Safety, Effectiveness, and Pharmacokinetics of Crisaborole in Infants Aged 3 to < 24 Months with Mild-to-Moderate Atopic Dermatitis: A Phase IV Open-Label Study (CrisADe CARE 1).
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ABSTRACT: Background
Crisaborole ointment, 2%, is a nonsteroidal phosphodiesterase 4 inhibitor for the treatment of mild-to-moderate atopic dermatitis (AD).Objectives
The aim of this study was to evaluate the safety, effectiveness, and pharmacokinetics (PK) of crisaborole in infants aged 3 to < 24 months with mild-to-moderate AD in an open-label study.Methods
Infants (3 to < 24 months) with Investigator's Static Global Assessment (ISGA) of mild (2) or moderate (3) and percentage of treatable body surface area (%BSA) ≥ 5 received crisaborole twice daily for 28 days; a cohort with moderate AD per ISGA and %BSA ≥ 35 were included in a PK analysis. Endpoints included safety (primary), efficacy, and PK (exploratory).Results
Included were 137 infants total (mean age [SD], 13.6 months [6.42]), with 21 in the PK cohort (12.7 months [6.58]). Treatment-emergent adverse events (TEAEs) were reported for 88 (64.2%) patients (98.9% rated as mild/moderate). TEAEs were considered treatment-related for 22 patients (16.1%); most frequently reported were application site pain (3.6%), application site discomfort (2.9%), and erythema (2.9%). ISGA clear/almost clear with ≥ 2-grade improvement at day 29 was achieved by 30.2% of patients. From baseline to day 29, mean percentage change in Eczema Area and Severity Index score was - 57.5%, and mean change in Patient-Oriented Eczema Measure total score was - 8.5. Crisaborole systemic exposures in infants were characterized and, based on nonlinear regression analysis, were comparable with that in patients aged ≥ 2 years.Conclusions
In this open-label study, crisaborole was well tolerated and effective in infants (3 to < 24 months) with mild-to-moderate AD with systemic exposures similar to patients aged ≥ 2 years.Clinical trial registration
NCT03356977.
SUBMITTER: Schlessinger J
PROVIDER: S-EPMC7125059 | biostudies-literature |
REPOSITORIES: biostudies-literature
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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>.
| S-EPMC8677499 | biostudies-literature
Project description:IntroductionThe impact of crisaborole ointment, a nonsteroidal phosphodiesterase 4 inhibitor for the treatment of mild to moderate atopic dermatitis (AD), on quality of life (QoL) was assessed in two identically designed phase 3 studies (AD-301: NCT02118766; AD-302: NCT02118792, both at http://www.clinicaltrials.gov ).MethodsIn both studies, patients aged ≥ 2 years with mild to moderate AD per the Investigator's Static Global Assessment were randomly assigned 2:1 to receive crisaborole or vehicle twice daily for 28 days. QoL was assessed using the Children's Dermatology Life Quality Index (CDLQI) (2-15 years), the Dermatology Life Quality Index (DLQI) (≥ 16 years), and the Dermatitis Family Impact Questionnaire (DFI) (parents/caregivers/family of patients aged 2-17 years). Established QoL score severity bands provided clinical context.ResultsGreater mean improvement in QoL was observed in crisaborole-treated patients than in vehicle-treated patients at day 29 [mean change from baseline (∆BL), CDLQI: - 4.6 vs. - 3.0; P < 0.001; DLQI: - 5.2 vs. - 3.5; P = 0.015]. At baseline, more than half the patients had a "moderate effect" or higher of AD on QoL. At day 29, there was a trend toward more crisaborole- than vehicle-treated patients having "small effect" to "no effect", The QoL of parents/caregivers/family improved more for crisaborole-treated than for vehicle-treated patients (∆BL, DFI: - 3.7 vs. - 2.7; P = 0.003).ConclusionCrisaborole treatment results in clinically meaningful improvement in QoL for patients and their parents/caregivers/families.Trial registrationAD-301: http://www.clinicaltrials.gov , NCT02118766; AD-302: http://www.clinicaltrials.gov , NCT02118792.FundingAnacor Pharmaceuticals, Inc., a wholly owned subsidiary of Pfizer Inc., New York, NY.
