Pécs, Hungary
Pécs, Hungary

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Reck M.,Hospital Grosshansdorf | Van Zandwijk N.,University of Sydney | Gridelli C.,Sg Moscati Hospital | Baliko Z.,Baranya County Hospital | And 4 more authors.
Journal of Thoracic Oncology | Year: 2010

Introduction: Erlotinib is a small molecule inhibitor of epidermal growth factor receptor tyrosine-kinase activity that has been shown to significantly increase survival for patients with previously treated advanced non-small cell lung cancer. Here, we report safety and efficacy data from a large, global, open-label, phase IV trial of erlotinib (Tarceva Lung Cancer Survival Treatment). Methods: Patients who had previously failed on chemotherapy or radiotherapy and were unsuitable for these treatments were treated with oral erlotinib (150 mg/d) until disease progression or unacceptable toxicity. Results: The disease control rate was 69% in 5394 patients for whom best response data were available. Survival data were available for 6580 patients. Median progression-free and overall survival times were 3.25 months and 7.9 months, respectively. The 1-year survival rate was 37.7%. Among the 6580 patients included in the safety analysis, 799 (12%) experienced one or more erlotinib-related adverse events (AEs, other than prespecified AEs defined in the protocol), and only 4% experienced an erlotinib-related serious AE. Of the 6580 patients for whom data were available, dose reductions were reported in 1096 (17%), the majority (95%) due to an erlotinib-related AE (most commonly rash 65% or diarrhea 10%). Treatment was discontinued for 337 patients (5%) because of erlotinib-related AEs. Incidence of erlotinib-related rash was investigated as a separate end point. Seventy-one percent of patients for whom data were available experienced erlotinib-related rash; of these, the majority of cases were grade 1/2 (59%). Conclusions: These data confirm the favorable efficacy and safety profile of erlotinib in a large heterogeneous non-small cell lung cancer population. Copyright © 2010 by the International Association for the Study of Lung Cancer.

Par G.,University of Pécs | Szereday L.,University of Pécs | Szereday L.,Janos Szentagothai Research Center | Berki T.,University of Pécs | And 9 more authors.
PLoS ONE | Year: 2013

Background:Chronic hepatitis C (CHC) patients achieving rapid virological response (RVR) on PEG-IFN/ribavirin (P/R) therapy have high chance of sustained virological response (SVR). To analyze host immunological factors associated with RVR, viral kinetics, phenotype distribution and Th1/Th2 cytokine production by peripheral blood mononuclear cells (PBMC) were studied prior to and during P/R therapy.Methods:TNF-α, IFN-γ, IL-2, IL-6, IL-4 and IL-10 production by PBMC were measured after Toll-like receptor 4 (TLR-4) or phorbol myristate acetate/Ionomycin stimulation in 20 healthy controls and in 50 CHC patients before receiving and during P/R therapy. RVR was achieved by 14, complete early virological response (cEVR) by 19 patients and 17 patients were null-responders (NR).Results:Patients with RVR showed an increased baseline TNF-α and IL-6 production by TLR-4 activated monocytes and increased IFN-γ, decreased IL-4 and IL-10 production by lymphocytes compared to non-RVR patients. SVR was also associated with increased baseline TNF-α production and decreased IL-10 levels compared to patients who did not achieve SVR. Baseline IL-2 production was higher in cEVR compared to NR patients. Antiviral treatment increased TNF-α, IL-6 production by monocytes and IFN-γ secretion by lymphocytes and decreased IL-4 and IL-10 production by lymphocytes in cEVR compared to NR patients.Conclusion:RVR was associated with increased baseline proinflammatory cytokine production by TLR-4 stimulated monocytes and by activated lymphocytes. In null-responders and in patients who did not achieve SVR both TLR-4 sensing function and proinflammatory cytokine production were impaired, suggesting that modulation of TLR activity and controlled induction of inflammatory cytokine production may provide further therapeutic strategy for CHC patients non-responding to P/R treatment. © 2013 Par et al.

Baliko Z.,Baranya County Hospital | Sarosi V.,Baranya County Hospital | Varga Z.,Baranya County Hospital | Hegedus G.,Baranya County Hospital | And 2 more authors.
Pathology and Oncology Research | Year: 2011

The spectrum of human diseases caused by members of the Aspergillus genus is extensive. It ranges from allergic reactions to colonization of preexisting pulmonary cavities to invasion and destruction of lung parenchyma with pyemic spread to brain, skin, and other organs, causing rapid death. The immune status of the host is a crucial factor in determining the phenotype and severity of the disease. In this case report Chronic Necrotizing Pulmonary Aspergillosis (CNPA), a rare, locally-or semi-invasive variant of pulmonary Aspergillosis, mimicking lung metastasis is presented. The 60-year-old male patient had earlier received multiple cycles of systemic chemotherapy due to colorectal carcinoma. Our case report focuses on the benefits and the possible disadvantages of PET-CT imaging in CNPA. © Arányi Lajos Foundation 2010.

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