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Zhang M, Xu P, Wang L, Cheng S, Zhao W. GENETIC SUBTYPE GUIDED RITUXIMAB‐BASED IMMUNOCHEMOTHERAPY IMPROVES OUTCOME IN NEWLY DIAGNOSED DIFFUSE LARGE B‐CELL LYMPHOMA: FIRST REPORT OF A RANDOMIZED PHASE 2 STUDY. Hematol Oncol 2021. [DOI: 10.1002/hon.26_2879] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Hatemi G, Mahr A, Takeno M, Kim D, Melikoglu M, Cheng S, Richter S, Jardon S, Paris M, Chen M, Yazici Y. POS0828 CONSISTENT EFFICACY WITH APREMILAST IN MEN AND WOMEN TO TREAT ORAL ULCERS ASSOCIATED WITH BEHÇET’S SYNDROME: PHASE 3 RELIEF STUDY RESULTS. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.1926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Painful, recurring oral ulcers (OU) associated with Behçet’s syndrome negatively affect quality of life (QoL). Differences across sexes were reported in the frequency of disease manifestations, disease course, and response to colchicine. The phase 3, randomized, double-blind, placebo (PBO)-controlled RELIEF study showed overall efficacy of apremilast (APR) for OU associated with Behçet’s syndrome, including improvements in OU pain, disease activity, and QoL.Objectives:To evaluate the consistency of efficacy with APR in men and women with Behçet’s syndrome.Methods:Adults with active Behçet’s syndrome and ≥3 OU at randomization or ≥2 OU at screening and randomization, without active major organ involvement, were randomized to APR 30 mg BID or PBO during the 12-wk PBO-controlled phase. Randomization was stratified by sex. The primary endpoint was area under the curve for the number of OU through Wk 12 (AUCWk0-12) to assess continued efficacy over the time period in a symptom that waxed and waned. Key secondary endpoints included OU pain, complete response (OU-free), maintenance of complete response, and QoL at Wk 12. Disease activity was also assessed using Behçet’s Syndrome Activity Score (BSAS) and Behçet’s Disease Current Activity Index Form (BDCAF). QoL was assessed using Behçet’s Disease QoL (BDQoL). Prespecified subgroup analyses in men and women were performed to assess treatment effect in primary and secondary endpoints.Results:Eighty men and 127 women were randomized and received ≥1 dose of study medication. Mean age was 38.7 yrs (men) and 40.8 yrs (women). Mean (SD) OU count at baseline was 3.4 (1.4) (PBO) and 3.7 (1.5) (APR) for men and 4.3 (3.2) (PBO) and 4.5 (4.5) (APR) for women. Greater improvements in favor of APR vs PBO were observed in AUCWk0-12 in men and women (Figure 1). Consistency in efficacy with APR was observed between men and women, with greater reduction in pain and achievement of OU complete response (OU-free) and maintenance of response at Wk 12 vs PBO (Table 1). In men and women, consistent treatment effects in favor of APR vs PBO were observed for disease activity and QoL measures, although moderate treatment differences were observed in BDCAI (men/women) and BDQoL (men) (Table 1).Conclusion:Consistent treatment effects in favor of APR vs PBO in clinically relevant outcomes, including OU number and pain, OU complete response, and disease activity measures, were observed in men and women with OU associated with Behçet’s syndrome.Key Secondary Efficacy Outcomes at Wk 12MenWomenPBO(n = 40)APR(n = 40)Tx Difference[95% CI]PBO(n = 63)APR(n = 64)Tx Difference[95% CI]OU CR, n/N (%)8/40 (20.0)21/40 (52.5)32.6 [12.8, 52.4]15/63 (23.8)34/64 (53.1)29.3 [13.2, 45.4]OU CR 6 + 6*, n/N (%)1/40 (2.5)10/40 (25.0)22.8 [8.8, 36.8]4/63 (6.3)21/64 (32.8)26.5 [13.6, 39.3]Pain (VAS)†-12.0 (4.8)-37.6 (4.9)-25.6 [-37.2, -14.1]-17.4 (4.4)-41.5 (4.3)-24.1 [-34.9, -13.3]BSAS†-1.3 (2.4)-14.4 (2.4)-13.1 [-18.8, -7.3]-7.7 (2.4)-19.7 (2.4)-12.0 [-18.0, -6.0]BDCAF†BDCAI-0.1 (0.3)-0.5 (0.3)-0.4 [-1.1, 0.4]-0.7 (0.3)-1.3 (0.3)-0.6 [-1.2, 0.0]Patient’s Perception of Disease Activity-0.2 (0.3)-1.4 (0.3)-1.2 [-1.9, -0.5]-1.0 (0.2)-1.8 (0.2)-0.9 [-1.4, -0.3]Clinician’s Overall Perception of Disease Activity-0.2 (0.3)-1.5 (0.3)-1.3 [-1.9, -0.7]-1.0 (0.2)-1.7 (0.2)-0.7 [-1.3, -0.2]BDQoL†-0.7 (1.0)-2.2 (1.0)-1.5 [-3.8, 0.8]-0.3 (0.9)-4.4 (0.9)-4.1 [-6.3, -2.0]LOCF analyses. *Proportion of patients achieving an OU CR by Wk 6, and remaining OU-free for ≥6 additional wks during the 12-wk PBO-controlled treatment phase. †LS mean (SE) change from baseline. BSAS = Behçet’s