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| Name | Class |
|---|---|
| Amorepacific Corporation | INDUSTRY |
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Beta-catenin, the transducer of Wnt signaling, is critical in development, growth, and regeneration of hair. In the absence of Wnt signals, cytoplasmic β-catenin is maintained at low level through regulation by GSK-3, multifunctional serine/threonin kinase. After phosphorylation by GSK-3, β-catenin is ubiquitinated and degraded in cytoplasm. Therefore, inhibition of GSK-3 is able to increase β-catenin in nucleus and would be able to induce growth of hair. Valproic acid (VPA) is an anticonvulsant and mood-stabilizing drug used for decades and is known to inhibit the GSK-3β. However, the effect of VPA on hairs has not been studied yet.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Sodium valproate | Experimental | spray 7.2% of sodium valproate on scalp twice a day (morning and evening) for 24 weeks |
|
| Control | Placebo Comparator | spray vehicle without sodium valproate on scalp twice a day (morning and evening) for 24 weeks |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Valproic Acid | Drug | spray 7.2% of sodium valproate on scalp twice a day (morning and evening) for 24 weeks |
|
| Measure | Description | Time Frame |
|---|---|---|
| linear hair growth rate | the average growth rate of hair shaft for 3 days | 24th week |
| Measure | Description | Time Frame |
|---|---|---|
| final hair density | total count of hair in a 1cm-diametered circle | 24th week |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Oh Sang Kwon, Prof. | Seoul National Univeristy Hospital | Study Chair |
| Seong Jin Jo, Fellow | Seoul National University Hospital | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Dermatology, Seoul National University Hospital | Seoul | 110-744 | South Korea |
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| ID | Term |
|---|---|
| D000505 | Alopecia |
| ID | Term |
|---|---|
| D007039 | Hypotrichosis |
| D006201 | Hair Diseases |
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
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| ID | Term |
|---|---|
| D014635 | Valproic Acid |
| ID | Term |
|---|---|
| D010421 | Pentanoic Acids |
| D014631 | Valerates |
| D000144 | Acids, Acyclic |
| D002264 | Carboxylic Acids |
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| Control placebo | Drug | spray vehicle without sodium valproate on scalp twice a day (morning and evening) for 24 weeks |
|
| D020763 |
| Pathological Conditions, Anatomical |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D009930 |
| Organic Chemicals |
| D005232 | Fatty Acids, Volatile |
| D005227 | Fatty Acids |
| D008055 | Lipids |