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Ghezzi G, Costanzo A, Borroni RG. Health-Related Quality of Life in Psoriasis: Literature Review. J Clin Med 2024; 13:4623. [PMID: 39200764 PMCID: PMC11354811 DOI: 10.3390/jcm13164623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2024] [Revised: 08/03/2024] [Accepted: 08/05/2024] [Indexed: 09/02/2024] Open
Abstract
The assessment of quality of life (QoL) in patients with psoriasis plays a crucial role in understanding the impact of the disease and evaluating treatment outcomes. We provide an overview of the key measures used to assess QoL in psoriasis patients, including both generic and psoriasis-specific instruments. The limitations and strengths of instruments such as the Dermatology Life Quality Index (DLQI), Skindex, and Psoriasis Disability Index (PDI) are discussed, highlighting their psychometric properties and areas for improvement. Furthermore, this review examines the potential of disease-specific QoL measures in providing greater sensitivity to disease-related burden and change compared to generic instruments. However, most of the available psoriasis-specific patient-reported outcome measures need further validation. We aim to provide valuable insights into the importance of using validated QoL measures in clinical practice and research, ultimately contributing to a more comprehensive assessment of the impact of psoriasis on patients' lives and enhancing the evaluation of treatment interventions.
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Affiliation(s)
- Gioele Ghezzi
- Humanitas University, 20072 Pieve Emanuele, MI, Italy;
- Dermatology Unit, Humanitas Research Hospital—IRCCS, 20089 Rozzano, MI, Italy;
| | - Antonio Costanzo
- Dermatology Unit, Humanitas Research Hospital—IRCCS, 20089 Rozzano, MI, Italy;
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, MI, Italy
| | - Riccardo G. Borroni
- Dermatology Unit, Humanitas Research Hospital—IRCCS, 20089 Rozzano, MI, Italy;
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, MI, Italy
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Zou Q, Luo Y, Hao D, Li M, Jihui C. Validation and application of the Dermatology Life Quality Index score, a modification of the DLQI score, in psoriasis patients. JOURNAL OF HEALTH, POPULATION, AND NUTRITION 2024; 43:92. [PMID: 38909238 PMCID: PMC11193232 DOI: 10.1186/s41043-024-00587-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 06/14/2024] [Indexed: 06/24/2024]
Abstract
BACKGROUND All the scoring methods for the DLQI miss the moderate impact of the disease on patients, which may underestimate the impact of psoriasis on patients' quality of life. To improve the accuracy of the assessment of the Dermatology Life Quality Index score (DLQI) for patients with psoriasis, this study proposed and validated a new scoring method, the DLQI-NS, which includes the moderate impact option in the self-assessment of each item in psoriasis patients. METHODS A cross-sectional study was conducted in which patients with psoriasis were enrolled. A total of 425 participants completed the DLQI, DLQI-NS and Skindex-16 questionnaires. Reliability, validity, ceiling and floor effects were evaluated of both DLQI and DLQI-NS questionnaires. RESULTS About 14.4-32.5% of the patients reported a moderate impact on quality of life. The DLQI-NS allowed 17 more patients (4.0%) to achieve severe disease. The Cronbach's alpha coefficient of the DLQI-NS was 0.90, and that of the DLQI was 0.89. The KMO test results for the DLQI-NS and DLQI were 0.927 and 0.916, respectively. One factor was identified for each questionnaire. The items of the DLQI-NS showed an item-total correlation from 0.52 to 0.82, and the DLQI questionnaire's item-total correlation ranged from 0.47 to 0.83. The DLQI-NS, DLQI total score and Skindex-16 had Spearman's rank correlation coefficients of 0.89 and 0.84, respectively. Both the DLQI-NS and DLQI showed significant moderate correlations with the BSA (0.51 vs. 0.50) and PASI (0.47 vs. 0.46). No ceiling effects were observed for any of the items of both questionnaires. CONCLUSION The validity and reliability of the DLQI-NS and DLQI were good, but the DLQI-NS was superior to the DLQI. The DLQI-NS is an effective self-assessment tool for assessing quality of life in psoriasis patients.
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Affiliation(s)
- Qin Zou
- Department of Dermatology, West China Hospital of Sichuan University, No.37 Guoxue Alley, Wuhou District, Chengdu City, Sichuan Province, 610041, PR China.
- West China School of Nursing, Sichuan University, No.37 Guoxue Alley, Wuhou District, Chengdu City, Sichuan Province, 610041, PR China.
| | - Yibo Luo
- Department of Dermatology, West China Hospital of Sichuan University, No.37 Guoxue Alley, Wuhou District, Chengdu City, Sichuan Province, 610041, PR China.
- West China School of Nursing, Sichuan University, No.37 Guoxue Alley, Wuhou District, Chengdu City, Sichuan Province, 610041, PR China.
| | - Dan Hao
- Department of Dermatology, West China Hospital of Sichuan University, No.37 Guoxue Alley, Wuhou District, Chengdu City, Sichuan Province, 610041, PR China
| | - Mengmeng Li
- Department of Dermatology, West China Hospital of Sichuan University, No.37 Guoxue Alley, Wuhou District, Chengdu City, Sichuan Province, 610041, PR China
| | - Chen Jihui
- Department of Dermatology, West China Hospital of Sichuan University, No.37 Guoxue Alley, Wuhou District, Chengdu City, Sichuan Province, 610041, PR China
- West China School of Nursing, Sichuan University, No.37 Guoxue Alley, Wuhou District, Chengdu City, Sichuan Province, 610041, PR China
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Vyas J, Johns JR, Ali FM, Singh RK, Ingram JR, Salek S, Finlay AY. A systematic review of 454 randomized controlled trials using the Dermatology Life Quality Index: experience in 69 diseases and 43 countries. Br J Dermatol 2024; 190:315-339. [PMID: 36971254 DOI: 10.1093/bjd/ljad079] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 01/31/2023] [Accepted: 03/14/2023] [Indexed: 02/18/2024]
Abstract
BACKGROUND Over 29 years of clinical application, the Dermatology Life Quality Index (DLQI) has remained the most used patient-reported outcome (PRO) in dermatology due to its robustness, simplicity and ease of use. OBJECTIVES To generate further evidence of the DLQI's utility in randomized controlled trials (RCTs) and to cover all diseases and interventions. METHODS The methodology followed PRISMA guidelines and included seven bibliographical databases, searching articles published from 1 January 1994 until 16 November 2021. Articles were reviewed independently by two assessors, and an adjudicator resolved any opinion differences. RESULTS Of 3220 screened publications, 454 articles meeting the eligibility criteria for inclusion, describing research on 198 190 patients, were analysed. DLQI scores were primary endpoints in 24 (5.3%) of studies. Most studies were of psoriasis (54.1%), although 69 different diseases were studied. Most study drugs were systemic (85.1%), with biologics comprising 55.9% of all pharmacological interventions. Topical treatments comprised 17.0% of total pharmacological interventions. Nonpharmacological interventions, mainly laser therapy and ultraviolet radiation treatment, comprised 12.2% of the total number of interventions. The majority of studies (63.7%) were multicentric, with trials conducted in at least 42 different countries; 40.2% were conducted in multiple countries. The minimal clinically importance difference (MCID) was reported in the analysis of 15.0% of studies, but only 1.3% considered full score meaning banding of the DLQI. Forty-seven (10.4%) of the studies investigated statistical correlation of the DLQI with clinical severity assessment or other PRO/quality of life tools; and 61-86% of studies had within-group scores differences greater than the MCID in 'active treatment arms'. The Jadad risk-of-bias scale showed that bias was generally low, as 91.8% of the studies had Jadad scores of ≥ 3; only 0.4% of studies showed a high risk of bias from randomization. Thirteen per cent had a high risk of bias from blinding and 10.1% had a high risk of bias from unknown outcomes of all participants in the studies. In 18.5% of the studies the authors declared that they followed an intention-to-treat protocol; imputation for missing DLQI data was used in 34.4% of studies. CONCLUSIONS This systematic review provides a wealth of evidence of the use of the DLQI in clinical trials to inform researchers' and -clinicians' decisions for its further use. Recommendations are also made for improving the reporting of data from future RCTs using the DLQI.
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Affiliation(s)
| | - Jeffrey R Johns
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Faraz M Ali
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Ravinder K Singh
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - John R Ingram
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Sam Salek
- School of Life and Medical Sciences, University of Hertfordshire, Hatfield, UK
| | - Andrew Y Finlay
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
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Bagel J, Gold LS, Del Rosso J, Johnson S, Yamauchi P, Brown PM, Bhatia N, Moore AY, Tallman AM. Tapinarof cream 1% once daily for the treatment of plaque psoriasis: Patient-reported outcomes from the PSOARING 3 trial. J Am Acad Dermatol 2023; 89:936-944. [PMID: 37172733 DOI: 10.1016/j.jaad.2023.04.061] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 03/22/2023] [Accepted: 04/18/2023] [Indexed: 05/15/2023]
Abstract
BACKGROUND Tapinarof cream 1% once daily demonstrated significant efficacy versus vehicle and was well tolerated in two 12-week, phase 3 pivotal trials in adults with mild-to-severe plaque psoriasis. OBJECTIVE To assess long-term, health-related quality of life and patient satisfaction with tapinarof. METHODS Patients completing the 12-week trials were eligible for 40 weeks of open-label tapinarof based on Physician Global Assessment score in PSOARING 3, with a 4-week follow-up. Dermatology Life Quality Index was assessed at every visit; Patient Satisfaction Questionnaire responses were assessed at week 40 or early termination. RESULTS Seven hundred sixty-three (91.6%) eligible patients enrolled; 78.5% completed the Patient Satisfaction Questionnaire. DLQI scores improved and were maintained. By week 40, 68.0% of patients had a DLQI of 0 or 1, indicating no impact of psoriasis on health-related quality of life. Most patients strongly agreed or agreed with all Patient Satisfaction Questionnaire questions assessing confidence in tapinarof and satisfaction with efficacy (62.9%-85.8%), application ease and cosmetic elegance (79.9%-96.3%), and preference for tapinarof versus prior psoriasis therapies (55.3%-81.7%). LIMITATIONS Open-label; no control; may not be generalizable to all forms of psoriasis. CONCLUSIONS Continued and durable improvements in health-related quality of life, high rates of patient satisfaction, and positive perceptions of tapinarof cream were demonstrated.
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Affiliation(s)
- Jerry Bagel
- Psoriasis Treatment Center of New Jersey, East Windsor, New Jersey.
| | - Linda Stein Gold
- Department of Dermatology, Henry Ford Health System, Detroit, Michigan
| | - James Del Rosso
- JDR Dermatology Research/Thomas Dermatology, Las Vegas, Nevada
| | | | - Paul Yamauchi
- Dermatology Institute & Skin Care Center, Santa Monica, California
| | | | - Neal Bhatia
- Therapeutics Clinical Research, San Diego, California
| | - Angela Yen Moore
- Arlington Center for Dermatology, Arlington Research Center, Arlington, Texas; Baylor University Medical Center, Dallas, Texas
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Guavita Falla PM, Castro Ayarza JR, Cortés Correa C, Peñaranda Contreras E. [Translated article] Evaluation of Dermatology Life Quality Index (DLQI) Scores in Patients With Psoriasis: A Cross-sectional and Correlation Study Over a 6-Year Period. ACTAS DERMO-SIFILIOGRAFICAS 2023; 114:T282-T284. [PMID: 36717069 DOI: 10.1016/j.ad.2022.05.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 04/25/2022] [Accepted: 05/23/2022] [Indexed: 01/29/2023] Open
Affiliation(s)
- P M Guavita Falla
- Programa de Dermatología, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, Colombia; Servicio de Dermatología, Hospital Universitario de La Samaritana, Bogotá, Colombia.
| | - J R Castro Ayarza
- Programa de Dermatología, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, Colombia; Grupo Colombiano de Psoriasis e Inmunodermatología - COLPSOR
| | - C Cortés Correa
- Programa de Dermatología, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, Colombia; Servicio de Dermatología, Hospital Universitario de La Samaritana, Bogotá, Colombia; Grupo Colombiano de Psoriasis e Inmunodermatología - COLPSOR
| | - E Peñaranda Contreras
- Programa de Dermatología, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, Colombia; Servicio de Dermatología, Hospital Universitario de La Samaritana, Bogotá, Colombia; Grupo Colombiano de Psoriasis e Inmunodermatología - COLPSOR
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6
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Guavita Falla PM, Castro Ayarza JR, Cortés Correa C, Peñaranda Contreras E. Evaluation of Dermatology Life Quality Index (DLQI) Scores in Patients With Psoriasis: a cross-sectional and correlation study over a 6-year period. ACTAS DERMO-SIFILIOGRAFICAS 2023; 114:282-284. [PMID: 36309045 DOI: 10.1016/j.ad.2022.05.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 04/25/2022] [Accepted: 05/23/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- P M Guavita Falla
- Programa de Dermatología, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, Colombia; Servicio de Dermatología, Hospital Universitario de La Samaritana, Bogotá, Colombia.
| | - J R Castro Ayarza
- Programa de Dermatología, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, Colombia; Grupo Colombiano de Psoriasis e Inmunodermatología - COLPSOR
| | - C Cortés Correa
- Programa de Dermatología, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, Colombia; Servicio de Dermatología, Hospital Universitario de La Samaritana, Bogotá, Colombia; Grupo Colombiano de Psoriasis e Inmunodermatología - COLPSOR
| | - E Peñaranda Contreras
- Programa de Dermatología, Facultad de Medicina, Universidad Nacional de Colombia, Bogotá, Colombia; Servicio de Dermatología, Hospital Universitario de La Samaritana, Bogotá, Colombia; Grupo Colombiano de Psoriasis e Inmunodermatología - COLPSOR
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7
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Burden AD, Choon SE, Gottlieb AB, Navarini AA, Warren RB. Clinical Disease Measures in Generalized Pustular Psoriasis. Am J Clin Dermatol 2022; 23:39-50. [PMID: 35061231 PMCID: PMC8801406 DOI: 10.1007/s40257-021-00653-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/27/2021] [Indexed: 11/30/2022]
Abstract
Generalized pustular psoriasis (GPP) is a rare neutrophilic skin condition characterized by episodes of widespread eruption of sterile macroscopic pustules that can be associated with systemic inflammation. The rarity of GPP and its heterogeneous cutaneous and extracutaneous symptoms pose considerable challenges to the development and adoption of comprehensive accurate disease measures for the routine clinical assessment of disease severity and the evaluation of new treatments in clinical trials. Psoriasis disease measures remain among the most commonly used methods for evaluating patients with GPP, despite their limitations owing to a lack of assessment of pustules (a hallmark of GPP), systemic inflammation, and disease symptoms. The adaptation of psoriasis disease measures and the development of assessment tools specific for GPP severity will enable more effective and accurate monitoring of patients with GPP and enhance the clinical development of new therapies. Further clinical validation of recently developed modified assessment tools, such as the Generalized Pustular Psoriasis Physician Global Assessment and the Generalized Pustular Psoriasis Area and Severity Index, and international consensus on using quantitative tools and patient-reported outcome measures in the development of new treatments are needed to advance patient care.
