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Clinical Trial Details — Status: Unknown status

Administrative data

NCT number NCT00701480
Other study ID # MTU-E-1-002/51
Secondary ID
Status Unknown status
Phase Phase 2
First received June 17, 2008
Last updated June 17, 2008
Start date April 2008
Est. completion date September 2008

Study information

Verified date June 2008
Source Thammasat University
Contact Mali - Achariyakul, MD.
Phone 66-02-9269473
Email mali1799@hotmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Skin cleanser for daily used is essential and one of the most common questions asked by acne patients. There are studies reported beneficial effects of cleansers in acne treatment. Extracts of plants as active ingredients in skin cleansers are increasingly popular worldwide. Roselle is a common tropical shrub. Usually, the calyces of the plant have been used to make beverages but it also used in Thai traditional medicine for several purposes including as antiseptic and astringent. The extract of roselle showed antioxidant and keratolytic effects from previous studies which fit to the pathogenesis of acne. The aims of the study is to determine the safety and efficacy of skin cleanser contained roselle extract in acne.


Description:

Acne is one of the most common skin problems in teenagers and adolescents. Keys pathogenesis of the disease are 1.abnormal hypercornification of pilosebaceous duct,2.excess sebum production, 3.inflammation, 4.the present of Propionibacterium acnes. Treatments often include combination of topical and oral medications according to degree of acne severities. Acne medications can lead to drying and irritation of skin. Proper skin cleansing is important and can improve tolerability and efficacy of acne treatment.

Traditional medicine with longstanding used of herbal ingredients for skin problems and beauty is increasing more popular. Hibiscus sabdariffa L.(Roselle) is used as food, drink and topical formulation for skin infection in Thai traditional medicine. The extract from calyces contained polyphenolic compounds and anthocyanins that showed antioxidant and keratolytic activities. There for skin cleanser with Roselle extract might be benefit to acne by loosen comedone, reduce Propionibacterium acne and prevent keratinocyte injury.

The purposes of this study is to evaluate skin cleanser contained Roselle extract in two aspects ; 1. safety for irritation and allergic effects, 2. efficacy in acne as cleanser alone and as supportive care with others acne therapies.


Recruitment information / eligibility

Status Unknown status
Enrollment 50
Est. completion date September 2008
Est. primary completion date July 2008
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 12 Years to 45 Years
Eligibility Inclusion Criteria:

- age 12-45 yrs,both sex

- clinical diagnosis of mild to moderately severe acne vulgaris(grade 1-3)

- have at least 10 facial acne lesions

- not changing any acne treatment during study period

- able to follow up according to protocol

- Written informed consent

Exclusion Criteria:

- pregnant or breast feeding

- severe acne(grade4 or nodulocystic acne)

- treated with isotretinoin orally during the last 3 months

- have other systemic disease or illness

- have allergic history to Roselle

Study Design


Related Conditions & MeSH terms


Intervention

Other:
skin cleanser contained Hibiscus sabdariffa extract
face washing 2-3 times/day
marketed skin cleanser
face washing 2-3 times/day

Locations

Country Name City State
Thailand Thammasat University KlongLaung Pathumtanee

Sponsors (2)

Lead Sponsor Collaborator
Thammasat University National Research Council of Thailand

Country where clinical trial is conducted

Thailand, 

Outcome

Type Measure Description Time frame Safety issue
Primary 1. Safety evaluation: Patch test 2. Efficacy evaluation: Acne lesions counts/ acne severity grading 6 weeks
Secondary 1. Safety evaluation: "a." Skin properties by visual and tactile features., "b." Biophysical parameters of skin. 2.Efficacy evaluation: Patient assessments. 6 weeks
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