1.Analysis of the application status of prescription pre-review systems in Yunnan province
Fan XU ; Wenjie YIN ; Kejia LI ; Zhengfu LI ; Jie CHEN ; Meixian WU ; Ruixiang CHEN ; Songmei LI ; Guowen ZHANG ; Te LI
China Pharmacy 2026;37(1):6-10
OBJECTIVE To investigate the application status of prescription pre-review systems in healthcare institutions of Yunnan province, evaluate their system functions and management capabilities, and provide a practical basis for promoting rational drug use. METHODS A questionnaire survey was conducted among public healthcare institutions at or above the secondary level in Yunnan province to investigate the deployment status of the systems. A capability maturity assessment framework was constructed, encompassing 6 dimensions and 39 indicators, including real-time prescription review, prescription correlation review, rule setting, evidence-based information support, prescription authority management, and system operation management. This framework was then used to evaluate the institutions that had implemented the pre-review systems. RESULTS A total of 100 valid questionnaires were collected, with 37 institutions having adopted prescription pre-review systems, mainly tertiary hospitals. The system predominantly adopted a modular architecture and was embedded into the hospital information system through application programming interfaces and middleware, providing certain capabilities for real-time prescription risk identification. Evaluation results indicated that basic functions such as reviewing indications, contraindications, and drug compatibility performed well, while deficiencies remained in functions related to parenteral nutrition prescription, review of drug dosage for specific diseases, individual patient characteristic recognition, and rule setting. Moreover, the construction of review centers and establishment of management systems were also not well-developed. CONCLUSIONS The overall application rate of prescription pre-review systems in Yunnan province remains low. System functions and management mechanisms require further improvement. It is recommended to enhance information infrastructure in lower-level institutions and explore regionally unified review models to promote standardized and intelligent development of prescription review practices.
2.Clinical efficacy and safety of a domestic calcipotriol/betamethasone dipropionate ointment in the treatment of stable plaque psoriasis: a multicenter, randomized, double-blind, controlled study
Lixin XIA ; Guang XIANG ; Qingchun DIAO ; Kun HUANG ; Shoumin ZHANG ; Shanshan LI ; Yumei LI ; Zhiqiang SONG ; Qing SUN ; Xiumin YANG ; Meng PAN ; Yuling SHI ; Shuping GUO ; Huiping WANG ; Tiechi LEI ; Xiaoyong ZHOU ; Songmei GENG ; Suchun HOU ; Juan SU ; Yong CUI ; Rixin CHEN ; Yanyan FENG ; Hongxia FENG ; Rushan XIA ; Zudong MENG ; Fang YIN ; Jingjing WANG ; Xinghua GAO
Chinese Journal of Dermatology 2025;58(11):1020-1026
Objective:To evaluate the clinical equivalence between a domestic calcipotriol/betamethasone dipropionate ointment and the originator product in the treatment of stable plaque psoriasis.Methods:A multicenter, randomized, double-blind, three-arm, parallel-group, active- and placebo-controlled study was conducted, and 449 patients aged 18 - 65 years with stable plaque psoriasis were enrolled from 25 hospitals (such as the First Affiliated Hospital of China Medical University). Eligible patients had a baseline physician's global assessment (PGA) score of ≥ 3 points, baseline body surface area (BSA) involvement of 5% - 30%, and a target lesion psoriasis area and severity index (TL-PASI) for plaque elevation of ≥ 3 points. Participants were randomly assigned in a 2:2:1 ratio to the test group ( n = 179), reference group ( n = 180), and placebo group ( n = 90), and applied the domestic calcipotriol/betamethasone dipropionate ointment, originator product, and ointment base respectively, once daily in the evening for 4 weeks. Efficacy and safety were assessed at weeks 1, 2, and 4. The primary efficacy endpoints were the treatment success rates and clinical success rates in each group at week 4. The per-protocol set (PPS) was used for the primary efficacy analysis, and the intention-to-treat (ITT) set for supplementary efficacy analysis. Equivalence between the test and reference preparations was tested using the Cochran-Mantel-Haenszel method adjusted for randomization strata. Superiority of the test and reference preparations over the placebo was also tested. Measurement data were compared among the 3 groups using analysis of variance or non-parametric tests, while treatment success rates, clinical success rates, and incidence rates of adverse reactions were compared using the chi-square test. Results:The ITT, PPS, and safety sets included 447, 420, and 448 patients, respectively. In the ITT set, patients were aged 43.6 ± 12.8 years, including 320 (71.6%) males and 127 (28.4%) females, and the disease duration was 11.21 ± 9.05 years; 316 (70.7%) had