UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000005309
Receipt number R000006314
Scientific Title A double-blind, randomized controlled pilot study of olive leaf extracts(OLE) for the prevention of periodontal diseases.
Date of disclosure of the study information 2011/03/25
Last modified on 2012/04/26 10:58:05

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Basic information

Public title

A double-blind, randomized controlled pilot study of olive leaf extracts(OLE) for the prevention of periodontal diseases.

Acronym

Pilot study of OLE for the prevention of periodontal diseases.

Scientific Title

A double-blind, randomized controlled pilot study of olive leaf extracts(OLE) for the prevention of periodontal diseases.

Scientific Title:Acronym

Pilot study of OLE for the prevention of periodontal diseases.

Region

Japan


Condition

Condition

Periodontal diseases

Classification by specialty

Dental medicine

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The effect of OLE intake for the prevention of periodontal diseases is evaluated. The clinical indicies and cytokines in gingival crevicular fluid(GCF) are assessed as outcome measures.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase

Not applicable


Assessment

Primary outcomes

Probing pocket depth(PPD), Gingival index(GI), Bleeding on probing(BOP)

Key secondary outcomes

Remaining teeth, Clinical attachment level, Plaque index, Cytokines in GCF


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

YES

Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

3

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

300mg OLE intake group
Take 2 tablets of 100mg OLE 3 times a day before meal

Interventions/Control_2

600mg OLE intake group
Take 2 tablets of 200mg OLE 3 times a day before meal

Interventions/Control_3

Placebo group
Take 2 placebo tablets 3 times a day before meal

Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

49 years-old >=

Gender

Male and Female

Key inclusion criteria

Those who have average PPD between 2mm and 4mm
Those who have average GI greater than 0
Age from 20 to 49
Those who have at least 20 teeth

Key exclusion criteria

Those who took periodontal surgical therapy within 6 months
Those who are pregnant or lactating
Those who have a history of systematic diseases
Those who took antibiotics within 3 months
Those who took anti-inflammatory drugs within 2 weeks
Those who have unrestored caries
Those who smoke within 6 months
Those who participate in other clinical trial
Those who are judged not eligible for the study subjects by their investigators

Target sample size

45


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Hideki Nagata

Organization

Osaka University Graduate School of Dentistry

Division name

Department of Preventive Dentistry

Zip code


Address

1-8 Yamadaoka, Suita, Osaka, Japan

TEL

06-6879-2922

Email



Public contact

Name of contact person

1st name
Middle name
Last name Hideki Nagata

Organization

Osaka University Graduate School of Dentistry

Division name

Department of Preventive Dentistry

Zip code


Address

1-8 Yamadaoka, Suita, Osaka, Japan

TEL

06-6879-2922

Homepage URL


Email

nagatah@dent.osaka-u.ac.jp


Sponsor or person

Institute

Department of Preventive Dentistry, Osaka University Graduate School of Dentistry

Institute

Department

Personal name



Funding Source

Organization

Sunstar Inc.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

大阪大学歯学部附属病院


Other administrative information

Date of disclosure of the study information

2011 Year 03 Month 25 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2011 Year 03 Month 24 Day

Date of IRB


Anticipated trial start date

2011 Year 06 Month 01 Day

Last follow-up date


Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2011 Year 03 Month 25 Day

Last modified on

2012 Year 04 Month 26 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000006314


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name