Discrete Sequential Boundaries for Clinical Trials

From MaRDI portal
Publication:3332104

DOI10.2307/2336502zbMath0543.62059OpenAlexW4242589154MaRDI QIDQ3332104

David L. Demets, K. K. Gordon Lan

Publication date: 1983

Published in: Biometrika (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2336502



Related Items

Factor analysis of correlation matrices when the number of random variables exceeds the sample size, Procedure for determining sample size at each stage in group sequential test, Interim evaluation of efficacy or futility in group‐sequential trials with multiple co‐primary endpoints, The Influence of Biostatistics at the National Heart, Lung, and Blood Institute, Multistage Evaluation of Measurement Error in a Reliability Study, SEQUENTIAL METHODS IN CLINICAL TRIALS*, Exact group sequential designs for two-arm experiments with Poisson distributed outcome variables, Three-stage designs for monitoring clinical trials, Information and information fractions for design and sequential monitoring of clinical trials, A two-stage sequential design and analysis for comparing binomial rates with possibly random dropouts, Use of the randomization distribution in the analysis of sequential clinical trials, Group sequential analysis op a clinical trial with repeated measurements, Comparison of the repeated significance sequential tests of pocock, O'Brien and Fleming, and lan and DeMets for binary responses, Group sequential testing for cluster randomized trials with time‐to‐event endpoint, A Note on Familywise Error Rate for a Primary and Secondary Endpoint, Multivariate online regression analysis with heterogeneous streaming data, Robust group sequential designs for trials with survival endpoints and delayed response, Dynamic Causal Effects Evaluation in A/B Testing with a Reinforcement Learning Framework, Group-sequential response-adaptive designs for multi-armed trials, Tables of critical values for two group interim analyses, The performance of the log rank test for different relationships between the hazards: the case of the triangular test in comparison with some other sequential tests, Unnamed Item, Detecting multiple change points in piecewise constant hazard functions, Sample Size Re-Estimation Based on Two-Stage Analysis of Variance: Interim Analysis of Clinical Trials, Authors' Responses, A Novel Method to Calculate Mean Survival Time for Time-to-Event Data, Unnamed Item, Simultaneous Group Sequential Analysis of Rank‐Based and Weighted Kaplan–Meier Tests for Paired Censored Survival Data, Unbalanced and Partial Group Sequential Methods for Normal Responses in Clinical Trials, Flexibly Monitoring Group Sequential Survival Trials When Testing is Based Upon a Weighted Log-Rank Statistic, Adaptive designs for noninferiority trials, Partition testing in confirmatory adaptive designs with structured objectives, Multiple comparisons in complex clinical trial designs, On group sequential tests for data in unequally sized groups and with unknown variance, Nonparametric Rank‐Based Methods for Group Sequential Monitoring of Paired Censored Survival Data, Sequential-type nonparametric test using Mann-Whitney statistics, Sequential Monitoring of Randomization Tests: Stratified Randomization, A class of sequential tests for two‐sample composite hypotheses, Designing one-sided group sequential clinical trials to detect a mixture alternative, Dynamic Comparison of Kaplan–Meier Proportions: Monitoring a Randomized Clinical Trial with a Long‐Term Binary Endpoint, A computationally simple bivariate survival estimator for efficacy and safety, Discussion on “Second-Guessing Clinical Trial Designs” by Jonathan J. Shuster and Myron N. Chang, Weighted Logrank Statistics in Sequential Tests, Sequential design and analysis in the randomized clinical trial: A historical perspective, Optimal Stopping Rules for Sequential Hypothesis Testing, Unnamed Item, BAGS: A Bayesian Adaptive Group Sequential Trial Design With Subgroup-Specific Survival Comparisons, Stochastically Curtailed Tests Under Fractional Brownian Motion, Analytical calculations of various powers assuming normality, An Introduction to Practical Sequential Inferences via Single-Arm Binary Response Studies Using the binseqtest R Package, Benefit–Risk Evaluation of Multi-Stage Adaptive Designs, Design of Group Sequential Clinical Trials with Ordinal Categorical Data Based on the Mann–Whitney–Wilcoxon Test, Exact sequential test of equivalence hypothesis based on bivariate non-central \(t\)-statistics, Group sequential designs for one-sided and two-sided hypothesis testing with provision for early stopping in favor of the null hypothesis, Data monitoring in complex clinical trials: Which treatment is better?, A two-sample parametric group sequential procedure for monitoring clinical trials, Group sequential checking of the proportional hazards assumption based on a time-dependent covariate, BAYES DISCRETE SEQUENTIAL BOUNDARIES FOR CLINICAL TRIALS, Group sequential x2statistic for testing the difference of two mean vectors in clinical trials, Use of the fast Fourier transform algorithm in the calculation of the operating characteristics of group sequential clinical trials, Union-intersection principle and constrained statistical inference, Longitudinal clinical trials with adaptive choice of follow‐up time, Design and monitoring of multi‐arm multi‐stage clinical trials, Group sequential methods based on ranked set samples, Monitoring phase II comparative clinical trials with two endpoints and penalty for adverse events, Type I error probability spending for post-market drug and vaccine safety surveillance with Poisson data, A sequential elimination procedure for choosing the best population(s) based on multiple testing, Sample size determination for group sequential test under fractional Brownian motion, Bayes optimal sequential trial designs, Completeness and unbiased estimation of mean vector in the multivariate group sequential case, Allocating recycled significance levels in group sequential procedures for multiple endpoints, A note on Erdős and Kac's identity: boundary crossing probabilities of Brownian motion over constant boundaries. A finite Markov chain imbedding approach, Unnamed Item, Fuzzy approach for group sequential