Tıp Fakültesi / Faculty of Medicine

Permanent URI for this collectionhttps://hdl.handle.net/11727/1403

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    Tyrosine kinase inhibitors in the treatment of metastatic renal cell cancer patients with early cytokine intolerance: TURCOS, a Turkish national, prospective observational study
    (2020) Benekli, Mustafa; Gumus, Mahmut; Ozkan, Metin; Dane, Faysal; Elkiran, Emin T.; Cicin, Irfan; Sevinc, Alper; Aliustaoglu, Mehmet; Isikdogan, Abdurrahman; Meydan, Nezih; Oksuzoglu, Berna; Ozyilkan, Ozgur; Artac, Mehmet; Ozdemir, Feyyaz; Kilickap, Sadettin; 0000-0001-8825-4918; 33050804; AAD-2817-2021
    Objective Cytokines have been the mainstay of treatment in metastatic renal cell cancer (mRCC) for decades before the introduction of tyrosine kinase inhibitors (TKIs), which dramatically changed the therapeutic landscape in these patients. This observational study was designed to evaluate use of TKIs in the treatment of cytokine-intolerant mRCC patients. Methods A total of 151 cytokine-intolerant mRCC patients who were treated with TKIs (sunitinib, pazopanib and sorafenib) were enrolled in this prospective, non-interventional, multi-center observational study at 16 oncology centers across Turkey. Mean (SD) age was 61.3 (11.1) years and 74.8% were males. Data on duration of TKI treatment was the primary outcome measure. Additionally, overall response rate (ORR), progression free survival (PFS), overall survival (OS) and safety data were recorded. Results Median duration of treatment was 8.2 months at a median follow up of 17.9 months. ORR and disease control rate were 12.5% and 70.8%, respectively. Median PFS and OS were 7.5 months (95%CI: 6.4-10.4) and 27.3 months (95%CI: 17.6-27.3) with no significant difference among three TKI agents in terms of treatment duration, ORR, PFS and OS. The most common adverse events excluding progression-which was the protocol requirement were diarrhea (13.6%), asthenia (13.6%) and hand-foot syndrome (12.6%). Dose modifications were required in 30.5% of the patients and 15% discontinued TKIs because of toxicity. Conclusions Our findings confirm the efficacy and safety profile of TKIs in the first-line treatment of mRCC patients intolerant to cytokine treatment. There was no significant difference among three TKI agents in terms of treatment duration, ORR, PFS and OS.
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    Effect of type 2 diabetes mellitus on efficacy and safety of therapeutic apheresis for severe hypertriglyceridemia
    (2020) Bagir, Gulay Simsek; Bakiner, Okan Sefa; Haydardedeoglu, Filiz Eksi; Araz, Filiz; Ertorer, Melek Eda; Kozanoglu, Ilknur; 0000-0001-7357-8709; 0000-0002-5268-1210; 0000-0003-0780-5680; 0000-0002-0179-9673; 33098371; AAK-5525-2021; ABI-3393-2020; ABI-3705-2020; AAE-1241-2021; AAJ-9184-2021; AAK-5003-2021
    The efficacy and safety of triglyceride (TG) apheresis in patients with type 2 diabetes mellitus (DM) is unclear. Diabetic complications may predispose patients to adverse events (AEs) associated with the apheresis procedure, and diabetic dyslipidemia may negatively affect the efficacy of therapeutic apheresis (TA). We investigated the effect of DM on the efficacy and complications of TA. Patients with severe hypertriglyceridemia who underwent apheresis for treatment or for the prevention of acute pancreatitis were included in this retrospective study. Epidemiological data, lipid parameters, and AEs were recorded before and after each therapeutic session. A total of 166 procedures were performed in 27 patients. Group 1 included 17 patients with type 2 DM, and Group 2 included 10 patients without DM. The mean percentage decrease in TG levels (TG%) was higher in Group 1 (71.9% vs 60.6%, P < .001). The TG% was negatively correlated with the duration of DM in Group 1 (r = -.49, P < .001). The total number of TA sessions was 142 in patients who underwent double filtration plasmapheresis and 24 in patients who underwent therapeutic plasma exchange. We observed 9 (5.4%) mild-to-moderate AEs. No intergroup difference was observed in the total number of AEs (P = .06). TA is safe and effective in patients with type 2 DM with severe hypertriglyceridemia.