Dataset Information

Clinical and Economic Burden of Pediatric Mild-to-Moderate Atopic Dermatitis: A Population-Based Nested Case-Control Study in Sweden.

ABSTRACT:

Introduction

Atopic dermatitis (AD) is a chronic, relapsing inflammatory skin condition characterized by pruritic, eczematous lesions. Recent evidence suggests that AD may be a systemic disorder, implying that management of this disease extends beyond merely controlling symptoms associated with AD. Even though this disease is highly prevalent in children and patients typically present with mild-to-moderate symptoms, the disease burden is not well established.

Methods

A large, retrospective cohort study of Swedish population data was conducted to compare the clinical burden in terms of healthcare resource use and direct medical costs for pediatric mild-to-moderate (pM2M) AD patients (??14 years of age, N?=?87,721) with matched controls. The burden of a severe AD cohort was also evaluated. Severity of AD was defined by treatment usage and systemic treatment was used as a proxy for severe AD. A robust approach was used by including any type of secondary care visits known to be more common in AD patients than in the general population; however, data for primary care visits were not available.

Results

For healthcare resource use, the incidence rate ratio (pM2M AD versus reference cohort) of secondary care visits ranged from 1.56 to 2.35 during each of 5 years after AD onset (all p?ConclusionsThis study shows significant clinical and economic burden of pM2M AD with important secondary care resource utilization, suggesting a need for further research to increase treatment options and improve the management of these patients.

SUBMITTER: Ortsater G

PROVIDER: S-EPMC7859158 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature

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Publications

Clinical and Economic Burden of Pediatric Mild-to-Moderate Atopic Dermatitis: A Population-Based Nested Case-Control Study in Sweden.

Ortsäter Gustaf G Geale Kirk K Dun Alexander Rieem AR Cappelleri Joseph C JC Cha Amy A Romero William W Henrohn Dan D Neregard Petra P Neary Maureen P MP

Dermatology and therapy 20201218 1

<h4>Introduction</h4>Atopic dermatitis (AD) is a chronic, relapsing inflammatory skin condition characterized by pruritic, eczematous lesions. Recent evidence suggests that AD may be a systemic disorder, implying that management of this disease extends beyond merely controlling symptoms associated with AD. Even though this disease is highly prevalent in children and patients typically present with mild-to-moderate symptoms, the disease burden is not well established.<h4>Methods</h4>A large, retr ...[more]

PMID: 33337521

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Project description:IntroductionThe burden of mild-to-moderate atopic dermatitis (AD) in the United Kingdom (UK) is not well understood. Long-lasting AD flares may lead to systemic inflammation resulting in reversible progression from mild to more severe AD. This study aimed to assess the clinical and economic burden of mild-to-moderate AD in the UK.MethodsAD patients were identified in the Health Improvement Network (THIN) from 2013 to 2017 and propensity score matched to non-AD controls by demographics. Patients were identified based on continuous disease activity using validated algorithms and sufficient patient status to fully validate data integrity for the entire period. Mild-to-moderate AD patients were identified by using treatment as a surrogate. Demographics, clinical characteristics and healthcare resource use (HCRU) were obtained from THIN. Literature reviews were conducted to obtain additional outcomes. A cost-of-illness model was developed to extrapolate the burden in 2017 to the UK population and in subsequent years (2018-2022).ResultsIn 2017, the prevalence of mild-to-moderate AD in THIN was 1.28%. These patients reported higher comorbidity rates and significantly higher (p < 0.0001) HCRU, encompassing mean general practitioner visits (5.57 versus 3.59), AD-related prescriptions (5.85 versus 0.68) and total referrals (0.97 versus 0.82) versus matched non-AD controls. The model projected total HCRU and drug excess costs of €462.99M over the 5 years. The excess cost decreased to €417.35M after excluding patients on very potent topical corticosteroids, who most likely had at least moderate disease. The excess costs increased to €1.21B and €7.06B when considering comorbidity burden and productivity losses, respectively.ConclusionMild-to-moderate AD patients had higher comorbidity burden, HCRU and cost compared with matched non-AD controls. Overall, UK country-based economic burden was high given partly the high prevalence of this disease. Moreover, productivity burden and comorbidities had considerable impact on the economic burden, which further suggests the importance of optimal disease management.

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:BACKGROUND:Atopic dermatitis (AD) is associated with itch, skin inflammation and barrier disruption, and scratching, all of which may be associated with skin pain. OBJECTIVE:To characterize the patient burden of skin pain in AD. METHODS:We performed a prospective dermatology practice-based study using questionnaires and evaluation by a dermatologist. RESULTS:Overall, 305 patients (age range, 13-97 years) were included in the study, with 564 encounters. The cohort included 195 females (63.9%) and 193 whites (63.7%). The mean (SD) age at enrollment was 42.3 (18.1) years, and the mean (SD) age of patient-reported AD onset was 29.6 (31.9) years. At baseline, 144 patients (42.7%) reported skin pain in the past week, with 42 (13.8%) reporting severe or very severe pain. Twenty-four (16.8%) thought the skin pain was part of their itch, 16 (11.2%) from scratching, and 77 (72.0%) from both. Patients with skin pain were more likely to describe their itch using terms that resembled neuropathic pain. Prevalence of skin pain was increased in patients with vs without excoriations (72.6% vs 57.6%; ?2 test P?=?.02) but not other morphologic characteristics. Skin pain severity was most strongly correlated with the Patient-Oriented Eczema Measure (Spearman ??=?0.54), followed by ItchyQOL (??=?0.52), 5-dimensions of itch scale (??=?0.47), Dermatology Life Quality Index (??=?0.45), numeric rating scale for itch (??=?0.43) and sleep (??=?0.36), Patient Health Questionnaire 9 (??=?0.36), patient-reported global AD severity (??=?0.34), Eczema Area and Severity Index (??=?0.23), and objective Scoring AD index (??=?0.20) (P?<?.001 for all). Patients with both severe itch and pain vs those with only one or neither symptom being severe had significant increases in all these measures. CONCLUSION:Skin pain is a common and burdensome symptom in AD. Skin pain severity should be assessed with itch severity in AD patients and may be an important end point for monitoring treatment response.

Dataset Information

Clinical and Economic Burden of Pediatric Mild-to-Moderate Atopic Dermatitis: A Population-Based Nested Case-Control Study in Sweden.

Introduction

Methods

Results

Publications

Clinical and Economic Burden of Pediatric Mild-to-Moderate Atopic Dermatitis: A Population-Based Nested Case-Control Study in Sweden.

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