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Optimal sequential therapy using tyrosine kinase inhibitors as the first-line treatment in patients with metastatic renal cell carcinoma: A nationwide multicenter study

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Asian Journal of Urology 2024年第3期11卷 450-459页

作者： Jung Ki Jo Seong Il Seo MinYong Kang Jinsoo Chung Cheol Kwak Sung-Hoo Hong Cheryn Song Jae Young Park Chang Wook Jeong Seok Hwan Choi Sung Han Kim Eu Chang Hwang Chan Ho lee hakmin lee Department of Urology Medical and Digital EngineeringCollege of MedicineHanyang UniversitySeoulRepublic of Korea Department of Urology Samsung Medical CenterSungkyunkwan University School of MedicineSeoulRepublic of Korea Department of Urology National Cancer CenterGoyangRepublic of Korea Department of Urology Seoul National University HospitalSeoulRepublic of Korea Department of Urology Kangnam St Mary’s HospitalSeoulRepublic of Korea Department of Urology Asan Medical CenterSeoulRepublic of Korea Department of Urology Korea University Ansan HospitalAnsanRepublic of Korea Department of Urology Kyungpook National University HospitalDaeguRepublic of Korea Department of Urology Chonnam National University Hwasun HospitalHwasunRepublic of Korea Department of Urology Inje University Busan Paik HospitalBusanRepublic of Korea Department of Urology Seoul National University Bundang HospitalSeongnamRepublic of Korea

Objective:The purpose of the study was to identify the best sequence of therapy beginning with a tyrosine kinase inhibitor(TKI)as the first-line therapy for patients with metastatic renal cell carcinoma(mRCC)in terms of overall survival(OS),progression-free survival(PFS),and rates of discontinuation and adverse effects during the treatment ***:This is a retrospective,nationwide multicenter study of patients with mRCC after diagnosis at 10 different tertiary medical centers in Korea from January 1992 to December *** focused on patients at either“favorable”or“intermediate”risk according to the International mRCC Database Consortium criteria,and they were followed up(median 335 days).Finally,a total of 1409 patients were selected as the study *** generated a Cox proportional hazard model adjusted for covariates,and the different therapy schemes were statistically tested in terms of OS as well as *** addition,frequencies of discontinuation and adverse events were compared among the therapy ***:Of the primary patterns of treatment sequences(24 sequences),“sunitinib epazopanib”and“sunitinibeeverolimuseimmunotherapy”showed the most beneficial results in both OS and PFS with significantly lower hazards than“sunitinib”,which is the most commonly treated agent in *** that the“TKIeTKI”structure showed relatively higher discontinuation rates with higher adverse effects,the overall beneficial sequence would be“sunitinibeeverolimuseimmunotherapy”.Conclusion:Among several sequential therapy starting with TKIs,“sunitinibeeverolimuse immunotherapy”was found to be the best scheme for mRCC patients with“favorable”or“intermediate”risks.

关键词： Tyrosinekinase inhibitor Metastaticrenalcell carcinoma Overall survival Progression-free survival

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Outcomes of men aged≤50 years treated with radical prostatectomy:a retrospective analysis

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Asian Journal of Andrology 2019年第2期21卷 150-155页

作者： Byeongdo Song hakmin lee Min Seung lee Sung Kyu Hong Department of Urology Seoul National University Bundang HospitalSeongnam 13620Korea Department of Urology Seoul National University College of MedicineSeoul 03080Korea

Previous studies inv estigating prostate can cer(PCa)features in youn ger men have reported con flicting fin *** study aimed to investigate pathologic outcomes and biochemical recurrenee(BCR)status in younger men who underwent radical prostatectomy(RP)for *** of 2057 patients who underwent RP at Seoul National University Bundang Hospital(Seongnam,Korea)between 2006 and 2015 were reviewed;patients were divided according to age into the younger and older groups(men aged50 years,respectively).Postoperative BCR status and functional outcomes and clinicopathologic features were compared betwee n both *** an alyses were repeated after propensity score matchi *** men were more likely to have lowrisk disease(P<0.001),lower pathologic Gleason score(P<0.001)and pathologic stages(P<0.001)than older *** pathologic Gleason score(P=0.002)and rates of extracapsular extension(P=0.004)were lower in younger men after propensity score *** multivariate analysis,age at RP was not an independent predictor of BCR-free survival after RP(P=0.669).Moreover,at 1 year after RP,younger men with preoperative 5?item International Index of Erectile Function score≥22(n=228)showed more favorable results for urinary con tine nee(defi ned as nonuse of pads daily)(99.4%vs 95%,P=0.009)and erections sufficie nt for vaginal in tercourse(81.8%vs 55.5%,P=0.001).Youn ger men had more favorable clinicopathologic features at RP than their older *** age was not an independent predictor of BCR status outcome,younger men had better functional outcomes following RP.

关键词： age group prostate cancer prostatectomy

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Estimation of plasma parameters of X-pinch with time-resolved x-ray spectroscopy

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Matter and Radiation at Extremes 2023年第3期8卷 34-46页

作者： Seunggi Ham Jonghyeon Ryu hakmin lee Sungbin Park Y.-C.Ghim Y.S.Hwang Kyoung-Jae Chung Department of Energy Systems Engineering Seoul National UniversitySeoul 08826South Korea Department of Nuclear and Quantum Engineering KAISTDaejeon 34141South Korea

We estimate the parameters of a Cu plasma generated by an X-pinch by comparing experimentally measured x-rays with synthetic data.A filtered absolute extreme ultraviolet diode array is used to measure time-resolved x-ray spectra with a spectral resolution of∼1 keV in the energy range of 1–10 *** synthetic spectra of Cu plasmas with different electron temperatures,electron densities,and fast electron fractions are calculated using the FLYCHK *** quantitative comparison with the measured spectrum,two x-ray power ratios with three different spectral ranges are *** observe three x-ray bursts in X-pinch experiments with two Cu wires conducted on the SNU X-pinch at a current rise rate of∼0.2 kA/*** of the spectra reveals that the first burst comprises x-rays emitted by hot spots and electron beams,with characteristics similar to those observed in other *** second and third bursts are both generated by longlived electron beams formed after the neck structure has been completely *** the second burst,the formation of the electron beam is accompanied by an increase in the electron density of the background ***,the long-lived electron beams generate the additional strong x-ray bursts while maintaining a plasma channel in the central region of the ***,they emit many hard x-rays(HXRs),enabling the SNU X-pinch to be used as an HXR *** study confirms that the generation of long-lived electron beams is crucial to the dynamics of X-pinches and the generation of strong HXRs.

关键词： resolved parameters absolute

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