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Objective: Risankizumab (Skyrizi), an interleukin-23 (IL-23) antagonist, was approved by the Food and Drug Administration (FDA) for the treatment of moderate to severe plaque psoriasis in April 2019. This article will review phase II and III clinical trials to assess the efficacy, safety, and clinical application of this drug. Data Sources: A systematic literature review was performed using the terms “psoriasis AND risankizumab” in the OVID MEDLINE, PubMed, Cochrane Library, EMBASE, and Web of Science databases. ClinicalTrials.gov was searched to identify ongoing or nonpublished studies. Study Selection and Data Extraction: Articles written in English between January 2000 and October 2019 discussing phase II and phase III clinical trials were evaluated. Data Synthesis: By the primary end point at week 16 in phase III trials, more patients achieved Psoriasis Area and Severity Index 90 receiving 150 mg risankizumab (72%-75%) compared with placebo (2.0%-4.9%, P < 0.001), 45 or 90 mg ustekinumab (42.0%-48%, P < 0.0001), and 40 mg adalimumab (47%, P < 0.0001). More patients achieved a static Physician’s Global Assessment score of 0 or 1 receiving 150 mg risankizumab (84%-88%) compared with placebo (5.1%-7.8%, P < 0.001), 45 or 90 mg ustekinumab (62%-63%, P < 0.0001), and 40 mg adalimumab (60%, P < 0.0001). Risankizumab was well tolerated across all studies. Conclusion: Risankizumab is a newly FDA-approved IL-23 inhibitor that shows particular promise in the treatment of plaque psoriasis. Based on this review, it is an effective and safe addition to the armamentarium of biologics that are currently available.

Objective: This article reviews clinical trials to assess the efficacy, safety, and clinical application of trifarotene 0.005% cream (Aklief). Data Sources: A systematic review of the literature was performed using the terms trifarotene OR Aklief OR CD5789 in MEDLINE (PubMed) and EMBASE databases. Articles prior to May 2020 were considered for inclusion. Bibliographies and ClinicalTrials.gov were also searched to identify further studies. Study Selection and Data Extraction: Relevant English language and human studies related to pharmacology, clinical trials, and safety were considered. Data Synthesis: In the 52-week phase III trial, treatment success rates for facial acne (Investigator Global Assessment [IGA] rating of no or almost no acne) and truncal acne (Physician’s Global Assessment [PGA] rating of no or almost no acne) were 65.1% and 66.9%, respectively. Overall success rates (IGA and PGA success in the same patient) were 57.9%; 52.8% of patients had a Dermatology Quality of Life Index score of 0 or 1, compared with 22.6% at baseline. Trifarotene was well tolerated, with pruritus, irritation, and sunburn as the most common adverse effects. Relevance to Patient Care and Clinical Practice: Trifarotene is a newly Food and Drug Administration–labeled fourth-generation topical retinoid that shows particular promise in the treatment of facial and truncal acne vulgaris. It is an effective and safe addition to currently available retinoids. Conclusion: Trifarotene is effective and safe for treatment of facial and truncal acne. Future trials should compare its efficacy and tolerability with that of the older, clinically established retinoids. Despite efficacy, cost may be a prohibitive factor.

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Objective: Sarecycline is a new oral tetracycline antibiotic recently approved by the US Food and Drug Administration. The aim of this article was to evaluate the data from published clinical trials of sarecycline in the treatment of acne, review the drug’s pharmacology, and understand how this new medication may apply to clinical practice. Data Sources: A systematic literature review was performed using the terms sarecycline (Seysara), P005672, and WC-3035 in the MEDLINE and EMBASE databases. ClinicalTrials.gov was searched to identify ongoing or nonpublished studies. Study Selection and Data Extraction: Articles in English between January 2000 and April 2019 relating to clinical trials, pharmacology, safety, and microbiological profile were evaluated. Data Synthesis: In a phase 3 clinical trial (SC1401), absolute change from baseline in facial inflammatory lesion count at week 12 was −15.3 for the sarecycline arm and −10.1 for placebo ( P < 0.01). In another phase 3 clinical trial (SC1402), the absolute change in this category was −15.7 for sarecycline and −10.7 for placebo ( P < 0.01). Mean percentage change in facial inflammatory lesion count was higher in the sarecycline group than in the placebo group in both studies ( P < 0.01). Relevance to Patient Care and Clinical Practice: The 1.5-mg/kg sarecycline dose has efficacy in reducing inflammatory lesions, is well tolerated, and has more targeted antimicrobial activity, which may help reduce the risk of developing antibiotic resistance. Conclusions: This novel, once-daily treatment may represent a useful treatment for patients with moderate to severe acne.

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