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Affiliation(s)
- A David Burden
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Siew Eng Choon
- Hospital Sultanah Aminah Johor Bahru, Clinical School Johor Bahru, Monash University Malaysia, Johor Bahru, Malaysia
| | | | | | - Richard B Warren
- Dermatology Centre, Salford Royal NHS Foundation Trust, Manchester NIHR Biomedical Research Centre, University of Manchester, Manchester, M6 8HD, UK.
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8
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Costanzo A, Amerio P, Asero R, Chiricozzi A, Corazza M, Cristaudo A, Cusano F, Ferrucci SM, Nettis E, Patrizi A, Patruno C, Peris K, Picozza M, Stingeni L, Girolomoni G. Long-term management of moderate-to-severe adult atopic dermatitis: a consensus by the Italian Society of Dermatology and Venereology (SIDeMaST), the Association of Italian Territorial and Hospital Allergists and Immunologists (AAIITO ), the Italian Association of Hospital Dermatologists (ADOI), the Italian Society of Allergological, Environmental and Occupational Dermatology (SIDAPA), and the Italian Society of Allergy, Asthma and Clinical Immunology (SIAAIC). Ital J Dermatol Venerol 2021; 157:1-12. [PMID: 34929995 DOI: 10.23736/s2784-8671.21.07129-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Atopic dermatitis (AD) is a common chronic-relapsing inflammatory skin disease, burdened by various comorbidities. AD most commonly occurs in children but may persist or present in adulthood becoming a lifelong condition. Therefore, AD requires an effective long-term treatment improving disease signs and symptoms but also of patients' quality of life (QoL). However continuous long-term use of most traditional AD immunosuppressive treatments is not recommended for safety reasons or insufficient efficacy data. Despite the available guidelines, there is still need for knowledge of AD long-term treatment, taking into account new disease measures and recent treatment options. Five Italian scientific societies implemented a joint consensus procedure to define the most appropriate clinical practice for the long-term management of adult moderate-severe AD. Through a modified Delphi procedure, consensus was reached by overall 51 Italian dermatologists and allergists (The Italian AD Study Group) experienced in the management of adult AD on 14 statements covering three AD areas of interest, namely diagnosis, definition of disease severity and clinimetrics, and a treat-to-target approach. This paper reports and discusses the agreed statements, which define disease and patient impact measures, therapeutic approach, and a treatment decision algorithm to support clinicians in the long-term management of adult patients with moderate-to-severe AD in their daily clinical practice.
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Affiliation(s)
- Antonio Costanzo
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy.,Unit of Dermatology, IRCCS Humanitas Clinic, Rozzano, Milan, Italy
| | - Paolo Amerio
- Unit of Dermatology, Department of Medicine and Aging Science, G. D'Annunzio University, Chieti, Chieti-Pescara, Italy
| | - Riccardo Asero
- Department of Allergology, San Carlo Clinic, Paderno Dugnano, Milan, Italy
| | - Andrea Chiricozzi
- Unit of Dermatology, Department of Surgical and Medical Sciences, IRCCS A. Gemelli University Polyclinic Foundation, Rome, Italy.,Unit of Dermatology, Department of Medicine and Translational Surgery, Sacred Heart Catholic University, Rome, Italy
| | - Monica Corazza
- Section of Dermatology, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Antonio Cristaudo
- Department of Dermatology, IRCCS San Gallicano Dermatological Institute, Rome, Italy
| | - Francesco Cusano
- Unit of Dermatology, San Pio Hospital - G. Rummo Hospital, Benevento, Italy
| | - Silvia M Ferrucci
- Section of Dermatology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Eustachio Nettis
- Department of Emergency and Organ Transplantation, School and Chair of Allergology and Clinical Immunology, Aldo Moro University, Bari, Italy
| | - Annalisa Patrizi
- Dermatology of Department of Specialistic, Diagnostic and Experimental Medicine (DIMES), Alma Mater Studiorum, University of Bologna, Bologna, Italy - .,Unit of Dermatology, IRCCS S. Orsola-Malpighi Polyclinic, Bologna, Italy
| | - Cataldo Patruno
- Department of Health Sciences, Magna Grecia University, Catanzaro, Italy
| | - Ketty Peris
- Unit of Dermatology, Department of Surgical and Medical Sciences, IRCCS A. Gemelli University Polyclinic Foundation, Rome, Italy.,Unit of Dermatology, Department of Medicine and Translational Surgery, Sacred Heart Catholic University, Rome, Italy
| | - Mario Picozza
- National Association of Atopic Dermatitis (ANDeA), Prato, Italy
| | - Luca Stingeni
- Section of Dermatology, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Giampiero Girolomoni
- Section of Dermatology, Department of Medicine, University of Verona, Verona, Italy
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Nail Psoriasis and Quality-of-Life Measurement in Clinical Trials: Call for the Use of Nail-Specific Instruments. Am J Clin Dermatol 2021; 22:747-755. [PMID: 34383273 PMCID: PMC8566428 DOI: 10.1007/s40257-021-00622-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/27/2021] [Indexed: 11/03/2022]
Abstract
Nail involvement is frequent in people with psoriasis. It can considerably impair health-related quality of life (HRQoL) beyond the impairments due to other psoriasis symptoms, for example, because patients feel ashamed of visible nail defects or because of the functional impairment in manual activities and walking. In clinical trials on nail psoriasis, it is therefore crucial to assess whether the treatment reduces HRQoL impairments that are specific to nail psoriasis. For this purpose, two validated patient questionnaires are available, the Nail Psoriasis Quality of Life Scale (NPQ10) and the Nail Assessment in Psoriasis and Psoriatic Arthritis-Quality of Life (NAPPA-QOL). The ten-item NPQ10 has the advantage of being short and thus quick to administer. The 20-item NAPPA-QOL, in contrast, assesses the different dimensions of HRQoL which is considered a multi-dimensional construct. Yet most randomized controlled trials on nail psoriasis do not evaluate HRQoL improvement. If they do, a number of different instruments are used, most of which are not nail specific. This makes comparison of trial outcomes difficult. Harmonizing the measurement of HRQoL in future clinical trials on nail psoriasis would improve comparability across studies and would also enhance the reliability of meta-analyses.
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10
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Szabó Á, Brodszky V, Rencz F. A comparative study on the measurement properties of Dermatology Life Quality Index (DLQI), DLQI-Relevant and Skindex-16. Br J Dermatol 2021; 186:485-495. [PMID: 34724199 DOI: 10.1111/bjd.20765] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/24/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND Dermatology Life Quality Index (DLQI) and Skindex-16 are among the most commonly used dermatology-specific health-related quality-of-life (HRQoL) instruments. DLQI has two common scoring methods, the original and the DLQI-Relevant (DLQI-R) modification. Head-to-head comparisons of the measurement properties of the DLQI, DLQI-R and Skindex-16 are currently lacking. OBJECTIVES We aim to compare the measurement properties of the DLQI, DLQI-R and Skindex-16. METHODS We analysed data from 618 patients with self-reported physician-diagnosed dermatological conditions from a cross-sectional survey carried out in Hungary in early 2020. DLQI, DLQI-R and Skindex-16 were compared in terms of ceiling and floor effects, informativity, convergent validity and known-group validity. RESULTS Mean DLQI, DLQI-R and Skindex-16 total scores were 3·76 ± 5·03, 4·11 ± 5·34 and 29·36 ± 26·62, respectively. Among patients with a DLQI/DLQI-R total score of zero, 64% reported problems on Skindex-16. Overall, 23-38% of patients with 'not relevant' responses on DLQI items 3 (shopping/home/gardening), 7 (working/studying), 8 (interpersonal problems) and 9 (sexual difficulties) reported problems on their corresponding Skindex-16 items. Average relative informativity (Shannon's evenness index) was the highest for Skindex-16 (0·85), followed by DLQI-R (0·66) and DLQI (0·54). DLQI, DLQI-R and Skindex-16 demonstrated similar convergent validity. DLQI was able to better discriminate between known groups of patients based on overall skin-related HRQoL impairment, whereas DLQI-R and Skindex-16 performed better with respect to self-perceived health status. CONCLUSIONS Skindex-16 seems to be more sensitive than DLQI/DLQI-R in capturing mild impairment in HRQoL. Our findings help to provide a fuller understanding of the difference between DLQI, DLQI-R and Skindex-16 and support the informed choice of instrument for clinical and research purposes.
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Affiliation(s)
- Á Szabó
- Department of Health Economics, Corvinus University of Budapest, 8 Fővám tér, H-1093, Budapest, Hungary.,Károly Rácz Doctoral School of Clinical Medicine, Semmelweis University, 26 Üllői út, H-1085, Budapest, Hungary
| | - V Brodszky
- Department of Health Economics, Corvinus University of Budapest, 8 Fővám tér, H-1093, Budapest, Hungary
| | - F Rencz
- Department of Health Economics, Corvinus University of Budapest, 8 Fővám tér, H-1093, Budapest, Hungary
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11
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Kirsten N, Rustenbach S, von Kiedrowski R, Sorbe C, Reich K, Augustin M. Which PASI Outcome Is Most Relevant to the Patients in Real-World Care? Life (Basel) 2021; 11:life11111151. [PMID: 34833027 PMCID: PMC8618980 DOI: 10.3390/life11111151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/20/2021] [Accepted: 10/25/2021] [Indexed: 12/19/2022] Open
Abstract
In psoriasis treatment, there is a high need to define meaningful endpoints and differences from the patient perspective to analyze patient-relevant differences of frequently used outcome methods for psoriasis under real-world conditions. A sample of 3116 patients from the German Psoriasis-Registry PsoBest was analyzed for clinical as well as patient-reported outcomes (PRO) after 3- and 6-month treatment. The parameters PASI, DLQI, and PBI were intercorrelated and related to two anchoring variables: (1) patient satisfaction with treatment and (2) perceived complete clearance. Baseline data were as follows: PASI 10.5 ± 9.1, DLQI 12.4 ± 3.4, and PBI 2.7 ± 0.3. There was an almost linear relationship between "complete patient satisfaction" and the relative differences in PASI in the range from PASI 25 to PASI 90. However, there was no additional benefit between PASI 90 and PASI 100. The same finding resulted from the anchoring variable "perception of complete healing". When related to DLQI outcomes, relative PASI changes as well as absolute changes and PASI at 3 and 6 months showed relevant differences between the PASI classes 25 to 90 but not between PASI 90 and PASI 100. Under real-world conditions, changes in PASI and DLQI reflect patient-relevant benefits.
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Affiliation(s)
- Natalia Kirsten
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Martinistraße 52, 20246 Hamburg, Germany; (S.R.); (C.S.); (K.R.); (M.A.)
- Correspondence: ; Tel.: +49-40-7410-55428; Fax: +49-40-7410-55348
| | - Stephan Rustenbach
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Martinistraße 52, 20246 Hamburg, Germany; (S.R.); (C.S.); (K.R.); (M.A.)
| | - Ralph von Kiedrowski
- Dermatology Office and Dermatology Study Center (CMSS) Dr. Ralph von Kiedrowski, Selters/Westerwald, Kirchstraße 1, 56242 Selters, Germany;
| | - Christina Sorbe
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Martinistraße 52, 20246 Hamburg, Germany; (S.R.); (C.S.); (K.R.); (M.A.)
| | - Kristian Reich
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Martinistraße 52, 20246 Hamburg, Germany; (S.R.); (C.S.); (K.R.); (M.A.)
| | - Matthias Augustin
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Martinistraße 52, 20246 Hamburg, Germany; (S.R.); (C.S.); (K.R.); (M.A.)