a PGA score of 3 points and 131 (29.3%) had a PGA score of 4 - 5 points. No significant differences in the baseline characteristics (including age, sex, disease duration and disease severity) were observed among the 3 groups (all P > 0.05). Based on the PPS analysis, the treatment success rates were 57.9% (99/171) in the test group, 50.3% (86/171) in the reference group, and 7.7% (6/78) in the placebo group, and the clinical success rates were 57.9% (99/171), 50.3% (86/171), and 10.3% (8/78), respectively; both the test and reference groups were superior to the placebo group in both treatment and clinical success rates (all P < 0.001) ; the rate differences for treatment success (90% confidence interval [ CI]: -1.3% - 16.4%) and clinical success (90% CI: -1.3% - 16.3%) between the test and reference groups were entirely within the pre-defined equivalence margin (-20% - 20%). Subgroup analyses by baseline PGA scores: for patients with a baseline PGA score of 3 points, the treatment success rates in the test, reference, and placebo groups were 60.8% (73/120), 52.1% (62/119), and 11.1% (6/54), respectively, and the corresponding clinical success rates were 61.7% (74/120), 53.8% (64/119), and 13% (7/54), respectively; the test and reference groups did not differ significantly in treatment or clinical success rates (both P > 0.05), but both showed higher success rates than the placebo group (all P < 0.001) ; the results of statistical comparisons among the 3 groups in patients with a baseline PGA score of 4 - 5 points were consistent with those observed in patients with a baseline PGA score of 3 points. The percentage reductions in PGA and TL-PASI scores from baseline to weeks 1, 2, and 4 showed significant differences among the 3 groups, which were significantly higher in the test and reference groups than in the placebo group (all P < 0.001), but did not differ between the test and reference groups (all P > 0.05). The primary adverse reactions were local skin reactions, such as pruritus, pain, and erythema. The incidence rates of adverse reactions were 8.9% (16/179) in the test group, 7.3% (13/179) in the reference group, and 7.8% (7/90) in the placebo group, with no significant difference among the 3 groups ( P > 0.05) . Conclusions:The domestic calcipotriol/betamethasone dipropionate ointment demonstrated clinical equivalence to the originator product in the treatment of stable plaque psoriasis, and the two agents exhibited comparable efficacy for patients with varying degrees of disease severity, and were comparable in the speed and degree of clinical improvement, with similar favorable safety profiles.
3.Latent profile analysis of nutrition literacy among young and middle-aged patients with type 2 diabetes mellitus combined with overweight or obesity and its relationship with dietary motivation
Xiangjie SHEN ; Wei YIN ; Qiaoyan LIU ; Songmei CAO ; Houjuan ZU ; Huiying SHA ; Jingjing WANG
Chinese Journal of Nursing 2025;60(16):1974-1980
Objective To investigate the potential categories of nutrition literacy in young and middle-aged patients with type 2 diabetes mellitus combined with overweight or obesity,and analyze the relationship between various latent categories and dietary motivation,so as to provide references for clinical working staff to develop relevant dietary intervention strategies.Methods A convenient sampling method was used to enroll 270 young and middle-aged patients with type 2 diabetes mellitus combined with overweight or obesity from the endocrine department of a tertiary general hospital in Zhenjiang City,Jiangsu province,using basic information questionnaire,Nutrition Literacy Measurement Scale for Chinese adults,and the Regulation of Eating Behaviors Scale to collect data,using latent profile analysis to extract nutrition literacy potential categories,with general data and potential categories as independent variables,dietary motivation as the dependent variable for univariate analysis and multiple linear regression analysis.Results A total of 262 young and middle-aged patients with type 2 diabetes mellitus combined with overweight or obesity completed the survey,and their nutrition literacy could be divided into 3 potential categories:low nutrition literacy group(16.41%),transformation dilemma group(54.96%),and middle and high nutrition literacy group(28.63%).The results of multiple linear regression analysis showed that residency style,potential categories of nutrition literacy and presence of diabetic complications were the influencing factors of dietary motivation in young and middle-aged patients with type 2 diabetes mellitus combined with overweight or obesity(P<0.05).Conclusion There was a group heterogeneity in nutrition literacy in young and middle-aged patients with type 2 diabetes mellitus combined with overweight or obesity.Clinical working staff should provide targeted interventions based on the patient's potential categories of nutrition literacy to stimulate ongoing motivation to maintain a healthy diet.