Syndrome Activity Scores; BDCAF = Behçet’s Disease Activity Form; CR = complete response; n = number of patients randomized to treatment; Tx = treatment.Acknowledgements:This study was funded by Celgene. Additional analyses were funded by Amgen Inc. Writing support was funded by Amgen Inc. and provided by Kristin Carlin, RPh, MBA, of Peloton Advantage, LLC, an OPEN Health company.Disclosure of Interests:Gulen Hatemi Speakers bureau: AbbVie, Novartis, and UCB, Grant/research support from: Celgene, Alfred Mahr Speakers bureau: Chugai and Roche, Consultant of: Celgene and Chugai, Mitsuhiro Takeno Speakers bureau: AbbVie, Esai, and Mitsubishi-Tanabe, Consultant of: Celgene, Grant/research support from: Novartis, Doyoung Kim: None declared, Melike Melikoglu: None declared, Sue Cheng Employee of: Amgen Inc., Sven Richter Employee of: Amgen Inc., Shauna Jardon Employee of: Amgen Inc., Maria Paris Employee of: Amgen Inc., Mindy Chen Employee of: Amgen Inc., Yusuf Yazici Consultant of: Bristol-Myers Squibb, Celgene, Genentech, and Sanofi
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Elserfy K, Cheng S, Chan HK, Kourmatzis A. Local dynamics of pharmaceutical powder fluidization using high speed long distance microscopy and particle image velocimetry. EXPERIMENTAL THERMAL AND FLUID SCIENCE 2021; 124:110367. [PMID: 35382511 PMCID: PMC8978356 DOI: 10.1016/j.expthermflusci.2021.110367] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The local dynamics of fluidized pharmaceutical carrier powders in a turbulent channel flow was studied using particle image velocimetry (PIV) and High-speed, long-distance microscopy (HS-LDM). Four different lactose powders which have been used as a drug carrier in dry powder inhalers were used in this study. These powders have median powder particle diameters ranging between 61 and 121 μm. Air flow velocities ranging between 13.3 m/s and 66.7 m/s were examined. In addition, the effect of grid blockage ratio (ranging from ~25% to ~40% of the area of channel cross-section) was also investigated. Results show that the high-speed, long-distance microscopy (HS-LDM) technique was able to capture the mean velocity of the particles, and the results corresponded well with the PIV measurements. Results from the high-speed, long-distance microscopy (HS-LDM) method also demonstrate that the span of particle velocity closely follows that of the particle size distribution both for cohesive and non-cohesive powders. This study contributes towards an improved understanding of pharmaceutical carrier dynamics in turbulent channel flows and demonstrates how advanced image processing can be used to capture local particle dynamics.
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Zhong H, Cheng S, Zhang X, Xu B, Chen J, Jiang X, Hu Y, Cui G, Wei J, Qian W, Huang X, Hou M, Yan F, Wang X, Song Y, Hu J, Liu Y, Ma X, Li F, Wu C, Chen J, Yu L, Bai O, Xu J, Zhu Z, Liu L, Zhou X, Huang L, Tong Y, Niu T, Wu D, Xiong J, Zhang H, Wang C, Ouyang B, Yi H, Cai G, Li B, Liu J, Li Z, Xiao R, Wang L, Jiang Y, Liu Y, Zheng X, Xu P, Huang H, Wang L, Chen S, Zhao W. ESA VERSUS MESA WITH SANDWICHED RADIOTHERAPY IN PATIENTS WITH EARLY‐STAGE NATURAL KILLER/T‐CELL LYMPHOMA: A MULTICENTRE, RANDOMISED, PHASE 3, NON‐INFERIORITY TRIAL. Hematol Oncol 2021. [DOI: 10.1002/hon.52_2879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Mahr A, Hatemi G, Takeno M, Kim D, Melikoglu M, Saadoun D, Zouboulis CC, Cheng S, Richter S, Jardon S, Paris M, Chen M, Yazici Y. POS0254 EFFICACY OF APREMILAST IN THE TREATMENT OF ORAL ULCERS OF BEHÇET’S SYNDROME: RESULTS FROM THE EUROPEAN SUBGROUP OF RELIEF. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.2591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Behçet’s syndrome, a chronic, multi-system variable vessel vasculitis, is often characterized by painful oral ulcers (OU) affecting quality of life (QoL). Apremilast (APR), an oral PDE4 inhibitor, demonstrated efficacy in OU treatment in the phase 3 multinational RELIEF study.Objectives:To evaluate APR efficacy in OU treatment in patients with active Behçet’s syndrome in a prespecified subgroup of patients enrolled in 13 European RELIEF sites (France, Germany, Greece, and Italy).Methods:patients were adults with active Behçet’s syndrome and ≥3 OU at randomization or ≥2 OU at screening and