Objective:To evaluate the efficacy and safety of QL1206(a denosumab biosimilar to Xgeva■)in breast cancer patients with bone metastasis(BM)through subgroup analysis of a randomized,double-blind phaseⅢtrial(No.NCT045...Objective:To evaluate the efficacy and safety of QL1206(a denosumab biosimilar to Xgeva■)in breast cancer patients with bone metastasis(BM)through subgroup analysis of a randomized,double-blind phaseⅢtrial(No.NCT04550949).Methods:This subgroup analysis included patients with BM from breast cancer enrolled in a phaseⅢtrial.Patients were randomized(1:1)to receive either three cycles of QL1206 or denosumab(120 mg subcutaneously every 4 weeks).Subsequently,they received 10 cycles of QL1206(120 mg)over 40 weeks,followed by a 20-week safety follow-up.The primary endpoint was the percentage changes from baseline to week 13 in urinary Ntelopeptide corrected for creatinine(u NTx/Cr).Results:The breast cancer cohort consisted of 311 patients.Vertebral involvement(66.4%)was the most prevalent BM site at enrollment,while 27.7%of patients presented with≥3 metastatic bone lesions.At week 13,QL1206 demonstrated a median u NTx/Cr reduction of-69.9%(range:-98.1%-568.0%)vs.-74.3%(range:-97.7%-386.3%)for denosumab.The analysis of covariance revealed comparable least-square means for log-transformed changes:-1.416[95%confidence interval(95%CI):-1.736 to-1.096]vs.-1.501(95%CI:-1.824 to-1.178),yielding an between-group difference of 0.085(90%CI:-0.062-0.232;P=0.343).After a 53-week treatment period,83.6%achieved bone density improvement/disease stabilization.Safety profiles were comparable between groups.Conclusions:QL1206 demonstrated similar efficacy and safety to the reference denosumab in patients with BM from breast cancer,supporting QL1206 as a new option for management of BM from breast cancer.展开更多
Objective:This phase 3 study aimed to test equivalence in efficacy and safety for QL1101,a bevacizumab analogue in Chinese patients with untreated locally advanced non-squamous non-small cell lung cancer(NSCLC).Method...Objective:This phase 3 study aimed to test equivalence in efficacy and safety for QL1101,a bevacizumab analogue in Chinese patients with untreated locally advanced non-squamous non-small cell lung cancer(NSCLC).Methods:Eligible patients were randomly assigned 1:1 to receive carboplatin and paclitaxel in combination with either QL1101 or bevacizumab,15 mg/kg every 3-week for 6 cycles.This was followed by maintenance treatment with single agent QL1101 every 3-week.The primary end-point was objective response rate(ORR),with secondary end-points being progression-free survival(PFS),overall survival(OS),disease control rate(DCR),and adverse events(AEs).Results:Of 675 patients,535 eligible patients were randomized to the QL1101 group(n=269)and bevacizumab group(n=266).ORRs were 52.8%and 56.8%,respectively,for the QL1101 and bevacizumab groups,with an ORR hazard ratio 0.93(95%confidence interval:0.8-0131.1).The PFS,OS,DCR,and AEs were comparable between the 2 groups,which remained the same after stratification according to epidermal growth factor receptor mutation or smoking history.Conclusions:QL1101 showed similar efficacy and safety profiles as compared to bevacizumab among Chinese patients with untreated locally advanced non-squamous NSCLC.展开更多
Electrospun nanofiber/hydrogel composites combine the excellent biochemical properties of hydrogel with the biomimetic nature of electrospun fibers,and have attracted widespread attention in the last few years.Besides...Electrospun nanofiber/hydrogel composites combine the excellent biochemical properties of hydrogel with the biomimetic nature of electrospun fibers,and have attracted widespread attention in the last few years.Besides,nanofiber/hydrogel composites with tunable mechanical properties can mimic the microstructure of extracellular matrix(ECM)of various tissues and the microenvironment of different cells.These features enable electrospun fiber/hydrogel composites have uniquely advantageous for tissue repair.However,a comprehensive review of electrospun fiber/hydrogel composites as tissue engineering scaffolds is still lacking.Thus,this article systematically reviewed the preparation of electrospun fiber/hydrogel composites and their application in tissue engineering.First,the preparation strategies of electrospun fiber/hydrogel composites are classified and discussed.Second,the application of electrospun fiber/hydrogel-based scaffolds in tissue engineering,involving skin,blood vessel,nerve,bone and other tissue engineering,are summarized.Finally,future research directions for functional electrospun fiber/hydrogel scaffold materials are proposed.展开更多