test, Approximating probabilities of correlated events, Power-enhanced multiple decision functions controlling family-wise error and false discovery rates, GROUP SEQUENTIAL TESTS WITH OUTCOME-DEPENDENT TREATMENT ASSIGNMENT, Sequential Monitoring of Conditional Randomization Tests: Generalized Biased Coin Designs, Sequential monitoring with conditional randomization tests, A Test for Constant Fatality Rate of an Emerging Epidemic: With Applications to Severe Acute Respiratory Syndrome in Hong Kong and Beijing, Simple Sequential Boundaries for Treatment Selection in Multi‐Armed Randomized Clinical Trials with a Control, Stopping rules for long-term clinical trials based on two consecutive rejections of the null hypothesis, Sequential type nonparametric tests for ordered bivariate alterenatives, Nonparametric and Semiparametric Group Sequential Methods for Comparing Accuracy of Diagnostic Tests, A hybrid geometric phase II/III clinical trial design based on treatment failure time and toxicity, Sample size recalculation in sequential diagnostic trials, A two-stage strategy to accommodate general patterns of confounding in the design of observational studies, Distribution theory of group sequential t,χ2and F-tests for general linear models, Statistical monitoring of clinical trials with multivariate response and/or multiple arms: a flexible approach, A Shift Algorithm for Exact Computation in Sequential Tests with Binary Outcome, Comparison of numerical algorithms for bivariate sequential tests based on marginal criteria, Burden of bioinformatics in medical research: statistical perspectives and controversies, Group sequential testing of homogeneity in genetic linkage analysis, Operating Characteristics for Group Sequential Trials Monitored Under Fractional Brownian Motion, Development of Adaptive Group Sequential Procedure for Changing Sample Size, Interim analyses and early termination of clinical trials, Group sequential comparison of two binomial proportions under ranked set sampling design, Group sequential designs using both type I and type II error probability spending functions, Repeated significance tests on accumulating data of repairable systems, Using randomization tests to preserve type I error with response adaptive and covariate adaptive randomization, Treatment Comparisons Based on Two‐Dimensional Safety and Efficacy Alternatives in Oncology Trials, Modification of Sample Size in Group Sequential Clinical Trials, A Unifying Family of Group Sequential Test Designs, Sequential Methods for Comparing Years of Life Saved in the Two‐Sample Censored Data Problem, Closed Testing Procedures for Group Sequential Clinical Trials with Multiple Endpoints, Adaptive Sample Size Calculations in Group Sequential Trials, A Homogeneity Test in Overviews with Group Sequentially Monitored Clinical Trials, Survival Analysis in Clinical Trials: Past Developments and Future Directions, On the efficiency of adaptive designs for flexible interim decisions in clinical trials, On design and inference for two-stage adaptive clinical trials with dependent data, Multi-center clinical trials: randomization and ancillary statistics, Sequential monitoring of response-adaptive randomized clinical trials, An Adaptive Approach to Implementing Bivariate Group Sequential Clinical Trial Designs, A Group Sequential Approach to Evaluation of Bridging Studies, Sequential Methods in Multi-Arm Clinical Trials, Time-uniform, nonparametric, nonasymptotic confidence sequences, Testing a Primary and a Secondary Endpoint in a Group Sequential Design, Adaptive Group Sequential Designs for Clinical Trials: Combining the Advantages of Adaptive and of Classical Group Sequential Approaches, Monitoring Clinical Trials with Multiple Arms, Group Sequential Methods for an Ordinal Logistic Random-Effects Model Under Misspecification, Seamlessly Expanding a Randomized Phase II Trial to Phase III, P-Value Adjustment in Sequential Clinical Trials, Robust tests in group sequential analysis: One- and two-sided hypotheses in the linear model, Sequential monitoring of response-adaptive randomized clinical trials with sample size re-estimation, Group-sequential response-adaptive designs for censored survival outcomes, A New Interim Monitoring Statistic for Group Sequential Clinical Trials, A group sequential test for the inverse Gaussian mean, Odds ratio-based group sequential analysis for joint binomial and inverse binomial sampling, Sequential Hypothesis Tests for Identifying the Minimum Dose with a Threshold Effect, Exact Confidence Bounds Following Adaptive Group Sequential Tests, Group-sequential logrank methods for trial designs using bivariate non-competing event-time outcomes, A simulation study on power comparisons for group sequential tests of non-parametric statistics, Testing Statistical Hypotheses on Stochastic Ordering of Discrete Distributions, Multiple comparisons in interim analysis., Procedures for testing multiple endpoints in clinical trials: an overview, A rank test for equality of two multivariate populations vs a particular ordered alternative., Refined critical boundary with enhanced statistical power for non-directional two-sided tests in group sequential designs with multiple endpoints, Repeated Confidence Intervals Under Fractional Brownian Motion in Long-Term Clinical Trials, Group sequential BH and its adaptive versions controlling the FDR, Comparison of design strategies for a three-arm clinical trial with time-to-event endpoint: Power, time-to-analysis, and operational aspects, Asymmetric Group Sequential Designs under Fractional Brownian Motion, Basic concepts of group sequential and adaptive group sequential test procedures, A gatekeeping procedure to test a primary and a secondary endpoint in a group sequential design with multiple interim looks, Point estimation after early stopping in a repeated measures trial, Interim analysis of clinical trials based on urn models, Psychometrics behind computerized adaptive testing, A group sequential approach to crossover trials for average bioequivalence, GROUP SEQUENTIAL PROCEDURES FOR REPEATED EVENTS DATA WITH FRAILTY, STATISTICAL METHODS FOR MONITORING CLINICAL TRIALS, Group sequential tests under fractional Brownian motion in monitoring clinical trials