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  • Küçük Resim
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    Different clinical courses with the same findings: two cases of paroxysmal nocturnal hemoglobinuria presenting with thrombocytopenia
    (2021) Karakuş, Volkan; Kaya, Egemen; Dere, Yelda; Şahin, Fahri
    Paroxysmal nocturnal hemoglobinuria (PNH) is a clonal stem cell disease that manifests with chronic intravascular hemolysis, thrombosis, and bone marrow failure. Various degrees of cytopenias accompany the disease. Although laboratory and clinical findings are similar, the disease may show different courses and require different treatments. Herein, we report two different courses of PNH with similar clinical and laboratory findings.
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    Survival outcomes of hypomethylating agents maintenance therapy in new diagnosed AML patients: Real experience data
    (2022) Karakuş, Volkan; Maral, Senem; Kaya, Egemen; Gemici, Aliihsan; Dere, Yelda; Sevindik, Ömür Gökmen
    OBJECTIVE: Acute myeloid leukemia (AML) is a hematological malignancy that frequently affects elderly population. With introducing the hypomethylating agents (HMAs) in elderly AML treatment, survival rates and quality of life have improved. However, long-term management in elderly and frail patients is still a challenge. In the present study, we aimed to determine whether HMA maintenance therapy is required until disease progression in frail and elderly AML patients by examining with a real-life data. METHODS: In a multicenter study, we analyzed non-promyelocytic elderly AML patients who were treated with first-line azacitidine or decitabine monotherapy in two different groups, retrospectively. While patients were treated with HMA until progression in the maintenance group, 6+3 cycles of azacitidine or decitabine were administered as a standard care of elderly AML patients in the non-maintenance group. Survival outcomes were compared between the groups. RESULTS: HMA therapy was maintained until progression in 20 patients, and HMA therapy was terminated after 6+3 cycles in 21 patients. Patients received a median of 6 (1–14) HMA cycles during follow-up time. The median 7.5 months of overall survival were observed (2–17 months) in maintenance and 3 months (1–13 months) in non-maintenance groups (p=0.001). CONCLUSION: Despite long-term exposure to HMA may appear as a risk factor for complications and toxicities in elderly and frail AML patients, the maintenance of therapy until disease progression provides a significant survival advantage. Therefore, we suggest that HMA therapy should continue until disease progression regardless the sort of HMA.