文摘Objective:To evaluate the efficacy and safety of QL1206(a denosumab biosimilar to Xgeva■)in breast cancer patients with bone metastasis(BM)through subgroup analysis of a randomized,double-blind phaseⅢtrial(No.NCT04550949).Methods:This subgroup analysis included patients with BM from breast cancer enrolled in a phaseⅢtrial.Patients were randomized(1:1)to receive either three cycles of QL1206 or denosumab(120 mg subcutaneously every 4 weeks).Subsequently,they received 10 cycles of QL1206(120 mg)over 40 weeks,followed by a 20-week safety follow-up.The primary endpoint was the percentage changes from baseline to week 13 in urinary Ntelopeptide corrected for creatinine(u NTx/Cr).Results:The breast cancer cohort consisted of 311 patients.Vertebral involvement(66.4%)was the most prevalent BM site at enrollment,while 27.7%of patients presented with≥3 metastatic bone lesions.At week 13,QL1206 demonstrated a median u NTx/Cr reduction of-69.9%(range:-98.1%-568.0%)vs.-74.3%(range:-97.7%-386.3%)for denosumab.The analysis of covariance revealed comparable least-square means for log-transformed changes:-1.416[95%confidence interval(95%CI):-1.736 to-1.096]vs.-1.501(95%CI:-1.824 to-1.178),yielding an between-group difference of 0.085(90%CI:-0.062-0.232;P=0.343).After a 53-week treatment period,83.6%achieved bone density improvement/disease stabilization.Safety profiles were comparable between groups.Conclusions:QL1206 demonstrated similar efficacy and safety to the reference denosumab in patients with BM from breast cancer,supporting QL1206 as a new option for management of BM from breast cancer.
文摘Objective:This phase 3 study aimed to test equivalence in efficacy and safety for QL1101,a bevacizumab analogue in Chinese patients with untreated locally advanced non-squamous non-small cell lung cancer(NSCLC).Methods:Eligible patients were randomly assigned 1:1 to receive carboplatin and paclitaxel in combination with either QL1101 or bevacizumab,15 mg/kg every 3-week for 6 cycles.This was followed by maintenance treatment with single agent QL1101 every 3-week.The primary end-point was objective response rate(ORR),with secondary end-points being progression-free survival(PFS),overall survival(OS),disease control rate(DCR),and adverse events(AEs).Results:Of 675 patients,535 eligible patients were randomized to the QL1101 group(n=269)and bevacizumab group(n=266).ORRs were 52.8%and 56.8%,respectively,for the QL1101 and bevacizumab groups,with an ORR hazard ratio 0.93(95%confidence interval:0.8-0131.1).The PFS,OS,DCR,and AEs were comparable between the 2 groups,which remained the same after stratification according to epidermal growth factor receptor mutation or smoking history.Conclusions:QL1101 showed similar efficacy and safety profiles as compared to bevacizumab among Chinese patients with untreated locally advanced non-squamous NSCLC.
基金supported in part by the Key Research and Development Program of Shaanxi(No.2022SF-200)the Fund of Jiangsu Key Laboratory of Advanced Functional Polymers Design and Application in Soochow University(No.KJS2007).
文摘Electrospun nanofiber/hydrogel composites combine the excellent biochemical properties of hydrogel with the biomimetic nature of electrospun fibers,and have attracted widespread attention in the last few years.Besides,nanofiber/hydrogel composites with tunable mechanical properties can mimic the microstructure of extracellular matrix(ECM)of various tissues and the microenvironment of different cells.These features enable electrospun fiber/hydrogel composites have uniquely advantageous for tissue repair.However,a comprehensive review of electrospun fiber/hydrogel composites as tissue engineering scaffolds is still lacking.Thus,this article systematically reviewed the preparation of electrospun fiber/hydrogel composites and their application in tissue engineering.First,the preparation strategies of electrospun fiber/hydrogel composites are classified and discussed.Second,the application of electrospun fiber/hydrogel-based scaffolds in tissue engineering,involving skin,blood vessel,nerve,bone and other tissue engineering,are summarized.Finally,future research directions for functional electrospun fiber/hydrogel scaffold materials are proposed.