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Efficacy and Safety of Guselkumab, an Anti-interleukin 23 Monoclonal Antibody, for Palmoplantar Pustulosis: A Randomized Clinical Trial.

ABSTRACT: Importance:Palmoplantar pustulosis (PPP) is a recalcitrant skin disease with no biologics currently approved for treatment. The involvement of interleukin 23 (IL-23) and cytokines of the type 17 helper T cell lineage in the pathogenesis of PPP has been recently postulated. Objective:To evaluate the efficacy and safety of guselkumab, an anti-IL-23 monoclonal antibody, in Japanese patients with PPP. Design, Setting, and Participants:This double-blind, randomized, placebo-controlled, parallel-group, 24-week trial was conducted between May 14, 2013, and September 27, 2014, at 11 centers in Japan. Participants were patients with moderate to severe PPP that did not respond adequately to conventional treatments. Interventions:Patients were randomized 1:1 to receive guselkumab, 200 mg, by subcutaneous injection or matching placebo at weeks 0 and 4. Main Outcomes and Measures:Changes in total scores of skin-related outcomes from baseline at the end of week 16 (primary clinical cutoff) and through week 24 were measured. Serum biomarker analyses were performed at baseline, week 4, and week 16, and safety was monitored through week 24. Results:Of 49 randomized patients (35 [71%] women; median [range] age, 52 [28-77] years), 41 completed the study at week 24. Mean (SD) PPP severity index total scores (primary end point) improved significantly from baseline in guselkumab-treated patients (-3.3 [2.43]) vs placebo (-1.8 [2.09]) (least squares mean difference, -1.5; 95% CI, -2.9 to -0.2; P?=?.03). At week 16, PPP area and severity index scores (least squares mean difference, -5.65; 95% CI, -9.80 to -1.50; P?=?.009) and proportion of patients achieving 50% reduction in these scores (difference in proportion, 39.2; 95% CI, 14.0-64.3; P?=?.009) improved significantly. A numerically higher proportion of patients had a physician's global assessment score of 1 or less in the guselkumab group vs placebo. Improvement in efficacy scores was maintained through week 24 in the guselkumab group. Significant reductions from baseline in serum IL-17A and IL-17F cytokine levels were observed at weeks 4 and 16. Frequency of treatment-emergent adverse events was comparable between the guselkumab group (19 of 25 patients [76%]) and the placebo group (18 of 24 patients [75%]). Frequent adverse effects included nasopharyngitis (14 patients [29%]), headache (3 patients [6%]), contact dermatitis (3 patients [6%]), and injection site erythema (3 patients [6%]). No major safety concerns emerged during the study. Conclusions and Relevance:Targeting IL-23 and its associated immune cascade with guselkumab may be a safe and useful therapeutic option for treatment of PPP. Trial Registration:clinicaltrials.gov Identifier: NCT01845987.

SUBMITTER: Terui T

PROVIDER: S-EPMC5885837 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature

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Efficacy and Safety of Guselkumab, an Anti-interleukin 23 Monoclonal Antibody, for Palmoplantar Pustulosis: A Randomized Clinical Trial.

Terui Tadashi T Kobayashi Satomi S Okubo Yukari Y Murakami Masamoto M Hirose Keiichiro K Kubo Hiroshi H

JAMA dermatology 20180301 3

<h4>Importance</h4>Palmoplantar pustulosis (PPP) is a recalcitrant skin disease with no biologics currently approved for treatment. The involvement of interleukin 23 (IL-23) and cytokines of the type 17 helper T cell lineage in the pathogenesis of PPP has been recently postulated.<h4>Objective</h4>To evaluate the efficacy and safety of guselkumab, an anti-IL-23 monoclonal antibody, in Japanese patients with PPP.<h4>Design, setting, and participants</h4>This double-blind, randomized, placebo-cont ...[more]

PMID: 29417135

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Project description:ImportancePalmoplantar pustulosis (PPP) causes erythematous, scaly plaques with recurrent sterile pustules refractory to treatment and with few randomized clinical trials conducted. Evidence points to involvement of interleukin 23 in the pathogenesis of PPP.ObjectiveTo determine the efficacy and safety of guselkumab, an anti-IL-23 monoclonal antibody, in Japanese patients with PPP.Design, setting, and participantsA phase 3 randomized clinical trial was conducted from December 15, 2015, to December 12, 2017. A total of 159 enrolled patients (aged ≥20 years) had an inadequate response to conventional therapies, with a diagnosis of PPP for 24 or more weeks before screening. Intention-to-treat analysis was performed.InterventionsSubcutaneous injections of guselkumab, 100 or 200 mg, at weeks 0, 4, and 12, and every 8 weeks thereafter were administered; placebo was given at weeks 0, 4, and 12.Main outcomes and measuresChanges from baseline in PPP Area and Severity Index (PPPASI) score (possible score range, 0-72, with higher scores indicating greater area and severity), PPP severity index (PPSI) score (possible score range, 0-12, with higher scores indicating greater severity), and proportion of PPPASI-50 (≥50% reduction) responders at weeks 16 and 52 were assessed. Safety was monitored through week 52.ResultsA total of 159 patients (mean [SD] age at diagnosis, 46.8 [11.9] years; 126 women [79.2%]) were enrolled. Treatment groups comprised guselkumab, 100 mg (n = 54), guselkumab, 200 mg (n = 52), or placebo (n = 53). Both guselkumab groups demonstrated significant improvement in least-squares mean changes in PPPASI score compared with placebo: -15.3 and -11.7 in the guselkumab 100-mg and 200-mg groups, respectively, and -7.6 in the placebo group (difference [SE] vs placebo: -7.7 [1.7] in the 100-mg group, P < .001; 95% CI, -11.00 to -4.38; and -4.1 [1.7] in the 200-mg group, P < .017; 95% CI, -7.47 to -0.75]). Least-squares mean changes in PPSI score showed significant improvement in both guselkumab groups (100 mg: -2.0 [0.5]; P < .001; 95% CI, -2.96 to -0.95; 200 mg: -1.0 [0.5; P = .04; 95% CI, -2.06 to -0.03). A significantly higher proportion of patients in the guselkumab 100-mg group (31 [57.4%]) achieved a PPPASI-50 response at week 16 vs placebo (18 [34.0%]; P = .02); however, the result was not significant for the guselkumab 200-mg group (19 [36.5%]) vs placebo; P = .78). Each efficacy end point improved consistently through week 52. Health-related quality of life improved significantly as indicated by a reduction in the Dermatology Life Quality Index score (100 mg: -2.6; 95% CI, -4.0 to -1.2; P < .001; 200 mg: -1.6; 95% CI, -3.1 to -0.2; P = .03). Serious treatment-emergent adverse events were observed in 8 patients (placebo group, 2 of 53 [3.8%]; combined guselkumab group, 6/157≠10.5%). No serious infections were reported.Conclusions and relevanceTargeting interleukin 23 with guselkumab may be an effective and safe treatment option for a recalcitrant disease such as PPP.Trial registrationClinicalTrials.gov identifier: NCT02641730.