randomization, without active major organ involvement. Patients were randomized (1:1) to APR 30 mg BID or PBO during a 12-week double-blind phase. The primary endpoint was area under the curve for the number of OU through Week 12 (AUCWk0-12). Other outcomes were OU pain visual analog scale (VAS); achievement of OU complete response (ie, OU-free) and maintenance of OU complete response (ie, complete response at Week 6 and remaining OU-free for ≥6 additional weeks); OU partial response (ie, OU reduction ≥50%); disease activity (Behçet’s Syndrome Activity Score [BSAS]; Behçet’s Disease Current Activity Form [BDCAF], including Behçet’s Disease Current Activity Index [BDCAI], and Patient’s and Clinician’s Perception of Disease Activity); and QoL (BDQoL; Short Form Health Survey version 2 [SF-36v2], including Physical Functioning [PF] scale and Physical and Mental Component Summary [PCS, MCS]).Results:Of 207 patients randomized and treated in RELIEF, 52 were in the European subgroup. Mean (±SD) age in the subgroup was 39 (±12) years; 54% were women. Baseline disease characteristics were similar between treatment groups (Table 1). Patients receiving APR achieved lower AUCWk0-12 for OU vs PBO (Figure 1) and greater reduction in pain. A greater proportion of patients receiving APR achieved complete, maintained, or partial OU responses at Week 12 vs those receiving PBO (Table 1). Consistent treatment effects favoring APR vs PBO were observed in disease activity, as shown by BSAS and BDCAF component scores at Week 12 (Table 1). Greater improvement in SF-36v2 MCS was observed favoring APR vs PBO at Week 12, and moderate treatment differences were seen for other QoL measures (BDQoL, SF-36v2 PF, and SF-36v2 PCS).Conclusion:In the European subgroup of patients with Behçet’s syndrome and OU in RELIEF, APR resulted in greater reduction in OU count, OU pain, and disease activity as well as favorable treatment effect on QoL measures than PBO. These results are consistent with the efficacy of APR treatment in the overall RELIEF population.Baseline Disease Characteristics, Mean*PBO (n = 27)APR (n = 25)Duration of BD, years9.08.2OU count3.84.0OU pain (VAS 0-100)60.664.2BSAS (0-100)38.741.4BDCAI (0-12)3.53.6BDQoL (0-30)10.59.0Efficacy Outcomes at 12 Weeks*PBO (n = 27)APR (n = 25)Treatment Difference [95% CI]OU pain (VAS 0-100), mean†–17.7–48.7–31.0 [–44.7, –17.3]OU complete response, n (%)‡4 (14.8)16 (64.0)51.5 [29.8, 73.3]OU maintained response, n (%)‡1 (3.7)8 (32.0)26.7 [7.4, 46.0]OU partial response, n (%)‡11 (40.7)21 (84.0)46.0 [23.9, 68.0]BSAS (0-100)†,§–5.23–20.68–15.5 [–22.6, –8.3]BDCAI (0-12)†,§–0.0–1.4–1.4 [–2.2, –0.6]Patient’s Perception of Disease Activity†,§–0.4–1.6–1.2 [–2.1, –0.4]Clinician’s Overall Perception of Disease Activity†,§−0.6−1.7–1.0 [–1.7, –0.4]BDQoL (0-30)†,§–1.25–2.37–1.12 [–3.8, 1.5]SF-36v2 MCS (0-100)†,§–2.14.26.3 [2.2, 10.4]*ITT population.†LS mean of the change from baseline at Week 12.‡Non-responder imputation for missing data.§LOCF approach. All efficacy endpoints (except BDQoL) were significant at the level of P<0.05.Acknowledgements :This study was funded by Celgene. Additional analyses were funded by Amgen Inc. Writing support was funded by Amgen Inc. and provided by Kristin Carlin, RPh, MBA, of Peloton Advantage, LLC, an OPEN Health company.Disclosure of Interests:Alfred Mahr Speakers bureau: Chugai; Roche, Consultant of: Celgene; Chugai, Gulen Hatemi Speakers bureau: AbbVie, Novartis, and UCB, Grant/research support from: Celgene, Mitsuhiro Takeno Speakers bureau: AbbVie, Esai, and Mitsubishi-Tanabe, Consultant of: Celgene, Grant/research support from: Novartis, Doyoung Kim: None declared, Melike Melikoglu: None declared, david Saadoun Consultant of: AbbVie, Celgene, Janssen, and Roche, Grant/research support from: AbbVie and Roche, Christos C. Zouboulis Speakers bureau: Amgen, Galderma, Pierre Fabre, PPM and Sobi, Consultant of: AbbVie, AccureAcne, Almirall, Bayer Healthcare, GSK/Stiefel, Incyte, Inflarx, Janssen, Novartis, PPM, Regeneron, and UCB, Grant/research support from: Celgene, NAOS-BIODERMA, and Relaxera, Sue Cheng Employee of: Amgen Inc, Sven Richter Employee of: Amgen Inc, Shauna Jardon Employee of: Amgen Inc, Maria Paris Employee of: Amgen Inc, Mindy Chen Employee of: Amgen Inc, Yusuf Yazici Consultant of: Bristol-Myers Squibb, Celgene, Genentech, and Sanofi
