The efficacy and adverse events of arsenic trioxide for the patients with myelodysplastic syndrome: a systematic review and component network meta-analysis.

BACKGROUND: Arsenic trioxide (ATO) might be effective for myelodysplastic syndrome (MDS) by apoptosis induction and demethylation. But ATO has not been widely recommended for small sample and conflicting conclusion of existing trials. This review aimed to systematically evaluate the efficacy of regimens containing ATO for the MDS and explore optimal combination. METHOD: Randomized clinical trials (RCTs) about ATO regimens were retrieved from China National Knowledge Infrastructure, Embase and PubMed. With odds ratio (OR) as the effect size, network meta-analysis (NMA) and component network meta-analysis (CNMA) were conducted by R and 'netmeta' package, after study selection, quality assessment and data extraction. RESULT: Thirty-night RCTs were included with a total of 2125 patients, including 1235 treated by ATO containing regimen. With support therapy alone as reference, no inconsistency and heterogeneity were observed. Although NMA did not demonstrate better efficacy of ATO alone, the result of CNMA indicated that ATO was effective in the improvement of overall remission (ORR) [OR = 2.09(1.61, 2.71)] and complete remission (CR) [OR = 1.66(1.25, 2.21)]. Five ATO-containing regimens reported could effectively improve ORR, some of them benefit in CR or hematological improvement (HI) as well. ATO + Traditional Chinese Medicine (TCM), ATO + Thalidomide (T)+TCM, ATO + Chemotherapy (Chem)+T + TCM were regarded as the optimal combination, which improved both ORR, CR and HI in theory. ATO did not increase the risk of common adverse events compared to supportive therapy [(OR = 0.90(0.67, 1.21)]. CONCLUSION: ATO may be an effective and well-tolerant option for patients with myelodysplastic syndrome.

Distributed Fusion Estimation for Stochastic Uncertain Systems With Network-Induced Complexity and Multiple Noise.

This article investigates an issue of distributed fusion estimation under network-induced complexity and stochastic parameter uncertainties. First, a novel signal selection method based on event trigger is developed to handle network-induced packet dropouts, as well as packet disorders resulting from random transmission delays, where the H2/H∞ performance of the system is analyzed in different noise environments. In addition, a linear delay compensation strategy is further employed for solving the complex network-induced problem, which may deteriorate system performance. Moreover, a weighted fusion scheme is used to integrate multiple resources through an error cross-covariance matrix. Several case studies validate the proposed algorithm and demonstrate satisfactory system performance in target tracking.

[Regularity of prescription medication of Xin'an Wang's internal medicine in treating stomach cramps based on data mining].

The study analyzes the medication rules of Xin'an Wang's internal medicine for treating stomach cramps by data mining technology,in order to provide reference for clinical medication. Through the summarization of the medical cases of stomach cramps treated by Xin'an Wang's doctors( Wang Ren-zhi,Wang Zhong-qi,Wang Le-tao),statistics was made for the frequency of symptoms,signs,syndromes and drugs in Office 2010. Apriori algorithm in IBM SPSS Modeler 14. 1,and SPSS Statistics 22. 0 were used for association rule analysis and cluster analysis. The results showed that the 310 prescriptions collected involved totally 322 syndromes( including symptoms and signs) and 336 drugs,with the cumulative dose of 4 072 times; the symptoms were correlated to the spleen and stomach,liver and gallbladder,and the heart system; syndrome differentiation was mainly based on liver-Qi invasion of the stomach,diet impairment to the stomach,deficiency of spleen and stomach and cold syndrome; commonly used drugs were Qi regulating drugs,phlegm eliminating drugs and blood circulation promoting and stasis removing drugs; high-frequency drug complex network diagram showed that Pinelliae Rhizoma,Aurantii Fructus,Trichosanthis Fructus,Allii Macrostemonis Bulbus were closely related; the analysis showed 12,20,and 17 two,three,and four association rules; cluster analysis showed 10 pairs of Trichosanthis Fructus-Allii Macrostemonis Bulbus,Pinelliae Rhizoma-Aurantii Fructus,and Aspongopus-Toosendan Fructus drug combinations. According to Xin' an Wang's doctors,stomach cramps are closely related to liver and spleen,Qi stagnation,phlegm and blood stasis are the standard.Xin'an Wang's doctors give the first priority on " deoppilation",focus on soothing the liver and spleen,activating Qi and eliminating phlegm,and promoting blood circulation,and refer to use modified Xiaoxianxiong Decoction and modified Gualou Xiebai Banxia Decoction based on symptoms.

Compound Zhebei granules combined with chemotherapy for the treatment of refractory acute leukemia: a randomized clinical trial.

OBJECTIVE: To observe the effect of compound Zhebei granules (CZBG) with chemotherapy in the treatment of refractory acute leukemia. METHODS: In this multicenter, double-blind, placebo-controlled clinical trial, we used a central (online) randomization system to assign 235 patients to two treatment groups. A total of 118 patients received chemotherapy combined with CZBG (4 g, twice daily) and 117 patients received chemotherapy plus placebo. The clinical efficacy was evaluated at the end of one chemotherapeutic cycle. RESULTS: In the full analysis set, in which deaths due to disease progression were regarded as inefficacy, the rates of complete remission (CR) and partial remission (CR + PR) were 32.35% and 50.00% , respectively, for the chemotherapy combined with CZBG group, and 23.08% and 35.58%, respectively, for the chemotherapy plus placebo group. There was a statistically significant difference between the two groups according to a χ2 test (P < 0.05). In the per protocol analysis set (PPS), the CR (33.67%), CR+PR (52.04%) response rates for the chemotherapy plus CZBG group were significantly different from the response rates of the control group (CR: 24.24% and CR+PR: 37.37%), respectively (P < 0.05). CONCLUSION: CZBG plus chemotherapy can improve the clinical remission rate of refractory acute leukemia after one just one therapeutic cycle.