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检索条件"机构=Biostat and Programming"
416 条 记 录,以下是21-30 订阅
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Historical Control Data Borrowing for Noninferiority Assessment
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STATISTICS IN BIOPHARMACEUTICAL RESEARCH 2022年 第4期14卷 463-472页
作者: Quan, Hui Xu, Zhixing Cho, Meehyung Dong, Yingwen Jia, Nan Sanofi Biostat & Programming 55 Corp Dr Bridgewater NJ 08807 USA
Noninferiority (NI) assessment is often performed to evaluate whether a test treatment can preserve certain proportion of the treatment effect of an active control compared to placebo. Two methods are usually applied ... 详细信息
来源: 评论
Multiple Comparisons in Microarray Data Analysis
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STATISTICS IN BIOPHARMACEUTICAL RESEARCH 2010年 第3期2卷 368-382页
作者: Zhang, Donghui Liu, Li Sanofi Aventis Biostat & Programming Bridgewater NJ 08807 USA
Multiplicity is a challenging statistical issue in drug discovery, and a particular example is microarray study. The traditional approach of controlling of the family-wise error rate (FWER) is conservative when the nu... 详细信息
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Considerations of multiple imputation approaches for handling missing data in clinical trials
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CONTEMPORARY CLINICAL TRIALS 2018年 70卷 62-71页
作者: Quan, Hui Qi, Li Luo, Xiaodong Darchy, Loic Sanofi Biostat & Programming 55 Corp Dr Bridgewater MA 08807 USA
Missing data exist in all clinical trials and missing data issue is a very serious issue in terms of the interpretability of the trial results. There is no universally applicable solution for all missing data problems... 详细信息
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Comparing Two Tests for Two Rates
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AMERICAN STATISTICIAN 2017年 第3期71卷 275-281页
作者: Fan, Chunpeng Wang, Lin Wei, Lynn Sanofi US Inc Dept Biostat & Programming Bridgewater NJ 08807 USA
This article rigorously proves superiority of the proportion chi(2) test to the logistic regression Wald test in terms of power when comparing two rates, despite their asymptotic equivalence under the null hypothesis ... 详细信息
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Applications of Bayesian analysis to proof-of-concept trial planning and decision making
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PHARMACEUTICAL STATISTICS 2020年 第4期19卷 468-481页
作者: Quan, Hui Chen, Xun Lan, Yu Luo, Xiaodong Kubiak, Rene Bonnet, Nicolas Paux, Gautier Sanofi Biostat & Programming 55 Corp Dr Bridgewater NJ 08807 USA
Decision making is a critical component of a new drug development process. Based on results from an early clinical trial such as a proof of concept trial, the sponsor can decide whether to continue, stop, or defer the... 详细信息
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SAMPLE SIZE DETERMINATION IN TWO-SIDED DISTRIBUTION-FREE TREATMENT VERSUS CONTROL MULTIPLE COMPARISONS
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JOURNAL OF BIOPHARMACEUTICAL STATISTICS 2013年 第6期23卷 1308-1329页
作者: Fan, Chunpeng Zhang, Donghui Sanofi US Inc Dept Biostat & Programming Bridgewater NJ 08807 USA
The problem of power and sample size determination for distribution-free multiple comparison tests of K treatments versus a control group is addressed. We define the power as the probability of correctly rejecting one... 详细信息
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ROBUST SMALL SAMPLE INFERENCE FOR GENERALISED ESTIMATING EQUATIONS: AN APPLICATION OF THE ANOVA-TYPE TEST
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AUSTRALIAN & NEW ZEALAND JOURNAL OF STATISTICS 2014年 第3期56卷 237-255页
作者: Fan, Chunpeng Zhang, Donghui Sanofi US Inc Dept Biostat & Programming Bridgewater NJ 08807 USA
Asymptotically, the Wald-type test for generalised estimating equations (GEE) models can control the type I error rate at the nominal level. However in small sample studies, it may lead to inflated type I error rates.... 详细信息
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Statistical Evaluation of Four Central Reading Processes
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STATISTICS IN BIOPHARMACEUTICAL RESEARCH 2021年 第1期13卷 82-90页
作者: Fan, Chunpeng Wei, Lynn Sanofi US Inc Dept Biostat & Programming Bridgewater NJ 08807 USA
In medical and clinical studies, videos, images, or other form of information carriers may be centrally read to provide scores or measurements for medically or clinically meaningful endpoints. Since the simple one cen... 详细信息
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Statistical Evaluation of the Orthogonal Pooling Strategy for High-Throughput Screening
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STATISTICS IN BIOPHARMACEUTICAL RESEARCH 2015年 第3期7卷 161-173页
作者: Fan, Chunpeng Zhang, Donghui Sanofi US Inc Dept Biostat & Programming Bridgewater NJ 08807 USA
In high-throughput screening (HTS), compounds can be tested in mixtures using the orthogonal pooling strategy. However, several experimental studies that used two-way orthogonal pooling have shown that the rate of fal... 详细信息
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A case study of an adaptive design for a clinical trial with 2 doses and 2 endpoints in a rare disease area
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PHARMACEUTICAL STATISTICS 2018年 第6期17卷 797-810页
作者: Quan, Hui Xu, Yi Chen, Yixin Gao, Lei Chen, Xun Sanofi Biostat & Programming 55 Corp Dr Bridgewater NJ 08807 USA
Patient recruitment is challenging in rare disease clinical trials. To save time and resources, an inferential seamless phase II/III clinical trial design is considered for a clinical trial in a rare disease area. In ... 详细信息
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