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Evaluation of Scanoskin for the Assessment of Vitiligo

2017-05-01 10:22:33 | BioPortfolio

Summary

The aim of this study is to establish whether the use of a special digital camera (SIAscopy) can provide an accurate and reliable measure of vitiligo which is at least equivalent to the current gold standard of planimetry. If so, SIAscopy could be used as an objective diagnostic and prognostic tool in the management of vitiligo patients within dermatology departments and allow a fair and accurate assessment of new potential treatments.

Description

Vitiligo is a common, disfiguring skin complaint which affects between 0.5 and 2% of the world population and which presents with de-pigmented patches of skin. Highly stigmatising it has a profound psychological impact on those affected and negatively impacts quality of life. Efficacy of current therapies which include topical steroids/calcineurin inhibitors and ultraviolet light are limited and new treatments are required. Numerous papers including the 2010 Cochrane review have highlighted the need for a consensus on outcome measures which could then facilitate meta-analyses and provide robust clinical recommendations. No standard method of measuring skin re-pigmentation has been identified to date and current best practice relies on clinician assessment and use of various non-standardised grading systems (of which there are over 40 none of which has been proven superior or accepted by the consensus of clinicians) and in addition are neither robust nor objective. Measurement of skin pigment levels can be achieved using portable devices such as Spectrophotometric Intracutaneous Analysis scope (SIAscope) using an imaging modality called ScanoskinTM. Unlike other digital methods reported in the literature, this has been validated as a quantitative measure of melanin content in the skin, it is portable, easy to use and not prohibitively expensive. The aim of this study is to determine if ScanoskinTM is equivalent to the current gold standard of planimetry (mainly used in research setting) for establishing extent of vitiligo. In addition the investigators want to assess whether it offers a more objective standardised measure of vitiligo compared with clinician assessment (current accepted best clinical practice) which could then be utilised to provide a meaningful assessment of new and existing treatment modalities. In addition the investigators will assess whether ScanoskinTM is able to identify subclinical disease which could affect clinical decisions regarding treatment strategies and also assess whether improvements in pigmentation correlate with patient satisfaction and quality of life scores.

Study Design

Conditions

Vitiligo

Location

Chelsea and Westminster Hospital
London
United Kingdom
SW10 9NH

Status

Recruiting

Source

Chelsea and Westminster NHS Foundation Trust

Results (where available)

View Results

Links

Published on BioPortfolio: 2017-05-01T10:22:33-0400

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Leucotrichia in Vitiligo

The incidence of leucotrichia has been reported to range from 9 to 48.4% of all vitiligo patients.Leucotrichia is more often observed in segmental vitiligo with a very high percentage. How...

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Vitiligo is a chronic acquired disease characterized by well defined white macules and patches affecting the skin. There are many treatment modalities available for vitiligo, however, none...

Gut Microbiome and Metabolic Pathways Changes in Vitiligo

Vitiligo is a chronic depigmenting autoimmune-associated skin disease and a growing psychological health concern because of its low quality of life. Genetics, immunology and environment tr...

Narrowband UVB Treatment in Patients With Vitiligo

The study offers narrowband UVB light therapy to patients who have 5% of their body involved with vitiligo. The hypothesis is that Narrowband UVB promotes melanocyte proliferation in viti...

Determining the Tolerance of Depigmented Skin to Targeted Phototherapy Using UVB in Patients With Vitiligo

The purpose of this study is to determine if vitiligo patients develop tolerance to ultraviolet light therapy, a type of treatment available for vitiligo.

PubMed Articles [68 Associated PubMed Articles listed on BioPortfolio]

Comparative analysis of the body surface area calculation method used in vitiligo extent score vs the hand unit method used in vitiligo area severity index.

Vitiligo Area and Severity Index (VASI) is standing on the top of the cited and implemented scoring tools for vitiligo. However, an easily applicable and time-saving tool has been a need.

The Genetic Architecture of Vitiligo.

Vitiligo is an autoimmune disease in which destruction of skin melanocytes results in patches of white skin and hair. Genome-wide linkage studies and GWAS in European ancestry cases identified over 50...

Open Label Pilot Study of 2% Tofacitinib for the Treatment of Refractory Vitiligo.

Treatment options for vitiligo are limited and many cases remain refractory to first and second line treatments. Interferon-gamma signaling mediated by Janus kinase (JAK) has been implicated in the pa...

The relationship between stress and vitiligo: Evaluating perceived stress and electronic medical record data.

Vitiligo is a T-cell mediated skin disorder characterized by progressive loss of skin color. In individuals genetically predisposed to the disease, various triggers contribute to the initiation of vit...

Site-oriented depigmentation in vitiligo patients using Q-switched Nd:YAG laser (1064/532nm), cryotherapy and chemical peels: A comparative study.

Depigmentation emerges as a feasible solution for vitiligo universalis and refractory cases of vitiligo vulgaris that hinder patients' quality of life. A range of depigmenting modalities have previous...

Medical and Biotech [MESH] Definitions

Pigmenting photosensitizing agent obtained from several plants, mainly Psoralea corylifolia. It is administered either topically or orally in conjunction with ultraviolet light in the treatment of vitiligo.

A vasodilator that also has bronchodilatory action. It has been employed in the treatment of angina pectoris, in the treatment of asthma, and in conjunction with ultraviolet light A, has been tried in the treatment of vitiligo. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1024)

A disorder consisting of areas of macular depigmentation, commonly on extensor aspects of extremities, on the face or neck, and in skin folds. Age of onset is often in young adulthood and the condition tends to progress gradually with lesions enlarging and extending until a quiescent state is reached.

A syndrome characterized by bilateral granulomatous UVEITIS with IRITIS and secondary GLAUCOMA, premature ALOPECIA, symmetrical VITILIGO, poliosis circumscripta (a strand of depigmented hair), HEARING DISORDERS, and meningeal signs (neck stiffness and headache). Examination of the cerebrospinal fluid reveals a pattern consistent with MENINGITIS, ASEPTIC. (Adams et al., Principles of Neurology, 6th ed, p748; Surv Ophthalmol 1995 Jan;39(4):265-292)

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