| S-EPMC6261115 | biostudies-literature
Project description:ObjectivesThis post hoc analysis of pooled data from two phase III studies (AD-301: NCT02118766; AD-302: NCT02118792) explored the efficacy and safety of crisaborole ointment, 2%, a nonsteroidal phosphodiesterase 4 inhibitor, for the treatment of mild-to-moderate atopic dermatitis (AD) in pediatric patients (aged 2 to < 18 years) only, stratified by baseline characteristics.MethodsPediatric patients with mild or moderate AD per Investigator's Static Global Assessment (ISGA) and percentage of treatable body surface area (%BSA) ≥ 5 at baseline were assessed. Crisaborole or vehicle (2:1 randomization ratio) was applied twice daily for 28 days. Of the 1313 pediatric patients included in this study, 874 received crisaborole and 439 received vehicle. ISGA success was defined as clear (0) or almost clear (1) with ≥ 2-grade improvement from baseline. Efficacy and safety were stratified by age group, sex, baseline ISGA, baseline %BSA per published severity strata, and prior AD therapy.ResultsOverall, the proportions of crisaborole-treated and vehicle-treated pediatric patients with ISGA success at week 4 were 32.5 and 21.5%, respectively. ISGA success rates at day 29 (week 4) were generally higher in crisaborole-treated (21.9-38.1%) than vehicle-treated (15.7-26.9%) patients across subgroups. Rates of treatment-related application site pain were 2.4-10.1% for crisaborole-treated patients and 0.6-2.2% for vehicle-treated patients across subgroups. No new safety concerns were noted in any patient subgroup.ConclusionCrisaborole improved global disease severity and was reasonably well tolerated across all pediatric baseline characteristic subgroups. Application site discomfort was greater with crisaborole than with vehicle, but few patients discontinued treatment.ClinicaltrialsGov registration numbersNCT02118766; NCT02118792 (registration date: April 21, 2014).
| S-EPMC8940811 | biostudies-literature
Project description:Background/objectivesCrisaborole ointment, 2%, is a nonsteroidal phosphodiesterase 4 inhibitor for the treatment of mild-to-moderate atopic dermatitis (AD). This pooled post hoc analysis of two phase 3 trials (NCT02118766, NCT02118792) assessed improvement and time to improvement in Investigator's Static Global Assessment (ISGA) and Severity of Pruritus Scale (SPS) outcomes in pediatric patients with mild-to-moderate AD.MethodsPatients aged ?2 years were randomly assigned 2:1 to receive twice-daily crisaborole or vehicle for 28 days. Patients aged 2-17 years were pooled for this analysis. Proportions of patients and time to achieving ISGA success (clear [0] or almost clear [1] with ?2-grade improvement from baseline), ISGA clear/almost clear, ?1-grade improvement in ISGA, SPS success (SPS score ?1 with ?1-grade improvement), or ?1-grade improvement in SPS score were analyzed and stratified by baseline ISGA.ResultsAt first postbaseline assessment (day 8), significantly higher proportions of crisaborole- than vehicle-treated patients achieved ISGA success, ISGA clear/almost clear, ?1-grade ISGA improvement, SPS success, or ?1-grade improvement in SPS regardless of baseline ISGA. Differences were significantly greater over time for all outcomes for patients with moderate baseline ISGA and numerically greater for those with mild baseline ISGA. Median times to ISGA and SPS outcomes were shorter for crisaborole versus vehicle.ConclusionImprovement in ISGA and SPS outcomes were observed with crisaborole in pediatric patients with mild-to-moderate baseline AD.
