Susceptibility to SPA has been shown to be largely genetically determined. The objective of this study was to prospectively investigate the impact of several environmental factors on disease activity.
Susceptibility to SPA has been shown to be largely genetically determined but the contribution of environmental factors to disease evolution has not yet been elucidated. The objective of this study was to prospectively investigate the impact of several environmental factors on disease activity.
Study Type
OBSERVATIONAL
Enrollment
300
hopital ambroise Pare
Boulogne, France
Score on a disease activity rating scale
Score on a disease activity rating scale (quaterly,than monthly basis)
Time frame: Six years
Ancillary studies will be possible with the available database
Ancillary studies will be possible with the available database
Time frame: six years
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