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12
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Gundogan B, Dowlut N, Rajmohan S, Borrelli MR, Millip M, Iosifidis C, Udeaja YZ, Mathew G, Fowler A, Agha R. Assessing the compliance of systematic review articles published in leading dermatology journals with the PRISMA statement guidelines: A systematic review. JAAD Int 2021; 1:157-174. [PMID: 34409336 PMCID: PMC8361930 DOI: 10.1016/j.jdin.2020.07.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/15/2020] [Indexed: 11/24/2022] Open
Abstract
Background Reporting quality of systematic reviews and meta-analyses is of critical importance in dermatology because of their key role in informing health care decisions. Objective To assess the compliance of systematic reviews and meta-analyses in leading dermatology journals with the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) statement guidelines. Methods This review was carried out in accordance with PRISMA guidelines. Included studies were reviews published across 6 years in the top 4 highest-impact-factor dermatology journals of 2017. Records and full texts were screened independently. Data analysis was conducted with univariate multivariable linear regression. The primary outcome was to assess the compliance of systematic reviews and meta-analyses in leading dermatology journals with the PRISMA statement. Results A total of 166 studies were included and mean PRISMA compliance across all articles was 73%. Compliance significantly improved over time (β = .016; P = <.001). The worst reported checklist item was item 5 (reporting on protocol existence), with a compliance of 15% of articles. Conclusion PRISMA compliance within leading dermatology journals could be improved; however, it is steadily improving.
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Affiliation(s)
- Buket Gundogan
- University College London Hospital, London, United Kingdom
| | - Naeem Dowlut
- Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
| | | | - Mimi R Borrelli
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, California
| | - Mirabel Millip
- Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
| | - Christos Iosifidis
- Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Yagazie Z Udeaja
- Luton and Dunstable University Hospital NHS Foundation Trust, Luton, United Kingdom
| | - Ginimol Mathew
- University College London Medical School, Gower Street, London, United Kingdom
| | | | - Riaz Agha
- Bart's Health NHS Foundation Trust, London, United Kingdom
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13
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Rencz F, Szabó Á, Brodszky V. Questionnaire Modifications and Alternative Scoring Methods of the Dermatology Life Quality Index: A Systematic Review. VALUE IN HEALTH : THE JOURNAL OF THE INTERNATIONAL SOCIETY FOR PHARMACOECONOMICS AND OUTCOMES RESEARCH 2021; 24:1158-1171. [PMID: 34372982 DOI: 10.1016/j.jval.2021.02.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 01/02/2021] [Accepted: 02/16/2021] [Indexed: 06/13/2023]
Abstract
OBJECTIVES Dermatology Life Quality index (DLQI) is the most widely used health-related quality of life questionnaire in dermatology. Little is known about existing questionnaire or scoring modifications of the DLQI. We aimed to systematically review, identify, and categorize all modified questionnaire versions and scoring methods of the DLQI. METHODS We performed a systematic literature search in PubMed, Web of Science, CINAHL, and PsychINFO. Methodologic quality and evidence of psychometric properties were assessed using the Consensus-Based Standards for the Selection of Health Measurement Instruments (COSMIN) and Terwee checklists. RESULTS The included 81 articles reported on 77 studies using 59 DLQI modifications. Modifications were used for a combined sample of 25 509 patients with 47 different diagnoses and symptoms from 28 countries. The most frequently studied diseases were psoriasis, hirsutism, acne, alopecia, and bromhidrosis. The modifications were categorized into the following nonmutually exclusive groups: bolt-ons or bolt-offs (48%), disease, symptom, and body part specifications (42%), changes in existing items (34%), scoring modifications (27%), recall period changes (19%), response scale modifications (15%), and illustrations (3%). The evidence concerning the quality of measurement properties was heterogeneous: 4 of 13 studies were rated positive on internal consistency, 1 of 3 on reliability, 3 of 5 on content validity, 9 of 22 on construct validity, 6 of 6 on criterion validity, and 1 of 1 on responsiveness. CONCLUSION An exceptionally large number of DLQI modifications have been used that may indicate an unmet need for adequate health-related quality of life instruments in dermatology. The psychometric overview of most questionnaire modifications is currently incomplete, and additional efforts are needed for proper validation.
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Affiliation(s)
- Fanni Rencz
- Department of Health Economics, Corvinus University of Budapest, Budapest, Hungary; Hungarian Academy of Sciences, Premium Postdoctoral Research Programme, Budapest, Hungary.
| | - Ákos Szabó
- Department of Health Economics, Corvinus University of Budapest, Budapest, Hungary; Károly Rácz Doctoral School of Clinical Medicine, Semmelweis University, Budapest, Hungary
| | - Valentin Brodszky
- Department of Health Economics, Corvinus University of Budapest, Budapest, Hungary
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14
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Abdelrazik YT, Ali FM, Salek MS, Finlay AY. Clinical experience and psychometric properties of the Cardiff Acne Disability Index (CADI). Br J Dermatol 2021; 185:711-724. [PMID: 33864247 DOI: 10.1111/bjd.20391] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/12/2021] [Indexed: 01/01/2023]
Abstract
The Cardiff Acne Disability Index (CADI) is a questionnaire designed to measure the quality of life of teenagers and young adults with acne. It has been used clinically and within therapeutic research globally. This review aims to appraise all published data regarding the clinical and research experience of the CADI, its psychometric properties and validation, from its publication in 1992 until September 2020, in a single reference source. A literature search was conducted using MEDLINE via Ovid, PubMed, EBSCOhost, Web of Science and Scopus. All full articles in the English language were included. A total of 96 clinical studies were identified and analysed. The CADI has been used in 44 different countries, including four multinational studies, and has validated translations in 25 languages. Overall, 29 therapeutic interventions have used the CADI, demonstrating its responsiveness to change. The reliability of the CADI has been assessed in 14 studies through test-retest and internal consistency studies. In total, 57 studies have demonstrated aspects of its validity through correlation to other measures, and five studies have investigated the dimensionality of the CADI. There is evidence of high internal consistency, test-retest reliability, responsiveness to change and significant correlation with other objective measures. The minimal clinically important difference and validated score meaning bands have not yet been reported. This information is needed to improve the interpretability of CADI scores for clinical use and in research. The authors of the CADI have also rephrased Question 2 of the measure to ensure inclusivity.
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Affiliation(s)
- Y T Abdelrazik
- Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, UK
| | - F M Ali
- Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, UK
| | - M S Salek
- Department of Pharmacy, Pharmacology and Postgraduate Medicine, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, UK
| | - A Y Finlay
- Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, UK
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15
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Capucci S, Hahn-Pedersen J, Vilsbøll A, Kragh N. Impact of Atopic Dermatitis and Chronic Hand Eczema on Quality of Life Compared With Other Chronic Diseases. Dermatitis 2021; 31:178-184. [PMID: 32404625 DOI: 10.1097/der.0000000000000598] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
: The aim of this study was to conduct 3 literature reviews to examine the impact of atopic dermatitis (AD) and chronic hand eczema (CHE) on health-related quality of life (HRQoL) compared with other chronic conditions by comparing reported utility scores of 4 commonly used generic HRQoL instruments. A systematic search was performed using PubMed, ScienceDirect, MEDLINE, EMBASE, Health Technology Assessment database, and ScHARRHUD. Inclusion criteria included, but were not limited to, patients of any age, studies from any location, publications reporting utility data based on EuroQoL 5 dimensions, the EuroQoL 5-dimension Visual Analog Scale, the Short-Form Health Survey, and the Short-Form 6 Dimensions in the English language. Inclusion criteria were met by 16 articles for AD, 25 articles for chronic conditions, and 9 articles for CHE. The findings of this review highlight that the disutility and loss in HRQoL of patients with AD and CHE are similar to or higher than other chronic conditions, such as cancer or hepatitis.
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Affiliation(s)
- Silvia Capucci
- From the SDA Bocconi School of Management, Bocconi University, Milan, Italy
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16
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Rencz F, Mitev AZ, Szabó Á, Beretzky Z, Poór AK, Holló P, Wikonkál N, Sárdy M, Kárpáti S, Szegedi A, Remenyik É, Brodszky V. A Rasch model analysis of two interpretations of 'not relevant' responses on the Dermatology Life Quality Index (DLQI). Qual Life Res 2021; 30:2375-2386. [PMID: 33683650 PMCID: PMC8298357 DOI: 10.1007/s11136-021-02803-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/16/2021] [Indexed: 01/28/2023]
Abstract
PURPOSE Eight of the ten items of the Dermatology Life Quality Index (DLQI) have a 'not relevant' response (NRR) option. There are two possible ways to interpret NRRs: they may be considered 'not at all' or missing responses. We aim to compare the measurement performance of the DLQI in psoriasis patients when NRRs are scored as '0' (hereafter zero-scoring) and 'missing' (hereafter missing-scoring) using Rasch model analysis. METHODS Data of 425 patients with psoriasis from two earlier cross-sectional surveys were re-analysed. All patients completed the paper-based Hungarian version of the DLQI. A partial credit model was applied. The following model assumptions and measurement properties were tested: dimensionality, item fit, person reliability, order of response options and differential item functioning (DIF). RESULTS Principal component analysis of the residuals of the Rasch model confirmed the unidimensional structure of the DLQI. Person separation reliability indices were similar with zero-scoring (0.910) and missing-scoring (0.914) NRRs. With zero-scoring, items 6 (sport), 7 (working/studying) and 9 (sexual difficulties) suffered from item misfit and item-level disordering. With missing-scoring, no misfit was observed and only item 7 was illogically ordered. Six and three items showed DIF for gender and age, respectively, that were reduced to four and three by missing-scoring. CONCLUSIONS Missing-scoring NRRs resulted in an improved measurement performance of the scale. DLQI scores of patients with at least one vs. no NRRs cannot be directly compared. Our findings provide further empirical support to the DLQI-R scoring modification that treats NRRs as missing and replaces them with the average score of the relevant items.
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Affiliation(s)
- Fanni Rencz
- Department of Health Economics, Corvinus University of Budapest, 8 Fővám tér, 1093, Budapest, Hungary.,Hungarian Academy of Sciences, Premium Postdoctoral Research Programme, 7 Nádor u, 1051, Budapest, Hungary
| | - Ariel Z Mitev
- Institute of Marketing, Corvinus University of Budapest, 8 Fővám tér, 1093, Budapest, Hungary
| | - Ákos Szabó
- Department of Health Economics, Corvinus University of Budapest, 8 Fővám tér, 1093, Budapest, Hungary.,Doctoral School of Clinical Medicine, Semmelweis University, 26 Üllői út, 1085, Budapest, Hungary
| | - Zsuzsanna Beretzky
- Department of Health Economics, Corvinus University of Budapest, 8 Fővám tér, 1093, Budapest, Hungary.,Doctoral School of Business and Management, Corvinus University of Budapest, 8 Fővám tér, 1093, Budapest, Hungary
| | - Adrienn K Poór
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, 41 Mária u, 1085, Budapest, Hungary
| | - Péter Holló
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, 41 Mária u, 1085, Budapest, Hungary
| | - Norbert Wikonkál
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, 41 Mária u, 1085, Budapest, Hungary
| | - Miklós Sárdy
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, 41 Mária u, 1085, Budapest, Hungary
| | - Sarolta Kárpáti
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, 41 Mária u, 1085, Budapest, Hungary
| | - Andrea Szegedi
- Departments of Dermatology, Faculty of Medicine, University of Debrecen, 98 Nagyerdei krt, 4032, Debrecen, Hungary.,Department of Dermatological Allergology, Faculty of Medicine, University of Debrecen, 98 Nagyerdei krt, 4032, Debrecen, Hungary
| | - Éva Remenyik
- Departments of Dermatology, Faculty of Medicine, University of Debrecen, 98 Nagyerdei krt, 4032, Debrecen, Hungary
| | - Valentin Brodszky
- Department of Health Economics, Corvinus University of Budapest, 8 Fővám tér, 1093, Budapest, Hungary.
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17
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Harari M. Commentary: Effect of Dead Sea Climatotherapy on Psoriasis; A Prospective Cohort Study. Front Med (Lausanne) 2020; 7:586418. [PMID: 33330544 PMCID: PMC7715007 DOI: 10.3389/fmed.2020.586418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 10/26/2020] [Indexed: 11/17/2022] Open
Affiliation(s)
- Marco Harari
- Dead Sea and Arava Reseach Center, Masada Institute, Jerusalem, Israel
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18
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Rzeszutek M, Podkowa K, Pięta M, Pankowski D, Cyran-Stemplewska S. Comparative study of life satisfaction among patients with psoriasis versus healthy comparison group: the explanatory role of body image and resource profiles. Qual Life Res 2020; 30:181-191. [PMID: 32888104 PMCID: PMC7847870 DOI: 10.1007/s11136-020-02621-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/19/2020] [Indexed: 01/07/2023]
Abstract
Purpose The aim of the study was first to examine the heterogeneity of body image and resources, as described by the conservation of resources theory (COR), in a sample of psoriatic patients and explore whether heterogeneity within these variables explains the possible differences in levels of life satisfaction among the participants. Second, we aimed to investigate if life satisfaction level among the observed profiles of psoriatic patients, extracted on the basis of their body image and resources, differed from that of the healthy comparison group. Methods The sample consisted of 735 participants, including 355 adults with a medical diagnosis of psoriasis and 380 healthy adults recruited from a non-clinical general population. Participants filled the Satisfaction with Life Scale, the Multidimensional Body-Self Relations Questionnaire and the COR evaluation questionnaire. Results Latent profile analysis revealed four classes of psoriatic patients with different levels of resources and body image. The group with the highest level of resources and the most positive body image did not differ from the healthy comparison group regarding satisfaction with life. The group with the lowest level of resources and the most negative body image was characterized by the lowest satisfaction with life. Conclusions The results of our study may change the simplifying trend that highlights the traditionally very poor well-being of psoriatic patients. Moreover, the discovery of specific profiles of these patients, which differ with regard to psychological variables, can lead to rethinking contemporary forms of psychological counselling in psoriatic patients.
