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Burden of Metastatic Castrate Naive Prostate Cancer Patients, to Identify Men More Likely to Benefit from Early Docetaxel: Further Analyses of CHAARTED and GETUG-AFU15 Studies.
European Urology ( IF 23.4 ) Pub Date : 2018-02-21 , DOI: 10.1016/j.eururo.2018.02.001
Gwenaelle Gravis 1 , Jean-Marie Boher 2 , Yu-Hui Chen 3 , Glenn Liu 4 , Karim Fizazi 5 , Michael A Carducci 6 , Stephane Oudard 7 , Florence Joly 8 , David M Jarrard 4 , Michel Soulie 9 , Mario J Eisenberger 6 , Muriel Habibian 10 , Robert Dreicer 11 , Jorge A Garcia 12 , Maha H M Hussain 13 , Manish Kohli 14 , Nicholas J Vogelzang 15 , Joel Picus 16 , Robert DiPaola 17 , Christopher Sweeney 18
Affiliation  

BACKGROUND Docetaxel (D) at the time of starting androgen deprivation therapy (ADT) for metastatic castrate naive prostate cancer shows a clear survival benefit for patients with high-volume (HV) disease. It is unclear whether patients with low-volume (LV) disease benefit from early D. OBJECTIVE To define the overall survival (OS) of aggregate data of patient subgroups from the CHAARTED and GETUG-AFU15 studies, defined by metastatic burden (HV and LV) and time of metastasis occurrence (at diagnosis or after prior local treatment [PRLT]). DESIGN, SETTING, AND PARTICIPANTS Data were accessed from two independent phase III trials of ADT alone or ADT+D-GETUG-AFU15 (N=385) and CHAARTED (N=790), with median follow-ups for survivors of 83.2 and 48.2 mo, respectively. The definition of HV and LV disease was harmonized. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS The primary end point was OS. RESULTS AND LIMITATIONS Meta-analysis results of the aggregate data showed significant heterogeneity in ADT+D versus ADT effect sizes between HV and LV subgroups (p=0.017), and failed to detect heterogeneity in ADT+D versus ADT effect sizes between upfront and PRLT subgroups (p=0.4). Adding D in patients with HV disease has a consistent effect in improving median OS (HV-ADT: 34.4 and 35.1 mo, HV-ADT+D: 51.2 and 39.8 mo in CHAARTED and GETUG-AFU15, respectively; pooled average hazard ratio or HR (95% confidence interval [CI]) 0.68 ([95% CI 0.56; 0.82], p<0.001). Patients with LV disease showed much longer OS, without evidence that D improved OS (LV-ADT: not reached [NR] and 83.4; LV-ADT+D: 63.5 and NR in CHAARTED and GETUG-AFU15, respectively; pooled HR (95% CI) 1.03 (95% CI 0.77; 1.38). Aggregate data showed no evidence of heterogeneity of early D in LV and HV subgroups irrespective of whether patients had PRLT or not. Post hoc subgroup analysis was based on aggregated data from two independent phase III randomized trials. CONCLUSIONS There was no apparent survival benefit in the CHAARTED and GETUG-AFU15 studies with D for LV. Across both studies, early D showed consistent effect and improved OS in HV patients. PATIENT SUMMARY Patients with a higher burden of metastatic prostate cancer starting androgen deprivation therapy (ADT) have a poorer prognosis and are more likely to benefit from early docetaxel. Low-volume patients have longer overall survival with ADT alone, and the toxicity of docetaxel may outweigh its benefits.

中文翻译:

