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Retricted access

Research article

First published 2018-1

Two-stage seamless transition design from open-label single-arm to randomized double-arm clinical trials

Haolun Shi, Guosheng Yin

Statistical Methods in Medical Research

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Research article

First published 2016-10

Power considerations for trials of two experimental arms versus a standard active control or placebo

Vic Hasselblad

Statistical Methods in Medical Research

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Research article

First published 2007-09

When to Stop Treatment Arms in a Clinical Trial Assessing Time to Event With More Than Two Arms Against a Common Control

Anneke C. Grobler, Henri R. O. Carrara, Henry G. Mwambi [...]

Evaluation & the Health Professions

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Research article

First published 2026-4

Event-driven planning of two-armed trials with a binary endpoint

Erica H Brittain, Raphaël N Morsomme, Michael A Proschan

Clinical Trials

Open access

Research article

First published 2019-8

Dynamic Lycra® orthoses as an adjunct to arm rehabilitation after stroke: a single-blind,two-arm parallel group,randomized controlled feasibility trial

Jacqui H Morris, Alexandra John, Lucy Wedderburn [...]

Clinical Rehabilitation

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Research article

First published 2011-10

An exact method for link parameter estimation in error benchmarking: an application to Phase II two-stage single arm oncology trials

Christopher N Barnes, Shesh N Rai

Statistical Methods in Medical Research

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Research article

First published 2012-4

Confidence intervals for correlated proportion differences from paired data in a two-arm randomised clinical trial

Yanbo Pei, Man-Lai Tang, Weng-Kee Wong [...]

Statistical Methods in Medical Research

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Review article

First published 2022-4

Allowing for stratification in sample size planning of two-arm trials with continuous or binary outcome: Overview and tutorial

Stefan Wellek

Statistical Methods in Medical Research

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Research article

First published 2025-12

Incorporating data from multiple ongoing trials for Bayesian two-stage phase II single-arm studies

Susan Halabi, Taehwa Choi, Elizabeth Garrett-Mayer [...]

Clinical Trials

Open access

Research article

First published 2026

Bayesian design and analysis of two-arm cluster randomised trials using assurance: Extension to binary outcomes and comparison of Markov chain Monte Carlo and Integrated Nested Laplace Approximations

Abdullah Aloufi, Kevin J Wilson, Nina Wilson [...]

Clinical Trials

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