Document Detail

The effect of methylprednisolone on proliferation of PBMCs obtained from steroid-sensitive and steroid-resistant rheumatoid arthritis patients.
MedLine Citation:
PMID:  17657668     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Glucocorticoids (GCs) are among the most frequently used drugs for the treatment of rheumatoid arthritis (RA). Unfortunately, up to 30% of patients with RA fail to respond to the treatment. We investigated the hypothesis that patients with RA who did not respond to GC treatment have steroid-resistant peripheral blood mononuclear cells (PBMCs). METHODS: Forty-four patients with RA were enrolled in the study. PBMCs were isolated from blood samples. The effect of methylprednisolone (MP) on the proliferation of stimulated cells was measured. After taking the blood samples, 10 days of MP therapy (20 mg i.v.) was started, in order to classify the patients into either a GC-sensitive (RA/GCS) or a GC-resistant (RA/GCR) group. RESULTS: A quarter of our patients did not show any improvement after short-term GC therapy and were assigned to the RA/GCR group. The inhibition of PBMC proliferation after MP treatment was significantly lower in the RA/GCR as compared to the RA/GCS group. CONCLUSION: Based on the close relationship between clinically observed GC resistance and a diminished response of PBMCs to MP treatment, we conclude that measurement of the steroid sensitivity of PBMCs may be a useful tool in predicting the therapeutic effect of GC in patients with RA.
P Sliwinska-Stanczyk; J Pazdur; M Ziolkowska; J Jaworski; E Kaminska-Tchorzewska; J K Lacki
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Scandinavian journal of rheumatology     Volume:  36     ISSN:  0300-9742     ISO Abbreviation:  Scand. J. Rheumatol.     Publication Date:    2007 May-Jun
Date Detail:
Created Date:  2007-07-27     Completed Date:  2007-08-09     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0321213     Medline TA:  Scand J Rheumatol     Country:  Norway    
Other Details:
Languages:  eng     Pagination:  167-71     Citation Subset:  IM    
Department of Rheumatic Diseases, Institute of Rheumatology, Warsaw, Poland.
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MeSH Terms
Arthritis, Rheumatoid / blood,  drug therapy*
Cell Proliferation / drug effects
Drug Resistance
Glucocorticoids / pharmacology*
Leukocytes, Mononuclear / cytology,  drug effects*
Methylprednisolone / pharmacology*
Middle Aged
Reg. No./Substance:
0/Glucocorticoids; 83-43-2/Methylprednisolone

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