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Wang MC, Zhang YY, Yu SC, Zhu SB, Xu L, Ni KX, Cheng S, Ding GQ, Li GH. [An evidence-based analysis comparing two approaches of robot-assisted laparoscopic radical prostatectomy: the standard technique and Retzius-sparing technique]. ZHONGHUA YI XUE ZA ZHI 2021; 101:1083-1087. [PMID: 33878836 DOI: 10.3760/cma.j.cn112137-20200902-02546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To compare the postoperative outcomes and urinary continence recovery time between standard robotic-assisted laparoscopic radical prostatectomy (RARP) and Retzius-sparing robotic-assisted laparoscopic radical prostatectomy (RsRARP). Methods: A total of 92 patients with low to intermediate-risk prostate cancer who underwent RARP (n=52) and RsRARP (n=40) in Sir Run Run Shaw Hospital from October, 2016 to January, 2018 were retrospectively reviewed. Perioperative data (operative time, estimated blood loss, complications, postoperative staging, postoperative Gleason score) and surgical outcomes (rate of margin positive, urinary continence recovery time) of RARP and RsRARP group were comparatively analyzed. Results: All 92 cases were successfully performed with robot. RARP group had a significantly shorter mean operative time when compared with that in RsRARP group ((103±23) min vs (130±26) min, P<0.05). The two groups had comparable estimated blood loss ((100±54) ml vs (103±64) ml, P>0.05), rate of postoperative infection (5.8% (3/52) vs 5.0% (2/40), P>0.05) and rate of postoperative urine leakage (3.8%(2/52) vs 2.5%(1/40), P>0.05). The two groups had a comparable rate of margin positive (7.7%(4/52) vs 12.5%(5/40), P>0.05). Compared with RsRARP group, the RARP group had a lower rate of urinary continence recovery immediately after the catheter removing at 1 week, 1 month and 3 months after the operation (all P>0.05). The two group had a comparable rate of urinary continence recovery at 6 months after the operation (P>0.05). Conclusion: The RsRARP technique has a good tumor control and obvious advantage of early urinary continence recovery compared with the standard RARP technique. RsRARP technique is safe and effective for the treatment of localized prostate cancer.
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Zhou M, Wang R, Cheng S, Xu Y, Luo S, Zhang Y, Kong L. Correction to: Bibliometrics and visualization analysis regarding research on the development of microplastics. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:14210. [PMID: 33538978 DOI: 10.1007/s11356-021-12767-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
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Ma K, Cai Y, Wang X, Cheng S, Xu Y, Sun C, Guo Y. P86.23 Clinical Efficacy Analysis of Apatinib as a Second-Or Further-Line Treatment in Patients With Advanced NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Zhang B, Peng M, Cheng S, Sun L. A decision-making method based on Bayesian optimization algorithm for small modular reactor. KERNTECHNIK 2021. [DOI: 10.1515/kern-2020-850208] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Small modular reactors (SMRs) are suitable for deployment in isolated underdeveloped areas to support highly localized microgrids. In order to achieve almost autonomous operation for reducing the cost of operating personnel, an autonomous control system with decision-making capability is needed. In this paper, a decision-making method based on Bayesian optimization algorithm (BOA) is proposed to explore the optimal operation scheme under fault conditions. BOA is used to adjust exploration strategy of operation scheme according to observations (operation schemes previously explored). To measure the feasibility of each operation scheme, an objective function that considers security and economy is established. BOA attempts to obtain the optimal operation scheme with maximum of the objective function in as few iterations as possible. To verify the proposed method, all main pump powered off fault is simulated by RELAP5 code. The optimal operation scheme of the fault is applied, the transient result shows that all key parameters are within safe limits and SMR is maintained at relatively high power, which means that BOA has the decision-making capability to get an optimal operation scheme on fault conditions.
