin extracts | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 36 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Single (Participant) |
Primary Purpose: | Treatment |
Official Title: | A Clinical Trial of Tea Catechin Mouth-washing for Removal of Intraoral Bacteria in the Elderly |
Study Start Date : | October 2006 |
Actual Primary Completion Date : | July 2013 |
Actual Study Completion Date : | July 2013 |

Arm | Intervention/treatment |
---|---|
Experimental: catechin
mask containing catechins
|
Dietary Supplement: catechin extracts
catechin extracts solution |
- Removal of intraoral pathogenic bacteria identified before the study [ Time Frame: After intervention ]
- Reduction of intraoral bacteria after the study [ Time Frame: After intervention ]

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Ages Eligible for Study: | 65 Years to 95 Years (Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- aged over 65 years
- detected oral pathogenic bacterium and revalidated during the wash-out period
- without antibacterial medicine, other mouth-washing remedies during the study
- Obtained written informed consent before participation
Exclusion Criteria:
- possessing some infectious diseases in need of therapy
- possessing tea or catechin allergy
- diagnosed as inadequate for other reasons to participate the study by principal investigator

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00377507
Japan | |
White cross nursing home | |
Higashi Murayama, Tokyo, Japan, 189-0021 |
Study Chair: | Hiroshi Yamada, MD, PhD | University of Shizuoka |
Responsible Party: | Masahiro Morikawa, Clinical trials management office, University of Shizuoka |
ClinicalTrials.gov Identifier: | NCT00377507 |
Other Study ID Numbers: |
CT2006004 |
First Posted: | September 18, 2006 Key Record Dates |
Last Update Posted: | July 16, 2013 |
Last Verified: | July 2013 |
catechin elderly mouth washing disabled colonized |