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Affiliation(s)
- Marcin Rzeszutek
- Faculty of Psychology, University of Warsaw, Stawki 5/7, 00-183, Warsaw, Poland.
| | - Katarzyna Podkowa
- Faculty of Psychology, University of Warsaw, Stawki 5/7, 00-183, Warsaw, Poland
| | - Małgorzata Pięta
- Faculty of Psychology, University of Warsaw, Stawki 5/7, 00-183, Warsaw, Poland
| | - Daniel Pankowski
- Faculty of Psychology, University of Economics and Human Sciences in Warsaw, Okopowa 59, 01-043, Warsaw, Poland
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19
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Rzeszutek M, Zawadzka A, Pięta M, Houn A, Pankowski D, Kręcisz B. Profiles of resources and posttraumatic growth among cancer and psoriatic patients compared to non-clinical sample. Int J Clin Health Psychol 2020; 20:222-231. [PMID: 32994795 PMCID: PMC7501453 DOI: 10.1016/j.ijchp.2020.07.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 07/10/2020] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND/OBJECTIVE The aims of this study were to explore the heterogeneity of resources, as described by the Conservation of Resources (COR) theory, in a sample of cancer and psoriatic patients and to investigate whether heterogeneity within resources explains differences in Posttraumatic Growth (PTG) level within each of these clinical samples and in a non-clinical control group. METHOD The sample consisted of 925 participants, including 190 adults with a clinical diagnosis of gastrointestinal cancer, 355 adults with a medical diagnosis of psoriasis, and 380 non-clinical (without any chronic illnesses) adults, all of whom had suffered various adverse and traumatic events. The participants completed a COR evaluation questionnaire and a posttraumatic growth inventory. RESULTS A latent profile analysis revealed four different classes of psoriatic patients and five classes of cancer patients, all with different resources levels. Clinical subsamples differed substantially with PTG levels compared to healthy controls. CONCLUSIONS Our study did not find a sole pattern of PTG that fit all the individuals, even for those who experienced the same type of traumatic event. Psychological counseling, in chronic illness particularly, should focus on the heterogenetic profiles of patients with different psychosocial characteristics.
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Affiliation(s)
| | | | | | | | - Daniel Pankowski
- Faculty of Psychology, University of Economics and Human Sciences in Warsaw, Poland
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20
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Svoboda SA, Ghamrawi RI, Owusu DA, Feldman SR. Treatment Goals in Psoriasis: Which Outcomes Matter Most? Am J Clin Dermatol 2020; 21:505-511. [PMID: 32424692 DOI: 10.1007/s40257-020-00521-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Psoriasis is a chronic immune-mediated inflammatory disease that predominantly affects the skin and joints. Its detrimental effects on the physical, psychosocial, and emotional well-being of patients leads to a significant reduction in quality of life (QoL). The goals of treatment focus on decreasing disease severity and improving QoL for patients; accomplishing these goals requires physicians to understand both the full impact of the disease on a patient's life and the outcomes that matter most to patients. The use of outcome measures, both physician- and patient-reported, can assist clinicians in evaluating the disease burden and its effect on QoL and in identifying patient preferences for treatment, ultimately enhancing quality of care. However, current outcome measures have many limitations and do not adequately capture patients' needs and priorities. Nevertheless, physicians treating patients with psoriasis are encouraged to utilize these instruments while remaining cognizant of each of their limitations. As there is no consensus on an outcome measure that fully encompasses the complexities of psoriasis and its impact on patients, instruments that are appropriate and applicable to dermatologists and their patients should be developed.
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Affiliation(s)
- Steven A Svoboda
- Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC, 27157-1071, USA.
| | - Rima I Ghamrawi
- Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC, 27157-1071, USA
| | - Dorellie A Owusu
- Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC, 27157-1071, USA
| | - Steven R Feldman
- Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC, 27157-1071, USA
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, NC, USA
- Department of Social Sciences & Health Policy, Wake Forest School of Medicine, Winston-Salem, NC, USA
- Department of Dermatology, University of Southern Denmark, Odense, Denmark
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21
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Singh R, Finlay A. Dermatology Life Quality Index use in skin disease guidelines and registries worldwide. J Eur Acad Dermatol Venereol 2020; 34:e822-e824. [DOI: 10.1111/jdv.16701] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 05/20/2020] [Indexed: 11/29/2022]
Affiliation(s)
- R.K. Singh
- Division of Infection and Immunity School of Medicine Cardiff University Cardiff UK
| | - A.Y. Finlay
- Division of Infection and Immunity School of Medicine Cardiff University Cardiff UK
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22
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Mezones-Holguin E, Gamboa-Cardenas RV, Sanchez-Felix G, Chávez-Corrales J, Helguero-Santin LM, Laban Seminario LM, Burela-Prado PA, Castro-Reyes MM, Fiestas F. Efficacy and Safety in the Continued Treatment With a Biosimilar Drug in Patients Receiving Infliximab: A Systematic Review in the Context of Decision-Making From a Latin-American Country. Front Pharmacol 2019; 10:1010. [PMID: 31798442 PMCID: PMC6874174 DOI: 10.3389/fphar.2019.01010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Accepted: 08/08/2019] [Indexed: 12/25/2022] Open
Abstract
Introduction: Biological products, including infliximab (INF), are a therapeutic option for various medical conditions. In the Peruvian Social Security (EsSalud), infliximab is approved for the treatment of rheumatoid arthritis, psoriasis, psoriatic arthropathy, ankylosing spondylitis, ulcerative colitis and Crohn’s disease (in cases refractory to conventional treatment). Biosimilars are a safe and effective alternative approved for these diseases in patients who start treatment with infliximab. Nevertheless, there are people in treatment with the biological reference product (BRP), in whom the continuing therapy with a biosimilar biological product (BBP) must be evaluated. Objectives: To synthesize the best available evidence, calculate a preliminary financial impact and conduct technical discussions about the interchangeability into biosimilar in patients receiving treatment with original infliximab for medical conditions approved in EsSalud. Methodology: We carried out a systematic review of controlled clinical trials. Primary search was performed in Pubmed- MEDLINE, SCOPUS, WOS, EMBASE, TRIPDATABASE, DARE, Cochrane Library, NICE, AHRQ, SMC, McMaster-PLUS, CADTH, and HSE until June-2018. We used the Cochrane Collaboration tool to assess the risk of bias. Also, we implemented a preliminary financial analysis about the impact of biosimilar introduction on institutional purchasing budget. Moreover, technical meetings with medical doctors specialized in rheumatology, gastroenterology and dermatology were held for discussing findings. Results: In primary search, 1136 records were identified, and 357 duplicates were removed. From 799 records, we excluded 765 after title and abstract evaluation. From 14 full-text appraised documents, we included five clinical trials in the risk of bias assessment: four studies evaluated CTP-13 and one tested SB2. Two double-blind clinical trials reported no differences in efficacy and safety profiles between maintenance group (INF/INF) and interchangeability group in all diseases included (INF/CTP-13) and rheumatoid arthritis (CTP13 and SB2). In the other three studies, open-label extension of primary clinical trials, no differences were founded in efficacy and safety profiles between CTP-13/CTP-13 and INF/CTP-13 groups. In financial analysis, the inclusion of biosimilars implied savings around S/7´642,780.00 (1USD=S/3.30) on purchasing budget of EsSalud. In technical meetings, beyond certain concerns, specialists agreed with the findings. Conclusions: Evidence from clinical trials support that there are no differences in efficacy or safety of continuing the treatment with Infliximab BRP or exchanging into its biosimilar in patients with medical conditions approved in EsSalud. Financial analysis shows that the biosimilar introduction produce savings in purchasing institutional budget. Therefore, based on cost-opportunity principle, exchanging into biosimilar in patients receiving the original Infliximab, is a valid therapeutic alternative in the Peruvian Social Security.
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Affiliation(s)
- Edward Mezones-Holguin
- Universidad San Ignacio de Loyola (USIL), Centro de Excelencia en Estudios Económicos y Sociales en Salud, Lima, Peru
| | - Rocio Violeta Gamboa-Cardenas
- Seguro Social en Salud (EsSalud), Hospital Nacional Guillermo Almenara Irigoyen, Servicio de Reumatologia, Lima, Peru
| | - Gadwyn Sanchez-Felix
- Seguro Social en Salud (EsSalud), Hospital Nacional Edgardo Rebagliati Martins, Servicio de Dermatología, Lima, Peru
| | - José Chávez-Corrales
- Seguro Social en Salud (EsSalud), Hospital Nacional Edgardo Rebagliati Martins, Servicio de Reumatologia, Lima, Peru
| | - Luis Miguel Helguero-Santin
- Universidad Nacional de Piura (UNP), Facultad de Ciencias de la Salud, Sociedad Científica de Estudiantes de Medicina (SOCIEMUNP), Piura, Peru
| | - Luis Max Laban Seminario
- Universidad Nacional de Piura (UNP), Facultad de Ciencias de la Salud, Sociedad Científica de Estudiantes de Medicina (SOCIEMUNP), Piura, Peru
| | - Paula Alejandra Burela-Prado
- Seguro Social en Salud (EsSalud), Instituto de Evaluación de Tecnologías Sanitarias e Investigación (IETSI), Lima, Peru
| | - Maribel Marilu Castro-Reyes
- Seguro Social en Salud (EsSalud), Instituto de Evaluación de Tecnologías Sanitarias e Investigación (IETSI), Lima, Peru
| | - Fabian Fiestas
- Seguro Social en Salud (EsSalud), Instituto de Evaluación de Tecnologías Sanitarias e Investigación (IETSI), Lima, Peru
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23
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Rencz F, Gulácsi L, Péntek M, Szegedi A, Remenyik É, Bata‐Csörgő Z, Bali G, Hidvégi B, Tamási B, Poór A, Hajdu K, Holló P, Kinyó Á, Sárdy M, Brodszky V. DLQI‐R scoring improves the discriminatory power of the Dermatology Life Quality Index in patients with psoriasis, pemphigus and morphea. Br J Dermatol 2019; 182:1167-1175. [DOI: 10.1111/bjd.18435] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/12/2019] [Indexed: 02/06/2023]
Affiliation(s)
- F. Rencz
- Department of Health Economics Corvinus University of Budapest Fővám tér 8 H‐1093 Budapest Hungary
- Hungarian Academy of Sciences Premium Postdoctoral Research Programme Nádor u 7 H‐1051 Budapest Hungary
| | - L. Gulácsi
- Department of Health Economics Corvinus University of Budapest Fővám tér 8 H‐1093 Budapest Hungary
| | - M. Péntek
- Department of Health Economics Corvinus University of Budapest Fővám tér 8 H‐1093 Budapest Hungary
| | - A. Szegedi
- Department of Dermatological AllergologyFaculty of Medicine University of Debrecen Nagyerdei krt 98 H‐4032 Debrecen Hungary
- Department of Dermatology Faculty of Medicine University of Debrecen Nagyerdei krt 98 H‐4032 Debrecen Hungary
| | - É. Remenyik
- Department of Dermatology Faculty of Medicine University of Debrecen Nagyerdei krt 98 H‐4032 Debrecen Hungary
| | - Z. Bata‐Csörgő
- Department of Dermatology and Allergology Albert Szent‐Györgyi Medical Centre University of Szeged Korányi fasor 6 H‐6720 Szeged Hungary
| | - G. Bali
- Department of Dermatology, Venereology and Dermatooncology Faculty of Medicine Semmelweis University Mária u 41 H‐1085 Budapest Hungary
| | - B. Hidvégi
- Department of Dermatology, Venereology and Dermatooncology Faculty of Medicine Semmelweis University Mária u 41 H‐1085 Budapest Hungary
| | - B. Tamási
- Department of Dermatology, Venereology and Dermatooncology Faculty of Medicine Semmelweis University Mária u 41 H‐1085 Budapest Hungary
| | - A.K. Poór
- Department of Dermatology, Venereology and Dermatooncology Faculty of Medicine Semmelweis University Mária u 41 H‐1085 Budapest Hungary
| | - K. Hajdu
- Department of Dermatological AllergologyFaculty of Medicine University of Debrecen Nagyerdei krt 98 H‐4032 Debrecen Hungary
- Department of Dermatology Faculty of Medicine University of Debrecen Nagyerdei krt 98 H‐4032 Debrecen Hungary
| | - P. Holló
- Department of Dermatology, Venereology and Dermatooncology Faculty of Medicine Semmelweis University Mária u 41 H‐1085 Budapest Hungary
| | - Á. Kinyó
- Department of Dermatology, Venereology and Oncodermatology University of Pécs Akác u 1 H‐7632 Pécs Hungary
| | - M. Sárdy
- Department of Dermatology, Venereology and Dermatooncology Faculty of Medicine Semmelweis University Mária u 41 H‐1085 Budapest Hungary
| | - V. Brodszky
- Department of Health Economics Corvinus University of Budapest Fővám tér 8 H‐1093 Budapest Hungary
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24
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Sampogna F, Mastroeni S, Pallotta S, Fusari R, Uras C, Napolitano M, Abeni D. Use of the SF‐12 questionnaire to assess physical and mental health status in patients with psoriasis. J Dermatol 2019; 46:1153-1159. [DOI: 10.1111/1346-8138.15074] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 08/12/2019] [Indexed: 11/29/2022]
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25
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Gordon KB, Han C, Li S, You Y, Song M, Fakharzadeh S, Crowley JJ, Reich K. Correlation of Physician-Assessed Psoriasis Area and Severity Index Scores With Patient-Reported Psoriasis Symptoms and Signs Diary Scores Among Patients With Moderate-to-Severe Psoriasis: Results From VOYAGE 1 and VOYAGE 2 Studies. ACTA ACUST UNITED AC 2019. [DOI: 10.1177/2475530319854781] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: Patient-reported and clinician-determined outcomes do not always correlate in clinical trials for psoriasis, even among those with clear skin. Objective: To compare clinical responses with patient-reported outcomes among patients with psoriasis enrolled in 2 phase 3, double-blind, controlled trials of guselkumab (VOYAGE 1 and VOYAGE 2). Methods: Overall, 1432 patients randomized to guselkumab, placebo, or adalimumab at baseline were included in the pooled patient population; measures were assessed at baseline and week 16. End points included proportions of patients achieving 100% improvement in their Psoriasis Area and Severity Index (PASI 100) score and summary scores = 0 on the Psoriasis Symptoms and Signs Diary (PSSD). Proportions of patients with PSSD symptom/sign summary scores = 0 and mean PSSD summary scores were summarized by PASI 100 status. Association between PASI and PSSD scores were evaluated using Pearson correlation coefficients. Results: Among week-16 PASI 100 responders, 46.8% and 34.1% reported PSSD symptom and sign summary scores = 0, respectively, and 30.9% and 49.0% reported minimal symptoms/signs (scores = 1 to <10), respectively; mean scores (scale 0-100) were 6.4 for symptoms and 5.8 for signs. Among PASI 100 nonresponders, only 11.1% (symptoms) and 7.5% (signs) reported PSSD summary scores = 0; mean scores were 25.7 and 26.7, respectively. Correlation coefficients between overall PASI response and PSSD scores were 0.63 (symptoms) and 0.68 (signs; both P < .0001). Conclusion: While PASI and PSSD scores were highly correlated and most PASI 100 responders reported no/minimal symptoms or signs at week 16, substantial discrepancies were found between complete clearance from the clinician’s view versus symptom/sign-free status from patients’ perspectives.