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Shen X, Sha W, Yang C, Pan Q, Cohen T, Cheng S, Cai Q, Kan X, Zong P, Zeng Z, Tan S, Liang R, Bai L, Xia J, Wu S, Sun P, Wu G, Cai C, Wang X, Ai K, Liu J, Yuan Z. Continuity of TB services during the COVID-19 pandemic in China. Int J Tuberc Lung Dis 2021; 25:81-83. [PMID: 33384053 DOI: 10.5588/ijtld.20.0632] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Zhou M, Wang R, Cheng S, Xu Y, Luo S, Zhang Y, Kong L. Bibliometrics and visualization analysis regarding research on the development of microplastics. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:8953-8967. [PMID: 33447976 DOI: 10.1007/s11356-021-12366-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 01/03/2021] [Indexed: 06/12/2023]
Abstract
Microplastics have caused considerable harm to the environment and threatened human health due to their strong adsorption and hard biodegradation. Therefore, the research of microplastic received increasing attention recently, producing numbers of related achievements. To comprehensively grasp the quantitative information of published papers on "microplastics," we analyzed the research progress and hotspots of "microplastics" through visualization software "VOSviewer." The results show that the number of literature on microplastics published from 2009 to 2019 increased exponentially (R2 = 0.9873). The top 10 cited references are mainly in "zooplankton ingesting microplastics," "microplastics in artificially cultivated bivalve," "microplastics in surface waters such as lakes," etc. The cutting-edge microplastics research is adsorption, biodegradation, ingestion and accumulation model, and toxicity analysis. In addition, the results predict that the combination of constructed wetland, biotechnology, and photocatalysis to remove microplastics will become new hotspots. The study provides researchers in microplastics with an overview of existing research and directional guidance for future research.
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Cheng S, Wojnarowska Z, Musiał M, Paluch M. Correlation between configurational entropy, excess entropy, and ion dynamics in imidazolium-based ionic liquids: Test of the Adam–Gibbs model. J Chem Phys 2021; 154:044502. [DOI: 10.1063/5.0040439] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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Lowe A, Singh G, Chan HK, Masri AR, Cheng S, Kourmatzis A. Erratum to "Fragmentation dynamics of single agglomerate-to-wall impaction" [Powder Technology 378 (2021) 561-575, DOI: 10.1016/j.powtec.2020.10.021]. POWDER TECHNOL 2021; 382:262. [PMID: 35001976 PMCID: PMC8733858 DOI: 10.1016/j.powtec.2020.12.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
[This corrects the article PMC8724865.].
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Xiao X, Ai R, Tian Y, Mi N, Liu W, Cheng S, Qian N, Zhu X. Study on the Mechanism of Action of MicroRNA-140-5p in the Treatment of Autism by Regulating the Nuclear Factor Kappa B Signaling Pathway. Indian J Pharm Sci 2021. [DOI: 10.36468/pharmaceutical-sciences.spl.343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Lowe A, Singh G, Chan HK, Masri A, Cheng S, Kourmatzis A. Fragmentation dynamics of single agglomerate-to-wall impaction. POWDER TECHNOL 2021; 378 Pt A:561-575. [DOI: 10.1016/j.powtec.2020.10.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Sacco S, Caverzasi E, Papinutto N, Cordano C, Bischof A, Gundel T, Cheng S, Asteggiano C, Kirkish G, Mallott J, Stern WA, Bastianello S, Bove RM, Gelfand JM, Goodin DS, Green AJ, Waubant E, Wilson MR, Zamvil SS, Cree BA, Hauser SL, Henry RG. Neurite Orientation Dispersion and Density Imaging for Assessing Acute Inflammation and Lesion Evolution in MS. AJNR Am J Neuroradiol 2020; 41:2219-2226. [PMID: 33154077 DOI: 10.3174/ajnr.a6862] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 07/29/2020] [Indexed: 01/22/2023]
Abstract
BACKGROUND AND PURPOSE MR imaging is essential for MS diagnosis and management, yet it has limitations in assessing axonal damage and remyelination. Gadolinium-based contrast agents add value by pinpointing acute inflammation and blood-brain barrier leakage, but with drawbacks in safety and cost. Neurite orientation dispersion and density imaging (NODDI) assesses microstructural features of neurites contributing to diffusion imaging signals. This approach may resolve the components of MS pathology, overcoming conventional MR imaging limitations. MATERIALS AND METHODS Twenty-one subjects with MS underwent serial enhanced MRIs (12.6 ± 9 months apart) including NODDI, whose key metrics are the neurite density and orientation dispersion index. Twenty-one age- and sex-matched healthy controls underwent unenhanced MR imaging with the same protocol. Fifty-eight gadolinium-enhancing and non-gadolinium-enhancing lesions were semiautomatically segmented at baseline and follow-up. Normal-appearing WM masks were generated by subtracting lesions and dirty-appearing WM from the whole WM. RESULTS The orientation dispersion index was higher in gadolinium-enhancing compared with non-gadolinium-enhancing lesions; logistic regression indicated discrimination, with an area under the curve of 0.73. At follow-up, in the 58 previously enhancing lesions, we identified 2 subgroups based on the neurite density index change across time: Type 1 lesions showed increased neurite density values, whereas type 2 lesions showed decreased values. Type 1 lesions showed greater reduction in size with time compared with type 2 lesions. CONCLUSIONS NODDI is a promising tool with the potential to detect acute MS inflammation. The observed heterogeneity among lesions may correspond to gradients in severity and clinical recovery after the acute phase.
