Setting priorities and reducing uncertainties for the treatment of vitiligo

Eleftheriadou, Viktoria (2013) Setting priorities and reducing uncertainties for the treatment of vitiligo. PhD thesis, University of Nottingham.

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Vitiligo is the most common skin disorder resulting in depigmentation, but high-quality research is lacking. A Cochrane review of interventions for vitiligo published in 2010 highlighted methodological limitations with existing trials; which have generally been too small and heterogeneous to inform clinical recommendations.

The objective of this thesis was to improve the evidence base for the treatment of vitiligo.

This PhD was funded by the National Institute for Health Research, as part of the research programme called “Setting Priorities and Reducing Uncertainties for people with Skin Diseases”. It includes the following: 1) identifying the most important research priorities for patients and clinicians, thereby informing the research agenda; 2) conducting a systematic review of outcome measures used in vitiligo trials and a survey of the most desirable outcomes for patients and clinicians; and 3) conducting a pilot double blind, randomised controlled trial (RCT) on home hand-held phototherapy in preparation of the first national multi-centre RCT for the treatment of vitiligo.

For the prioritisation exercise, a total of 660 treatment uncertainties were submitted by 460 patients and clinicians. The identified priority areas included interventions such as combination of topical agents and phototherapy. The systematic review on outcome measures identified 25 different domains that had been used in previous trials. Although percentage repigmentation was measured in 96%; 48 different scales had been used. In contrast, patients and clinicians favoured the use of “cosmetically acceptable” repigmentation. Finally, a 4-month pilot trial recruited 29 participants and tested the logistics of running a future RCT.

This work resulted in a commissioned call and funding of a national RCT on vitiligo (topical corticosteroids in combination with home hand-held phototherapy); the initiation of an international consensus exercise on core outcome measures for use in vitiligo trials; and informed the design and conduct of a future national RCT.

Item Type: Thesis (University of Nottingham only) (PhD)
Supervisors: Thomas, K.S.
Ravenscroft, J.
Subjects: W Medicine and related subjects (NLM Classification) > WR Dermatology
Faculties/Schools: UK Campuses > Faculty of Medicine and Health Sciences > School of Medicine
UK Campuses > Faculty of Medicine and Health Sciences > School of Clinical Sciences
Item ID: 13378
Depositing User: EP, Services
Date Deposited: 17 Oct 2013 10:46
Last Modified: 14 Sep 2016 09:41

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