4.Clinical efficacy and safety of a domestic calcipotriol/betamethasone dipropionate ointment in the treatment of stable plaque psoriasis: a multicenter, randomized, double-blind, controlled study
Lixin XIA ; Guang XIANG ; Qingchun DIAO ; Kun HUANG ; Shoumin ZHANG ; Shanshan LI ; Yumei LI ; Zhiqiang SONG ; Qing SUN ; Xiumin YANG ; Meng PAN ; Yuling SHI ; Shuping GUO ; Huiping WANG ; Tiechi LEI ; Xiaoyong ZHOU ; Songmei GENG ; Suchun HOU ; Juan SU ; Yong CUI ; Rixin CHEN ; Yanyan FENG ; Hongxia FENG ; Rushan XIA ; Zudong MENG ; Fang YIN ; Jingjing WANG ; Xinghua GAO
Chinese Journal of Dermatology 2025;58(11):1020-1026
Objective:To evaluate the clinical equivalence between a domestic calcipotriol/betamethasone dipropionate ointment and the originator product in the treatment of stable plaque psoriasis.Methods:A multicenter, randomized, double-blind, three-arm, parallel-group, active- and placebo-controlled study was conducted, and 449 patients aged 18 - 65 years with stable plaque psoriasis were enrolled from 25 hospitals (such as the First Affiliated Hospital of China Medical University). Eligible patients had a baseline physician's global assessment (PGA) score of ≥ 3 points, baseline body surface area (BSA) involvement of 5% - 30%, and a target lesion psoriasis area and severity index (TL-PASI) for plaque elevation of ≥ 3 points. Participants were randomly assigned in a 2:2:1 ratio to the test group ( n = 179), reference group ( n = 180), and placebo group ( n = 90), and applied the domestic calcipotriol/betamethasone dipropionate ointment, originator product, and ointment base respectively, once daily in the evening for 4 weeks. Efficacy and safety were assessed at weeks 1, 2, and 4. The primary efficacy endpoints were the treatment success rates and clinical success rates in each group at week 4. The per-protocol set (PPS) was used for the primary efficacy analysis, and the intention-to-treat (ITT) set for supplementary efficacy analysis. Equivalence between the test and reference preparations was tested using the Cochran-Mantel-Haenszel method adjusted for randomization strata. Superiority of the test and reference preparations over the placebo was also tested. Measurement data were compared among the 3 groups using analysis of variance or non-parametric tests, while treatment success rates, clinical success rates, and incidence rates of adverse reactions were compared using the chi-square test. Results:The ITT, PPS, and safety sets included 447, 420, and 448 patients, respectively. In the ITT set, patients were aged 43.6 ± 12.8 years, including 320 (71.6%) males and 127 (28.4%) females, and the disease duration was 11.21 ± 9.05 years; 316 (70.7%) had a PGA score of 3 points and 131 (29.3%) had a PGA score of 4 - 5 points. No significant differences in the baseline characteristics (including age, sex, disease duration and disease severity) were observed among the 3 groups (all P > 0.05). Based on the PPS analysis, the treatment success rates were 57.9% (99/171) in the test group, 50.3% (86/171) in the reference group, and 7.7% (6/78) in the placebo group, and the clinical success rates were 57.9% (99/171), 50.3% (86/171), and 10.3% (8/78), respectively; both the test and reference groups were superior to the placebo group in both treatment and clinical success rates (all P < 0.001) ; the rate differences for treatment success (90% confidence interval [ CI]: -1.3% - 16.4%) and clinical success (90% CI: -1.3% - 16.3%) between the test and reference groups were entirely within the pre-defined equivalence margin (-20% - 20%). Subgroup analyses by baseline PGA scores: for patients with a baseline PGA score of 3 points, the treatment success rates in the test, reference, and placebo groups were 60.8% (73/120), 52.1% (62/119), and 11.1% (6/54), respectively, and the corresponding clinical success rates were 61.7% (74/120), 53.8% (64/119), and 13% (7/54), respectively; the test and reference groups did not differ significantly in treatment or clinical success rates (both P > 0.05), but both showed higher success rates than the placebo group (all P < 0.001) ; the results of statistical comparisons among the 3 groups in patients with a baseline PGA score of 4 - 5 points were consistent with those observed in patients with a baseline PGA score of 3 points. The percentage reductions in PGA and TL-PASI scores from baseline to weeks 1, 2, and 4 showed significant differences among the 3 groups, which were significantly higher in the test and reference groups than in the placebo group (all P < 0.001), but did not differ between the test and reference groups (all P > 0.05). The primary adverse reactions were local skin reactions, such as pruritus, pain, and erythema. The incidence rates of adverse reactions were 8.9% (16/179) in the test group, 7.3% (13/179) in the reference group, and 7.8% (7/90) in the placebo group, with no significant difference among the 3 groups ( P > 0.05) . Conclusions:The domestic calcipotriol/betamethasone dipropionate ointment demonstrated clinical equivalence to the originator product in the treatment of stable plaque psoriasis, and the two agents exhibited comparable efficacy for patients with varying degrees of disease severity, and were comparable in the speed and degree of clinical improvement, with similar favorable safety profiles.
