Unique ID issued by UMIN | UMIN000039691 |
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Receipt number | R000045056 |
Scientific Title | The study to confirm the effect of a food containing lactoferrin on oral environment : A randomized, double-blind, placebo controlled trial. |
Date of disclosure of the study information | 2020/03/16 |
Last modified on | 2021/03/29 11:08:02 |
The study to confirm the effect of a food containing lactoferrin on oral environment : A randomized, double-blind, placebo controlled trial.
The study to confirm the effect of a food containing lactoferrin on oral environment
The study to confirm the effect of a food containing lactoferrin on oral environment : A randomized, double-blind, placebo controlled trial.
The study to confirm the effect of a food containing lactoferrin on oral environment
Japan |
None (Healthy adults)
Adult |
Others
NO
To evaluate the effect of ingesting lactoferrin-containing capsules on the factors that would worsen the oral environment , and maintain healthy oral environment.
Efficacy
Symptom of gingivitis on anterior teeth
Gingival index
Plaque index
Probing depth
Bleeding on probing
Saliva test:Hb Saliva,LD Saliva,Saliva Secretion,pH
Periodontal bacteria number in Saliva(P.gingivalis,P.intermedia,T.forsythensis,T.denticola)
Caries-related bacteria number(total Streptococcus,S.mutans,Lactobacillus)
Exploratory endpoint
Saliva test:Immune index(IL1,IL6,IL8,TNFalpha)
Interventional
Parallel
Randomized
Individual
Double blind -all involved are blinded
Placebo
YES
NO
Institution is not considered as adjustment factor.
NO
No need to know
2
Prevention
Food |
Ingestion of 2 capsules containing lactoferrin once a day for 8 weeks
Ingestion of 2 capsules not containing lactoferrin once a day for 8 weeks
20 | years-old | <= |
65 | years-old | > |
Male and Female
(1)Subjects aged between 20 to 65 years old.
(2) Subjects who generally take three meals a day.
(3) Subject who have more than four teeth possible to examine out of the labial-buccal side of the eight teeth including maxillary right first molar (FDI tooth number 16), maxillary right lateral incisor (12), maxillary left central incisor (21), maxillary left first premolar (24), mandibular left lateral incisor (32), mandibular left first molar (36), mandibular right central incisor (41), and mandibular right first premolar (44). Instead of the subjects as mentioned above, subjects having FDI number 17, 15, 11, 22, 25, 37, 35, 31, 42, and 45 are also applicable.
(4) Subjects who have gingivitis or at least one periodontal pocket more than 4 mm depth.
(5) Subjects who are not receiving treatment for caries and periodontal disease, and have at least 20 teeth new.
(6) Subject who can avoid taking foods containing lactoferrin, those displaying oral health related indication such as a xylitol chewing gum, and supplements.
(7) Subjects who received a sufficient explanation of the purpose and contents of this examination, have the capacity to consent, applied with free will with sufficient understanding, and agreed to participate with a written document.
(1) Subject who are diagnosed with caries (C3<=) or severe periodontal disease.
(2) Subject who have illness such as diabetes, chronic kidney disease, gastrointestinal disease, lung disease, malignant tumor and so on, and are taking medicine.
(3) Subjects who are pregnant, or who are planning to become pregnant or breast-feeding during the test.
(4)Persons who are participating or intend to participate in other tests for taking foods, drugs, and/or cosmetics.
(5) Subject whose saliva secretion by stimulation during 5 minutes is less than 3.0 mL.
(6) Subjects whose pH of saliva is <= 6.2.
(7) Subjects who have food allergy.
(8) Subjects who are wearing removal dentures.
(9) Subjects who are taking antibiotics and/or anti-microbe agents, or who had taken them within one month prior to the screening test.
(10) Smoker
(11) Subjects who are judged as unsuitable for the study by the investigator for other reasons.
20
1st name | Nobuhiro |
Middle name | |
Last name | Hanada |
Tsurumi university, School of Dental Medicine
Department of translational research
230-0063
2-1-3 Tsurumi,Tsurumi-ku, Yokohama-shi, Japan
045-580-8461
hanada-n@tsurumi-u.ac.jp
1st name | Eiji |
Middle name | |
Last name | Yoshikawa |
KSO Corporation
Sales department
105-0023
1-9-7 Shibaura, Minato-ku, Tokyo, Japan
03-3452-7733
yoshikawa@kso.co.jp
KSO Corporation
NRL Pharma, Inc.
Profit organization
The ethics committees of Tsurumi University
2-1-3 Tsurumi, Tsurumi-ku, Yokohama- City, Kanagawa Prefecture, Japan
045-580-8461
Hanada-n@tsurumi-u.ac.jp
NO
2020 | Year | 03 | Month | 16 | Day |
Unpublished
20
Completed
2020 | Year | 02 | Month | 27 | Day |
2020 | Year | 02 | Month | 13 | Day |
2020 | Year | 10 | Month | 07 | Day |
2020 | Year | 12 | Month | 06 | Day |
2021 | Year | 02 | Month | 17 | Day |
2021 | Year | 02 | Month | 18 | Day |
2021 | Year | 03 | Month | 18 | Day |
2020 | Year | 03 | Month | 04 | Day |
2021 | Year | 03 | Month | 29 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000045056
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