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Affiliation(s)
- Kenneth B. Gordon
- Department of Dermatology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Chenglong Han
- Janssen Research & Development, LLC, Malvern and Spring House, PA, USA
| | - Shu Li
- Janssen Research & Development, LLC, Malvern and Spring House, PA, USA
| | - Yin You
- Janssen Research & Development, LLC, Malvern and Spring House, PA, USA
| | - Michael Song
- Janssen Research & Development, LLC, Malvern and Spring House, PA, USA
| | | | - Jeffrey J. Crowley
- Bakersfield Dermatology and Skin Cancer Medical Group, Bakersfield, CA, USA
| | - Kristian Reich
- Institute for Health Services Research in Dermatology and Nursing, University Medical Center Hamburg-Eppendorf and Skinflammation® Center, Hamburg, Germany
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26
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Yu S, Tu HP, Huang YC, Lan CCE. The incidence of anxiety may not be correlated with severity of psoriasis: A prospective pilot study. Med Hypotheses 2019; 130:109254. [PMID: 31383329 DOI: 10.1016/j.mehy.2019.109254] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 05/25/2019] [Accepted: 06/01/2019] [Indexed: 11/26/2022]
Abstract
Psoriasis is associated with certain psychiatric disorders such as anxiety and depression. Although a growing body of literature has indicated high prevalence of anxiety in patients with psoriasis, it is unclear if the incidence of anxiety is correlated with severity of psoriasis. In this article, we hypothesize that anxiety is not correlated with severity of psoriasis, and therefore the issue of anxiety should not be neglected in patients with mild psoriasis. To testify this hypothesis, we performed a pilot study to investigate the correlation between anxiety questionnaires and severity of psoriasis. Thirty-two patients with psoriasis were recruited. The patients were further classified into mild or moderate to severe psoriasis according to their body surface area or Psoriasis Area Severity Index (PASI). Zung's self-rating anxiety scale (SAS) and SF-36 were adopted to evaluate anxiety and quality of life, respectively. Spearman's rank correlation coefficients were calculated between SAS and each scale of SF-36 among these 32 patients. SAS is negatively correlated with role limitation due to emotional problems, vitality, emotional well-being of SF-36. Although SAS is not significantly different between mild and moderate to severe psoriasis, the detected levels of anxiety were higher than normative standards. Physicians should not neglect potential anxiety in patients who have mild psoriasis. Inter-discipline collaboration between psychiatry and dermatology is required to provide comprehensive patient care.
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Affiliation(s)
- Sebastian Yu
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dermatology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dermatology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dermatology, University of California Davis School of Medicine, Sacramento, USA
| | - Hung-Pin Tu
- Department of Public Health and Environmental Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yu-Chi Huang
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Psychiatry, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - Cheng-Che E Lan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dermatology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dermatology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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27
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Strober BE, van der Walt JM, Armstrong AW, Bourcier M, Carvalho AVE, Chouela E, Cohen AD, de la Cruz C, Ellis CN, Finlay AY, Gottlieb AB, Gudjonsson JE, Iversen L, Kleyn CE, Leonardi CL, Lynde CW, Ryan C, Theng CT, Valenzuela F, Vender R, Wu JJ, Young HS, Kimball AB. Clinical Goals and Barriers to Effective Psoriasis Care. Dermatol Ther (Heidelb) 2019; 9:5-18. [PMID: 30578464 PMCID: PMC6380974 DOI: 10.1007/s13555-018-0279-5] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Indexed: 12/18/2022] Open
Abstract
Engaging global key opinion leaders, the International Psoriasis Council (IPC) held a day-long roundtable discussion with the primary purpose to discuss the treatment goals of psoriasis patients and worldwide barriers to optimal care. Setting clear expectations might ultimately encourage undertreated psoriasis patients to seek care in an era in which great gains in therapeutic efficacy have been achieved. Here, we discuss the option for early treatment of all categories of psoriasis to alleviate disease impact while emphasizing the need for more focused attention for psoriasis patients with mild and moderate forms of this autoimmune disease. In addition, we encourage policy changes to keep pace with the innovative therapies and clinical science and highlight the demand for greater understanding of treatment barriers in resource-poor countries.
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Affiliation(s)
- Bruce E Strober
- University of Connecticut Health Center, Farmington, CT, USA.
- Probity Medical Research, Waterloo, ON, Canada.
| | | | | | - Marc Bourcier
- Faculty of Medicine, Sherbrooke University, Sherbrooke, QC, Canada
| | | | | | - Arnon D Cohen
- Siaal Research Center for Family Medicine and Primary Care, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
- Department of Quality Measurements and Research, Chief Physician's Office, Clalit Health Services, Tel Aviv, Israel
| | | | - Charles N Ellis
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Andrew Y Finlay
- Department of Dermatology and Academic Wound Healing, Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | | | - Johann E Gudjonsson
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Lars Iversen
- Department of Dermatology, Aarhus University Hospital, 8000, Aarhus C, Denmark
| | - C Elise Kleyn
- The Dermatology Centre, Manchester Academic Health Science Centre, Salford Royal NHS Foundation Trust, Barnes Building, Manchester, UK
| | | | | | - Caitriona Ryan
- Blackrock Clinic Dublin and University College Dublin, Dublin, Ireland
| | - Colin T Theng
- Department of Dermatology, National Skin Centre, Singapore, Republic of Singapore
| | | | - Ronald Vender
- Dermatrials Research Inc & Venderm Innovations in Psoriasis, Hamilton, ON, Canada
| | - Jashin J Wu
- Dermatology Research and Education Foundation, Irvine, CA, USA
| | - Helen S Young
- The Dermatology Centre, Manchester Academic Health Science Centre, Salford Royal NHS Foundation Trust, Barnes Building, Manchester, UK
| | - Alexa B Kimball
- Harvard Medical Faculty Physicians, Beth Israel Deaconess Medical Center, Boston, MA, USA
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28
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Lynde CW, Beecker J, Dutz J, Flanagan C, Guenther LC, Gulliver W, Papp K, Rahman P, Sholter D, Searles GE. Treating to Target(s) With Interleukin-17 Inhibitors. J Cutan Med Surg 2019; 23:3S-34S. [DOI: 10.1177/1203475418824565] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Background: The treat-to-target (T2T) strategy has become established in several medical specialties as a key guidance to optimal therapeutic decision making. T2T may be effective in the assessment of the biologic class of agents called interleukin (IL)-17 inhibitors, which are emerging as a safe and effective treatment option for autoimmune inflammatory conditions such as plaque psoriasis, psoriatic arthritis (PsA), and ankylosing spondylitis (AS). Objective: The objective of this article is to use a T2T approach for the evaluation of the effectiveness and safety of IL-17 inhibitors in the management of patients with plaque psoriasis, PsA, and AS. Methods: Following a comprehensive literature search, a full-day meeting was convened to discuss and identify the T2T targets for psoriasis, PsA, and AS. Clinical trial evidence was presented for the approved IL-17 inhibitors—secukinumab, ixekizumab, and brodalumab—to assess whether these data meet T2T safety and efficacy targets. Results: All 3 approved agents were significantly superior to placebo and active controls in the achievement of T2T targets for psoriasis. Secukinumab and ixekizumab were likewise associated with significantly better outcomes than controls in the PsA targets, and secukinumab resulted in significant AS target improvements vs placebo. The IL-17 inhibitors were also associated with low rates of serious adverse events and exacerbations of common comorbid conditions. Conclusion: Phase III trial results support the T2T benefit and safety of IL-17 inhibitors according to their specific indications for the management of patients with plaque psoriasis, PsA, and AS.
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Affiliation(s)
- Charles W. Lynde
- University of Toronto, ON, Canada
- University Health Network, Toronto, ON, Canada
- Probity Medical Research, Markham, ON, Canada
| | - Jennifer Beecker
- The Ottawa Hospital, ON, Canada
- The University of Ottawa, ON, Canada
- Probity Medical Research, Ottawa, ON, Canada
| | - Jan Dutz
- University of British Columbia, Vancouver, BC, Canada
- BC Children’s Hospital Research Institute, Vancouver, BC, Canada
| | | | | | - Wayne Gulliver
- Memorial University of Newfoundland, St. John’s, NL, Canada
| | - Kim Papp
- Probity Medical Research, Waterloo, ON, Canada
| | - Proton Rahman
- Memorial University of Newfoundland, St. John’s, NL, Canada
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29
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Ali FM, Johns N, Salek S, Finlay AY. Correlating the Dermatology Life Quality Index with psychiatric measures: A systematic review. Clin Dermatol 2018; 36:691-697. [DOI: 10.1016/j.clindermatol.2018.08.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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30
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Rencz F, Gulácsi L, Péntek M, Poór AK, Sárdy M, Holló P, Szegedi A, Remenyik É, Brodszky V. Proposal of a new scoring formula for the Dermatology Life Quality Index in psoriasis. Br J Dermatol 2018; 179:1102-1108. [PMID: 29968311 DOI: 10.1111/bjd.16927] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/19/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND 'Not relevant' responses (NRRs) on the Dermatology Life Quality Index (DLQI) may occur in up to 40% of patients with psoriasis. As these responses are scored as the item of the questionnaire having no impact on the patients' lives at all, it is more difficult for these patients to fulfil the DLQI > 10 criterion required by clinical guidelines to become candidates for systemic treatment including biologics. OBJECTIVES We propose a new scoring system for the DLQI that corrects for the bias in the NRR option and test its construct validity in a sample of patients with psoriasis. METHODS Data from 242 patients (104 of whom marked at least one NRR) from two earlier cross-sectional surveys were reanalysed. For each patient, the DLQI score was calculated in two ways: (i) according to the original scoring and (ii) by applying a new scoring formula (DLQI-R) that adjusts the total score for the number of NRRs. The construct validity of the DLQI-R was tested against the Psoriasis Area and Severity Index (PASI) and EQ-5D-3L. RESULTS The mean DLQI and DLQI-R scores were 9·99 ± 7·52 and 11·0 ± 8·02, respectively. The DLQI-R allowed eight more patients (3·3%) to achieve the 'PASI > 10 and DLQI > 10' threshold. The results were robust when limiting the maximum number of NRRs allowed to two or three. Compared with the DLQI, DLQI-R correlated slightly better with PASI (rs = 0·59 vs. 0·57) and EQ-5D-3L index scores (rs = -0·58 vs. -0·54). CONCLUSIONS The DLQI-R seems to be a valid scoring system for avoiding the bias in the NRR option and can help to improve patients' access to biologics.