| S-EPMC7756882 | biostudies-literature
Project description:BackgroundTopical treatments for atopic dermatitis (AD) used reactively often fail to achieve lasting disease control; many of these therapies are associated with safety concerns that limit long-term use. Crisaborole ointment, 2%, is a nonsteroidal phosphodiesterase 4 inhibitor for the treatment of mild-to-moderate AD that has potential as a long-term maintenance therapy.ObjectiveThe aim was to evaluate the long-term efficacy and safety of crisaborole once daily (QD) compared to vehicle QD as a maintenance therapy to reduce the incidence of flares in patients with AD who previously responded to crisaborole twice daily (BID).MethodsCrisADe CONTROL was a randomized, double-blind, vehicle-controlled, 52-week, phase III study of patients aged ≥ 3 months with mild-to-moderate AD involving ≥ 5% treatable body surface area. Eligible patients received crisaborole BID during an open-label run-in period of up to 8 weeks. Responders were randomly assigned in the double-blind maintenance period to receive either crisaborole QD or vehicle QD. Responders were defined as patients who achieved Investigator's Static Global Assessment (ISGA) success (ISGA score of 0 [clear] or 1 [almost clear] with a ≥ 2-grade improvement) and ≥ 50% improvement in Eczema Area and Severity Index total score (EASI-50) from baseline. Patients who experienced a flare (ISGA score ≥ 2) during the double-blind maintenance period switched to crisaborole BID for up to 12 weeks. During this period, patients were assessed every 4 weeks; if the flare resolved (ISGA score ≤ 1), patients resumed their assigned treatment. The primary endpoint was flare-free maintenance until onset of the first flare. Key secondary endpoints were number of flare-free days, number of flares, and maintenance of pruritus response until onset of the first flare. The incidence of treatment-emergent adverse events was also analyzed.ResultsOverall, 497 patients entered the open-label run-in period with crisaborole BID, of which 270 patients were randomized into the 52-week double-blind maintenance period of the study. Of the 270 patients, 135 were randomly assigned to the crisaborole QD group and 135 were randomly assigned to the vehicle QD group. Median time of flare-free maintenance was longer for patients who received crisaborole versus vehicle (111 vs 30 days, respectively; p = 0.0034). The mean number of flare-free days was higher for patients who received crisaborole versus vehicle (234.0 vs 199.4 days, respectively; p = 0.0346). The mean number of flares was lower for patients who received crisaborole versus vehicle (0.95 vs 1.36, respectively; p = 0.0042). No clear trend was observed in maintenance of pruritus response between crisaborole- and vehicle-treated patients. Crisaborole was well tolerated, with no new or unexpected safety findings when used as maintenance treatment.ConclusionsCrisaborole QD was effective and well tolerated for long-term maintenance treatment and flare reduction in adult and pediatric patients with mild-to-moderate AD.Trial registrationClinicalTrials.gov, NCT04040192, 31 July 2019.
| S-EPMC10184626 | biostudies-literature
Project description:IntroductionThere is a need to compare efficacy and safety profiles of crisaborole ointment, 2%, versus other topical treatments across randomized clinical trials (RCTs). We performed this review/network meta-analysis to evaluate the comparative efficacy and safety of crisaborole versus other topical pharmacologic therapies for mild-to-moderate atopic dermatitis (AD) among patients aged ≥ 2 years.MethodsSearches were conducted in MEDLINE, Embase, the Cochrane Collection Central Register of Clinical Trials, and the Database of Abstracts of Reviews of Effects using Ovid to identify English language articles reporting RCTs of topical anti-inflammatory agents in patients aged ≥ 2 years with mild-to-moderate AD published between inception and 10 March 2020. This review used a prespecified protocol with eligibility criteria for population, interventions, comparisons, outcomes, and study design. Efficacy was evaluated using the Investigator's Static Global Assessment (ISGA) of clear (0) or almost clear (1) and expressed by hazard ratios (HR) with 95% credible intervals.ResultsPatients treated with crisaborole or tacrolimus ointment, 0.1% or 0.03%, versus vehicle alone were significantly more likely to achieve ISGA 0/1 at 28-42 days, with the greatest point estimate observed for the crisaborole comparison (hazard ratio: 2.07; 95% credible interval 1.76 to - 2.36; probability HR above 1 [p better]: 100.0%). Patients were also more likely to achieve ISGA 0/1 with crisaborole than with pimecrolimus cream, 1% (HR: 1.62; 95% credible interval 1.04-2.48; p better: 98.3%). While network meta-analysis for safety was not feasible because of data limitations, crisaborole pivotal studies (AD-301/AD-302) showed crisaborole was well tolerated.ConclusionsCrisaborole was shown to be superior to vehicle and pimecrolimus and comparable to tacrolimus, 0.1% or 0.03%, with respect to ISGA 0/1 at 28-42 days in patients aged ≥ 2 years with mild-to-moderate AD. This evaluation of comparative efficacy of crisaborole further supports use of crisaborole as an effective therapeutic option in this population.
