ClinicalTrials.gov
 Home    Search    Study Topics    Glossary  
 

  Full Text View  
  Tabular View  
  Contacts and Locations  
  No Study Results Posted  
  Related Studies  
Safety and Efficacy of Skin Cleanser Contained Roselle Extract in Acne

This study is currently recruiting participants.
Study NCT00701480.   Last updated on June 17, 2008.   Information provided by Thammasat University

This Tabular View shows the required WHO registration data elements as marked by

Descriptive Information Fields
Brief Title  Safety and Efficacy of Skin Cleanser Contained Roselle Extract in Acne
Official Title  Randomized Double-Blind Case Control Study of Safety and Efficacy of Skin Cleanser Contained Hibiscus Sabdariffa Extract in Acne Treatment.
Brief 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.

Detailed 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.

Study Phase Phase II
Study Type  Interventional
Study Design  Supportive Care, Randomized, Double Blind (Subject, Investigator, Outcomes Assessor), Active Control, Parallel Assignment, Safety/Efficacy Study
Primary Outcome Measure  1. Safety evaluation: Patch test 2. Efficacy evaluation: Acne lesions counts/ acne severity grading [ Time Frame: 6 weeks ] [ Designated as safety issue: Yes ]
Secondary Outcome Measure  1. Safety evaluation: "a." Skin properties by visual and tactile features., "b." Biophysical parameters of skin. 2.Efficacy evaluation: Patient assessments. [ Time Frame: 6 weeks ] [ Designated as safety issue: Yes ]
Condition  Acne
Intervention  Other: skin cleanser contained Hibiscus sabdariffa extract
Other: marketed skin cleanser
MEDLINE PMIDs
Links
Recruitment Information Fields
Recruitment Status  Recruiting
Enrollment  50
Start Date  April 2008
Completion Date September 2008
Eligibility Criteria 

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
Gender Both
Ages 12 Years to 45 Years
Accepts Healthy Volunteers Yes
Contacts ††
Contact: Mali - Achariyakul, MD.     66-02-9269473     mali1799@hotmail.com    
Contact: Narumol - Teeranulak, MD.     66-02-9269474     narumol-the@yahoo.com    
Location Countries  Thailand
Administrative Information Fields
NCT ID  NCT00701480
Organization ID MTU-E-1-002/51
Secondary IDs ††
Study Sponsor  Thammasat University
Collaborators †† National Research Council of Thailand
Investigators 
Principal Investigator:     Mali - Achariyakul, MD.     Thammasat University    
Information Provided By Thammasat University
Verification Date June 2008
First Received Date  June 17, 2008
Last Updated Date June 17, 2008

 †    Required WHO trial registration data element.
††   WHO trial registration data element that is required only if it exists.




Links to all studies - primarily for crawlers