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Long-term data on tacrolimus treatment in lupus nephritis.
MedLine Citation:
PMID:  24996908     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: Calcineurin inhibitors are effective immunosuppressants. They also reduce proteinuria in glomerular diseases but are potentially nephrotoxic. Short-term data suggest that tacrolimus (TAC) combined with corticosteroids is effective in LN, but long-term data are lacking. This study examined the long-term outcomes and tolerability of TAC for the treatment of LN.
METHODS: We retrospectively reviewed 29 LN patients who received TAC treatment for 46.9 months (s.d. 37.9).
RESULTS: In 17 patients with class III/IV or V LN and persistent proteinuria >2 g/day despite induction immunosuppression, response rates after 12 and 24 months of add-on TAC treatment were 66.7% and 80.0%, respectively. In 10 patients with nephrotic syndrome due to class V LN who were given prednisolone and TAC as initial treatment, the response rate was 60.0% and 90.0% after 12 and 24 months, respectively. TAC facilitated steroid minimization in two patients with lupus podocytopathy. As a group, proteinuria decreased from 3.6 g/day (s.d. 2.6) to 1.0 (s.d. 1.1) (P < 0.05). Four patients developed end-stage renal failure, with 3-, 5- and 8-year renal survival rates of 93%, 83% and 83%, respectively. In the remaining patients, serum creatinine and estimated GFR remained stable after 36 months. One patient with pre-existing chronic renal failure developed TAC nephrotoxicity. Four renal flares occurred, all associated with low TAC blood levels. Six patients (20.1%) had deterioration of hypertension and one patient (3.4%) had new-onset diabetes mellitus. Six patients (20.1%) had infections that required hospitalization. Two deaths occurred: one due to pneumonia and one to breast cancer.
CONCLUSION: The results suggest efficacy of TAC in LN, especially in reducing proteinuria, and its role as a long-term maintenance agent warrants further investigation.
Authors:
Desmond Y H Yap; Maggie K M Ma; Maggie M Y Mok; Lorraine P Y Kwan; Gary C W Chan; Tak Mao Chan
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-7-4
Journal Detail:
Title:  Rheumatology (Oxford, England)     Volume:  -     ISSN:  1462-0332     ISO Abbreviation:  Rheumatology (Oxford)     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-7-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100883501     Medline TA:  Rheumatology (Oxford)     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© The Author 2014. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For Permissions, please email: journals.permissions@oup.com.
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