Objective To explore the correlation between chromosome 8 open reading frame 76(C8orf76)and cyclin-dependent kinase 4(CDK4)and the potential predictive effect of C8orf76 and CDK4 on the prognosis of colorectal cancer(...Objective To explore the correlation between chromosome 8 open reading frame 76(C8orf76)and cyclin-dependent kinase 4(CDK4)and the potential predictive effect of C8orf76 and CDK4 on the prognosis of colorectal cancer(CRC).Methods We constructed a protein-protein interaction network of C8orf76-related genes and analyzed the prognostic signatures of C8orf76 and CDK4.Clinicopathological features of C8orf76 and CDK4 were visualized using a nomogram.Results C8orf76 and CDK4 levels were positively correlated in two independent human CRC cohorts(n=83 and n=597).A consistent positive correlation was observed between C8orf76 and CDK4 expression in the CRC cell lines.The nomogram included prognostic genes(C8orf76 and CDK4)and pathological N and M stages.The concordance index(C-index)in our cohort was 0.776,which suggests that the ability of the indicators to predict the overall survival of patients with CRC in our cohort was strong.Conclusion We found that C8orf76 was positively correlated with CDK4 in both the cohorts as well as in CRC cell lines.Therefore,C8orf76 and CDK4 can be used as potential biomarkers to predict the prognosis of CRC.展开更多
Objective:CDK4/6 inhibitors(CDK4/6is)in combination with endocrine therapy have secured a central role in the treatment of hormone receptor(HR)-positive advanced breast cancer(ABC)and have transformed the therapeutic ...Objective:CDK4/6 inhibitors(CDK4/6is)in combination with endocrine therapy have secured a central role in the treatment of hormone receptor(HR)-positive advanced breast cancer(ABC)and have transformed the therapeutic landscape.Cross-line CDK4/6i therapy in which another CDK4/6i is continued after progression on a prior CDK4/6i may still offer advantageous therapeutic effects.Cross-line CDK4/6i therapy is an area of active investigation in the ongoing pursuit to improve outcomes for patients with HR+/human epidermal growth factor receptor 2(HER2)–ABC.Methods:This retrospective study enrolled 82 patients with HR+/HER2–ABC who were treated with cross-line CDK4/6is(abemaciclib,palbociclib,ribociclib,and dalpiciclib)after progression with another CDK4/6i.The primary endpoint was progression-free survival(PFS)according to version 1.1 of the Response Evaluation Criteria in Solid Tumors.Secondary endpoints included toxicity,objective response rate,disease control rate,and overall survival.Adverse events(AEs)were graded according to version 5.0 of the Common Terminology Criteria for Adverse Events,as promulgated by the U.S.Department of Health and Human Services.Results:Eighty-two HR+/HER2–ABC patients who received cross-line CDK4/6i therapy from January 2022 to February 2024 were enrolled.The median age of the patients was 60 years.The median PFS of all patients was 7.6 months(95%CI,5.9-9.2).Cox regression analysis identified lung metastasis and a switch to endocrine therapy following prior CDK4/6i therapy as independent predictive factors for PFS.Notably,patients who previously received abemaciclib and switched to palbociclib upon disease progression had a median PFS of 10.7 months.The strategy of transitioning to chemotherapy after progression on a prior CDK4/6i,then to a subsequent CDK4/6i merits further investigation.Hematologic toxicity was the most common grade≥3 AEs.No instances of fatal safety events were observed.Conclusions:Cross-line CDK4/6i therapy is associated with significant clinical benefits and manageable safety profiles in patients with HR+/HER2–ABC,which underscores cross-line CDK4/6i therapy potential as an effective treatment strategy.展开更多
目的:对CDK4/6抑制剂联合氟维司群二线治疗Luminal型乳腺癌进行有效性及安全性评价。方法:根据检索式从Embase、PubMed、Web of Science、中国知网、万方医学网和维普网等数据库中网络检索与CDK4/6抑制剂联合氟维司群治疗Luminal型内分...目的:对CDK4/6抑制剂联合氟维司群二线治疗Luminal型乳腺癌进行有效性及安全性评价。方法:根据检索式从Embase、PubMed、Web of Science、中国知网、万方医学网和维普网等数据库中网络检索与CDK4/6抑制剂联合氟维司群治疗Luminal型内分泌耐药乳腺癌有关的随机对照试验并进行筛选,使用Stata17.0和RevMan5.4软件对纳入的RCT进行评价及Meta分析。结果:纳入8篇文献,共5项RCT,纳入研究对象2466例。Meta分析结果显示,CDK4/6抑制剂联合氟维司群与单纯应用氟维司群相比可延长患者的无进展生存期[HR=0.51,95%CI(0.46,0.56),P<0.00001]及总生存期[HR=0.73,95%CI(0.65,0.83),P<0.00001],两组间差异具有统计学意义(P<0.05)。然而CDK4/6抑制剂联合氟维司群治疗时更容易造成中性粒细胞减少、白细胞计数下降、贫血、血小板下降及疲乏等不良反应,两组间差异具有统计学意义(P<0.05)。结论:与氟维司群加安慰剂相比,CDK4/6抑制剂联合氟维司群显著延长Luminal型乳腺癌患者的PFS和OS。用药过程中常见的不良反应是血液系统的中性粒细胞减少、白细胞计数下降、贫血、血小板下降及疲乏等,且3级及以上不良反应发生率可控,在临床治疗上获益较大。展开更多
基金supported by a grant from National Natural Science Foundation of China(No.82203623)2022&2023 Hebei introduction of foreign expert intelligence projects(Nos.YZ202201&YZ202305)+1 种基金Hebei Natural Science Foundation(Nos.H2020206374 and H2021206306)Hebei Clinical Medicine Excellent Talents Project of Province(No.LS202001).