5.Latent profile analysis of nutrition literacy among young and middle-aged patients with type 2 diabetes mellitus combined with overweight or obesity and its relationship with dietary motivation
Xiangjie SHEN ; Wei YIN ; Qiaoyan LIU ; Songmei CAO ; Houjuan ZU ; Huiying SHA ; Jingjing WANG
Chinese Journal of Nursing 2025;60(16):1974-1980
Objective To investigate the potential categories of nutrition literacy in young and middle-aged patients with type 2 diabetes mellitus combined with overweight or obesity,and analyze the relationship between various latent categories and dietary motivation,so as to provide references for clinical working staff to develop relevant dietary intervention strategies.Methods A convenient sampling method was used to enroll 270 young and middle-aged patients with type 2 diabetes mellitus combined with overweight or obesity from the endocrine department of a tertiary general hospital in Zhenjiang City,Jiangsu province,using basic information questionnaire,Nutrition Literacy Measurement Scale for Chinese adults,and the Regulation of Eating Behaviors Scale to collect data,using latent profile analysis to extract nutrition literacy potential categories,with general data and potential categories as independent variables,dietary motivation as the dependent variable for univariate analysis and multiple linear regression analysis.Results A total of 262 young and middle-aged patients with type 2 diabetes mellitus combined with overweight or obesity completed the survey,and their nutrition literacy could be divided into 3 potential categories:low nutrition literacy group(16.41%),transformation dilemma group(54.96%),and middle and high nutrition literacy group(28.63%).The results of multiple linear regression analysis showed that residency style,potential categories of nutrition literacy and presence of diabetic complications were the influencing factors of dietary motivation in young and middle-aged patients with type 2 diabetes mellitus combined with overweight or obesity(P<0.05).Conclusion There was a group heterogeneity in nutrition literacy in young and middle-aged patients with type 2 diabetes mellitus combined with overweight or obesity.Clinical working staff should provide targeted interventions based on the patient's potential categories of nutrition literacy to stimulate ongoing motivation to maintain a healthy diet.
6.Tildrakizumab for moderate-to-severe plaque psoriasis in Chinese patients: A 12-week randomized placebo-controlled phase III trial with long-term extension
Chen YU ; Songmei GENG ; Bin YANG ; Yunhua DENG ; Fuqiu LI ; Xiaojing KANG ; Mingye BI ; Furen ZHANG ; Yi ZHAO ; Weili PAN ; Zhongwei TIAN ; Jinhua XU ; Zhenghua ZHANG ; Nan YU ; Xinsuo DUAN ; Shuping GUO ; Qing SUN ; Weiquan LI ; Juan TAO ; Zhijun LIU ; Yuanyuan YIN ; Gang WANG
Chinese Medical Journal 2024;137(10):1190-1198
Background::There is a need for effective and safe therapies for psoriasis that provide sustained benefits. The aim of this study was to assess the efficacy and safety of tildrakizumab, an anti-interleukin-23p19 monoclonal antibody, for treating moderate-to-severe plaque psoriasis in Chinese patients.Methods::In this multi-center, double-blind, phase III trial, patients with moderate-to-severe plaque psoriasis were enrolled and randomly assigned (1:1) to receive subcutaneous tildrakizumab 100 mg or placebo at weeks 0 and 4. Patients initially assigned to placebo were switched to receive tildrakizumab at weeks 12, 16, and every 12 weeks thereafter. Patients in the tildrakizumab group continued with tildrakizumab at week 16, and every 12 weeks until week 52. The primary endpoint was the Psoriasis Area and Severity Index (PASI 75) response rate at week 12.Results::At week 12, tildrakizumab demonstrated significantly higher PASI 75 response rates (66.4% [73/110] vs. 12.7% [14/110]; difference, 51.4% [95% confidence interval (CI), 40.72, 62.13]; P <0.001) and Physician’s Global Assessment (60.9% [67/110] vs. 10.0% [11/110]; difference, 49.1% [95% CI, 38.64, 59.62]; P <0.001) compared to placebo. PASI 75 response continued to improve over time in both tildrakizumab and placebo-switching to tildrakizumab groups, reaching maximal efficacy after 28 weeks (86.8% [92/106] vs. 82.4% [89/108]) and maintained up to 52 weeks (91.3% [95/104] vs. 87.4% [90/103]). Most treatment-emergent adverse events were mild and not related to tildrakizumab. Conclusion::Tildrakizumab demonstrated durable efficacy through week 52 and was well tolerated in Chinese patients with moderate-to-severe plaque psoriasis.Trial registration::ClinicalTrials.gov, NCT05108766.
