Standardisation of labial salivary gland histopathology in clinical trials in primary Sjögren's syndrome

Fisher, B.A., Jonsson, R., Daniels, T., Bombardieri, M., Brown, R.M., Morgan, P., Bombardieri, S., Ng, W.F., Tzioufas, A.G., Vitali, C., Shirlaw, P., Haacke, E., Costa, S., Bootsma, H., Devauchelle-Pensec, V., Radstake, T.R., Mariette, X., Richards, A., Stack, R. ORCID: 0000-0002-0516-0228, Bowman, S.J. and Barone, F., 2016. Standardisation of labial salivary gland histopathology in clinical trials in primary Sjögren's syndrome. Annals of the Rheumatic Diseases. ISSN 0003-4967

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Abstract

Labial salivary gland (LSG) biopsy is used in the classification of primary Sjögren's syndrome (PSS) and in patient stratification in clinical trials. It may also function as a biomarker. The acquisition of tissue and histological interpretation is variable and needs to be standardised for use in clinical trials. A modified European League Against Rheumatism consensus guideline development strategy was used. The steering committee of the ad hoc working group identified key outstanding points of variability in LSG acquisition and analysis. A 2-day workshop was held to develop consensus where possible and identify points where further discussion/data was needed. These points were reviewed by a subgroup of experts on PSS histopathology and then circulated via an online survey to 50 stakeholder experts consisting of rheumatologists, histopathologists and oral medicine specialists, to assess level of agreement (0–10 scale) and comments. Criteria for agreement were a mean score ≥6/10 and 75% of respondents scoring ≥6/10. Thirty-nine (78%) experts responded and 16 points met criteria for agreement. These points are focused on tissue requirements, identification of the characteristic focal lymphocytic sialadenitis, calculation of the focus score, identification of germinal centres, assessment of the area of leucocyte infiltration, reporting standards and use of prestudy samples for clinical trials. We provide standardised consensus guidance for the use of labial salivary gland histopathology in the classification of PSS and in clinical trials and identify areas where further research is required to achieve evidence-based consensus.

Item Type: Journal article
Publication Title: Annals of the Rheumatic Diseases
Creators: Fisher, B.A., Jonsson, R., Daniels, T., Bombardieri, M., Brown, R.M., Morgan, P., Bombardieri, S., Ng, W.F., Tzioufas, A.G., Vitali, C., Shirlaw, P., Haacke, E., Costa, S., Bootsma, H., Devauchelle-Pensec, V., Radstake, T.R., Mariette, X., Richards, A., Stack, R., Bowman, S.J. and Barone, F.
Publisher: BMJ Group
Date: 13 December 2016
ISSN: 0003-4967
Identifiers:
NumberType
10.1136/annrheumdis-2016-210448DOI
Divisions: Schools > School of Social Sciences
Depositing User: Jonathan Gallacher
Date Added: 16 Dec 2016 09:10
Last Modified: 09 Jun 2017 14:09
URI: http://irep.ntu.ac.uk/id/eprint/29398

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