排序方式: 共有51条查询结果,搜索用时 203 毫秒
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Daniel P. Petrylak MD Nicholas J. Vogelzang MD Kamal Chatta MD Mark T. Fleming MD David C. Smith MD Leonard J. Appleman MD PhD Arif Hussain MD Manuel Modiano MD Parminder Singh MD Scott T. Tagawa MD Ira Gore MD Edward F. McClay MD Anthony E. Mega MD A. Oliver Sartor MD Bradley Somer MD Raymond Wadlow MD Neal D. Shore MD William C. Olson PhD Nancy Stambler DrPH Vincent A. DiPippo PhD Robert J. Israel MD 《The Prostate》2020,80(1):99-108
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Earlier use of androgen receptor‐axis‐targeted drugs may improve overall survival in patients with non‐metastatic castration‐resistant prostate cancer 下载免费PDF全文
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《Clinical genitourinary cancer》2020,18(2):148-154
BackgroundCirculating tumor DNA (ctDNA), which can be assessed by liquid biopsy, can provide valuable genomic information that may affect treatment response in prostate cancer. The aim of this study was to characterize TP53 mutations and treatment history in prostate cancer.Patients and MethodsThis study included 143 patients with metastatic castration-resistant prostate cancer who had undergone ctDNA sequencing via Guardant360 testing. The presence or absence of TP53 mutations was analyzed along with treatment history for this group. TP53 mutations were further classified as gain of function (GOF) or not GOF, and analyzed with prior therapies.ResultsChi-square analysis was performed for treatment history and TP53 status (further specified as all TP53 mutations or only TP53 GOF mutations). There were no associations between prior receipt of abiraterone/enzalutamide therapy and all TP53 mutations, or between docetaxel therapy and all TP53 mutations. However, TP53 GOF mutations had a positive association with prior abiraterone/enzalutamide therapy (P = .047). There was no association of TP53 GOF mutations with prior docetaxel therapy. The most frequent alterations co-occurring with all TP53 mutations were in AR, BRAF, EGFR, MYC, and PIK3CA. Common coalterations with TP53 GOF mutations included AR, BRAF, EGFR, RB1, NF1, and PIK3CA. There was an association of RB1 mutations with TP53 GOF mutations, versus RB1 mutations and no TP53 GOF mutations (P = .0036).ConclusionTP53 GOF mutations may provide a valuable pathway to delineate metastatic castration-resistant prostate cancer TP53 mutations into therapeutic categories. Association with disease progression while receiving abiraterone/enzalutamide therapy was apparent in this study; however, further studies are needed to elaborate the therapeutic and prognostic implications. 相似文献
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V. Jenkins I. Solis-Trapala H. Payne M. Mason L. Fallowfield S. May L. Matthews S. Catt 《Clinical oncology (Royal College of Radiologists (Great Britain))》2019,31(2):99-107
Aims
Delaying progression, ameliorating symptoms and maintaining quality of life (QoL) are primary aims of treatment for metastatic castrate-resistant prostate cancer (mCRPC). Real-world rather than clinical trial data about symptoms and side-effects are sparse. In EXTREQOL, patients' QoL, pain and information needs were recorded during treatment.Material and methods
Men with mCRPC from 20 UK cancer centres starting various systemic mCRPC treatments completed QoL, pain and information needs questionnaires at baseline, 3 and 6 months.Results
In total, 132 patients were recruited. Overall QoL declined significantly by 6 months (Functional Assessment of Cancer Therapy-Prostate [FACT-P] mean = –3.89, 95% confidence interval –6.7 to –1.05, P = 0.007; Trial Outcome Index [TOI] analysis mean = –3.10, 95% confidence interval –5.34 to –0.83, P = 0.007). Those who came off novel therapy and remained on luteinising hormone-releasing hormone agonist therapy alone had worse scores than patients receiving concomitant chemotherapy (Prostate Concerns Subscale mean difference = –4.45, 95% confidence interval –7.06 to –1.83, P = 0.001; TOI mean difference = –5.62, 95% confidence interval –10.97 to –0.26, P = 0.040). At 3 and 6 months, men who reported pain at baseline improved (43%, 40%), but for others pain levels remained the same (45%, 42%) or worsened (13%, 18%). Information regarding supportive care was lacking throughout the period of time on the study.Conclusion
Most mCRPC treated patients experience reduced QoL and inadequate pain control. More help with pain management and better information provision regarding supportive care is warranted. 相似文献8.
《Clinical genitourinary cancer》2020,18(4):258-267.e1
BackgroundSeviteronel was being developed by Innocrin Pharmaceuticals as a selective cytochrome P450c17a (CYP17) 17,20-lyase (lyase) inhibitor and androgen receptor antagonist with activity against prostate cancer cells in vitro and in vivo. This open-label phase 2 clinical study evaluated the tolerability and efficacy of seviteronel in patients with metastatic castration-resistant prostate cancer (mCRPC) previously treated with enzalutamide.Patients and MethodsPatients with mCRPC whose disease previously progressed while receiving enzalutamide therapy were divided into 2 cohorts on the basis of prior exposure to docetaxel. Seviteronel was administered without routine oral steroids either twice daily with dose titration (450 mg) or once daily without dose titration (600 or 750 mg). The primary objective was to determine the rate of significant prostate-specific antigen response (ie, decline of ≥ 50%) after 12 weeks of seviteronel therapy.ResultsSeventeen patients, with a median (range) age of 71 (60-92) years, were enrolled, with 8 patients having received prior docetaxel. Patients received a median of 2 cycles of treatment, with most patients discontinuing treatment because of toxicity related to the study drug. The most common adverse events included concentration impairment, fatigue, tremor, and nausea. Despite changes in dosing, the study was closed prematurely because of the high magnitude of toxicity. One (6%) of 17 patients experienced a significant decline in prostate-specific antigen.ConclusionSeviteronel was not generally well tolerated nor associated with significant clinical responses in patients with mCRPC who had previously received enzalutamide. Further investigation of single-agent seviteronel in this patient population is not warranted; however, studies investigating seviteronel with low-dose dexamethasone are ongoing in patients with androgen receptor–positive tumors. 相似文献
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Nobuaki Matsubara Yoko Yamada Ken-ichi Tabata Takefumi Satoh Naoto Kamiya Hiroyoshi Suzuki Takashi Kawahara Hiroji Uemura Akihiro Yano Satoru Kawakami Masafumi Otsuka Satoshi Fukasawa 《Clinical genitourinary cancer》2018,16(2):142-148