7.Construction of a knowledge base for hierarchical prevention care of neonatal hypoglycemia based on risk prediction model
Qiaoyan LIU ; Songmei CAO ; Jieyu ZHOU ; Ronghua BI ; Wei YIN ; Hongbing BU ; Yimeng FAN ; Xin ZHANG
Chinese Journal of Practical Nursing 2023;39(26):2033-2039
Objective:To build the standardized knowledge base for hierarchical prevention care of neonatal hypoglycemia based on the risk prediction model of neonatal hypoglycemia, and to provide a decision-making basis for risk management to achieve predicitive neonatal hypoglycemia.Methods:Based on the best evidence summarized in strategies for the prevention and management of neonatal hypoglycemia published in 2020, evidence on the prevention and management of neonatal hypoglycemia was searched from BMJ Best Practice, UpToDate, Registered Nurses Association of Ontario, CNKI and other domestic and foreign databases and professional association websites. The retrieval period was from September 1, 2019 to August 31, 2022. The quality of newly included literature was evaluated, new evidence was extracted, and the best evidence in the prevention and management strategy of neonatal hypoglycemia published in 2020 was summarized and combined to form the first draft of the knowledge base. Experts in the field of neonatal nursing were invited to revise and discuss each item of the knowledge base, and the final draft of the knowledge base was formed. The final draft of the knowledge base was coded using the 2.5 version of the Clinical care classification system as the standardized language.Results:The risk prediction model of neonatal hypoglycemia was used as a grading tool, the final draft of the knowledge included 1 nursing diagnosis, 6 modules and 18 specific preventive nursing measures.Conclusions:The knowledge base for hierarchical prevention care of neonatal hypoglycemia based on risk prediction model can realize the prospective hierarchical nursing of neonatal hypoglycemia, which is scientific and practical, and is the basis to assist nurses to make clinical decisions.
8.Expert consensus on perioperative nursing management of nutrition for elderly patients with hip fractures (version 2023)
Chunhua DENG ; Xiaohua CHEN ; Zhihua YIN ; Yao JIANG ; Xiaoju TAN ; Yaping CHEN ; Junqin DING ; Luo FAN ; Leling FENG ; Yuyun GAN ; Xiaoyan GAO ; Jinli GUO ; Jing HU ; Chen HUANG ; Guiling HUANG ; Tianwen HUANG ; Yingchun HUANG ; Hui JIN ; Yan JIN ; Fangfang LI ; Hui LI ; Hui LIU ; Ping LIU ; Ning NING ; Lingyun SHI ; Guomin SONG ; Yani SUN ; Guangling WANG ; Jie WANG ; Qi WANG ; Xia WANG ; Xiaoyun WANG ; Yi WANG ; Songmei WU ; Jian YANG ; Yumei ZHANG ; Yang ZHOU ; Xiaoyan WANG ; Yuan GAO
Chinese Journal of Trauma 2023;39(5):394-403
Hip fractures are among the most common fractures in the elderly, presenting to be a leading cause of disability and mortality. Surgical treatment is currently the main treatment method for hip fractures. The incidence of perioperative malnutrition is increased after hip fractures in the elderly due to the comorbidities, decreased basal metabolic rate, accelerated protein breakdown, weakened anabolism and surgical stress. However, malnutrition not only increases the incidence of postoperative complications, but also leads to increased mortality, indicating an important role of perioperative nursing management of nutrition for the elderly patients with hip fractures. At present, there still lacks scientific guidance and application standards on perioperative nursing management of nutrition for the elderly patients with hip fractures. Therefore, the Orthopedic Nursing Committee of Chinese Nursing Association and the Editorial Board of Chinese Journal of Trauma organized relevant experts to formulate the Expert consensus on perioperative nursing management of nutrition for elderly patients with hip fractures ( version 2023) according to evidence-based medical evidences and their clinical experiences. Fourteen recommendations were made from aspects of nutrition screening, nutrition assessment, nutrition diagnosis, nutrition intervention and nutrition monitoring to provide guidance for perioperative nursing management of nutrition in elderly patients with hip fractures.
