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ÖZTÜRK BELİK, HAZEL

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ÖZTÜRK BELİK

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HAZEL

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    Tocilizumab treatment in covid-19: A prognostic study using propensity score matching
    (Wroclaw Medical Univ, 2022-08-11) Güçlü, Özge Aydın; Önal, Uğur; Akalın, Halis; Öztürk, Nilüfer Aylin Acet; Belik, Hazel Öztürk; Demirdoğen, Ezgi; Dilektaşlı, Aslı Görek; Kazak, Esra; Ocakoğlu, Gökhan; Sağlık, İmran; Coşkun, Funda; Ediger, Dane; Heper, Yasemin; Ursavaş, Ahmet; Yılmaz, Emel; Uzaslan, Esra; Karadağ, Mehmet; AYDIN GÜÇLÜ, ÖZGE; ÖNAL, UĞUR; AKALIN, EMİN HALİS; ACET ÖZTÜRK, NİLÜFER AYLİN; ÖZTÜRK BELİK, HAZEL; DEMİRDÖĞEN, EZGİ; GÖREK DİLEKTAŞLI, ASLI; KAZAK, ESRA; OCAKOĞLU, GÖKHAN; SAĞLIK, İMRAN; COŞKUN, NECMİYE FUNDA; EDİGER, DANE; HEPER, YASEMİN; URSAVAŞ, AHMET; YILMAZ, EMEL; UZASLAN, AYŞE ESRA; KARADAĞ, MEHMET; Tıp Fakültesi; 0000-0003-1005-3205; 0000-0001-6194-3254; 0000-0001-7530-1279; 0000-0002-6375-1472; 0000-0002-7400-9089; 0000-0001-7099-9647; 0000-0002-1114-6051; 0000-0003-0864-4989; 0000-0003-3604-8826; 0000-0002-2954-4293; 0000-0003-1785-3539; 0000-0002-9027-1132; AAG-8744-2021; AAD-1271-2019; JCO-3678-2023; AAH-5180-2021; JPK-7012-2023; ACQ-7832-2022; AAU-8952-2020; AAI-3169-2021; AAG-9930-2019; Z-1424-2019; GQC-6764-2022; DTT-7416-2022
    Background. The potential role of interleukin-6 (IL-6) in coronavirus disease 2019 (COVID-19) pneumonia provides the rationale for investigating IL-6 signaling inhibitors.Objectives. To evaluate and report treatment responses to tocilizumab (TCZ) in COVID-19 patients and compare mortality outcomes with those of standard care.Materials and methods. Patients hospitalized with a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, diagnosed with reverse transcription polymerase chain reaction (RT-PCR) between March 2020 and April 2021, were enrolled in this single-center retrospective cohort study. Propensity score matching was performed in order to reduce confounding effects secondary to imbalances in receiving TCZ treatment.Results. A total of 364 patients were included in this study. Two hundred thirty-six patients received standard care, while 128 patients were treated with TCZ in addition to standard care (26 (20.3%) patients received a dose of 400 mg intravenously once, while 102 (79.7%) patients received a total dose of 800 mg intravenously). In the propensity score-matched population, less noninvasive mechanical ventilation (p = 0.041) and mechanical ventilation support (p = 0.015), and fewer deaths (p = 0.008) were observed among the TCZ-treated patients. The multivariate adjusted Cox regression model showed a significantly higher survival rate among TCZ patients compared to controls (hazard ratio (HR): 0.157, 95% confidence interval (95% CI): 0.026-0.951; p = 0.044). The hazard ratio for mortality in the TCZ group was 0.098 (95% CI: 0.030-0.318; p = 0.0001 using log-rank test).Conclusions. This study determined that TCZ treatment in COVID-19 patients was associated with better survival, reduced need for mechanical ventilation and reduced hospital-associated mortality.