The aims of this study are to compare the effectiveness of antifungal foam versus antifungal shampoo and determine patient compliance and satisfaction with both vehicles among African American females with dandruff practicing less than once weekly hair washing.
A wide variety of topical vehicles are available for medications that treat scalp disorders. Proper vehicle selection is important when managing scalp conditions, such as seborrheic dermatitis, because the efficacy of these treatments depends largely on compliance and the amount of active ingredient delivered to the scalp. It is therefore important to prescribe vehicles that are easy to apply and cause the least amount of disruption to the patients' pre-existing hair care practices. One of the most common rate limiting hair care practices among different cultures is wash frequency. Literature shows African American women are more likely to wash their hair less than once weekly versus Caucasian women. We hypothesize certain vehicles, such as foam preparations which do not require hair washing, will be more efficacious in African American women with seborrheic dermatitis than shampoo preparations.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
23
Subjects in the Foam (F) group will apply ketoconazole 2% foam to the scalp twice daily for four weeks.
Subjects in the Shampoo (S) group will wash their hair twice weekly for four weeks with ketoconazole 2% shampoo.
St. Louis University Department of Dermatology
St Louis, Missouri, United States
Total Dandruff Severity Score (TDSS)
The scalp will be divided into quadrants and for each quadrant the percent of involvement and degree of severity will be assessed. The percent of involvement will be measured on a scale of 0 to 4 in which a score of 0 means less than 10% involvement, and a score of 4, more than 76% involvement. Severity will be measured on a scale of 0 to 3 in which a score of 0 indicates normal skin, and a score of 3, marked erythema with thick confluent plates of yellowish white scales. The whole scalp score will then calculated by multiplying the total percent involvement score by the total severity score. Quadrant scalp score = percent involvement score x severity score Total scalp score = summation of all the quadrant scores TDSS value ranges from 0-48, with 0 equal to no scale, which is the best outcome, compared to 48, which is the most severe and worse outcome
Time frame: up to 8 weeks
Number of Participants Who Are Always Compliant.
Patient compliance will be evaluated by having patients keep a diary documenting the use of study drug. They will also be questioned about their medication usage at every visit. In addition, we will weigh the study drug at every visit. a patient is classified as always indicates that they use their medicine as directed on their diary on every visit.
Time frame: at end of each treatment period (4 weeks and 8 weeks)
Number of Participants Who Are Very Satisfied
Patient satisfaction will be measured using a five point satisfaction scale. 1. very dissatisfied 2. dissatisfied 3. Neutral 4. satisfied 5. very satisfied.
Time frame: data were collected at end of each treatment period (4 weeks and 8 weeks)
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