9.Investigation on Dietary Nutrition Status of 115 Patients with Graves Disease in Yunnan Province
Zhengwu ZHANG ; Songmei WANG ; Jingxiu ZHANG ; Qing GAO ; Lisha WU ; Jianzhong YIN
Journal of Kunming Medical University 2016;37(10):31-34
Objective To learn dietary and nutritional status of the toxic diffuse goiter (GD) patients in Yunnan region,to investigate dietary nutrition intake levels of GD patients.Methods By using food frequency method and self-programmed food frequency table,GD patients' dietary nutrition was investigated.We calculated GD patients' intake of all kinds of food and a variety of nutrients per capita per day,and compared them with the suggested values in Chinese residents balanced diet pagoda and dietary nutrients reference intakes (RNIs);measured the patients' body weight,height and calculating body mass index in the field.Results (1) Dietary structure:GD patients' food intake kinds were various in Yunnan region,the intakes of cereals,tuber crops,meat,poultry,oils and fats and nuts were high;the intakes of vegetables,homonemeae,fruits,eggs,fish and shrimp,milk and milk products were low.(2) Energy and nutrient intake:the energy contribution from fats exceeded the recommended value,the energy contribution from carbohydrates was lower than the recommended value,the intakes of dietary fiber,vitamin A,thiamine,riboflavin,calcium and sodium were low,the intakes of vitamin E,phosphorus and iron were high.(3) Physical examination:GD patients' marasmus rate,overweight rate and obesity rate were 25.2%,7.0% and 1.7%,respectively.There was no statistically significant difference between males and females (P>0.05) Conclusion GD patients' food intake kinds are various in Yunnan region,but the dietary structure is unreasonable.
10.Effects of quercetin in combination with bortezomib or lenalidomide on inhibition of proliferation of HL-60 cells
Jie XIAO ; Guomin NIU ; Songmei YIN ; Shuangfeng XIE ; Yiqing LI ; Danian NIE ; Liping MA ; Xiuju WANG ; Yudan WU
The Journal of Practical Medicine 2014;(14):2196-2199
Objective Our preliminary study demonstrates that quercetin can inhibit the proliferation of HL-60 cells. This sudy aimed to find some drugs which could have synergistic effects with quercetin on apoptosis of HL-60 cells. Methods HL-60 cells were cultured with bortezomib at different concentrations (1, 2, 4, 8, 16, and 32μmol/L) alone or combined with quercetin at different concentrations for 48 h. HL-60 cells were cultured with lenalidomide at different concentrations (5, 10, 20, 40, 80, 160, and 320 μmol/L) alone or in combination with quercetin at different concentrations for 48 h. The CCK-8 assay was used to determine the effects on proliferation of HL-60 cells. Results Bortezomib significantly inhibited the proliferation of HL-60 cells (P<0.01). IC50 of quercetin was 49.24μmol/L after cells treated by quercetin combined with bortezomib, which was 13.44μmol/L lower than that treated by quercetin alone. Isobolographic analysis revealed the two drugs had synergistic effect. The results of cell viability of HL-60 cells treated by lenalidomide at lower concentrations (5, 10, 20, 40, and 80μmol/L)were not different from those of the control group (P > 0.05). The results of cell viability of HL-60 cells treated by lenalidomide at higher concentrations (160 and 320μmol/L) were lower than those of the control group (P<0.05). IC50 of quercetin after cells treated by quercetin combined with bortezomib was not different from that treated by quercetin alone. Isobolographic analysis revealed the two drugs had no synergistic effect. Conclusions Bortezomib can inhibit the proliferation of HL-60 cells and it has a synergistic effect with quercetin on HL-60 cells. Lenalidomide has a weaker role in inhibition of the proliferation of HL-60 cells, and it has no synergistic effect with quercetin on HL-60 cells.

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