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Cheng S, Cai M, Liu X, Zhang N, Jin R, Yang S, Hu Y, Hua W, Zhang S. Periodic repolarization dynamics for prediction of mortality: a systematic review and meta-analysis. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0764] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Prediction of death is the philosopher's stone of arrhythmology. The electrophysiology has proven to be an important tool to predict the risk of death. Periodic repolarization dynamics (PRD) is a novel electrocardiographic marker that indicates the sympathetic effect on repolarization. PRD qualifies the low-frequency oscillations of cardiac repolarization instability using high-resolution 12 channel 24-h Holter recording. Several studies showed that PRD was an independent predictor of all-cause mortality and cardiac mortality. However, the prediction value of PRD has not been established.
Purpose
To evaluate the prediction value of PRD as an approach of risk stratification that selects patients at a higher risk of death.
Methods
We conducted electronic searches of MEDLINE (PubMed), Embase, Cochrane Register of Controlled Trials (CENTRAL), Science Citation Index Expanded, WHO International Clinical Trials Registry platform (ICTRP) and ClinicalTrials.gov from inception to January 9th, 2020. We also screened for relevant abstracts from conferences including ACC Annual Scientific Sessions, ESC Congress and Annual Congress of the EHRA for the last five years (2014–2019). The primary outcome was all-cause mortality and secondary outcome was cardiac mortality. We included study with large sample size while more than one study were found based on the same originated population. We extracted data from included studies and reported pooled outcomes as hazard ratios (HRs) with 95% confidential intervals (CI) for time-to-event outcomes using DerSimonian-Laird random-effects model. We did statistical analyses using Stata version 12.0 and R version 3.6.1.
Results
5 studies including 6758 patients met all selection criteria for our meta-analysis. Follow-up period ranged from 20.4 to 75.1 months. Among 5 studies, 3 studies considered PRD as dichotomous variable and the cut-off value was 5.75 deg2, while 2 studies considered PRD as continuous variable and coefficient was expressed in standardized units (increase per standard deviation). We did subgroup analysis according to the type of variable because of heterogeneity. There was a significant higher risk of all-cause mortality in PRD ≥5.75 deg2 patients compared with PRD <5.75 deg2 patients (HR 2.37, 95% CI 1.77–3.17). As for continuous variable, increased PRD was a predictor for all-cause death (HR 1.28, 95% CI 1.14–1.42) (Figure). The cardiac mortality was significantly increased in patients with PRD ≥5.75 deg2 vs PRD <5.75 deg2 (HR 3.06, 95% CI 1.66–5.65). Increased PRD was associated with cardiac mortality in continuous variable subgroup (HR 1.34, 95% CI 1.21–1.48) (Figure).
Conclusion
Our findings suggest PRD is a significant predictor of all-cause mortality and cardiac mortality. PRD provides new additional electrophysiological indicator for risk stratification until further investigations are available.