文摘Objective To explore the correlation between chromosome 8 open reading frame 76(C8orf76)and cyclin-dependent kinase 4(CDK4)and the potential predictive effect of C8orf76 and CDK4 on the prognosis of colorectal cancer(CRC).Methods We constructed a protein-protein interaction network of C8orf76-related genes and analyzed the prognostic signatures of C8orf76 and CDK4.Clinicopathological features of C8orf76 and CDK4 were visualized using a nomogram.Results C8orf76 and CDK4 levels were positively correlated in two independent human CRC cohorts(n=83 and n=597).A consistent positive correlation was observed between C8orf76 and CDK4 expression in the CRC cell lines.The nomogram included prognostic genes(C8orf76 and CDK4)and pathological N and M stages.The concordance index(C-index)in our cohort was 0.776,which suggests that the ability of the indicators to predict the overall survival of patients with CRC in our cohort was strong.Conclusion We found that C8orf76 was positively correlated with CDK4 in both the cohorts as well as in CRC cell lines.Therefore,C8orf76 and CDK4 can be used as potential biomarkers to predict the prognosis of CRC.
基金supported by grants from the CAMS Innovation Fund for Medical Sciences[CIFMS](Grant Nos.2021-I2M-1-014 and 2022-I2M-2-002).
文摘Objective:CDK4/6 inhibitors(CDK4/6is)in combination with endocrine therapy have secured a central role in the treatment of hormone receptor(HR)-positive advanced breast cancer(ABC)and have transformed the therapeutic landscape.Cross-line CDK4/6i therapy in which another CDK4/6i is continued after progression on a prior CDK4/6i may still offer advantageous therapeutic effects.Cross-line CDK4/6i therapy is an area of active investigation in the ongoing pursuit to improve outcomes for patients with HR+/human epidermal growth factor receptor 2(HER2)–ABC.Methods:This retrospective study enrolled 82 patients with HR+/HER2–ABC who were treated with cross-line CDK4/6is(abemaciclib,palbociclib,ribociclib,and dalpiciclib)after progression with another CDK4/6i.The primary endpoint was progression-free survival(PFS)according to version 1.1 of the Response Evaluation Criteria in Solid Tumors.Secondary endpoints included toxicity,objective response rate,disease control rate,and overall survival.Adverse events(AEs)were graded according to version 5.0 of the Common Terminology Criteria for Adverse Events,as promulgated by the U.S.Department of Health and Human Services.Results:Eighty-two HR+/HER2–ABC patients who received cross-line CDK4/6i therapy from January 2022 to February 2024 were enrolled.The median age of the patients was 60 years.The median PFS of all patients was 7.6 months(95%CI,5.9-9.2).Cox regression analysis identified lung metastasis and a switch to endocrine therapy following prior CDK4/6i therapy as independent predictive factors for PFS.Notably,patients who previously received abemaciclib and switched to palbociclib upon disease progression had a median PFS of 10.7 months.The strategy of transitioning to chemotherapy after progression on a prior CDK4/6i,then to a subsequent CDK4/6i merits further investigation.Hematologic toxicity was the most common grade≥3 AEs.No instances of fatal safety events were observed.Conclusions:Cross-line CDK4/6i therapy is associated with significant clinical benefits and manageable safety profiles in patients with HR+/HER2–ABC,which underscores cross-line CDK4/6i therapy potential as an effective treatment strategy.
文摘目的:对CDK4/6抑制剂联合氟维司群二线治疗Luminal型乳腺癌进行有效性及安全性评价。方法:根据检索式从Embase、PubMed、Web of Science、中国知网、万方医学网和维普网等数据库中网络检索与CDK4/6抑制剂联合氟维司群治疗Luminal型内分泌耐药乳腺癌有关的随机对照试验并进行筛选,使用Stata17.0和RevMan5.4软件对纳入的RCT进行评价及Meta分析。结果:纳入8篇文献,共5项RCT,纳入研究对象2466例。Meta分析结果显示,CDK4/6抑制剂联合氟维司群与单纯应用氟维司群相比可延长患者的无进展生存期[HR=0.51,95%CI(0.46,0.56),P<0.00001]及总生存期[HR=0.73,95%CI(0.65,0.83),P<0.00001],两组间差异具有统计学意义(P<0.05)。然而CDK4/6抑制剂联合氟维司群治疗时更容易造成中性粒细胞减少、白细胞计数下降、贫血、血小板下降及疲乏等不良反应,两组间差异具有统计学意义(P<0.05)。结论:与氟维司群加安慰剂相比,CDK4/6抑制剂联合氟维司群显著延长Luminal型乳腺癌患者的PFS和OS。用药过程中常见的不良反应是血液系统的中性粒细胞减少、白细胞计数下降、贫血、血小板下降及疲乏等,且3级及以上不良反应发生率可控,在临床治疗上获益较大。
