| Recruitment status | Completed |
| Unique ID issued by UMIN | UMIN000025566 |
| Receipt No. | R000029417 |
| Official scientific title of the study | A study for evaluating the effects of oral intake of lactic acid bacteria on skin condition. A randomized, double-blind, placebo-controlled trial. |
| Date of disclosure of the study information | 2018/03/31 |
| Last modified on | 2018/01/13 (Ver. 2) |
| Basic information | ||
| Official scientific title of the study | A study for evaluating the effects of oral intake of lactic acid bacteria on skin condition. A randomized, double-blind, placebo-controlled trial. | |
| Title of the study (Brief title) | A study for evaluating the effects of oral intake of lactic acid bacteria on skin condition. | |
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| Condition | ||
| Condition | None (Healthy adults) | |
| Classification by specialty |
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| Classification by malignancy | Others | |
| Genomic information | YES | |
| Objectives | |
| Narrative objectives1 | To evaluate the efficacy of oral administration of a lactic acid bacteria on skin conditions. |
| Basic objectives2 | Efficacy |
| Basic objectives -Others | |
| Trial characteristics_1 | |
| Trial characteristics_2 | |
| Developmental phase | |
| Assessment | |
| Primary outcomes | Analysis of skin microbiome (8 weeks)
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| Key secondary outcomes | Evaluation of skin condition by medical doctor (8 weeks)
Analysis of expression level of skin-condition-related genes (8 weeks) Trans-epidermal water loss (8 weeks) Skin moisture content (8 weeks) VISIA skin analysis (8 weeks) Questionaries (4 weeks,8 weeks) |
| Base | |
| Study type | Interventional |
| Study design | |
| Basic design | Parallel |
| Randomization | Randomized |
| Randomization unit | Individual |
| Blinding | Double blind -all involved are blinded |
| Control | Placebo |
| Stratification | |
| Dynamic allocation | |
| Institution consideration | |
| Blocking | |
| Concealment | |
| Intervention | ||
| No. of arms | 2 | |
| Purpose of intervention | Prevention | |
| Type of intervention |
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| Interventions/Control_1 | Lactic acid bacteria, 1 portion of food per day for 8 weeks. | |
| Interventions/Control_2 | Placebo (not containing lactic acid bacteria), 1 portion of food per day for 8 weeks. | |
| Interventions/Control_3 | ||
| 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 |
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| Age-upper limit |
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| Gender | Male and Female | |||
| Key inclusion criteria | 1) Males and females aged from 30 to less than 60 years old, when giving the informed consent.
2) Healthy individuals not having any chronic disedase or dermatoses. 3) Individuals who have skin problesms, such as acne. 4) Individuals who give the informed consents in writing, after receiving enough explanation of the purpose and details of the study, understanding the study well, and deciding to attend the study with their own will. 5) Individuals who can accomplish their tasks in the study at the appointed date. 6) Individuals who are judged suitable for this study by the investigators. |
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| Key exclusion criteria | 1) Individuals who have diseases with medications.
2) Individuals who have continuously received medications within one month before the examination. 3) Individuals who have medical histories of serious disease of their liver, kidney, heart, lung, and blood. 4) Individuals who have comorbidity or medication history in their digestive organs. 5) Individuals whose systolic blood pressure is over 160 mmHg, or whose diastolic blood pressure is over 100 mmHg. 6) Individuals who have sever skin disorder. 7) Individuals who have severe anemia. 8) Individuals who might be allergic to test foods, or who might be seriously allergic to other foods, or medicaments. 9) Individuals who are pregnant, breastfeeding, or planning to be pregnant. 10) Individuals who are alcoholic or have mental disorder. 11) Individuals who will change their life style during the test period. 12) Individuals who have skin disease and need the application of medicine containing steroids or antibiotics to their face. 13) Individuals who have severe menopausal symptoms. 14) Individuals who cannot stop eating foods containing lactic acid bacteria. 15) Individuals who continuously took medicines for skin-condition-improvement within the last three month. 16) Individuals who use cosmetics that have strong effects on skin moisture or wrinkles. 17) Individuals who cannot keep from outdoor activities with the risk of getting sunburned during the test. 18) Individuals who had a surgery in their face within the past 6 months. 19) Individuals who are participating or participated in another clinical trial within the last 3 months. 20) Individuals who and whose family work for a company manufacturing or selling healthy foods, functional foods, and cosmetics. 21) Individuals who have smoking habitat. 22) Individuals who are judged unsuitable for this study by the investigator for other reasons. |
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| Target sample size | 70 | |||
| Research contact person | |
| Name of lead principal investigator | Takahiro Ono |
| Organization | Medical Corporation Wakei-kai Medics Hongo Clinic |
| Division name | Director |
| Address | ESTO HONGO, 2-2-6, Mukougaoka, Bunkyo-ku, Tokyo, 1130023, JAPAN |
| TEL | 03-6801-9761 |
| hongo@wakei-kai.or.jp | |
| Public contact | |
| Name of contact person | Takashi Fujitomo |
| Organization | DeNA Life Science, Inc. |
| Division name | Business Planning Dept. |
| Address | Shibuya-Hikarie, 2-21-1, Shibuya, Shibuya-Ku, Tokyo, Japan |
| TEL | 03-4366-7219 |
| Homepage URL | |
| Takashi.fujitomo@dena-ls.co.jp | |
| Sponsor | |
| Institute | DeNA Life Science, Inc. |
| Institute | |
| Department | |
| Funding Source | |
| Organization | Kirin Company, Limited |
| Organization | |
| Division | |
| Category of Funding Organization | Profit organization |
| Nationality of Funding Organization | |
| Other related organizations | |
| Co-sponsor | |
| Name of secondary funder(s) | |
| 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 | 医療法人社団和啓会 メディクス本郷クリニック/ Medical Corporation Wakei-kai Medics Hongo Clinic |
| Other administrative information | |||||||
| Date of disclosure of the study information |
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| Progress | |||||||
| Recruitment status | Completed | ||||||
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| Related information | |
| URL releasing protocol | |
| Publication of results | Unpublished |
| URL releasing results | |
| Results | |
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| Link to view the page | |
| URL(English) | https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000029417 |