Funding Acknowledgement
Type of funding source: None
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Musiał M, Cheng S, Wojnarowska Z, Paluch M. Density, viscosity, and high-pressure conductivity studies of tricyanomethanide-based ionic liquids. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113971] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Cheng S, Musiał M, Wojnarowska Z, Ngai K, Jacquemin J, Paluch M. Universal scaling behavior of entropy and conductivity in ionic liquids. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113824] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Cheng S, Han ZG, Liu FH, Cao HH, Xu HF, Li Y, Zhang WK, Cao XB. [Analysis on influencing factors on HIV testing behaviors in some foreigners in Guangzhou]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2020; 41:1092-1096. [PMID: 32741177 DOI: 10.3760/cma.j.cn112338-20200219-00123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the influencing factors of HIV testing behavior among foreigners in Guangzhou, and provide a reference for promoting HIV testing and intervention services in foreigners. Methods: A cross-sectional survey was conducted from November 2019 to January 2020 among 230 eligible foreigners selected in Guangzhou through convenient sampling method in the form of one-to-one questionnaire interview, HIV testing behaviors and related influencing factors were described and analyzed with χ(2) test and multivariate logistic regression model. Results: A total of 230 foreigners were included in the study, in whom 156 were males (67.8%), 217 were from Africa (94.3%), 138 (60.0%) were with education level of university and above, 169 (73.5%) were in business, 47 (20.4%) were students, 132 (57.4%) had cumulative residence >12 months in Guangzhou and 113 (49.1%) had health examination in China in the past 6 months. In these foreigners, the rate of AIDS-related knowledge awareness was 76.0%, the proportion of condom use in the last sex was 39.6%(89/225) and 47.8%(110/230) received HIV tests in the past 3 months. Multivariate logistic regression analysis showed, the influencing factors of HIV testing behavior in the past 3 months included cumulative residence ≤12 months (compared with cumulative residence >12 months, OR=3.12, 95%CI: 1.49-6.56), health examination in China in the past 6 months (compared to those who had not, OR=2.53, 95%CI: 1.17-5.48), awareness of HIV testing and consulting service in Guangzhou (compared with those who had no awareness, OR=3.65, 95%CI: 1.71-7.78). Conclusions: Some foreigners in Guangzhou had relatively low rates of HIV testing and condom use. Those who pay attention to their own health status and know well about HIV testing and consulting services are more likely to receive HIV testing, foreigners in Guangzhou should be encouraged to receive HIV testing. Their self-testing awareness should be improved.
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Zhong F, Yu C, Chen Y, Wu X, Wu J, Liu G, Zhang J, Deng Z, Cheng S. Nutrient Removal Process and Cathodic Microbial Community Composition in Integrated Vertical-Flow Constructed Wetland - Microbial Fuel Cells Filled With Different Substrates. Front Microbiol 2020; 11:1896. [PMID: 32849471 PMCID: PMC7419476 DOI: 10.3389/fmicb.2020.01896] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 07/20/2020] [Indexed: 12/26/2022] Open
Abstract
An integrated vertical-flow constructed wetland-microbial fuel cell system (CW-MFC), consisting of an up-flow chamber and a down-flow chamber, was constructed to treat synthetic sewage wastewater. The performance of CW-MFCs filled with different substrates [i.e., ceramsite (CM-A), quartz (CM-B), and zeolite (CM-C) granules] under various hydraulic retention times (HRTs, 7.6, 4.0, and 2.8 d) was evaluated. Efficient and stable nitrogen (N) and phosphorus (P) removals were observed in CM-A under different HRTs, while the voltage outputs of the CW-MFCs was greatly reduced as the HRTs decreased. With an HRT of 2.8 d, the ammonium (NH4 +-N) and orthophosphate (PO4 3--P) removal efficiencies in CM-A were as high as 93.8 and 99.6%, respectively. Bacterial community analysis indicates that the N removal in the cathode area of CM-A could potentially benefit from the appearance of nitrifying bacteria (e.g., Nitrosomonas and Nitrospira) and relatively high abundance of denitrifiers involved in simultaneous nitrification and denitrification (e.g., Hydrogenophaga, Zoogloea, and Dechloromonas) and denitrifying sulfide removal (e.g., Thauera). Additionally, the difference in N removal efficiency among the CW-MFCs could be partly explained by higher iron (Fe) content in milled ceramsite granules and higher abundance of denitrifiers with nitrate reduction and ferrous ions oxidation capabilities in CM-A compared with that in CM-B and CM-C. Efficient PO4 3--P removal in CM-A was mainly ascribed to substrate adsorption and denitrifying phosphorus (P) removal. Concerning the substantial purification performance in CM-A, ceramsite granules could be used to improve the nutrient removal efficiency in integrated vertical-flow CW-MFC.
