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Ruxolitinib Cream 1.5%: A Review in Mild to Moderate Atopic Dermatitis.

ABSTRACT: Ruxolitinib cream 1.5% (OPZELURA™) is a topical formulation of ruxolitinib, a potent, selective inhibitor of Janus kinase (JAK)1 and JAK2. The targeting of these kinases is associated with therapeutic benefits in patients with atopic dermatitis (AD). In two identically designed, multinational, phase III studies in patients aged ≥ 12 years with mild to moderate AD, ruxolitinib cream 1.5% improved measures of disease severity, pruritus and sleep disturbance relative to vehicle cream when applied twice daily for 8 weeks. Disease severity was controlled for the next 44 weeks when applied as needed to active lesions. Ruxolitinib cream 1.5% was well tolerated in this patient population; its safety profile was similar to that of vehicle cream over the short term, with the types of treatment-emergent adverse events typical of those seen in the vehicle-controlled period over the longer term. Moreover, application site treatment-emergent adverse events indicative of skin tolerability issues (e.g. stinging/burning sensation) were infrequent and no safety findings suggestive of systemic JAK inhibition were identified. Although further longer-term data would be of use, ruxolitinib cream 1.5% provides an alternative to established topical agents (e.g. corticosteroids and calcineurin inhibitors) for the treatment of mild to moderate AD in adults and adolescents.

SUBMITTER: Hoy SM

PROVIDER: S-EPMC10036407 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature

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Ruxolitinib Cream 1.5%: A Review in Mild to Moderate Atopic Dermatitis.

Hoy Sheridan M SM

American journal of clinical dermatology 20221220 1

Ruxolitinib cream 1.5% (OPZELURA™) is a topical formulation of ruxolitinib, a potent, selective inhibitor of Janus kinase (JAK)1 and JAK2. The targeting of these kinases is associated with therapeutic benefits in patients with atopic dermatitis (AD). In two identically designed, multinational, phase III studies in patients aged ≥ 12 years with mild to moderate AD, ruxolitinib cream 1.5% improved measures of disease severity, pruritus and sleep disturbance relative to vehicle cream when applied t ...[more]

PMID: 36538235

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Project description:BackgroundRuxolitinib cream is a topical formulation of ruxolitinib, an inhibitor of Janus kinase 1 and Janus kinase 2.ObjectiveWe aimed to determine the safety, tolerability, and bioavailability of 1.5% ruxolitinib cream under maximum-use conditions in patients with atopic dermatitis. Efficacy was evaluated as an exploratory objective.MethodsEligible patients aged ≥ 12-65 years with atopic dermatitis, an Investigator's Global Assessment score ≥ 2, and ≥ 25% affected body surface area were enrolled in an open-label, maximum-use phase I study conducted in the USA and Canada. Patients applied 1.5% ruxolitinib cream twice daily to lesions identified at baseline for the first 28 days and continued use only on active lesions for an additional 28 days (extension period). Safety was assessed by frequency, duration, and severity of treatment-emergent adverse events. Plasma concentrations of ruxolitinib and pharmacokinetic parameters were assessed as secondary endpoints.ResultsOverall, 41 patients (median age, 17 years; 51% male) were enrolled and 37 (90.2%) entered the extension period, all of whom completed the study. Treatment-emergent adverse events were reported in 13 patients (31.7%). Treatment-related adverse events were reported in four patients (9.8%). The mean (standard deviation) steady-state plasma concentration was 104 (309) nM during the first 28 days, well below the half-maximal inhibitory concentration of Janus kinase-mediated myelosuppression in the bone marrow (281 nM), and decreased further during the extension period. Higher plasma concentrations were detected in a few patients who were treated for a very high affected body surface area. At day 56, 94.6% of patients achieved ≥ 75% improvement in the Eczema Area and Severity Index.ConclusionsUnder maximum-use conditions, ruxolitinib cream was generally well tolerated, with approximately one-third of patients experiencing treatment-emergent adverse events and few treatment-related adverse events. The mean steady-state plasma concentration of ruxolitinib was well below the level expected to affect bone marrow production of blood cells, with a small number of patients exhibiting higher plasma concentrations. In addition, ruxolitinib cream showed a high level of efficacy in patients with atopic dermatitis involving ≥ 25% affected body surface area.ClinicaltrialsGov identifierNCT03920852.