| S-EPMC7367970 | biostudies-literature
Project description:IntroductionAtopic dermatitis (AD) is a chronic inflammatory skin disease often requiring long-term treatment. Crisaborole significantly improved global AD signs and symptoms in 28-day phase 3 studies of patients aged ≥ 2 years with mild-to-moderate AD (Investigator's Static Global Assessment [ISGA] 2 or 3). A post hoc analysis of a long-term, open-label extension study was conducted to assess efficacy and safety trends of crisaborole in patients stratified by the number of initial consecutive crisaborole treatment cycles, defined as the number of treatment cycles completed before achievement of ISGA 0 (clear)/1 (almost clear).MethodsPatients completing phase 3 studies without drug-related safety issues that precluded further crisaborole treatment were analyzed. Patients with ISGA 0/1 at baseline (the end of a 28-day cycle) did not receive crisaborole for the next 28-day cycle (off-treatment), whereas patients with ISGA ≥ 2 received crisaborole for the next 28-day cycle (on-treatment). Patients were stratified by number of initial consecutive crisaborole treatment cycles. Efficacy was assessed by achievement and maintenance of ISGA 0/1, and safety was assessed by incidence of treatment-emergent adverse events (TEAEs) and treatment-related AEs (TRAEs).ResultsOverall, 418 patients were included in exclusive cohorts based on number of consecutive on-treatment cycles (1 on-treatment cycle, n = 133; 2 consecutive on-treatment cycles, n = 106; 3 consecutive on-treatment cycles, n = 106; 4 consecutive on-treatment cycles, n = 73). After one to four initial consecutive on-treatment cycles, 77.6, 76.3, 59.4, and 43.1% of patients, respectively, achieved ISGA 0/1. Of these patients, 49.5, 37.8, 44.4, and 45.2%, respectively, maintained ISGA 0/1 at the end of a 28-day cycle off-treatment. Incidence of TRAEs was 4.5, 4.7, 3.8, and 1.4% for patients receiving one to four consecutive on-treatment cycles, respectively. One patient discontinued because of AEs.ConclusionThese results support the efficacious and safe continuous, long-term use of crisaborole for the management of mild-to-moderate AD.Trial registrationClinicalTrials.gov: NCT02118766, NCT02118792.
| S-EPMC8484488 | biostudies-literature
Project description:BackgroundAtopic dermatitis is highly prevalent in black/African American, Asian, and Hispanic patients, making assessment of these populations in clinical trials important. Crisaborole ointment, 2%, is a nonsteroidal phosphodiesterase 4 inhibitor for the treatment of mild-to-moderate atopic dermatitis. In two pivotal phase III clinical trials in patients aged ≥ 2 years, crisaborole was superior to vehicle in reducing global disease severity. The most common treatment-related adverse event was application site pain.ObjectiveThe objective of this study was to investigate the efficacy and safety of crisaborole according to patient race and ethnicity.MethodsA pooled post hoc analysis by race and ethnicity of the two pivotal trials and a safety extension trial was performed. Race included white or nonwhite (encompassing Asian/native Hawaiian/other Pacific Islander, black/African American, and other/American Indian/Alaskan native); ethnicity included Hispanic/Latino or not Hispanic/Latino.ResultsIn white, nonwhite, Hispanic/Latino, and not Hispanic/Latino groups at day 29, more crisaborole- than vehicle-treated patients achieved improvements in global disease severity [Investigator's Static Global Assessment of clear/almost clear with a ≥ 2-grade improvement (white: 33.5% vs. 22.3%, nominal p < 0.001; nonwhite: 30.0% vs. 21.3%, nominal p < 0.05; Hispanic/Latino: 35.4% vs. 18.2%, nominal p < 0.01; not Hispanic/Latino: 31.3% vs. 22.8%, nominal p < 0.01)]. Crisaborole treatment also improved atopic dermatitis signs/symptoms and quality of life. Frequency of crisaborole-related adverse events was 7.1-8.5% in the pivotal trials.ConclusionAcross races and ethnicities, crisaborole demonstrated efficacy for the treatment of mild-to-moderate atopic dermatitis, with a low frequency of treatment-related adverse events.
