2019 Update of the Joint European League Against Rheumatism and European Renal Association–European Dialysis and Transplant Association (eular/era–edta) recommendations for the management of lupus nephritis

79
:713–723. doi:10.1136/annrheumdis-2020-216924
Recommendation
box 1 Research agenda in lupus nephritis
diagnosis
►
Clinical presentation, histopathological features, response to 
treatments, prognostic factors and genetic background (eg, 
APOL1
) in various ethnicities.
►
Revision of the International Society of Nephrology/Renal 
Pathology Society classification criteria (under way).
►
Atypical lupus nephritis: podocytopathies and pauci- immune 
lupus nephritis, other forms.
►
Approach to non- lupus (or antinuclear antibody negative) 
full- house glomerulonephritis.
►
Validated definition of kidney flares.