Publications by authors named "Alper Topal"

Extragonadal germ cell tumours have a more unfavourable prognosis than gonadal germ cell tumours. We aimed to evaluate the survival analysis, response rates, and factors affecting responses to high-dose chemotherapy (HDCT) and autologous stem cell transplantation (ASCT) in patients with relapsed/refractory extragonadal germ cell tumours. This study included patients diagnosed with extragonadal germ cell tumours who underwent HDCT + ASCT between November 2016 and January 2023 at Gülhane Training and Research Hospital.

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: Colorectal cancer (CRC) poses a major global health challenge, with high incidence rates and ongoing treatment debates. Adjuvant chemotherapy benefits for high-risk subgroups, particularly stage II disease, remain controversial. This study seeks to clarify this issue by specifically examining the impact of adjuvant chemotherapy on disease-free survival (DFS) and overall survival (OS) in patients diagnosed with T4 colon cancer.

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Objective: We aimed to investigate response rates, survival analyses and factors affecting survival in patients with relapsed or refractory ovarian germ cell tumours who had previously received multiple lines of treatment, including high-dose chemotherapy (HDC) and autologous stem cell transplantation (ASCT).

Methods: This study was designed as a cross-sectional, retrospective study.

Results: Twenty-one patients were included.

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Introduction: The optimal management of relapsed/refractory germ cell tumors remains unsettled. In this study, we aimed to evaluate the efficacy of high-dose chemotherapy (HDCT) and autologous stem cell transplantation (ASCT) as salvage therapy in patients who progressed after at least one line of cisplatin-based chemotherapy.

Methods: We retrospectively reported the results of 133 patients who underwent HDCT and ASCT as salvage therapy from 2016 to 2021.

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Article Synopsis
  • The MONALEESA-7 study is the only phase 3 research on CDK 4-6 inhibitors for premenopausal patients with hormone receptor-positive, HER2 negative metastatic breast cancer, but there is limited data on palbociclib's effectiveness.
  • Our multicenter, retrospective study included 319 patients to evaluate the effectiveness of palbociclib and ribociclib in first-line treatment and how dose reduction due to neutropenia affects progression-free survival (PFS).
  • Results showed similar median PFS for both drugs (26.83 months for palbociclib and 29.86 months for ribociclib) and no significant impact of dose reduction on effectiveness, with P
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Introduction: This study aimed to assess the role of the adjusted PNI-IMDC risk scoring system in stratifying the intermediate group of metastatic RCC patients who received TKIS in the first-line setting.

Methods: A total of 185 patients were included. The adjusted PNI and IMDC model was used to divide the intermediate group into two groups: intermediate PNI-high and intermediate PNI-low groups.

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Objective: Hereditary cancer syndromes constitute 5-10% of all cancers. The development of next-generation sequencing technologies has made it possible to examine many hereditary cancer syndrome-causing genes in a single panel. This study's goal was to describe the prevalence and the variant spectrum using NGS in individuals who were thought to have a hereditary predisposition for cancer.

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Purpose: In this study, we aimed to compare the data of sunitinib and pazopanib used in the first-line treatment of metastatic renal cell carcinoma (RCC) cases and to evaluate the effective factors in terms of survival.

Methods: The records of 125 patients with metastatic RCC admitted between January 2005 and February 2018 were retrospectively analyzed and 63 patients who received pazopanib or sunitinib were included in the study while 62 patients were excluded due to insufficient data. Clinical and histological characteristics, treatment responses, progression-free survival (PFS), and overall survival (OS) of the patients were compared.

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