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Affiliation(s)
- F Rencz
- Department of Health Economics, Corvinus University of Budapest, Fővám tér 8, H-1093, Budapest, Hungary.,Hungarian Academy of Sciences, Premium Postdoctoral Research Programme, Nádor u. 7, H-1051, Budapest, Hungary
| | - L Gulácsi
- Department of Health Economics, Corvinus University of Budapest, Fővám tér 8, H-1093, Budapest, Hungary
| | - M Péntek
- Department of Health Economics, Corvinus University of Budapest, Fővám tér 8, H-1093, Budapest, Hungary
| | - A K Poór
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, Mária u. 41, H-1085, Budapest, Hungary
| | - M Sárdy
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, Mária u. 41, H-1085, Budapest, Hungary
| | - P Holló
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, Mária u. 41, H-1085, Budapest, Hungary
| | - A Szegedi
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, H-4032, Debrecen, Hungary.,Department of Dermatological Allergology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, H-4032, Debrecen, Hungary
| | - É Remenyik
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, H-4032, Debrecen, Hungary
| | - V Brodszky
- Department of Health Economics, Corvinus University of Budapest, Fővám tér 8, H-1093, Budapest, Hungary
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31
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Ho P, Lin I, Yang X, Cho Y, Chu C. Using a novel scoring system for paronychia related to oncologic treatments (SPOT) for assessing paronychia severity and its correlation with pain index and quality of life. J Eur Acad Dermatol Venereol 2018; 33:204-212. [DOI: 10.1111/jdv.15121] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Accepted: 06/06/2018] [Indexed: 11/27/2022]
Affiliation(s)
- P.‐H. Ho
- Department of Dermatology National Taiwan University Hospital and National Taiwan University College of Medicine Taipei Taiwan
| | - I.‐C. Lin
- Department of Dermatology National Cheng Kung University Hospital Tainan Taiwan
| | - X. Yang
- Department of Pharmacology Koo Foundation Sun Yat‐Sen Cancer Center Taipei Taiwan
| | - Y.‐T. Cho
- Department of Dermatology National Taiwan University Hospital and National Taiwan University College of Medicine Taipei Taiwan
| | - C.‐Y. Chu
- Department of Dermatology National Taiwan University Hospital and National Taiwan University College of Medicine Taipei Taiwan
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32
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Svendsen MT, Andersen F, Andersen KH, Pottegård A, Johannessen H, Möller S, August B, Feldman SR, Andersen KE. A smartphone application supporting patients with psoriasis improves adherence to topical treatment: a randomized controlled trial. Br J Dermatol 2018; 179:1062-1071. [PMID: 29654699 DOI: 10.1111/bjd.16667] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/28/2018] [Indexed: 01/10/2023]
Abstract
BACKGROUND Adherence to topical psoriasis treatments is low, which leads to unsatisfactory treatment results. Smartphone applications (apps) for patient support exist but their potential to improve adherence has not been systematically evaluated. OBJECTIVES To evaluate whether a study-specific app improves adherence and reduces psoriasis symptoms compared with standard treatment. METHODS We conducted a randomized controlled trial (RCT, clinicaltrials.gov registration: NCT02858713). Patients received once-daily medication [calcipotriol/betamethasone dipropionate (Cal/BD) cutaneous foam] and were randomized to no app (n = 66) or app intervention (n = 68) groups. In total, 122 patients (91%) completed the 22-week follow-up. The primary outcome was adherence, which was defined as medication applied ≥ 80% of days during the treatment period and assessed by a chip integrated into the medication dispenser. Secondary outcomes were psoriasis severity measured by the Lattice System Physician's Global Assessment (LS-PGA) and quality of life, measured using the Dermatology Life Quality Index (DLQI) at all visits. RESULTS Intention-to-treat analyses using regression was performed. More patients in the intervention group were adherent to Cal/BD cutaneous foam than those in the nonintervention group at week 4 (65% vs. 38%, P = 0·004). The intervention group showed a greater LS-PGA reduction than the nonintervention group at week 4 (mean 1·86 vs. 1·46, P = 0·047). A similar effect was seen at weeks 8 and 26, although it did not reach statistical significance. CONCLUSIONS This RCT demonstrates that the app improved short-term adherence to Cal/BD cutaneous foam treatment and psoriasis severity.
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Affiliation(s)
- M T Svendsen
- Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark.,Centre for Innovative Medical Technology (CIMT), Clinical Institute, University of Southern Denmark, Odense, Denmark.,Odense Patient data Explorative Network (OPEN), Odense University Hospital, Odense, Denmark.,Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - F Andersen
- Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark.,Dermatological Investigations Scandinavia, University of Southern Denmark, Odense, Denmark
| | - K H Andersen
- Dermatological Investigations Scandinavia, University of Southern Denmark, Odense, Denmark
| | - A Pottegård
- Clinical Pharmacology and Pharmacy, University of Southern Denmark, Odense, Denmark.,Hospital Pharmacy, Odense University Hospital, Odense, Denmark
| | - H Johannessen
- Research Unit of User Perspectives, Department of Public Health, University of Southern Denmark, Odense, Denmark
| | - S Möller
- Odense Patient data Explorative Network (OPEN), Odense University Hospital, Odense, Denmark.,Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | | | - S R Feldman
- Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark.,Department of Dermatology (Center for Dermatology Research), Wake Forest School of Medicine, Winston-Salem, NC, U.S.A
| | - K E Andersen
- Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark.,Centre for Innovative Medical Technology (CIMT), Clinical Institute, University of Southern Denmark, Odense, Denmark.,Dermatological Investigations Scandinavia, University of Southern Denmark, Odense, Denmark
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33
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Stull DE, Griffiths CEM, Gilloteau I, Zhao Y, Guana A, Finlay AY, Sherif B, Houghton K, Puig L. Differential effects of secukinumab vs. ustekinumab for treatment of psoriasis on quality of life, work productivity and activity impairment: a structural equation modelling analysis. Br J Dermatol 2018; 178:1297-1307. [PMID: 29355896 DOI: 10.1111/bjd.16366] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/05/2018] [Indexed: 01/31/2023]
Abstract
BACKGROUND The appearance and lifelong, chronic nature of psoriasis result in considerable burden to patients, such as sleep impairment, depressive symptoms, negative self-esteem and reduced work productivity. OBJECTIVES To examine direct and indirect (mediated) effects of secukinumab vs. ustekinumab on quality of life, work productivity and activity impairment based on psoriasis severity and symptoms. METHODS Analyses were based on data from the CLEAR study. Structural equation modelling examined the effects of secukinumab vs. ustekinumab on the Dermatology Life Quality Index (DLQI) and on the Work Productivity and Activity Impairment (WPAI) questionnaire using Psoriasis Area and Severity Index (PASI) severity and symptoms (pain, itching and scaling) as potential mediators. Analyses were conducted primarily for patients achieving a PASI 90 response (90% or greater reduction in PASI from baseline) at week 16 (repeated at week 52) and for PASI 50, 75 and 100. RESULTS Results at weeks 16 and 52 showed that the effect of treatment on change in DLQI score was mediated by the PASI 90 response and by improvements in itching, pain, and scaling. Achieving any PASI response as early as week 16 directly resulted in significantly better WPAI scores. At week 52, both PASI response and improvement in scaling directly resulted in significantly better WPAI scores. Pain, itching and scaling were correlated (r = 0·51-0·68); improvement in any of these had a significant effect (directly or indirectly) on WPAI. All results favoured secukinumab over ustekinumab. CONCLUSIONS The results underscore the important role of both PASI response and reduction in symptoms on improvements in health-related quality of life and work and daily activity in favour of secukinumab vs. ustekinumab.
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Affiliation(s)
- D E Stull
- RTI Health Solutions, Research Triangle Park, NC, U.S.A
| | - C E M Griffiths
- Dermatology Centre, Salford Royal Hospital, University of Manchester, Manchester Academic Health Science Centre, The Dermatology Centre, Salford Royal NHS Foundation Trust, Barnes Building, Manchester, M6 8HD, U.K
| | | | - Y Zhao
- Sun Pharma, Cranbury, NJ, U.S.A
| | - A Guana
- Novartis Pharmaceuticals Corporation, East Hanover, NJ, U.S.A
| | - A Y Finlay
- Department of Dermatology, Cardiff University School of Medicine, Cardiff, U.K
| | - B Sherif
- RTI Health Solutions, Research Triangle Park, NC, U.S.A
| | - K Houghton
- RTI Health Solutions, Research Triangle Park, NC, U.S.A
| | - L Puig
- Department of Dermatology, Hospital de la Santa Creu i Sant Pau, Mas Casanovas 90, Block A, 5th floor, Module 3, 08041, Barcelona, Spain
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34
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Youn SW, Lee JH, Yu DY, Kim Y, Kim BS, Seo SJ, Choe YB, Yun SK, Park J, Kim NI, Choi CW, Youn JI, Lee SJ, Lee MG, Kim KJ, Park CJ, Ro YS, Song HJ, Shin BS, Ahn SK, Lee JY, Won YH, Jang MS, Kim KH, Kim MH, Kim TY, Choi JH. The relationship between clinical characteristics including presence of exposed lesions and health-related quality of life (HRQoL) in patients with psoriasis: analysis from the nationwide epidemiologic study for psoriasis in Korea (EPI-PSODE study). J Eur Acad Dermatol Venereol 2018; 32:1499-1506. [PMID: 29430733 DOI: 10.1111/jdv.14865] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 01/25/2018] [Indexed: 01/23/2023]
Abstract
BACKGROUND Psychological aspect and quality of life should be considered in treating patients with psoriasis. OBJECTIVE We sought to ascertain which clinical characteristics including presence of exposed lesions are associated with impairment of health-related quality of life (HRQoL) in patients with psoriasis. METHODS The EPI-PSODE study was a nationwide, multicenter, cross-sectional study conducted in Korea that included 1260 adult patients with psoriasis. In addition to clinical characteristics including presence of exposed lesions, data were collected using the Psoriatic Arthritis (PsA) Screening and Evaluation (PASE), Dermatology Life Quality Index (DLQI), MOS 36-Item Short-Form Health Survey (SF-36), Work Productivity and Activity Impairment Questionnaire Psoriasis (WPAI: PSO) and Medication Satisfaction Questionnaire (MSQ). RESULTS Patients with a DLQI score > 5 (n = 990) were younger, had an earlier onset of psoriasis, scored higher on the Psoriasis Area and Severity Index (PASI), had higher body surface area (BSA) and had higher PASE scores than patients with DLQI ≤ 5 (n = 266). The group of patients with exposed lesions (n = 871) were younger and male predominance, earlier onset of psoriasis, longer disease duration, higher PASI/BSA score and a higher proportion with drinking and smoking history each than the group of patients without exposed lesions (n = 389). Presence of exposed lesions negatively influenced DLQI, 36-Item Short-Form Health Survey (SF-36) (mental component), presenteeism, total work productivity impairment and total activity impairment in the WPAI: PSO. In multiple regression model, PASI score was the only variable which was significantly associated with all HRQoL measures. Presence of exposed lesions was a significant factor affecting DLQI and SF-36 (mental). CONCLUSION The presence of exposed lesions has a negative impact on quality of life, mental health and work productivity. Therefore, effective treatments are particularly needed for psoriasis patients with exposed lesions.