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Cheng S, Goh SSN, Feng JF, Mantoo S. Limberg flap for pilonidal sinus disease - a video vignette. Colorectal Dis 2020; 22:970. [PMID: 32065481 DOI: 10.1111/codi.15023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 02/11/2020] [Indexed: 02/08/2023]
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Parmar A, Richardson M, Coyte PC, Cheng S, Sander B, Chan KKW. A cost-utility analysis of atezolizumab in the second-line treatment of patients with metastatic bladder cancer. Curr Oncol 2020; 27:e386-e394. [PMID: 32905260 PMCID: PMC7467791 DOI: 10.3747/co.27.5459] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background Despite initial promising results, the IMvigor211 clinical trial failed to demonstrate an overall survival (os) benefit for atezolizumab compared with chemotherapy as second-line treatment for metastatic bladder cancer (mbc). However, given lessened adverse events (aes) and preserved quality of life (qol) with atezolizumab, there might still be investment value. To evaluate that potential value, we conducted a cost-utility analysis (cua) of atezolizumab compared with chemotherapy from the perspective of the Canadian health care payer. Methods A partitioned survival model was used to evaluate atezolizumab compared with chemotherapy over a lifetime horizon (5 years). The base-case analysis was conducted for the intention-to-treat (itt) population, with additional scenario analyses for subgroups by IMvigor-defined PD-L1 status. Health outcomes were evaluated through life-year gains and quality-adjusted life-years (qalys). Cost estimates in 2018 Canadian dollars for systemic treatment, aes, and end-of-life care were incorporated. The incremental cost-effectiveness ratio (icer) was used to compare treatment strategies. Parameter and model uncertainty were assessed through sensitivity and scenario analyses. Per Canadian guidelines, cost and effectiveness were discounted at 1.5%. Results For the itt population, the expected qalys for atezolizumab and chemotherapy were 0.75 and 0.56, with expected costs of $90,290 and $8,466 respectively. The resultant icer for atezolizumab compared with chemotherapy was $430,652 per qaly. Scenario analysis of patients with PD-L1 expression levels of 5% or greater led to a lower icer ($334,387 per qaly). Scenario analysis of observed compared with expected benefits demonstrated a higher icer, with a shorter time horizon ($928,950 per qaly). Conclusions Despite lessened aes and preserved qol, atezolizumab is not considered cost-effective for the second-line treatment of mbc.
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Yang D, Jin Y, Cheng S, Yang Y. The interaction between circular RNA hsa_circ_0000285 and miR-599 in thyroid cancer. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2020; 24:7219. [PMID: 32706057 DOI: 10.26355/eurrev_202007_21870] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Since this article has been suspected of research misconduct and the corresponding authors did not respond to our request to prove originality of data and figures, "The interaction between circular RNA hsa_circ_0000285 and miR-599 in thyroid cancer, by D. Yang, Y. Jin, S. Cheng, Y. Yang, published in Eur Rev Med Pharmacol Sci 2020; 24 (9): 4882-4889-DOI: 10.26355/eurrev_202005_21177-PMID: 32432751" has been withdrawn. The Publisher apologizes for any inconvenience this may cause. https://www.europeanreview.org/article/21177.
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Wang Y, Shen L, Wu J, Zhong F, Cheng S. Step-feeding ratios affect nitrogen removal and related microbial communities in multi-stage vertical flow constructed wetlands. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 721:137689. [PMID: 32169643 DOI: 10.1016/j.scitotenv.2020.137689] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 02/25/2020] [Accepted: 03/01/2020] [Indexed: 06/10/2023]
Abstract
Step-feeding (SF) strategies have been adopted in several types of constructed wetlands (CWs) to enhance nitrogen (N) removal. However, it is unclear how SF affects the N-transforming bacterial communities in CWs. Herein, four multi-stage vertical flow constructed wetlands (MS-VFCWs), each including three vertical flow stages (stage 1-3), were operated under different SF ratios (0%, 10%, 20% and 30%) in the stage 2. The physicochemical influent and effluent parameters, i.e., redox potential (ORP), pH value, chemical oxygen demand (COD), total nitrogen (TN), ammonia (NH4+-N), nitrate (NO3--N), and nitrite (NO2--N), free-ammonia (FA) concentration, COD/TN ratio, as well as the abundance, structure, and activity of N-transforming bacteria were investigated. Results showed that N removal in a multi-stage vertical flow constructed wetland in the absence of SF was 45.0 ± 7.74%. Alternatively, a combined SF ratio of 20% increased N removal to 61.7% ± 4.50%, accounting for a 37.1% increase compared to the SF ratio of 0%. In the microbial community, FA was determined to be the primary physicochemical parameter governing nitrification processes in MS-VFCWs. Further, partial nitrification processes played an important role in ammonium removal during stage 1, while ammonia-oxidizing archaea were major contributors to ammonium removal in stage 3. Furthermore, abundance of nitrite reductase genes (nirS, nirK) and relative abundance of denitrifying bacteria increased with increasing SF ratio; while the nirS/nirK ratio and the alpha diversity of nirK denitrifiers were significantly affected by SF ratios, and the influent NO3--N concentration was related to a shift in denitrifier composition toward strains containing the nirS gene. Autotrophic (e.g., Thiobacillus, Sulfurimonas, Arenimonas, Gallionella and Methyloparacoccus) and facultative chemolithoautotrophic (e.g., Pseudomonas and Denitratisoma) denitrifying bacteria were enriched in stage 2. Hence, the synergy between heterotrophic and autotrophic denitrifying bacteria promoted excellent N removal efficiency with a low COD/TN ratio.
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