arcutis biotherapeutics, inc., a biopharmaceutical company, focuses on developing and commercializing treatments for dermatological diseases. its lead product candidate is arq-151, a topical cream formulation of roflumilast that is in phase iii clinical trials for the treatment of plaque psoriasis and atopic dermatitis. the company is also developing arq-154, a topical foam formulation of arq-151 for the treatment of seborrheic dermatitis and scalp psoriasis; arq-252, a selective topical small molecule inhibitor of janus kinase type 1 for hand eczema and other inflammatory dermatoses; and arq-255, a topical formulation of arq-252 designed to reach deeper into the skin to the postulated site of inflammation in alopecia areata. the company was formerly known as arcutis, inc. and changed its name to arcutis biotherapeutics, inc. in october 2019. arcutis biotherapeutics, inc. was founded in 2016 and is headquartered in westlake village, california.