Optimal adaptive group sequential design with flexible timing of sample size determination
Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design sug...
Ausführliche Beschreibung
Autor*in: |
Cui, Lu [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2017transfer abstract |
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Umfang: |
5 |
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Übergeordnetes Werk: |
Enthalten in: Quality properties and antioxidant activity of seven strawberry ( - Chaves, Vitor C. ELSEVIER, 2017, design, methods and analysis, Amsterdam [u.a.] |
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Übergeordnetes Werk: |
volume:63 ; year:2017 ; pages:8-12 ; extent:5 |
Links: |
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DOI / URN: |
10.1016/j.cct.2017.04.005 |
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ELV041067312 |
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520 | |a Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. | ||
520 | |a Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. | ||
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10.1016/j.cct.2017.04.005 doi GBV00000000000037.pica (DE-627)ELV041067312 (ELSEVIER)S1551-7144(16)30366-4 DE-627 ger DE-627 rakwb eng 610 610 DE-600 630 640 VZ 48.50 bkl Cui, Lu verfasserin aut Optimal adaptive group sequential design with flexible timing of sample size determination 2017transfer abstract 5 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. Zhang, Lanju oth Yang, Bo oth Enthalten in Elsevier Science Chaves, Vitor C. ELSEVIER Quality properties and antioxidant activity of seven strawberry ( 2017 design, methods and analysis Amsterdam [u.a.] (DE-627)ELV000409197 volume:63 year:2017 pages:8-12 extent:5 https://doi.org/10.1016/j.cct.2017.04.005 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 48.50 Pflanzenproduktion: Allgemeines VZ AR 63 2017 8-12 5 045F 610 |
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10.1016/j.cct.2017.04.005 doi GBV00000000000037.pica (DE-627)ELV041067312 (ELSEVIER)S1551-7144(16)30366-4 DE-627 ger DE-627 rakwb eng 610 610 DE-600 630 640 VZ 48.50 bkl Cui, Lu verfasserin aut Optimal adaptive group sequential design with flexible timing of sample size determination 2017transfer abstract 5 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. Zhang, Lanju oth Yang, Bo oth Enthalten in Elsevier Science Chaves, Vitor C. ELSEVIER Quality properties and antioxidant activity of seven strawberry ( 2017 design, methods and analysis Amsterdam [u.a.] (DE-627)ELV000409197 volume:63 year:2017 pages:8-12 extent:5 https://doi.org/10.1016/j.cct.2017.04.005 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 48.50 Pflanzenproduktion: Allgemeines VZ AR 63 2017 8-12 5 045F 610 |
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10.1016/j.cct.2017.04.005 doi GBV00000000000037.pica (DE-627)ELV041067312 (ELSEVIER)S1551-7144(16)30366-4 DE-627 ger DE-627 rakwb eng 610 610 DE-600 630 640 VZ 48.50 bkl Cui, Lu verfasserin aut Optimal adaptive group sequential design with flexible timing of sample size determination 2017transfer abstract 5 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. Zhang, Lanju oth Yang, Bo oth Enthalten in Elsevier Science Chaves, Vitor C. ELSEVIER Quality properties and antioxidant activity of seven strawberry ( 2017 design, methods and analysis Amsterdam [u.a.] (DE-627)ELV000409197 volume:63 year:2017 pages:8-12 extent:5 https://doi.org/10.1016/j.cct.2017.04.005 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 48.50 Pflanzenproduktion: Allgemeines VZ AR 63 2017 8-12 5 045F 610 |
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10.1016/j.cct.2017.04.005 doi GBV00000000000037.pica (DE-627)ELV041067312 (ELSEVIER)S1551-7144(16)30366-4 DE-627 ger DE-627 rakwb eng 610 610 DE-600 630 640 VZ 48.50 bkl Cui, Lu verfasserin aut Optimal adaptive group sequential design with flexible timing of sample size determination 2017transfer abstract 5 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. Zhang, Lanju oth Yang, Bo oth Enthalten in Elsevier Science Chaves, Vitor C. ELSEVIER Quality properties and antioxidant activity of seven strawberry ( 2017 design, methods and analysis Amsterdam [u.a.] (DE-627)ELV000409197 volume:63 year:2017 pages:8-12 extent:5 https://doi.org/10.1016/j.cct.2017.04.005 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 48.50 Pflanzenproduktion: Allgemeines VZ AR 63 2017 8-12 5 045F 610 |
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Optimal adaptive group sequential design with flexible timing of sample size determination |
abstract |
Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. |
abstractGer |
Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. |
abstract_unstemmed |
Flexible sample size designs, including group sequential and sample size re-estimation designs, have been used as alternatives to fixed sample size designs to achieve more robust statistical power and better trial efficiency. In this work, a new representation of sample size re-estimation design suggested by Cui et al. [5,6] is introduced as an adaptive group sequential design with flexible timing of sample size determination. This generalized adaptive group sequential design allows one time sample size determination either before the start of or in the mid-course of a clinical study. The new approach leads to possible design optimization on an expanded space of design parameters. Its equivalence to sample size re-estimation design proposed by Cui et al. provides further insight on re-estimation design and helps to address common confusions and misunderstanding. Issues in designing flexible sample size trial, including design objective, performance evaluation and implementation are touched upon with an example to illustrate. |
collection_details |
GBV_USEFLAG_U GBV_ELV SYSFLAG_U |
title_short |
Optimal adaptive group sequential design with flexible timing of sample size determination |
url |
https://doi.org/10.1016/j.cct.2017.04.005 |
remote_bool |
true |
author2 |
Zhang, Lanju Yang, Bo |
author2Str |
Zhang, Lanju Yang, Bo |
ppnlink |
ELV000409197 |
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hochschulschrift_bool |
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author2_role |
oth oth |
doi_str |
10.1016/j.cct.2017.04.005 |
up_date |
2024-07-06T19:08:06.105Z |
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1803857833341485056 |
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score |
7.398587 |