| S-EPMC6764931 | biostudies-literature
Project description:IntroductionCrisaborole topical ointment, 2%, is a nonsteroidal, topical anti-inflammatory phosphodiesterase-4 (PDE4) inhibitor that is approved for the treatment of mild-to-moderate atopic dermatitis (AD). The objective of the current analysis was to compare the efficacy of crisaborole 2% relative to pimecrolimus 1%, tacrolimus 0.03% and tacrolimus 0.1% in patients aged ≥ 2 years with mild-to-moderate AD by comparing improvement in Investigator's Static Global Assessment scores ( (ISGA scores of 0/1 indicating "clear or almost clear"). ISGA was selected as the primary efficacy outcome given the US Food and Drug Administration's recommendations on the use of ISGA for assessment of global severity in AD and to align with efficacy measurements in the crisaborole registration trials. Safety endpoints could not be analyzed due to differences in outcome definitions across studies.MethodsEfficacy of crisaborole was evaluated using individual patient data (IPD) from two pivotal phase III randomized controlled trials (RCTs), and efficacy of comparators was evaluated using published RCTs included in a previous network meta-analysis. Vehicle controls were not comparable due to differences in ingredients and population imbalance and, therefore, an unanchored matching-adjusted indirect comparison (MAIC) was used, which reweighted IPD for crisaborole to estimate absolute response in comparator populations.ResultsThe odds of achieving an improvement in ISGA score was higher with crisaborole 2% versus pimecrolimus 1% (odds ratio [OR] 2.03; 95% confidence interval [CI] 1.45-2.85; effective sample size = 627, reduced from 1021; p value < 0.001) and for crisaborole 2% versus tacrolimus 0.03% (OR 1.50; 95% CI 1.09-2.05; effective sample size = 311, reduced from 1021; p = 0.012).ConclusionThe unanchored MAIC suggests that the odds of achieving an improvement in ISGA score is greater with crisaborole 2% than with pimecrolimus 1% or tacrolimus 0.03% in patients aged ≥ 2 years with mild-to-moderate AD. These results are consistent with findings from the previously published network meta-analysis, which used a different methodology for performing indirect treatment comparisons.
| S-EPMC8776944 | biostudies-literature
Project description:Objective: To review the efficacy and safety of crisaborole and its place in therapy for the management of mild to moderate atopic dermatitis (AD). Data Sources: A literature search of PubMed (data inception to February 2019) was performed using the search terms crisaborole and atopic dermatitis. Supplementary sources included the Journal of the American Academy of Dermatology Guidelines of Care for the Management of Atopic Dermatitis, clinicaltrials.gov data, manufacturer prescribing information, and article bibliographies. Study Selection and Data Extraction: Relevant English-language studies and those conducted in humans were considered and reviewed. Abstracts from clinical trials and drug reviews were reviewed. Phases I, II, III, and long-term safety studies were included. Data Synthesis: Data from multiple clinical trials have demonstrated the effectiveness and safety of crisaborole topical ointment. Patients treated with crisaborole experienced improvement in AD symptoms based on improvement in the Investigator’s Static Global Assessment and the AD Severity Index scores. Crisaborole has a limited adverse event profile and low systemic absorption. Relevance to Patient Care and Clinical Practice: Crisaborole is the first topical phosphodiesterase 4 inhibitor indicated for the treatment of mild to moderate AD. Its place in therapy is along with topical calcineurin inhibitors as a second-line option for patients who are recalcitrant to or unable to use topical corticosteroids. Conclusions: Crisaborole is a safe and efficacious second-line option for the treatment of mild to moderate AD in patients 2 years of age and older.
| S-EPMC6600556 | biostudies-literature