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Affiliation(s)
- S W Youn
- Department of Dermatology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - J-H Lee
- Department of Dermatology, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Korea
| | - D Y Yu
- Medical Affairs, Janssen Korea, Seoul, Korea
| | - Y Kim
- Medical Affairs, Janssen Korea, Seoul, Korea
| | - B S Kim
- Department of Dermatology, Pusan National University School of Medicine, Busan, Korea
| | - S J Seo
- Department of Dermatology, Chung-Ang University Hospital, Seoul, Korea
| | - Y B Choe
- Department of Dermatology, Konkuk University School of Medicine, Seoul, Korea
| | - S-K Yun
- Department of Dermatology, Chonbuk National University Medical School, Jeonju, Korea
| | - J Park
- Department of Dermatology, Catholic University of Daegu School of Medicine, Daegu, Korea
| | - N I Kim
- Department of Dermatology, KyungHee University Medical center, Seoul, Korea
| | - C W Choi
- Department of Dermatology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - J I Youn
- Department of Dermatology, National Medical Center, Seoul, Korea
| | - S-J Lee
- Department of Dermatology, Kyungpook National University Hospital, Daegu, Korea
| | - M-G Lee
- Department of Dermatology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - K J Kim
- Department of Dermatology, Hallym University Sacred Heart Hospital, Anyang, Korea
| | - C J Park
- Department of Dermatology, The Catholic University of Korea, Bucheon St. Mary's Hospital, Bucheon, Korea
| | - Y S Ro
- Department of Dermatology, Hanyang University Medical Center, Seoul, Korea
| | - H J Song
- Department of Dermatology, Korea University Guro Hospital, Seoul, Korea
| | - B S Shin
- Department of Dermatology, Chosun University Hospital, Gwangju, Korea
| | - S K Ahn
- Department of Dermatology, Wonju Severance Christian Hospital, Wonju, Korea
| | - J Y Lee
- Department of Dermatology, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Y H Won
- Department of Dermatology, Chonnam National University Hospital, Gwangju, Korea
| | - M S Jang
- Department of Dermatology, Kosin University College of Medicine, Busan, Korea
| | - K H Kim
- Department of Dermatology, Dong-A University Hospital, Busan, Korea
| | - M H Kim
- Department of Dermatology, Dankook University Hospital, Cheonan, Korea
| | - T Y Kim
- Department of Dermatology, Catholic University of Korea Seoul St. Mary's Hospital, Seoul, Korea
| | - J-H Choi
- Department of Dermatology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
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Hoben M, Knopp-Sihota JA, Nesari M, Chamberlain SA, Squires JE, Norton PG, Cummings GG, Stevens BJ, Estabrooks CA. Health of health care workers in Canadian nursing homes and pediatric hospitals: a cross-sectional study. CMAJ Open 2017; 5:E791-E799. [PMID: 29162609 PMCID: PMC5741427 DOI: 10.9778/cmajo.20170080] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Poor health of health care workers affects quality of care, but research and health data for health care workers are scarce. Our aim was to compare physical/mental health among health care worker groups 1) within nursing homes and pediatric hospitals, 2) between the 2 settings and 3) with the physical/mental health of the Canadian population. METHODS Using cross-sectional data collected as part of the Translating Research in Elder Care program and the Translating Research on Pain in Children program, we examined the health of health care workers. In nursing homes, 169 registered nurses, 139 licensed practical nurses, 1506 care aides, 145 allied health care providers and 69 managers were surveyed. In pediatric hospitals, 63 physicians, 747 registered nurses, 155 allied health care providers, 49 nurse educators and 22 managers were surveyed. After standardization of the data for age and sex, we applied analyses of variance and general linear models, adjusted for multiple testing. RESULTS Nursing home workers and registered nurses in pediatric hospitals had poorer mental health than the Canadian population. Scores were lowest for registered nurses in nursing homes (mean difference -4.4 [95% confidence interval -6.6 to -2.6]). Physicians in pediatric hospitals and allied health care providers in nursing homes had better physical health than the general population. We also found important differences in physical/mental health for care provider groups within and between care settings. INTERPRETATION Mental health is especially poor among nursing home workers, who care for a highly vulnerable and medically complex population of older adults. Strategies including optimized work environments are needed to improve the physical and mental health of health care workers to ameliorate quality of patient care.
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Affiliation(s)
- Matthias Hoben
- Affiliations: Faculty of Nursing (Hoben, Nesari, Chamberlain, Cummings, Estabrooks), University of Alberta, Edmonton, Alta.; Faculty of Health Disciplines (Knopp-Sihota), Athabasca University, Athabasca, Alta.; School of Nursing (Squires), Faculty of Health Sciences, University of Ottawa; Clinical Epidemiology Program (Squires), Ottawa Hospital Research Institute, Ottawa, Ont.; Department of Family Medicine (Norton), Cumming School of Medicine, University of Calgary, Calgary, Alta.; Lawrence S. Bloomberg Faculty of Nursing (Stevens), University of Toronto, Toronto, Ont
| | - Jennifer A Knopp-Sihota
- Affiliations: Faculty of Nursing (Hoben, Nesari, Chamberlain, Cummings, Estabrooks), University of Alberta, Edmonton, Alta.; Faculty of Health Disciplines (Knopp-Sihota), Athabasca University, Athabasca, Alta.; School of Nursing (Squires), Faculty of Health Sciences, University of Ottawa; Clinical Epidemiology Program (Squires), Ottawa Hospital Research Institute, Ottawa, Ont.; Department of Family Medicine (Norton), Cumming School of Medicine, University of Calgary, Calgary, Alta.; Lawrence S. Bloomberg Faculty of Nursing (Stevens), University of Toronto, Toronto, Ont
| | - Maryam Nesari
- Affiliations: Faculty of Nursing (Hoben, Nesari, Chamberlain, Cummings, Estabrooks), University of Alberta, Edmonton, Alta.; Faculty of Health Disciplines (Knopp-Sihota), Athabasca University, Athabasca, Alta.; School of Nursing (Squires), Faculty of Health Sciences, University of Ottawa; Clinical Epidemiology Program (Squires), Ottawa Hospital Research Institute, Ottawa, Ont.; Department of Family Medicine (Norton), Cumming School of Medicine, University of Calgary, Calgary, Alta.; Lawrence S. Bloomberg Faculty of Nursing (Stevens), University of Toronto, Toronto, Ont
| | - Stephanie A Chamberlain
- Affiliations: Faculty of Nursing (Hoben, Nesari, Chamberlain, Cummings, Estabrooks), University of Alberta, Edmonton, Alta.; Faculty of Health Disciplines (Knopp-Sihota), Athabasca University, Athabasca, Alta.; School of Nursing (Squires), Faculty of Health Sciences, University of Ottawa; Clinical Epidemiology Program (Squires), Ottawa Hospital Research Institute, Ottawa, Ont.; Department of Family Medicine (Norton), Cumming School of Medicine, University of Calgary, Calgary, Alta.; Lawrence S. Bloomberg Faculty of Nursing (Stevens), University of Toronto, Toronto, Ont
| | - Janet E Squires
- Affiliations: Faculty of Nursing (Hoben, Nesari, Chamberlain, Cummings, Estabrooks), University of Alberta, Edmonton, Alta.; Faculty of Health Disciplines (Knopp-Sihota), Athabasca University, Athabasca, Alta.; School of Nursing (Squires), Faculty of Health Sciences, University of Ottawa; Clinical Epidemiology Program (Squires), Ottawa Hospital Research Institute, Ottawa, Ont.; Department of Family Medicine (Norton), Cumming School of Medicine, University of Calgary, Calgary, Alta.; Lawrence S. Bloomberg Faculty of Nursing (Stevens), University of Toronto, Toronto, Ont
| | - Peter G Norton
- Affiliations: Faculty of Nursing (Hoben, Nesari, Chamberlain, Cummings, Estabrooks), University of Alberta, Edmonton, Alta.; Faculty of Health Disciplines (Knopp-Sihota), Athabasca University, Athabasca, Alta.; School of Nursing (Squires), Faculty of Health Sciences, University of Ottawa; Clinical Epidemiology Program (Squires), Ottawa Hospital Research Institute, Ottawa, Ont.; Department of Family Medicine (Norton), Cumming School of Medicine, University of Calgary, Calgary, Alta.; Lawrence S. Bloomberg Faculty of Nursing (Stevens), University of Toronto, Toronto, Ont
| | - Greta G Cummings
- Affiliations: Faculty of Nursing (Hoben, Nesari, Chamberlain, Cummings, Estabrooks), University of Alberta, Edmonton, Alta.; Faculty of Health Disciplines (Knopp-Sihota), Athabasca University, Athabasca, Alta.; School of Nursing (Squires), Faculty of Health Sciences, University of Ottawa; Clinical Epidemiology Program (Squires), Ottawa Hospital Research Institute, Ottawa, Ont.; Department of Family Medicine (Norton), Cumming School of Medicine, University of Calgary, Calgary, Alta.; Lawrence S. Bloomberg Faculty of Nursing (Stevens), University of Toronto, Toronto, Ont
| | - Bonnie J Stevens
- Affiliations: Faculty of Nursing (Hoben, Nesari, Chamberlain, Cummings, Estabrooks), University of Alberta, Edmonton, Alta.; Faculty of Health Disciplines (Knopp-Sihota), Athabasca University, Athabasca, Alta.; School of Nursing (Squires), Faculty of Health Sciences, University of Ottawa; Clinical Epidemiology Program (Squires), Ottawa Hospital Research Institute, Ottawa, Ont.; Department of Family Medicine (Norton), Cumming School of Medicine, University of Calgary, Calgary, Alta.; Lawrence S. Bloomberg Faculty of Nursing (Stevens), University of Toronto, Toronto, Ont
| | - Carole A Estabrooks
- Affiliations: Faculty of Nursing (Hoben, Nesari, Chamberlain, Cummings, Estabrooks), University of Alberta, Edmonton, Alta.; Faculty of Health Disciplines (Knopp-Sihota), Athabasca University, Athabasca, Alta.; School of Nursing (Squires), Faculty of Health Sciences, University of Ottawa; Clinical Epidemiology Program (Squires), Ottawa Hospital Research Institute, Ottawa, Ont.; Department of Family Medicine (Norton), Cumming School of Medicine, University of Calgary, Calgary, Alta.; Lawrence S. Bloomberg Faculty of Nursing (Stevens), University of Toronto, Toronto, Ont
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Poór AK, Brodszky V, Péntek M, Gulácsi L, Ruzsa G, Hidvégi B, Holló P, Kárpáti S, Sárdy M, Rencz F. Is the DLQI appropriate for medical decision-making in psoriasis patients? Arch Dermatol Res 2017; 310:47-55. [PMID: 29128966 DOI: 10.1007/s00403-017-1794-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2017] [Revised: 10/28/2017] [Accepted: 11/06/2017] [Indexed: 12/24/2022]
Abstract
Dermatology Life Quality Index (DLQI) is the most commonly applied measure of health-related quality of life (HRQoL) in psoriasis patients. It is among defining criteria of moderate-to-severe psoriasis and present in treatment guidelines. Our objective was to estimate preference-based HRQoL values (i.e., utilities) for hypothetical health states described by the 10 items of the DLQI in psoriasis patients. Moreover, we compare results to findings of a similar study previously conducted among the general public. A cross-sectional survey was carried out among 238 psoriasis patients. Seven hypothetical DLQI-defined health states with total scores of 6, 11, and 16 (3-3 and 1 states, respectively) were evaluated by time trade-off method. The difference in DLQI scores between hypothetical health states was set at 5 points, as it exceeds the minimal clinically important difference (MCID). Utility scores were found to be homogenous across the seven hypothetical health states (range of means for the 6-point states 0.85-0.91, range of means for the 11-point states 0.83-0.85, and mean of 0.84 for the 16-point state). Overall, mean utilities assessed by psoriasis patients were higher for all seven states compared with the general public (mean difference 0.16-0.28; p < 0.001). In 11 out of the 15 comparisons between health states with DLQI scores differing larger than the MCID, there was no statistically significant difference in utility. Thus, in clinical settings, patients with DLQI scores differing more than the MCID may have identical HRQoL. Improving the definition of moderate-to-severe disease and reconsideration of the DLQI in clinical assessment of psoriasis patients are suggested.
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Affiliation(s)
- Adrienn Katalin Poór
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, Mária utca 41, 1085, Budapest, Hungary
| | - Valentin Brodszky
- Department of Health Economics, Corvinus University of Budapest, Fővám tér 8, 1093, Budapest, Hungary
| | - Márta Péntek
- Department of Health Economics, Corvinus University of Budapest, Fővám tér 8, 1093, Budapest, Hungary
| | - László Gulácsi
- Department of Health Economics, Corvinus University of Budapest, Fővám tér 8, 1093, Budapest, Hungary
| | - Gábor Ruzsa
- Institute of Psychology, Doctoral School of Psychology, Eötvös Loránd University of Sciences, Izabella utca 46, 1064, Budapest, Hungary
- Department of Statistics, Corvinus University of Budapest, Fővám tér 8, 1093, Budapest, Hungary
| | - Bernadett Hidvégi
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, Mária utca 41, 1085, Budapest, Hungary
| | - Péter Holló
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, Mária utca 41, 1085, Budapest, Hungary
| | - Sarolta Kárpáti
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, Mária utca 41, 1085, Budapest, Hungary
| | - Miklós Sárdy
- Department of Dermatology, Venereology and Dermatooncology, Faculty of Medicine, Semmelweis University, Mária utca 41, 1085, Budapest, Hungary
| | - Fanni Rencz
- Department of Health Economics, Corvinus University of Budapest, Fővám tér 8, 1093, Budapest, Hungary.