Project description:Background: Crisaborole is a nonsteroidal anti-inflammatory phosphodiesterase 4 inhibitor that is approved for the treatment of patients with mild-to-moderate atopic dermatitis (AD); however, the efficacy and safety of crisaborole in patients with AD and other atopic comorbidities have not been investigated. Objective: This post hoc pooled analysis of the pivotal phase III studies (CrisADe CORE 1 and CORE 2) assessed the efficacy and safety of crisaborole versus vehicle in patients aged ≥ 2 years with mild-to-moderate AD and other atopic comorbidities. Methods: Patients with mild-to-moderate AD and a medical history of asthma, allergic rhinitis, or food allergies were identified. Efficacy assessments included the proportion of patients who achieved Investigator's Static Global Assessment (ISGA) success at day 29, ISGA clear or almost clear at day 29, and improvement in the Severity of Pruritus Scale score at week 4. Safety was assessed via treatment-emergent adverse events (TEAEs). Results: This analysis included 1522 patients (crisaborole, 1016; vehicle, 506); 26.2, 15.9, and 16.5% had a medical history of asthma, allergic rhinitis, and food allergies, respectively. The mean age was 12.2 years. A significantly greater proportion of patients treated with crisaborole achieved ISGA success at day 29 compared with patients treated with vehicle for most subgroups analyzed. Furthermore, a significantly greater proportion of patients treated with crisaborole achieved ISGA clear or almost clear at day 29 across all subgroups and demonstrated improvement in the Severity of Pruritus Scale score at week 4 versus patients treated with vehicle in most of the subgroups. Overall, most TEAEs were mild or moderate in severity; the most common treatment-related TEAE in patients with atopic comorbidities was application-site pain (crisaborole, 5.1%; vehicle, 1.7%). Conclusion: Crisaborole was efficacious and well tolerated in patients with mild-to-moderate AD and other atopic comorbidities, which suggested that crisaborole should be considered for the management of AD in this population. Clinical Trials NCT02118766 (CrisADe CORE 1) and NCT02118792 (CrisADe CORE 2), <ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://www.clinicaltrials.gov">www.clinicaltrials.gov</ext-link>.

Project description:Importance:Topical medication is the central treatment for patients with atopic dermatitis (AD), but the options are limited. Phosphodiesterase 4 (PDE4) inhibitors are a new candidate for AD therapy. Objective:To evaluate the efficacy and safety of topical PDE4 inhibitors in mild to moderate AD. Data Sources:Clinical trials were identified from MEDLINE, Embase, Cochrane Controlled Register of Trials, Chinese medical databases (Wanfang, Chinese National Knowledge Infrastructure, Chinese Biomedical Literature Database, and China Science and Technology Journal Database), ClinicalTrials.gov, and other trial registries from inception to August 15, 2018. No restrictions on languages were placed. Study Selection:Only double-blind randomized clinical trials with topical PDE4 inhibitors vs topical vehicle treatment for patients with mild to moderate AD were included. Data Extraction and Synthesis:Two reviewers independently extracted study features, intervention details, and outcomes. A meta-analysis was performed using the random-effects model. The Cochrane Collaboration's risk of bias assessment tool was used to assess the risk of bias. Funnel plots and Egger tests were used to assess the publication bias. Main Outcomes and Measures:Changes from baseline in target lesion score were expressed in terms of standardized mean differences (SMDs) with 95% CIs. Outcomes of investigators' assessment and safety were expressed in terms of relative risk with 95% CIs. Results:Seven studies were identified, which included 1869 patients with mild to moderate AD. Overall, compared with the topical vehicle control, topical application of PDE4 inhibitors was associated with a significant decrease in target lesion score (SMD -0.40; 95% CI, -0.61 to -0.18; P < .001) and a higher response rate in investigators' assessment of clear or almost clear skin (relative risk, 1.50; 95% CI, 1.33-1.70; P < .001). There was no difference in treatment-related adverse events or in adverse events that required discontinuation of therapy. Subgroup analyses indicated that after 14 and 28 days of therapy with PDE4 inhibitors, target lesion score was significantly decreased. However, these beneficial effects were displayed only for the PDE4 inhibitors crisaborole and AN2898 (crisaborole at day 14: SMD, -0.59; 95% CI, -1.15 to -0.02; P = .04; AN2898 at day 14: SMD, -0.76; 95% CI, -1.38 to -0.13; P = .02; crisaborole at day 28: SMD, -0.86; 95% CI, -1.44 to -0.28; P = .004; AN2898 at day 28: SMD, -0.68; 95% CI, -1.30 to -0.05; P = .03). Heterogeneity was not significant across studies. Conclusions and Relevance:This meta-analysis suggests that topical PDE4 inhibitors are a safe and effective treatment for mild to moderate AD. Current evidence supports the use of crisaborole or AN2898 as the choice of maintenance or sequential therapy for mild to moderate AD.

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Ruxolitinib Cream 1.5%: A Review in Mild to Moderate Atopic Dermatitis.

Publications

Ruxolitinib Cream 1.5%: A Review in Mild to Moderate Atopic Dermatitis.

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