Systemic lupus erythematosus in Aboriginal and Torres Strait Islander peoples in Australia: addressing disparities and barriers to optimising patient care.

The first inhabitants of Australia and the traditional owners of Australian lands are the Aboriginal and Torres Strait Islander peoples. Aboriginal and Torres Strait Islander peoples are two to four times more likely to have systemic lupus erythematosus (SLE) than the general Australian population. Phenotypically, SLE appears distinctive in Aboriginal and Torres Strait Islander peoples and its severity is substantially increased, with mortality rates up to six times higher than in the general Australian population with SLE. In particular, Aboriginal and Torres Strait Islander peoples with SLE have increased prevalence of lupus nephritis and increased rates of progression to end-stage kidney disease. The reasons for the increased prevalence and severity of SLE in this population are unclear, but socioeconomic, environmental, and biological factors are all likely to be implicated, although there are no published studies investigating these factors in Aboriginal and Torres Strait Islander peoples with SLE specifically, indicating an important knowledge gap. In this Review, we summarise the data on the incidence, prevalence, and clinical and biological findings relating to SLE in Aboriginal and Torres Strait Islander peoples and explore potential factors contributing to its increased prevalence and severity in this population. Importantly, we identify health disparities and deficiencies in health-care provision that limit optimal care and outcomes for many Aboriginal and Torres Strait Islander peoples with SLE and highlight potentially addressable goals to improve outcomes.
Competing Interests: Declaration of interests FBV has received support from Janssen-Cilag and CSL for projects described in the scope of this Review and from Pfizer, Lupus Research Alliance, and SomaLogic for conference or meeting sponsorship. SK has received support from Pfizer for conference sponsorship. AYH has received support from Arthritis Australia, Perpetual IMPACT fund, AstraZeneca, Bristol Myers Squibb, Merck Serono, GSK, Eli Lilly, Union Chimique Belge (UCB), and Janssen. AYH also received honoraria from Novartis, Janssen, and Recordati. EFM has received grant or research support from AbbVie, Amgen, Biogen, AstraZeneca, Bristol Myers Squibb, Janssen, Eli Lilly, EMD Serono, Genentech, GSK, and UCB. EFM received consultant fees from EMD Serono, AstraZeneca, Biogen, Bristol Myers Squibb, Eli Lilly, Genentech, GSK, Janssen, Novartis, AbbVie, Galapagos, and IgM; honoraria from AstraZeneca, Biogen, Bristol Myers Squibb, EMD Serono, and Gilead; and travel support from AstraZeneca. EFM is Board Director of Rare Voices Australia, a not-for-profit organisation. MR received research grants for SLE clinical trials from AbbVie, Amgen, AstraZeneca, Bristol Myers Squibb, GSK, Janssen, Lilly, Novartis, Pfizer, Servier, and UCB. MR received consulting fees from AbbVie, Boehringer Ingelheim, Janssen Global Services, Novartis, and Pfizer.
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