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Kivelevitch D, Michel P, Menter A. Quality of life instruments in psoriasis clinical trials. Br J Dermatol 2017; 176:563. [PMID: 28300302 DOI: 10.1111/bjd.15102] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
| | - P Michel
- Baylor Institute for Immunology Research, Dallas, TX, U.S.A
| | - A Menter
- Baylor University Medical Center, Dallas, TX, U.S.A
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Finlay A. Real‐world effect of biologics on quality of life in psoriasis. Br J Dermatol 2017; 177:1164-1165. [DOI: 10.1111/bjd.15945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- A.Y. Finlay
- Department of Dermatology and Wound Healing Institute of Infection and Immunity Cardiff University School of Medicine Heath Park Cardiff CF14 4XN U.K
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Iskandar IYK, Ashcroft DM, Warren RB, Lunt M, McElhone K, Smith CH, Reynolds NJ, Griffiths CEM. Comparative effectiveness of biological therapies on improvements in quality of life in patients with psoriasis. Br J Dermatol 2017; 177:1410-1421. [PMID: 28369707 PMCID: PMC6487951 DOI: 10.1111/bjd.15531] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/23/2017] [Indexed: 01/12/2023]
Abstract
Background Evidence of the comparative effectiveness of biological therapies for psoriasis on health‐related quality of life (HRQoL) in routine clinical practice is limited. Objectives To examine the comparative effectiveness of adalimumab, etanercept and ustekinumab on HRQoL in patients with psoriasis, and to identify potential predictors for improved HRQoL. Methods This was a prospective cohort study in which changes in HRQoL were assessed using the Dermatology Life Quality Index (DLQI) and EuroQoL‐5D (EQ‐5D) at 6 and 12 months. Multivariable regression models were developed to identify factors associated with achieving a DLQI of 0/1 and improvements in the EQ‐5D utility score. Results In total, 2152 patients with psoriasis were included, with 1239 patients on adalimumab, 517 on etanercept and 396 on ustekinumab; 81% were biologic naïve. For the entire cohort, the median (interquartile range) DLQI and EQ‐5D improved from 18 (13–24) and 0·73 (0·69–0·80) at baseline to 2 (0–7) and 0·85 (0·69–1·00) at 6 months, respectively (P < 0·001). Similar improvements were achieved at 12 months. At 12 months, multivariable regression modelling showed that female sex, multiple comorbidities, smoking and a higher DLQI or a lower EQ‐5D utility score at baseline predicted a lower likelihood of achieving a DLQI of 0/1 or improvement in the EQ‐5D. Compared with adalimumab, patients receiving etanercept, but not ustekinumab, were less likely to achieve a DLQI of 0/1. There was no significant difference between the biological therapies in EQ‐5D improvement. Conclusions In routine clinical practice biological therapies produce marked improvement in HRQoL, which is influenced by the choice of biological therapy, baseline impairment in HRQoL, lifestyle characteristics and comorbidities. These findings should help inform selection of optimal biological therapy for patients related to improvements in HRQoL. What's already known about this topic? Evidence of the comparative effectiveness of biological therapies for psoriasis on health‐related quality of life (HRQoL) in routine clinical practice is limited. Earlier observational studies were either cross‐sectional, thereby limiting the ability to compare changes in HRQoL, or cohort studies that have not taken into account important clinical factors that could influence treatment response, such as alterations in dosing regimens of biological therapies and the concomitant use of conventional systemic treatments for psoriasis.
What does this study add? This large prospective cohort study found that in routine clinical practice, the use of biological therapies for psoriasis was associated with marked improvements in HRQoL over 12 months. These improvements were influenced by the choice of biological therapy, baseline impairment in HRQoL, lifestyle characteristics and comorbidities. Compared with adalimumab, patients receiving etanercept were less likely to achieve a DLQI of 0/1, but there was no significant difference between ustekinumab and adalimumab in the proportion of patients achieving a DLQI of 0/1. There was no significant difference between the three biological therapies in level of improvement in the EQ‐5D.
Linked Comment: Finlay. Br J Dermatol 2017; 177:1164–1165.
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Affiliation(s)
- I Y K Iskandar
- Centre for Pharmacoepidemiology and Drug Safety, Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, U.K
| | - D M Ashcroft
- Centre for Pharmacoepidemiology and Drug Safety, Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, U.K
| | - R B Warren
- Dermatology Centre, Salford Royal NHS Foundation Trust, The University of Manchester, Manchester Academic Health Science Centre, Manchester, U.K.,Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, U.K.,NIHR Manchester Biomedical Research Centre, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, U.K
| | - M Lunt
- Arthritis Research U.K. Centre for Epidemiology, Division of Musculoskeletal and Dermatological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, U.K
| | - K McElhone
- Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, U.K.,NIHR Manchester Biomedical Research Centre, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, U.K
| | - C H Smith
- St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, U.K
| | - N J Reynolds
- Institute of Cellular Medicine, Medical School, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, U.K.,NIHR Newcastle Biomedical Research Centre, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, U.K.,Department of Dermatology, Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, U.K
| | - C E M Griffiths
- Dermatology Centre, Salford Royal NHS Foundation Trust, The University of Manchester, Manchester Academic Health Science Centre, Manchester, U.K.,Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, U.K.,NIHR Manchester Biomedical Research Centre, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, U.K
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Atwan A, Piguet V, Finlay A, Francis N, Ingram J. Dermatology Life Quality Index (DLQI) as a psoriasis referral triage tool. Br J Dermatol 2017; 177:e136-e137. [DOI: 10.1111/bjd.15446] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- A. Atwan
- Department of Dermatology; Cardiff University School of Medicine; Cardiff U.K
| | - V. Piguet
- Department of Dermatology; Cardiff University School of Medicine; Cardiff U.K
| | - A.Y. Finlay
- Department of Dermatology; Cardiff University School of Medicine; Cardiff U.K
| | - N.A. Francis
- Department of Primary Care and Public Health; Cardiff University School of Medicine; Cardiff U.K
| | - J.R. Ingram
- Department of Dermatology; Cardiff University School of Medicine; Cardiff U.K
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Measurement properties of the EQ-5D-5L compared to the EQ-5D-3L in psoriasis patients. Qual Life Res 2017; 26:3409-3419. [DOI: 10.1007/s11136-017-1699-x] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/29/2017] [Indexed: 01/04/2023]
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Mapping of the DLQI scores to EQ-5D utility values using ordinal logistic regression. Qual Life Res 2017; 26:3025-3034. [PMID: 28601958 PMCID: PMC5655589 DOI: 10.1007/s11136-017-1607-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/27/2017] [Indexed: 12/23/2022]
Abstract
Purpose The Dermatology Life Quality Index (DLQI) and the European Quality of Life-5 Dimension (EQ-5D) are separate measures that may be used to gather health-related quality of life (HRQoL) information from patients. The EQ-5D is a generic measure from which health utility estimates can be derived, whereas the DLQI is a specialty-specific measure to assess HRQoL. To reduce the burden of multiple measures being administered and to enable a more disease-specific calculation of health utility estimates, we explored an established mathematical technique known as ordinal logistic regression (OLR) to develop an appropriate model to map DLQI data to EQ-5D-based health utility estimates. Methods Retrospective data from 4010 patients were randomly divided five times into two groups for the derivation and testing of the mapping model. Split-half cross-validation was utilized resulting in a total of ten ordinal logistic regression models for each of the five EQ-5D dimensions against age, sex, and all ten items of the DLQI. Using Monte Carlo simulation, predicted health utility estimates were derived and compared against those observed. This method was repeated for both OLR and a previously tested mapping methodology based on linear regression. Results The model was shown to be highly predictive and its repeated fitting demonstrated a stable model using OLR as well as linear regression. The mean differences between OLR-predicted health utility estimates and observed health utility estimates ranged from 0.0024 to 0.0239 across the ten modeling exercises, with an average overall difference of 0.0120 (a 1.6% underestimate, not of clinical importance). Conclusions This modeling framework developed in this study will enable researchers to calculate EQ-5D health utility estimates from a specialty-specific study population, reducing patient and economic burden. Electronic supplementary material The online version of this article (doi:10.1007/s11136-017-1607-4) contains supplementary material, which is available to authorized users.
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Assessment of the psychometric properties of the EQ-5D-3L and EQ-5D-5L instruments in psoriasis. Arch Dermatol Res 2017; 309:357-370. [DOI: 10.1007/s00403-017-1743-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2016] [Revised: 04/23/2017] [Accepted: 05/03/2017] [Indexed: 02/08/2023]
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Connor CJ. Management of the psychological comorbidities of dermatological conditions: practitioners' guidelines. Clin Cosmet Investig Dermatol 2017; 10:117-132. [PMID: 28458571 PMCID: PMC5404497 DOI: 10.2147/ccid.s111041] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Dermatological disease can be devastating for patients, and although dermatologists are focused on remedying the cutaneous manifestations of these conditions, it is easy to miss the psychological suffering lurking below. Studies reveal that psychiatric comorbidity in dermatology is highly prevalent. Undetected psychopathology can greatly decrease a patient's quality of life and even contribute significantly to the clinical severity of their skin disease. For these reasons, it is vital that practitioners learn to detect psychological distress when it is present, and it is equally essential that they understand the treatment options available for effective intervention. Without training in psychiatric diagnosis and psychopharmacology, dermatologists can easily feel overwhelmed or out of their comfort zone when faced with the need to manage such conditions, but with the negative stigma associated with psychiatric disease in general, a psychiatric referral is often refused by patients, and the dermatologist is thus left with the responsibility. Uncertainty abounds in such situations, but this review seeks to alleviate the discomfort with psychodermatological disease and share practical and impactful recommendations to assist in diagnosis and treatment. In a busy dermatology clinic, the key is effective and efficient screening, combined with a repertoire of pharmacological and non-pharmacological treatment options that can be dispersed through an algorithmic approach according to the specific findings of that screening. By implementing these recommendations into practice, dermatologists may begin to gain comfort with the management of psychocutaneous disease and, as a specialty, may expand to fill a hole in patient care that is truly significant for patients, their families, and our communities as a whole.
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Affiliation(s)
- Cody J Connor
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL, USA
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Greb JE, Goldminz AM, Elder JT, Lebwohl MG, Gladman DD, Wu JJ, Mehta NN, Finlay AY, Gottlieb AB. Psoriasis. Nat Rev Dis Primers 2016; 2:16082. [PMID: 27883001 DOI: 10.1038/nrdp.2016.82] [Citation(s) in RCA: 542] [Impact Index Per Article: 67.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Psoriasis is a chronic, immune-mediated disorder with cutaneous and systemic manifestations and substantial negative effects on patient quality of life. Psoriasis has a strong, albeit polygenic, genetic basis. Whereas approximately half of the accountable genetic effect of psoriasis maps to the major histocompatibility complex, >70 other loci have been identified, many of which implicate nuclear factor-κB, interferon signalling and the IL-23-IL-23 receptor axis. Psoriasis pathophysiology is characterized by abnormal keratinocyte proliferation and immune cell infiltration in the dermis and epidermis involving the innate and adaptive immune systems, with important roles for dendritic cells and T cells, among other cells. Frequent comorbidities are rheumatological and cardiovascular in nature, in particular, psoriatic arthritis. Current treatments for psoriasis include topical agents, photo-based therapies, traditional systemic drugs and biologic agents. Treatments can be used in combination or as monotherapy. Biologic therapies that target specific disease mediators have become a mainstay in the treatment of moderate-to-severe disease, whereas advances in the treatment of mild-to-moderate disease have been limited.
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Affiliation(s)
- Jacqueline E Greb
- Tufts University School of Medicine, Boston, Massachusetts, USA.,Tufts Medical Center, Department of Dermatology, Boston, Massachusetts, USA
| | - Ari M Goldminz
- Tufts Medical Center, Department of Dermatology, Boston, Massachusetts, USA
| | - James T Elder
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA.,Ann Arbor Veterans Affairs Hospital, Ann Arbor, Michigan, USA
| | - Mark G Lebwohl
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Dafna D Gladman
- University of Toronto, Toronto, Ontario, Canada.,Krembil Research Institute, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Jashin J Wu
- Department of Dermatology, Kaiser Permanente Los Angeles Medical Center, Los Angeles, California, USA
| | - Nehal N Mehta
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Andrew Y Finlay
- Department of Dermatology and Wound Healing, Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Alice B Gottlieb
- Department of Dermatology, New York Medical College, 40 Sunshine Cottage Rd, Valhalla, New York 10595, USA
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Finlay A, Salek M, Abeni D, Tomás-Aragonés L, van Cranenburgh O, Evers A, Jemec G, Linder D, Manolache L, Marrón S, Prinsen C, Susitaival P, Chernyshov P. Why quality of life measurement is important in dermatology clinical practice. J Eur Acad Dermatol Venereol 2016; 31:424-431. [DOI: 10.1111/jdv.13985] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 09/16/2016] [Indexed: 11/30/2022]
Affiliation(s)
- A.Y. Finlay
- Division of Infection and Immunity; Department of Dermatology and Wound Healing; Cardiff University; Cardiff UK
| | - M.S. Salek
- Department of Pharmacy, Pharmacology and Postgraduate Medicine; School of Life & Medical Sciences; University of Hertfordshire; Hatfield UK
| | - D. Abeni
- Clinical Epidemiology Unit; IDI-IRCCS FLMM; Rome Italy
| | - L. Tomás-Aragonés
- Department of Psychology; Aragon Health Sciences Institute; University of Zaragoza; Zaragoza Spain
| | - O.D. van Cranenburgh
- Dutch Skin Foundation; Nieuwegein The Netherlands
- Department of Medical Psychology; Academic Medical Center; Amsterdam The Netherlands
| | - A.W.M. Evers
- Health, Medical, and Neuropsychology unit; Leiden University; Leiden The Netherlands
| | - G.B.E. Jemec
- Department of Dermatology; Zealand University Hospital; Roskilde Denmark
- Health Sciences Faculty; University of Copenhagen; Denmark
| | - D. Linder
- Oslo Center for Biostatistics and Epidemiology; University of Oslo; Oslo Norway
| | | | - S.E. Marrón
- Department of Dermatology; Alcañiz Hospital, Aragon Health Sciences Institute; Zaragoza Spain
| | - C.A.C. Prinsen
- VU University Medical Center; Department of Epidemiology and Biostatistics; EMGO Institute for Health and Care Research; Amsterdam The Netherlands
| | | | - P.V. Chernyshov
- Department of Dermatology and Venereology; National Medical University; Kiev Ukraine
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