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Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
Published on: June 8, 2022
Hydroxychloroquine: a multifaceted treatment in lupus.
Nathalie Costedoat-Chalumeau1, Bertrand Dunogué1, Nathalie Morel1
1AP-HP, université René-Descartes Paris V, hôpital Cochin, centre de référence maladies auto-immunes et systémiques rares, pôle médecine, service de médecine interne, 75679 Paris cedex 14, France.
Hydroxychloroquine (HCQ) effectively prevents systemic lupus erythematosus (SLE) flares and offers survival benefits. Despite its advantages, HCQ use in SLE patients remains low, highlighting a need for increased prescription.
Area of Science:
- Rheumatology
- Immunology
- Pharmacology
Background:
- Hydroxychloroquine (HCQ) is a proven antimalarial for preventing systemic lupus erythematosus (SLE) flares.
- Despite demonstrated efficacy, HCQ prescription rates in SLE patients are suboptimal.
- HCQ's mechanism involves blocking toll-like receptors 7 and 9, inhibiting crucial interferon-alpha production in SLE pathogenesis.
Purpose of the Study:
- To review the benefits and risks of hydroxychloroquine (HCQ) in managing systemic lupus erythematosus (SLE).
- To highlight the importance of HCQ adherence and its role in improving patient outcomes.
- To emphasize the favorable risk-benefit profile of HCQ for SLE patients.
Main Methods:
- Literature review of studies on hydroxychloroquine (HCQ) in systemic lupus erythematosus (SLE).
- Analysis of HCQ's pharmacological and pharmacokinetic properties.
- Evaluation of HCQ's efficacy, safety, and impact on SLE patient survival and comorbidities.
Main Results:
- HCQ reduces SLE flares, damage accrual, and comorbidities like diabetes and thrombotic events.
- Low or undetectable blood HCQ levels indicate non-adherence, a factor impacting treatment effectiveness.
- Retinal toxicity is the primary, though rare, contraindication, necessitating regular screening.
Conclusions:
- The risk-benefit ratio of HCQ in SLE is excellent, with recommended use during pregnancy and breastfeeding.
- HCQ offers significant benefits including improved survival and protection against comorbidities.
- There is a strong rationale for offering HCQ to all systemic lupus erythematosus patients.
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