11 research outputs found

    Evaluation des manifestations vésico-sphinctériennes dans la sclérodermie systémique

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    BESANCON-BU Médecine pharmacie (250562102) / SudocSudocFranceF

    Intérêt du dosage des anticorps anti-cytoplasme des polynucléaires neutrophiles dans la maladie de Horton

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    BESANCON-BU Médecine pharmacie (250562102) / SudocPARIS-BIUM (751062103) / SudocSudocFranceF

    Anticancer therapy in patients with porphyrias: evidence today.

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    International audienceBACKGROUND: Porphyrias are rare diseases, and for these patients every administration of drugs may induce an acute attack of porphyria. The list of safe compounds allowed in these patients is available for clinicians from specific websites cited in the text. OBJECTIVES: However, data concerning anticancer therapy in patients with such diseases remain poor. Therefore any publications can help clinicians to deal with this very specific group of patients. METHODS: In our institution, three patients received docetaxel and hematologic growth factors (erythropoietin and GCSF) without unexpected toxicities. Aromatase inhibitors (anstrozole and letrozole) were also given in one patient without any related problem. CONCLUSION: The present observation adds some useful data for the possible treatment of cancer in patients with porphyria

    Involvement and prognosis value of CD8+ T cells in giant cell arteritis

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    IF 7.760International audienceCD8(+) T cells participate in the pathogenesis of some vasculitides. However, little is known about their role in Giant Cell Arteritis (GCA). This study was conducted to investigate CD8(+) T cell involvement in the pathogenesis of GCA.Analyses were performed at diagnosis and after 3 months of glucocorticoid treatment in 34 GCA patients and 26 age-matched healthy volunteers . Percentages of CD8(+) T-cell subsets, spectratype analysis of the TCR v beta families of CD8(+) T cells, levels of cytokines and chemokines and immunohistochemistry of temporal artery biopsies (TAB) were assessed.Among total CD8+ T cells, percentages of circulating cytotoxic CD8 T lymphocytes (CTL, CD3(+)CD8(+)perforin(+)granzymeB(+)), Tc17 (CD3(+)CD8(+)IL-17(+)), CD63(+)CD8(+) T cells and levels of soluble granzymes A and B were higher in patients than in controls, whereas the percentage of Tc1 cells (CD3(+)CD8(+)IFN-gamma(+)) was similar. Moreover, CD8+ T cells displayed a restricted TCR repertoire in GCA patients. Percentages of circulating CTL, Tc17 and soluble levels of granzymes A and B decreased after treatment. CXCR3 expression on CD8(+) T cells and its serum ligands (CXCL9, -10, -11) were higher in patients. Analyses of TAB revealed high expression of CXCL9 and -10 associated with infiltration by CXCR3(+)CD8(+) T cells expressing granzyme B and TiA1. The intensity of the CD8 T-cell infiltrate in TAB was predictive of the severity of the disease.This study demonstrates the implication and the prognostic value of CD8(+) T-cells in GCA and suggests that CD8(+) T-cells are recruited within the vascular wall through an interaction between CXCR3 and its ligands. (C) 2016 Elsevier Ltd. All rights reserved

    Reducing the Initial Number of Rituximab Maintenance-Therapy Infusions for ANCA-associated Vasculitides: Randomized-Trial Post-Hoc Analysis

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    Abstract Objective The randomized, controlled MAINRITSAN2 trial was designed to compare the capacity of an individually tailored therapy [randomization day 0 (D0)], with reinfusion only when CD19+ lymphocytes or ANCA had reappeared, or if the latter's titre rose markedly, with that of five fixed-schedule 500-mg rituximab infusions [D0 + D14, then months (M) 6, 12 and 18] to maintain ANCA-associated vasculitis (AAV) remissions. Relapse rates did not differ at M28. This ancillary study was undertaken to evaluate the effect of omitting the D14 rituximab infusion on AAV relapse rates at M12. Methods MAINRITSAN2 trial data were subjected to post-hoc analyses of M3, M6, M9 and M12 relapse-free survival rates in each arm as primary end points. Exploratory subgroup analyses were run according to CYC or rituximab induction and newly diagnosed or relapsing AAV. Results At M3, M6, M9 and M12, respectively, among the 161 patients included, 79/80 (98.8%), 76/80 (95%), 74/80 (92.5%) and 73/80 (91.3%) from D0, and 80/81 (98.8%), 78/81 (96.3%), 76/81 (93.8%) and 76/81 (93.8%) from D0+D14 groups were alive and relapse-free. No between-group differences were observed. Results were not affected by CYC or rituximab induction, or newly diagnosed or relapsing AAV. Conclusions We were not able to detect a difference between the relapse-free survival rates for up to M12 for the D0 and D0+D14 rituximab-infusion groups, which could suggest that omitting the D14 rituximab remission-maintenance dose did not modify the short-term relapse-free rate. Nevertheless, results at M12 may also have been influenced by the rituximab-infusion strategies for both groups
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