A 12-week randomized, double-blind, placebo-controlled pilot study to evaluate the effect of a probiotic blend in the treatment and clinical and subjective evolution of acne vulgaris in adolescent and adult patients between 12 and 30 years.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
25
Probiotic with maltodextrin as a carrier.
Placebo with maltodextrin base.
Hospital Vithas Nisa 9 de Octubre
Valencia, Spain
Change from baseline in GAGS (Global Acne Grading System) index score at 12 weeks
TOTAL SCORE = Nose S x 1 + Chin S x 1 + Front S x 2 + Right cheek S x 2 + Left cheek S x 2 + Torso S x 3 \[Severity (S): 0 = Absence; 1 = Comedones; 2 = Papules; 3 = Pustules; 4 = Nodules\] SCORE: 0 = Clean; 1-18 = Mild; 19-30 = Moderate; 31-38 = Severe; \> 38 = Very severe
Time frame: 12-week
AGSS (Acne Global Severity Scale) index score
Score between 0 and 5: 0 = Clean = Normal and clear skin without evidence of acne 1. = Almost clean = There are some non-inflammatory lesions, with uncommon and non-inflamed papules 2. = Mild = few inflammatory lesions (no nodule-cystic lesions) 3. = Moderate = Noninflammatory lesions predominate, but multiple inflammatory lesions appear (nodule-cystic lesions may be present) 4. = Severe = Inflammatory lesions predominate (nodule-cystic lesions may be present) 5. = Very severe = Highly inflammatory lesions predominate (several nodule-cystic lesions)
Time frame: 0, 6 and 12-week
Number of acne lesions
Number of non-inflammatory, inflammatory and total acne lesions.
Time frame: 0, 6 and 12-week
Patient subjective evaluation
Min score (Best) = 6 Max score (Worst) = 30
Time frame: 0, 6 and 12-week
Adherence to treatment
Compliance rate (in percentage) calculated as the number of leftover capsules divided by the total number of days between visits.
Time frame: 12-week
Treatment safety assessed by number of adverse events
Number of adverse events that occur during the treatment period.
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Time frame: 12-week