Search Results - "ZOHAR, Sarah"

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    An adaptive power prior for sequential clinical trials – Application to bridging studies by Ollier, Adrien, Morita, Satoshi, Ursino, Moreno, Zohar, Sarah

    Published in Statistical methods in medical research (01-08-2020)
    “…During drug evaluation trials, information from clinical trials previously conducted on another population, indications or schedules may be available. In these…”
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    Phase I/II dose-finding design for molecularly targeted agent: Plateau determination using adaptive randomization by Riviere, Marie-Karelle, Yuan, Ying, Jourdan, Jacques-Henri, Dubois, Frédéric, Zohar, Sarah

    Published in Statistical methods in medical research (01-02-2018)
    “…Conventionally, phase I dose-finding trials aim to determine the maximum tolerated dose of a new drug under the assumption that both toxicity and efficacy…”
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    A Bayesian non-inferiority approach using experts' margin elicitation - application to the monitoring of safety events by Aupiais, Camille, Alberti, Corinne, Schmitz, Thomas, Baud, Olivier, Ursino, Moreno, Zohar, Sarah

    Published in BMC medical research methodology (18-09-2019)
    “…When conducing Phase-III trial, regulatory agencies and investigators might want to get reliable information about rare but serious safety outcomes during the…”
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    An extension of Bayesian predictive sample size selection designs for monitoring efficacy and safety by Teramukai, Satoshi, Daimon, Takashi, Zohar, Sarah

    Published in Statistics in medicine (30-09-2015)
    “…Most exploratory clinical trials in cancer are designed as single‐arm trials using a binary efficacy outcome with or without interim monitoring. In this…”
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    Bayesian variable selection based on clinical relevance weights in small sample studies—Application to colon cancer by Boulet, Sandrine, Ursino, Moreno, Thall, Peter, Jannot, Anne‐Sophie, Zohar, Sarah

    Published in Statistics in medicine (30-05-2019)
    “…Using clinical data to model the medical decisions behind sequential treatment actions raises methodological challenges. Physicians often have access to many…”
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    Determination of the optimal sample size for a clinical trial accounting for the population size by Stallard, Nigel, Miller, Frank, Day, Simon, Hee, Siew Wan, Madan, Jason, Zohar, Sarah, Posch, Martin

    Published in Biometrical journal (01-07-2017)
    “…The problem of choosing a sample size for a clinical trial is a very common one. In some settings, such as rare diseases or other small populations, the large…”
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    Bayesian sample size determination for phase IIA clinical trials using historical data and semi‐parametric prior's elicitation by Berchialla, Paola, Zohar, Sarah, Baldi, Ileana

    “…Summary The Simon's two‐stage design is the most commonly applied among multi‐stage designs in phase IIA clinical trials. It combines the sample sizes at the…”
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    A Bayesian dose-finding design for drug combination clinical trials based on the logistic model by Riviere, Marie-Karelle, Yuan, Ying, Dubois, Frédéric, Zohar, Sarah

    “…In early phase dose‐finding cancer studies, the objective is to determine the maximum tolerated dose, defined as the highest dose with an acceptable…”
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    Dose-Finding Study of Omeprazole on Gastric pH in Neonates with Gastro-Esophageal Acid Reflux Using a Bayesian Sequential Approach by Kaguelidou, Florentia, Alberti, Corinne, Biran, Valerie, Bourdon, Olivier, Farnoux, Caroline, Zohar, Sarah, Jacqz-Aigrain, Evelyne

    Published in PloS one (21-12-2016)
    “…Proton pump inhibitors are frequently administered on clinical symptoms in neonates but benefit remains controversial. Clinical trials validating omeprazole…”
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    Value of information methods to design a clinical trial in a small population to optimise a health economic utility function by Pearce, Michael, Hee, Siew Wan, Madan, Jason, Posch, Martin, Day, Simon, Miller, Frank, Zohar, Sarah, Stallard, Nigel

    Published in BMC medical research methodology (08-02-2018)
    “…Most confirmatory randomised controlled clinical trials (RCTs) are designed with specified power, usually 80% or 90%, for a hypothesis test conducted at a…”
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    Dose-finding designs using a novel quasi-continuous endpoint for multiple toxicities by Ezzalfani, Monia, Zohar, Sarah, Qin, Rui, Mandrekar, Sumithra J., Deley, Marie-Cécile Le

    Published in Statistics in medicine (20-07-2013)
    “…The aim of a phase I oncology trial is to identify a dose with an acceptable safety profile. Most phase I designs use the dose‐limiting toxicity, a binary…”
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    A Bayesian predictive sample size selection design for single-arm exploratory clinical trials by Teramukai, Satoshi, Daimon, Takashi, Zohar, Sarah

    Published in Statistics in medicine (30-12-2012)
    “…The aim of an exploratory clinical trial is to determine whether a new intervention is promising for further testing in confirmatory clinical trials. Most…”
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    Decision-theoretic designs for small trials and pilot studies: A review by Hee, Siew Wan, Hamborg, Thomas, Day, Simon, Madan, Jason, Miller, Frank, Posch, Martin, Zohar, Sarah, Stallard, Nigel

    Published in Statistical methods in medical research (01-06-2016)
    “…Pilot studies and other small clinical trials are often conducted but serve a variety of purposes and there is little consensus on their design. One paradigm…”
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    Approaches to sample size calculation for clinical trials in rare diseases by Miller, Frank, Zohar, Sarah, Stallard, Nigel, Madan, Jason, Posch, Martin, Hee, Siew Wan, Pearce, Michael, Vågerö, Mårten, Day, Simon

    “…We discuss 3 alternative approaches to sample size calculation: traditional sample size calculation based on power to show a statistically significant effect,…”
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    An approach to meta-analysis of dose-finding studies by Zohar, Sarah, Katsahian, Sandrine, O'Quigley, John

    Published in Statistics in medicine (30-07-2011)
    “…The main goal of a Phase I dose‐finding study is the estimation of the maximal tolerated dose (MTD) from a set of available dose levels. For cytotoxic clinical…”
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    Using the continual reassessment method to estimate the minimum effective dose in phase II dose-finding studies: a case study by Zohar, Sarah, Resche-Rigon, Matthieu, Chevret, Sylvie

    Published in Clinical trials (London, England) (01-06-2013)
    “…Background The Continual Reassessment Method typically is presented as the method of choice for the purpose of dose-finding based on a toxicity scale in phase…”
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