转移去势rate割的未成年人前列腺癌患者的负担,以识别更可能受益于早期多西他赛的男性:CHAARTED和GETUG-AFU15研究的进一步分析。

背景技术对于转移性去势幼稚前列腺癌,开始雄激素剥夺治疗(ADT)时的多西紫杉醇(D)对于患有大量(HV)疾病的患者显示出明显的生存获益。目前尚不清楚低剂量(LV)疾病患者是否会从早期D中受益。目的定义CHAARTED和GETUG-AFU15研究中患者亚组汇总数据的总生存期(OS),该数据由转移性负担(HV和LV )和转移发生的时间(在诊断时或在事先进行局部治疗后[PRLT])。设计,地点和参与者的数据来自两项独立的仅ADT或ADT + D-GETUG-AFU15(N = 385)和CHAARTED(N = 790)的独立III期试验,幸存者的中位随访率为83.2和48.2。分别。HV和LV疾病的定义统一。结果测量和统计分析主要终点是OS。结果与局限性汇总数据的荟萃分析结果显示,在HV和LV亚组之间,ADT + D与ADT效应大小之间存在显着异质性(p = 0.017),并且未能检测到前期与PRLT之间的ADT + D与ADT效应大小之间的异质性亚组(p = 0.4)。在HV疾病患者中添加D可以持续改善中位OS(在CHAARTED和GETUG-AFU15中HV-ADT:34.4和35.1 mo,HV-ADT + D:51.2和39.8 mo;合并平均风险比或HR (95%置信区间[CI])0.68([95%CI 0.56; 0.82],p <0.001)。LV病患者的OS更长,没有证据表明D可以改善OS(LV-ADT:未达到[NR]和83.4; LV-ADT + D:在CHAARTED和GETUG-AFU15中分别为63.5和NR;合并的HR(95%CI)1。03(95%CI 0.77; 1.38)。总体数据显示,无论患者是否患有PRLT,LV和HV亚组D早期异质性均无证据。事后亚组分析是基于两项独立的III期随机试验的汇总数据。结论在CHAARTED和GETUG-AFU15研究中,D用于左室充血没有明显的生存获益。在两项研究中,早期D在HV患者中显示出一致的效果并改善了OS。患者总结开始转移雄激素剥夺治疗(ADT)的转移性前列腺癌负担较大的患者预后较差,更可能受益于早期多西他赛。小批量患者仅使用ADT就能获得更长的总生存期,多西他赛的毒性可能超过其益处。总体数据显示,无论患者是否患有PRLT,LV和HV亚组D早期异质性均无证据。事后亚组分析是基于两项独立的III期随机试验的汇总数据。结论在CHAARTED和GETUG-AFU15研究中,D用于左室充血没有明显的生存获益。在两项研究中,早期D在HV患者中显示出一致的效果并改善了OS。患者总结开始转移雄激素剥夺治疗(ADT)的转移性前列腺癌负担较大的患者预后较差,更可能受益于早期多西他赛。小批量患者仅使用ADT就能获得更长的总生存期,多西他赛的毒性可能超过其益处。总体数据显示,无论患者是否患有PRLT,LV和HV亚组D早期异质性均无证据。事后亚组分析是基于两项独立的III期随机试验的汇总数据。结论在CHAARTED和GETUG-AFU15研究中,D用于左室充血没有明显的生存获益。在两项研究中,早期D在HV患者中显示出一致的效果并改善了OS。患者总结开始转移雄激素剥夺治疗(ADT)的转移性前列腺癌负担较大的患者预后较差,更可能受益于早期多西他赛。小批量患者仅使用ADT就能获得更长的总生存期,多西他赛的毒性可能超过其益处。事后亚组分析是基于两项独立的III期随机试验的汇总数据。结论在CHAARTED和GETUG-AFU15研究中,D对LV没有明显的生存获益。在两项研究中,早期D在HV患者中显示出一致的效果并改善了OS。患者总结开始转移雄激素剥夺治疗(ADT)的转移性前列腺癌负担较大的患者预后较差,更可能受益于早期多西他赛。小批量患者仅使用ADT就能获得更长的总生存期,多西他赛的毒性可能超过其益处。事后亚组分析是基于两项独立的III期随机试验的汇总数据。结论在CHAARTED和GETUG-AFU15研究中,D用于左室充血没有明显的生存获益。在两项研究中,早期D在HV患者中显示出一致的效果并改善了OS。患者总结开始转移雄激素剥夺治疗(ADT)的转移性前列腺癌负担较大的患者预后较差,更可能受益于早期多西他赛。小批量患者仅使用ADT就能获得更长的总生存期,多西他赛的毒性可能超过其益处。早期D在HV患者中显示出一致的效果并改善了OS。患者总结开始转移雄激素剥夺治疗(ADT)的转移性前列腺癌负担较大的患者预后较差,更可能受益于早期多西他赛。小批量患者仅使用ADT就能获得更长的总生存期,多西他赛的毒性可能超过其益处。早期D在HV患者中显示出一致的效果并改善了OS。患者总结开始转移雄激素剥夺治疗(ADT)的转移性前列腺癌负担较大的患者预后较差,更可能受益于早期多西他赛。小批量患者仅使用ADT就能获得更长的总生存期,多西他赛的毒性可能超过其益处。
更新日期:2018-02-21
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