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  • Küçük Resim
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    Differences between hyperprogressive disease and progressive disease in patients receiving immunotherapy
    (Kare Publishing, 2022) Yıldırım, Hasan Çağrı; Güven, Deniz Can; Aktepe, Oktay Halit; Taban, Hakan; Yılmaz, Feride; Yaşar, Serkan; Aktaş, Burak Yasin; Güner, Gürkan; Dizdar, Ömer; Aksoy, Sercan; Erman, Mustafa; Yalçın, Suayib; Kılıçkap, Saadettin
    Objectives: Although immune checkpoint inhibitors (ICIs) became a vital part of cancer care, many patients do not respond to treatment. In this group, a few of the patients with a hyperprogressive disease (HPD) have shorter overall survival (OS) compared with those having a progressive disease (PD). Therefore, biomarkers are needed to differentiate HPD and PD. Methods: Ninety-five patients treated with ICIs with progression according to response evaluation criteria ın solid tumors criteria in the first control imaging were included. HPD was defined according to Russo's work. The PILE scoring system, which includes pan-immune-inflammation value, lactate dehydrogenase, and Eastern Cooperative Oncology Group PS, was followed. The relationship between PILE score and HPD was analyzed. Results: The median OS of all cohorts was 11.18 months. The patients in the HPD group had decreased OS (4.77 vs. 13.94 months, p<0.001) and progression-free survival (PFS) (1.89 vs. 3.16 months, p<0.001) compared with those in the PD group. The risk of HPD was higher than the risk of PD in patients with a high PILE score (p=0.001). Conclusion: In this study, we showed that patients treated with ICI with a higher PILE score are at greater risk for HPD. The PILE score may be a biomarker to differentiate HPD from PD. © 2022 by Eurasian Journal of Medicine and Oncology.
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    Pazopanib-induced chylothorax in a patient with renal cell carcinoma
    (Wolters Kluwer, 2022) Köylü, Bahadır; Tekin, Fatih; Aktaş, Burak Yasin; Kılıçkap, Saadettin; Köksal, Deniz
    Pazopanib is an oral multi-kinase inhibitor approved for the treatment of advanced renal cell carcinoma (RCC). It is an anti-angiogenic agent, which blocks the activation signaling pathways of tyrosine kinases and prevents the activities of primarily vascular endothelial growth factor receptors (VEGFR)-2 and VEGFR-3, which are important in lymphangiogenesis. Herein, we report a patient with advanced RCC who developed asymptomatic left-sided chylothorax under pazopanib therapy. Chylothorax developed in the 16th month and gradually increased until it was diagnosed by thoracentesis in the 22nd month. The development of chylothorax was attributed to pazopanib therapy after ruling out all possible traumatic and nontraumatic etiologies. The 'Adverse Drug Reaction Probability Scale' revealed a total score of 6, which fell into 'probable' category. Chylothorax regressed significantly 5 weeks after the discontinuation of pazopanib therapy.