Cross-European validation of the ItchyQoL in pruritic dermatoses

C. Zeidler, S. Steinke, C. Riepe, P. Bruland, I. Soto-Rey, M. Storck, S. Garcovich, C. Blome, S. Bobko, F. J. Legat, N. Potekaev, A. Lvov, L. Misery, W. Weger, A. Reich, E. Şavk, M. Streit, E. Serra-Baldrich, J. C. Szepietowski, Gil YosipovitchS. C. Chen, M. Dugas, S. Ständer

Research output: Contribution to journalArticle

Abstract

Background: Chronic pruritus (CP) is a frequently occurring symptom in inflammatory dermatoses, causing a high burden and limitations to health-related quality of life (HRQoL). Objective: The ItchyQoL was developed to assess the impairment to HRQoL in patients with CP. However, it has only been validated in English and German. Here, we report the validation in several languages across Europe. Methods: After professional translation, the versions of ItchyQoL were digitized for use as a tablet application. Validation was performed in clinics for dermatology in Austria, France, Germany, Italy, Poland, Russia, Spain, Switzerland and Turkey. Results: Five hundred and thirty-five patients with either contact dermatitis, chronic prurigo – nodular type, psoriasis vulgaris, lichen planus or mycosis fungoides/Sézary syndrome and with CP ≥ 3 on the numerical rating scale were included. ItchyQoL showed a high level of consistency (Cronbach's-α, all: 0.95) and test-retest reliability (intraclass correlation: 0.91). It strongly correlated with the Dermatology Life Quality Index (r = 0.72, P < 0.001) and moderately correlated with itch intensity scales in the study population (visual analogue scale r = 0.46; numerical rating scale r = 0.51; verbal rating scale r = 0.51, for all: P < 0.001). Conclusion: ItchyQoL is now also validated in French, Italian, Polish, Russian, Spanish and Turkish and can be used in clinical trials in countries speaking these languages.

Original languageEnglish (US)
JournalJournal of the European Academy of Dermatology and Venereology
DOIs
StateAccepted/In press - Jan 1 2018

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Pruritus
Skin Diseases
Quality of Life
Dermatology
Language
Prurigo
Lichen Planus
Mycosis Fungoides
Austria
Russia
Contact Dermatitis
Poland
Turkey
Visual Analog Scale
Switzerland
Psoriasis
Reproducibility of Results
Spain
Italy
Tablets

ASJC Scopus subject areas

  • Dermatology
  • Infectious Diseases

Cite this

Zeidler, C., Steinke, S., Riepe, C., Bruland, P., Soto-Rey, I., Storck, M., ... Ständer, S. (Accepted/In press). Cross-European validation of the ItchyQoL in pruritic dermatoses. Journal of the European Academy of Dermatology and Venereology. https://doi.org/10.1111/jdv.15225

Cross-European validation of the ItchyQoL in pruritic dermatoses. / Zeidler, C.; Steinke, S.; Riepe, C.; Bruland, P.; Soto-Rey, I.; Storck, M.; Garcovich, S.; Blome, C.; Bobko, S.; Legat, F. J.; Potekaev, N.; Lvov, A.; Misery, L.; Weger, W.; Reich, A.; Şavk, E.; Streit, M.; Serra-Baldrich, E.; Szepietowski, J. C.; Yosipovitch, Gil; Chen, S. C.; Dugas, M.; Ständer, S.

In: Journal of the European Academy of Dermatology and Venereology, 01.01.2018.

