| Recruitment status | Completed |
| Unique ID issued by UMIN | UMIN000033691 |
| Receipt No. | R000038382 |
| Scientific Title | Effect of treatment with plant extracts on skin properties |
| Date of disclosure of the study information | 2018/08/20 |
| Last modified on | 2019/03/29 (Ver. 2) |
| Basic information | ||
| Public title | Effect of treatment with plant extracts on skin properties | |
| Acronym | Effect of treatment with plant extracts on skin properties | |
| Scientific Title | Effect of treatment with plant extracts on skin properties | |
| Scientific Title:Acronym | Effect of treatment with plant extracts on skin properties | |
| Region |
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| Condition | |||
| Condition | Healthy adults | ||
| Classification by specialty |
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| Classification by malignancy | Others | ||
| Genomic information | NO | ||
| Objectives | |
| Narrative objectives1 | To investigate the effect of treatment with plant extract on expression of antimicrobial peptide and bactericidal action in healthy human skin |
| Basic objectives2 | Efficacy |
| Basic objectives -Others | |
| Trial characteristics_1 | Exploratory |
| Trial characteristics_2 | |
| Developmental phase | |
| Assessment | |
| Primary outcomes | Indices with regard to skin barrier; expression level of antimicrobial peptide and bactericidal action |
| Key secondary outcomes | Indices with regard to skin conditions; skin physiological parameters such as skin conductance and TEWL |
| Base | |
| Study type | Interventional |
| Study design | |
| Basic design | Factorial |
| Randomization | Randomized |
| Randomization unit | Individual |
| Blinding | Open -no one is blinded |
| Control | Placebo |
| Stratification | |
| Dynamic allocation | |
| Institution consideration | Institution is not considered as adjustment factor. |
| Blocking | |
| Concealment | |
| Intervention | ||
| No. of arms | 8 | |
| Purpose of intervention | Treatment | |
| Type of intervention |
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| Interventions/Control_1 | Apply test product A to the left palm and medial forearm, and placebo to the right palm and medial forearm, twice a day for 7 days in the first half investigation. After washout period of 3 weeks, apply test product B to the left palm and medial forearm, and placebo to the right palm and medial forearm, twice a day for 7 days, in the second half investigation. | |
| Interventions/Control_2 | Apply test product A to the left palm and medial forearm, and placebo to the right palm and medial forearm, twice a day for 7 days in the first half investigation. After washout period of 3 weeks, apply placebo to the left palm and medial forearm, and test product B to the right palm and medial forearm, twice a day for 7 days, in the second half investigation. | |
| Interventions/Control_3 | Apply placebo to the left palm and medial forearm, and test product A to the right palm and medial forearm, twice a day for 7 days in the first half investigation. After washout period of 3 weeks, apply test product B to the left palm and medial forearm, and placebo to the right palm and medial forearm, twice a day for 7 days, in the second half investigation. | |
| Interventions/Control_4 | Apply placebo to the left palm and medial forearm, and test product A to the right palm and medial forearm, twice a day for 7 days in the first half investigation. After washout period of 3 weeks, apply placebo to the left palm and medial forearm, and test product B to the right palm and medial forearm, twice a day for 7 days, in the second half investigation. | |
| Interventions/Control_5 | Apply test product B to the left palm and medial forearm, and placebo to the right palm and medial forearm, twice a day for 7 days in the first half investigation. After washout period of 3 weeks, apply test product A to the left palm and medial forearm, and placebo to the right palm and medial forearm, twice a day for 7 days, in the second half investigation. | |
| Interventions/Control_6 | Apply test product B to the left palm and medial forearm, and placebo to the right palm and medial forearm, twice a day for 7 days in the first half investigation. After washout period of 3 weeks, apply placebo to the left palm and medial forearm, and test product A to the right palm and medial forearm, twice a day for 7 days, in the second half investigation. | |
| Interventions/Control_7 | Apply placebo to the left palm and medial forearm, and test product B to the right palm and medial forearm, twice a day for 7 days in the first half investigation. After washout period of 3 weeks, apply test product A to the left palm and medial forearm, and placebo to the right palm and medial forearm, twice a day for 7 days, in the second half investigation. | |
| Interventions/Control_8 | Apply placebo to the left palm and medial forearm, and test product B to the right palm and medial forearm, twice a day for 7 days in the first half investigation. After washout period of 3 weeks, apply placebo to the left palm and medial forearm, and test product A to the right palm and medial forearm, twice a day for 7 days, in the second half investigation. | |
| Interventions/Control_9 | ||
| Interventions/Control_10 | ||
| Eligibility | ||||
| Age-lower limit |
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| Age-upper limit |
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| Gender | Male | |||
| Key inclusion criteria | 1.Informed consent provided
2.Able to follow the instruction of the study team |
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| Key exclusion criteria | 1.Subjects with injury such as wound or eczema on hands or forearms
2.Subjects with severe sunburn on hands or forearms 3.Subjects with atopic dermatitis or contact skin hypersensitivity 4.Subjects who need a routine visit to a clinic or regular medication 5.Subjects who participate in other research or treatment with physical loads that affect this test 6.Subjects deemed inappropriate to participate in this study by the principle investigator |
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| Target sample size | 20 | |||
| Research contact person | |||||||
| Last name of lead principal investigator |
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| Organization | Kao Corporation | ||||||
| Division name | Biological Science Research | ||||||
| Zip code | |||||||
| Address | 2606, Akabane, Ichikai-machi, haga-gun, Tochigi, 321-3497, JAPAN | ||||||
| TEL | +81-285-68-7769 | ||||||
| mori.takuya@kao.com | |||||||
| Public contact | |||||||
| 1st name of contact person |
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| Organization | Kao Corporation | ||||||
| Division name | Biological Science Research | ||||||
| Zip code | |||||||
| Address | 2606, Akabane, Ichikai-machi, haga-gun, Tochigi, 321-3497, JAPAN | ||||||
| TEL | +81-285-68-7687 | ||||||
| Homepage URL | |||||||
| ono.shigeyuki@kao.com | |||||||
| Sponsor | |
| Institute | Kao Corporation |
| Institute | |
| Department | |
| Funding Source | |
| Organization | Kao Corporation |
| Organization | |
| Division | |
| Category of Funding Organization | Profit organization |
| Nationality of Funding Organization | |
| Other related organizations | |
| Co-sponsor | |
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| IRB Contact (For public release) | |
| Organization | |
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| 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 | 花王株式会社(栃木県) |
| Other administrative information | |||||||
| Date of disclosure of the study information |
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| 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 |
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| Date of IRB |
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| Anticipated trial start date |
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| Last follow-up date |
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| Date analysis concluded | |||||||
| Other | |
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| Management information | |||||||
| Registered date |
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| Last modified on |
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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=R000038382 |