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Response-adaptive trial designs with accelerated Thompson sampling

期刊: PHARMACEUTICAL STATISTICS, ; ()

In a clinical trial, sometimes it is desirable to allocate as many patients as possible to the best treatment, in particular, when a trial for a rare ......

A Bayesian adaptive design for biosimilar trials with time-to-event endpoint

期刊: PHARMACEUTICAL STATISTICS, ; ()

A biosimilar drug is a biological product that is highly similar to and at the same time has no clinically meaningful difference from licensed product......

A weighted log-rank test and associated effect estimator for cancer trials with delayed treatment effect

期刊: PHARMACEUTICAL STATISTICS, ; ()

The standard log-rank test has been extended by adopting various weight functions. Cancer vaccine or immunotherapy trials have shown a delayed onset o......

Estimation of group means in generalized linear mixed models

期刊: PHARMACEUTICAL STATISTICS, 2020; 19 (5)

In this study, we investigate the concept of the mean response for a treatment group mean as well as its estimation and prediction for generalized lin......

Regional consistency and sample size considerations in a multiregional equivalence trial

期刊: PHARMACEUTICAL STATISTICS, 2020; 19 (6)

The main objective of a confirmatory multiregional clinical trial (MRCT) is to demonstrate the overall efficacy of test drugs in all participating reg......

Evaluating thetime-dependentpredictive accuracy forevent-to-timeoutcome with a cure fraction

期刊: PHARMACEUTICAL STATISTICS, 2020; 19 (6)

In medical studies, it is often observed that a portion of subjects will never experience the event of interest and thus can be treated as cured or lo......

A novel quantification of information for longitudinal data analyzed by mixed-effects modeling

期刊: PHARMACEUTICAL STATISTICS, 2020; 19 (4)

Nonlinear mixed-effects (NLME) modeling is one of the most powerful tools for analyzing longitudinal data especially under the sparse sampling design.......

Comparing Bayesian early stopping boundaries for phaseIIclinical trials

期刊: PHARMACEUTICAL STATISTICS, 2020; 19 (6)

When designing phase II clinical trials, it is important to construct interim monitoring rules that achieve a balance between reliable early stopping ......

A resampling-based test for two crossing survival curves

期刊: PHARMACEUTICAL STATISTICS, 2020; 19 (4)

The area between two survival curves is an intuitive test statistic for the classical two-sample testing problem. We propose a bootstrap version of it......

START: single-to-double arm transition design for phase II clinical trials

期刊: PHARMACEUTICAL STATISTICS, 2020; 19 (4)

Phase II clinical trials designed for evaluating a drug's treatment effect can be either single-arm or double-arm. A single-arm design tests the null ......

Simultaneous confidence interval for assessing non-inferiority with assay sensitivity in a three-arm trial with binary endpoints

期刊: PHARMACEUTICAL STATISTICS, 2020; 19 (5)

A three-arm trial including an experimental treatment, an active reference treatment and a placebo is often used to assess the non-inferiority (NI) wi......

Comparison of two treatments in the presence of competing risks

期刊: PHARMACEUTICAL STATISTICS, 2020; 19 (6)

Competing risks data arise frequently in clinical trials, and a common problem encountered is the overall homogeneity between two groups. In competing......

Testing treatment-by-period interaction in four-period crossover trials

期刊: PHARMACEUTICAL STATISTICS, 0; ()

Statistical analyses of crossover clinical trials have mainly focused on assessing the treatment effect, carryover effect, and period effect. When a t......

Covariate adjustment for randomized controlled trials revisited

期刊: PHARMACEUTICAL STATISTICS, 0; ()

Covariate adjustment for the estimation of treatment effect for randomized controlled trials (RCT) is a simple approach with a long history, hence, it......

Oncology phase II proof-of-concept studies with multiple targets: Randomized controlled trial or single arm?

期刊: PHARMACEUTICAL STATISTICS, 0; ()

For oncology drug development, phase II proof-of-concept studies have played a key role in determining whether or not to advance to a confirmatory pha......

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