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Ixekizumab improves secondary lesional signs, pain and sexual health in patients with moderate-to-severe genital psoriasis.

ABSTRACT: BACKGROUND:Epithelial surface disruption in genital psoriatic lesions may manifest as erosions, fissures and/or ulcers, causing pain and significantly impacting a patient's sexual health. OBJECTIVE:To evaluate the impact of erosions, fissures and/or ulcers in genital psoriatic lesions on pain and sexual activity in patients with moderate-to-severe genital psoriasis (GenPs) and treatment responses to ixekizumab vs. placebo until Week 12. METHODS:This post hoc subgroup analysis of patients presenting with and without erosions, fissures and/or ulcers in genital lesions from a phase IIIb multicentre, randomized, double-blind, placebo-controlled study (IXORA-Q; NCT02718898) in 149 adults with moderate-to-severe GenPs treated with subcutaneous ixekizumab (80 mg every 2 weeks; n = 75) or placebo (n = 74) evaluated outcomes for clinician-rated GenPs severity (static Physician's Global Assessment of Genitalia; sPGA-G) and patient-reported genital pain and itch (Genital Psoriasis Symptoms Scale; GPSS) and sexual health (Genital Psoriasis Sexual Frequency Questionnaire; GenPs-SFQ). RESULTS:At baseline, 38% (n = 57) of patients presented with genital erosions, fissures and/or ulcers independent of overall body surface area involvement (<10% or ?10%). These signs were associated with higher scores for disease severity (sPGA-G) and pain (GPSS) but not sexual health (GenPs-SFQ). Complete resolution of these signs was observed in 62% of ixekizumab-treated patients (25% for placebo) at Week 1 and 83% (21% for placebo) at Week 12. Patients treated with ixekizumab reported significant improvements in pain, itch, disease severity and sexual health over 12 weeks compared to placebo and irrespective of the presence/absence of genital erosions, fissures and/or ulcers at baseline. CONCLUSION:Ixekizumab led to rapid and sustained resolution of erosions, fissures and/or ulcers and significant improvements in GenPs severity, genital pain and sexual health. Ixekizumab may help to improve the well-being of patients with GenPs.

SUBMITTER: Merola JF

PROVIDER: S-EPMC7318177 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Ixekizumab improves secondary lesional signs, pain and sexual health in patients with moderate-to-severe genital psoriasis.

Merola J F JF Ghislain P-D PD Dauendorffer J N JN Potts Bleakman A A Brnabic A J M AJM Burge R R Riedl E E

Journal of the European Academy of Dermatology and Venereology : JEADV 20200205 6

<h4>Background</h4>Epithelial surface disruption in genital psoriatic lesions may manifest as erosions, fissures and/or ulcers, causing pain and significantly impacting a patient's sexual health.<h4>Objective</h4>To evaluate the impact of erosions, fissures and/or ulcers in genital psoriatic lesions on pain and sexual activity in patients with moderate-to-severe genital psoriasis (GenPs) and treatment responses to ixekizumab vs. placebo until Week 12.<h4>Methods</h4>This post hoc subgroup analys ...[more]

PMID: 31919919

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Project description:OBJECTIVE:To conduct a cost-effectiveness analysis from the perspective of the Spanish National Health System (NHS) comparing ixekizumab versus secukinumab. DESIGN:A Markov model with a lifetime horizon and monthly cycles was developed based on the York model. Four health states were included: a biological disease-modifying antirheumatic drug (bDMARD) induction period of 12 or 16?weeks, maintenance therapy, best supportive care (BSC) and death. Treatment response was assessed based on both Psoriatic Arthritis Response Criteria (PsARC) and ?90% improvement in the Psoriasis Area Severity Index score (PASI90). At the end of the induction period, responders transitioned to maintenance therapy. Non-responders and patients who discontinued maintenance therapy transitioned to BSC. Clinical efficacy data were derived from a network meta-analysis. Health utilities were generated by applying a regression analysis to Psoriasis Area Severity Index and Health Assessment Questionnaire?Disability Index scores collected in the ixekizumab SPIRIT studies. Results were subject to extensive sensitivity and scenario analysis. SETTING:Spanish NHS. PARTICIPANTS:A hypothetical cohort of bDMARD-naïve patients with psoriatic arthritis and concomitant moderate-to-severe psoriasis was modelled. INTERVENTIONS:Ixekizumab and secukinumab. RESULTS:Ixekizumab performed favourably over secukinumab in the base-case analysis, although cost savings and quality-adjusted life-year (QALY) gains were modest. Total costs were €153?901 compared with €156?559 for secukinumab (difference -€2658). Total QALYs were 9.175 vs 9.082 (difference 0.093). Base-case results were most sensitive to the annual bDMARD discontinuation rate and the modification of PsARC and PASI90 response to ixekizumab or secukinumab. CONCLUSION:Ixekizumab provided more QALYs at a lower cost than secukinumab, with differences being on a relatively small scale. Sensitivity analysis showed that base-case results were generally robust to changes in most input parameters. TRIAL REGISTRATION NUMBER:SPIRIT-P1: NCT01695239; Post-results, SPIRIT-P2: NCT02349295; Post-results.

Project description:BACKGROUND:Psoriasis is a chronic inflammatory skin disease characterized by hyperproliferation and abnormal differentiation of keratinocytes. It is one of the most prevalent chronic inflammatory skin conditions in adults worldwide, with a considerable negative impact on quality of life. Circular RNAs (circRNAs) are a recently identified type of non-coding RNA with diverse cellular functions related to their exceptional stability. In particular, some circRNAs can bind and regulate microRNAs (miRNAs), a group of RNAs that play a role in the pathogenesis of psoriasis. The aim of this study was to characterize the circRNAome in psoriasis and to assess potential correlations to miRNA expression patterns. METHODS:We used high-throughput RNA-sequencing (RNA-seq), NanoString nCounter technology and RNA chromogenic in situ hybridization (CISH) to profile the circRNA expression in paired lesional and non-lesional psoriatic skin from patients with psoriasis vulgaris. In addition, 799 miRNAs were profiled using NanoString nCounter technology and laser capture microdissection was used to study the dermis and epidermis separately. RESULTS:We found a substantial down-regulation of circRNA expression in lesional skin compared to non-lesional skin. We observed that this mainly applies to the epidermis by analyzing laser capture microdissected tissues. We also found that the majority of the circRNAs were downregulated independently of their corresponding linear host genes. The observed downregulation of circRNAs in psoriasis was neither due to altered expression levels of factors known to affect circRNA biogenesis, nor because lesional skin contained an increased number of inflammatory cells such as lymphocytes. Finally, we observed that the overall differences in available miRNA binding sites on the circRNAs between lesional and non-lesional skin did not correlate with differences in miRNA expression patterns. CONCLUSIONS:We have performed the first genome-wide circRNA profiling of paired lesional and non-lesional skin from patients with psoriasis and revealed that circRNAs are much less abundant in the lesional samples. Whether this is a cause or a consequence of the disease remains to be revealed, however, we found no evidence that the loss of miRNA binding sites on the circRNAs could explain differences in miRNA expression between lesional and non-lesional skin.

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Ixekizumab improves secondary lesional signs, pain and sexual health in patients with moderate-to-severe genital psoriasis.

Publications

Ixekizumab improves secondary lesional signs, pain and sexual health in patients with moderate-to-severe genital psoriasis.

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