The use of oral antibiotics alone to treat inflammatory acne provides little to no long term therapeutic benefit. Acne relapse rates can be reduced by using topical tretinoin 0.01% in conjunction with minocycline, thereby increasing the therapeutic effect of the oral antibiotic.
Although oral antibiotics have been the mainstay of treatment of inflammatory acne for 30 years, studies comparing their efficacy have little scientific value. Evidence-based dermatology proves minocycline to be an effective treatment for acne vulgaris while the patient remains on the medication; however, the relapse rate of acne after a course of antibiotics has never been established. The relapse rate would appear to be significant, as repeated courses and long-term antibiotic use are commonly prescribed in practice. The increasing problem of drug resistance has raised issues of the suitability of such long term antibiotic treatment and this overuse is probably a contributing factor of multiple drug resistance in our society.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
38
100 mg capsules OD for 3 months
100mg OD Minocycline for 12 weeks plus OD Topical tretinoin 0.01% for 12 weeks Followed by topical tretinoin 0.01% OD for 12 weeks alone
Derm Research @ 888 Inc
Vancouver, British Columbia, Canada
Long-term efficacy
Time frame: 4 years
Relapse rate
Time frame: 4 years
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