Research output: Contribution to journalArticle

Zeidler, C, Steinke, S, Riepe, C, Bruland, P, Soto-Rey, I, Storck, M, Garcovich, S, Blome, C, Bobko, S, Legat, FJ, Potekaev, N, Lvov, A, Misery, L, Weger, W, Reich, A, Şavk, E, Streit, M, Serra-Baldrich, E, Szepietowski, JC, Yosipovitch, G, Chen, SC, Dugas, M & Ständer, S 2018, 'Cross-European validation of the ItchyQoL in pruritic dermatoses', Journal of the European Academy of Dermatology and Venereology. https://doi.org/10.1111/jdv.15225
Zeidler, C. ; Steinke, S. ; Riepe, C. ; Bruland, P. ; Soto-Rey, I. ; Storck, M. ; Garcovich, S. ; Blome, C. ; Bobko, S. ; Legat, F. J. ; Potekaev, N. ; Lvov, A. ; Misery, L. ; Weger, W. ; Reich, A. ; Şavk, E. ; Streit, M. ; Serra-Baldrich, E. ; Szepietowski, J. C. ; Yosipovitch, Gil ; Chen, S. C. ; Dugas, M. ; Ständer, S. / Cross-European validation of the ItchyQoL in pruritic dermatoses. In: Journal of the European Academy of Dermatology and Venereology. 2018.
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title = "Cross-European validation of the ItchyQoL in pruritic dermatoses",
abstract = "Background: Chronic pruritus (CP) is a frequently occurring symptom in inflammatory dermatoses, causing a high burden and limitations to health-related quality of life (HRQoL). Objective: The ItchyQoL was developed to assess the impairment to HRQoL in patients with CP. However, it has only been validated in English and German. Here, we report the validation in several languages across Europe. Methods: After professional translation, the versions of ItchyQoL were digitized for use as a tablet application. Validation was performed in clinics for dermatology in Austria, France, Germany, Italy, Poland, Russia, Spain, Switzerland and Turkey. Results: Five hundred and thirty-five patients with either contact dermatitis, chronic prurigo – nodular type, psoriasis vulgaris, lichen planus or mycosis fungoides/S{\'e}zary syndrome and with CP ≥ 3 on the numerical rating scale were included. ItchyQoL showed a high level of consistency (Cronbach's-α, all: 0.95) and test-retest reliability (intraclass correlation: 0.91). It strongly correlated with the Dermatology Life Quality Index (r = 0.72, P < 0.001) and moderately correlated with itch intensity scales in the study population (visual analogue scale r = 0.46; numerical rating scale r = 0.51; verbal rating scale r = 0.51, for all: P < 0.001). Conclusion: ItchyQoL is now also validated in French, Italian, Polish, Russian, Spanish and Turkish and can be used in clinical trials in countries speaking these languages.",
author = "C. Zeidler and S. Steinke and C. Riepe and P. Bruland and I. Soto-Rey and M. Storck and S. Garcovich and C. Blome and S. Bobko and Legat, {F. J.} and N. Potekaev and A. Lvov and L. Misery and W. Weger and A. Reich and E. Şavk and M. Streit and E. Serra-Baldrich and Szepietowski, {J. C.} and Gil Yosipovitch and Chen, {S. C.} and M. Dugas and S. St{\"a}nder",
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T1 - Cross-European validation of the ItchyQoL in pruritic dermatoses

AU - Zeidler, C.

AU - Steinke, S.

AU - Riepe, C.

AU - Bruland, P.

AU - Soto-Rey, I.

AU - Storck, M.

AU - Garcovich, S.

AU - Blome, C.

AU - Bobko, S.

AU - Legat, F. J.

AU - Potekaev, N.

AU - Lvov, A.

AU - Misery, L.

AU - Weger, W.

AU - Reich, A.

AU - Şavk, E.

AU - Streit, M.

AU - Serra-Baldrich, E.

AU - Szepietowski, J. C.

AU - Yosipovitch, Gil

AU - Chen, S. C.

AU - Dugas, M.

AU - Ständer, S.

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Background: Chronic pruritus (CP) is a frequently occurring symptom in inflammatory dermatoses, causing a high burden and limitations to health-related quality of life (HRQoL). Objective: The ItchyQoL was developed to assess the impairment to HRQoL in patients with CP. However, it has only been validated in English and German. Here, we report the validation in several languages across Europe. Methods: After professional translation, the versions of ItchyQoL were digitized for use as a tablet application. Validation was performed in clinics for dermatology in Austria, France, Germany, Italy, Poland, Russia, Spain, Switzerland and Turkey. Results: Five hundred and thirty-five patients with either contact dermatitis, chronic prurigo – nodular type, psoriasis vulgaris, lichen planus or mycosis fungoides/Sézary syndrome and with CP ≥ 3 on the numerical rating scale were included. ItchyQoL showed a high level of consistency (Cronbach's-α, all: 0.95) and test-retest reliability (intraclass correlation: 0.91). It strongly correlated with the Dermatology Life Quality Index (r = 0.72, P < 0.001) and moderately correlated with itch intensity scales in the study population (visual analogue scale r = 0.46; numerical rating scale r = 0.51; verbal rating scale r = 0.51, for all: P < 0.001). Conclusion: ItchyQoL is now also validated in French, Italian, Polish, Russian, Spanish and Turkish and can be used in clinical trials in countries speaking these languages.

AB - Background: Chronic pruritus (CP) is a frequently occurring symptom in inflammatory dermatoses, causing a high burden and limitations to health-related quality of life (HRQoL). Objective: The ItchyQoL was developed to assess the impairment to HRQoL in patients with CP. However, it has only been validated in English and German. Here, we report the validation in several languages across Europe. Methods: After professional translation, the versions of ItchyQoL were digitized for use as a tablet application. Validation was performed in clinics for dermatology in Austria, France, Germany, Italy, Poland, Russia, Spain, Switzerland and Turkey. Results: Five hundred and thirty-five patients with either contact dermatitis, chronic prurigo – nodular type, psoriasis vulgaris, lichen planus or mycosis fungoides/Sézary syndrome and with CP ≥ 3 on the numerical rating scale were included. ItchyQoL showed a high level of consistency (Cronbach's-α, all: 0.95) and test-retest reliability (intraclass correlation: 0.91). It strongly correlated with the Dermatology Life Quality Index (r = 0.72, P < 0.001) and moderately correlated with itch intensity scales in the study population (visual analogue scale r = 0.46; numerical rating scale r = 0.51; verbal rating scale r = 0.51, for all: P < 0.001). Conclusion: ItchyQoL is now also validated in French, Italian, Polish, Russian, Spanish and Turkish and can be used in clinical trials in countries speaking these languages.

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