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1.
Am J Clin Dermatol ; 25(2): 327-332, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38243107

RESUMO

BACKGROUND: Ruxolitinib cream is the first topical Janus kinase (JAK) inhibitor approved in the United States (US) for the treatment of mild to moderate atopic dermatitis and nonsegmental vitiligo. A postmarketing study with oral tofacitinib, approved for rheumatoid arthritis, triggered class warnings for JAK inhibitors, including risk of serious infections, mortality, malignancy, major adverse cardiovascular events, and thrombosis. Because ruxolitinib cream is indicated for inflammatory conditions, it is subject to the same warnings as oral JAK inhibitors in the US. Here, nearly 14,000 patient-years of postmarketing safety data from the first year following market approval of ruxolitinib cream were reviewed. METHODS: The Incyte global safety database (21 September 2021-20 September 2022) and US FDA Adverse Event Reporting System (as of 30 September 2022) were queried for adverse event (AE) reports received for ruxolitinib cream. RESULTS: The search identified 294 postmarketing individual case safety reports containing 589 events, including four serious AEs and no fatal AEs. AEs (i.e., any unfavorable sign, symptom, or disease) representing >2% of all events included application site pain (n = 16), atopic dermatitis (n = 15), skin irritation (n = 15), scratch (n = 14), and condition aggravated (n = 13). The four serious AEs were skin cancer (n = 2), pericarditis, and thrombocytopenia (both n = 1), none of which had sufficient information to assess possible relatedness to ruxolitinib cream. Serious AEs associated with the class warnings for JAK inhibitors were not reported. CONCLUSIONS: Postmarketing safety data from the year following approval suggest ruxolitinib cream is generally well tolerated, without significant systemic AEs, and with a low incidence of application site reactions.


Assuntos
Dermatite Atópica , Inibidores de Janus Quinases , Pirazóis , Pirimidinas , Humanos , Estados Unidos , Dermatite Atópica/tratamento farmacológico , Nitrilas/uso terapêutico , Emolientes/uso terapêutico
2.
J Hematol Oncol ; 16(1): 82, 2023 07 27.
Artigo em Inglês | MEDLINE | ID: mdl-37501130

RESUMO

Myelofibrosis (MF) is a chronic myeloproliferative neoplasm characterized by bone marrow fibrosis, anemia, extramedullary hematopoiesis, and splenomegaly. Patients with MF are at risk for reduced survival versus the general population and often experience burdensome signs and symptoms that reduce quality of life. The oral Janus kinase (JAK) 1/JAK2 inhibitor ruxolitinib was initially approved by the US Food and Drug Administration in 2011 for the treatment of patients with intermediate or high-risk MF, including primary MF, post-polycythemia vera MF, and post-essential thrombocythemia MF, based on efficacy and safety findings from the randomized, controlled, phase 3 COMFORT trials. Over a decade later, ruxolitinib continues to be the standard of care in higher-risk MF, and dose optimization and management remain crucial for safely maximizing clinical benefits of ruxolitinib. This review summarizes the safety profile of ruxolitinib in patients with MF in the COMFORT trials leading up to approval and in the subsequent JUMP, ROBUST, EXPAND, and REALISE trials; in pooled analyses; and in postmarketing analyses in the 10 years following approval. There is a focus on the occurrence of common hematologic and nonhematologic adverse events, with guidance provided on the management of patients with anemia or thrombocytopenia, including dosing strategies based on findings from the REALISE and EXPAND trials. Finally, to ensure a greater understanding of the safety profile of ruxolitinib, practical considerations are discussed.


Assuntos
Mielofibrose Primária , Humanos , Mielofibrose Primária/tratamento farmacológico , Qualidade de Vida , Janus Quinase 2 , Nitrilas/uso terapêutico , Pirimidinas/uso terapêutico
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