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Objective To evaluate prevalence and clinical features of immune-related adverse events (irAEs) to immune checkpoint inhibitors (ICIs) in accordance with the gender of treated cancer patients. Methods A systematic review of the medical literature was conducted by searching all available clinical data up to December 2019 in several databases using a combination of MESH terms related to immune checkpoint inhibitors, autoimmunity, and gender. Analyzed data were related to all FDA approved ICIs and respective indications in cancer. Results According to data from the literature, male display a slightly lower frequencies of ICIs-related endocrinopathies compared with females, specifically thyroid dysfunction. On the contrary, ICIs-hypophysitis has been reported at higher rates among males compared with females. ICI-induced Sicca/Sjogren’s syndrome showed a more frequent occurrence in men than the idiopathic primary form. No differences in gender distribution seem to arise in hematologic and gastrointestinal-irAEs. Interestingly, the gender distribution of neurologic and vascular ICIs-irAEs appears male-dominant. Conclusions The present systematic review highlights for the first time that the distribution of patients experiencing irAEs associated with ICIs changes among the genders according to the specific drug used, the frequency of the cancer and of the autoimmune conditions in the general population.

Psoriatic arthritis (PsA) is a chronic inflammatory joint disease, seen in combination with psoriasis. Both genetic and environmental factors are responsible for the development of PsA, however little is known about the different weight of these two distinctive components in the pathogenesis of the disease. Genomic variability in PsA is associated with the disease and/or some peculiar clinical phenotypes. Candidate genes involved are crucial in inflammation, immune system, and epithelial permeability. Moreover, the genesis and regulation of inflammation are influenced by the composition of the human intestinal microbiome that is able to modulate both mucosal and systemic immune system. It is possible that pro-inflammatory responses initiated in gut mucosa could contribute to the induction and progression of autoimmune conditions. Given such premises, the aim of this review is to summarize immune-mediated response and specific bacterial changes in the composition of fecal microbiota in PsA patients and to analyze the relationships between bacterial changes, immune system, and host genetic background.

Introduction: Psoriasis is a chronic condition whose therapeutic armamentarium is increasingly being discussed, particularly when compared to past decades. The use of biologic agents has profoundly changed the history of this disease, as well as the management of psoriatic patients. Due to the enormous interest in psoriasis, as demonstrated within the scientific community and pharmaceuticals, new therapeutic targets have been identified and novel patented therapeutics are being tested. Areas covered: This review sought to give an overview of small molecules and antibodies patented in the last five years for the treatment of psoriasis. Therapeutic agents either in the early or advanced phase of development have been described, primarily based on a systematic search using the PubMed Medline database. Expert opinion: Though the recent introduction of new antipsoriatic agents has facilitated the management of long-term psoriasis, there is still a strong desire for alternative therapeutic options. Indeed, there remain unmet needs regarding safety and efficacy of psoriasis treatment that should be addressed. In this context, recently patented drugs may prove valid, interesting, and promising within the therapeutic paradigm