Allergan PLC and Paratek Pharmaceuticals Inc. had the only positive acne data out of four later-stage programs that have reported results so far in 2017 when the partners unveiled Phase III results for sarecycline, a potentially safer cycline oral antibiotic.
Acne Pipeline Yields Three Disappointments, One Win So Far In 2017
The pipeline of acne therapeutics is packed with possibilities, but of four candidates to report data so far this year, only one was successful – Allergan's and Paratek's sarecycline, which may be a better antibiotic option, but doesn't give dermatologists a much-needed new mechanism of action.

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