Project description:The safety and efficacy of guselkumab for palmoplantar pustulosis (PPP) have been established through week (W)52; however, no sufficient information is available beyond 1 year. This study was conducted to assess the efficacy and safety of guselkumab through W84, and to explore factors associated with the sustainability of its efficacy in Japanese PPP patients. Patients received guselkumab 100 or 200 mg at W0, W4, W12, and every 8 weeks (q8w) until W60, or placebo at W0, W4, and W12. At W16, patients receiving placebo were re-randomized to receive guselkumab 100/200 mg at W16, W20, and q8w until W60. Efficacy end-points included PPP Area and Severity Index (PPPASI), PPP Severity Index (PPSI), Physician's Global Assessment scores, and patient reported outcomes (PRO) (Dermatology Life Quality Index, EuroQoL-5 Dimensions, and 36-item Short Form Health Survey). Post-hoc comparison of patient characteristics was performed between PPPASI-75/90 responders and non-responders at W60, and sustained responders and non-responders at W84. Safety was evaluated through W84. A total of 45, 43, 21, and 24 patients from the guselkumab 100 mg, guselkumab 200 mg, placebo→guselkumab 100 mg, and placebo→guselkumab 200 mg groups, respectively, completed the study through W84. Overall, the mean improvement in the guselkumab groups from baseline in the PPPASI and PPSI total scores at W84 was ~79% and ~66%, respectively. All PRO improved through W84. The proportion of responders through W60 was higher in patients who had not received prior phototherapy and non-biologic systemic therapy for PPP. Non-smokers and patients with no prior non-biologic systemic treatment tended numerically towards sustained efficacy through W84. The majority of treatment-emergent adverse events (TEAE) were mild to moderate (~88%) with low incidence of serious TEAE (7.6%). Overall, guselkumab showed sustained efficacy and safety with improvement in the health-related quality of life through W84 in Japanese PPP patients.

Project description:ObjectiveGuselkumab, a human monoclonal antibody specific to interleukin-23p19, demonstrated efficacy and safety versus placebo through week 24 of the phase III DISCOVER-2 trial in biologic-naive patients with psoriatic arthritis (PsA). Here we report 1-year DISCOVER-2 findings.MethodsAdults with active PsA (≥5 swollen and ≥5 tender joints; C-reactive protein level ≥0.6 mg/dl) despite standard nonbiologic treatment were randomized to receive subcutaneous injections of guselkumab 100 mg every 4 weeks, guselkumab 100 mg at week 0, week 4 and every 8 weeks thereafter, or placebo with crossover to guselkumab 100 mg every 4 weeks at week 24. We primarily evaluated clinical efficacy through week 52 by imputing missing data (nonresponse for categorical end points; no change/using multiple imputation for continuous end points). Observed radiographic scores and adverse events (AEs) were summarized.ResultsOf 739 randomized, treated patients, 93% completed week 52. The proportions of patients in whom a ≥20% improvement from baseline in American College of Rheumatology criteria (ACR20) was achieved were maintained after week 24, reaching 71% (173 of 245) and 75% (185 of 248) for patients randomized to receive treatment every 4 weeks or every 8 weeks, respectively, by week 52. The proportions of patients in whom ACR50/ACR70 and skin responses, minimal or very low disease activity, and dactylitis or enthesitis resolution were achieved at week 24 were also maintained through week 52. Further, low levels of radiographic progression, along with improvements in physical function and health-related quality of life, were sustained through week 52 with continued guselkumab treatment. Few patients experienced serious infections through week 52, with no evidence of a dosing regimen response or increase from weeks 0-24 (4 of 493 [0.8%]) to weeks 24-52 (3 of 493 [0.6%]) among guselkumab-randomized patients. No patient developed an opportunistic infection or died.ConclusionIn biologic-naive PsA patients, guselkumab provided sustained improvements across diverse manifestations and maintained a favorable risk-benefit profile through week 52.

Dataset Information

Efficacy and Safety of Guselkumab, an Anti-interleukin 23 Monoclonal Antibody, for Palmoplantar Pustulosis: A Randomized Clinical Trial.

Publications

Efficacy and Safety of Guselkumab, an Anti-interleukin 23 Monoclonal Antibody, for Palmoplantar Pustulosis: A Randomized Clinical Trial.

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