A bootstrapping method to optimize go/no‐go decisions from single‐arm, signal‐finding studies in oncology

Abstract Phase Ib trials are common in oncology development but often are not powered for statistical significance. Go/no‐go decisions are largely driven by observed trends in response data. We applied a bootstrapping method to systematically compare tumor dynamic end points to historical control da...

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Main Authors: Raunak Dutta, Aparna Mohan, Jacqueline Buros‐Novik, Gregory Goldmacher, Omobolaji O. Akala, Brian Topp
Format: Article
Language:English
Published: Wiley 2024-08-01
Series:CPT: Pharmacometrics & Systems Pharmacology
Online Access:https://doi.org/10.1002/psp4.13161
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author Raunak Dutta
Aparna Mohan
Jacqueline Buros‐Novik
Gregory Goldmacher
Omobolaji O. Akala
Brian Topp
author_facet Raunak Dutta
Aparna Mohan
Jacqueline Buros‐Novik
Gregory Goldmacher
Omobolaji O. Akala
Brian Topp
author_sort Raunak Dutta
collection DOAJ
description Abstract Phase Ib trials are common in oncology development but often are not powered for statistical significance. Go/no‐go decisions are largely driven by observed trends in response data. We applied a bootstrapping method to systematically compare tumor dynamic end points to historical control data to identify drugs with clinically meaningful efficacy. A proprietary mathematical model calibrated to phase Ib anti–PD‐1 therapy trial data (KEYNOTE‐001) was used to simulate thousands of phase Ib trials (n = 30) with a combination of anti–PD‐1 therapy and four novel agents with varying efficacy. A redacted bootstrapping method compared these results to a simulated phase III control arm (N = 511) while adjusting for differences in trial duration and cohort size to determine the probability that the novel agent provides clinically meaningful efficacy. Receiver operating characteristic (ROC) analysis showed strong ability to separate drugs with modest (area under ROC [AUROC] = 83%), moderate (AUROC = 96%), and considerable efficacy (AUROC = 99%) from placebo in early‐phase trials (n = 30). The method was shown to effectively move drugs with a range of efficacy through an in silico pipeline with an overall success rate of 93% and false‐positive rate of 7.5% from phase I to phase III. This model allows for effective comparisons of tumor dynamics from early clinical trials with more mature historical control data and provides a framework to predict drug efficacy in early‐phase trials. We suggest this method should be employed to improve decision making in early oncology trials.
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spelling doaj-art-7906cbcfdc6248e39282ae02750e4a992025-08-20T02:44:29ZengWileyCPT: Pharmacometrics & Systems Pharmacology2163-83062024-08-011381317132610.1002/psp4.13161A bootstrapping method to optimize go/no‐go decisions from single‐arm, signal‐finding studies in oncologyRaunak Dutta0Aparna Mohan1Jacqueline Buros‐Novik2Gregory Goldmacher3Omobolaji O. Akala4Brian Topp5Modeling and Simulation Vantage Research Chennai IndiaModeling and Simulation Vantage Research Chennai IndiaModeling and Simulation, Generable New York New York USAGlobal Clinical Trial Operations Merck & Co., Inc. Rahway New Jersey USAOncology Early Development Merck & Co., Inc. Rahway New Jersey USAOncology Early Development Merck & Co., Inc. Rahway New Jersey USAAbstract Phase Ib trials are common in oncology development but often are not powered for statistical significance. Go/no‐go decisions are largely driven by observed trends in response data. We applied a bootstrapping method to systematically compare tumor dynamic end points to historical control data to identify drugs with clinically meaningful efficacy. A proprietary mathematical model calibrated to phase Ib anti–PD‐1 therapy trial data (KEYNOTE‐001) was used to simulate thousands of phase Ib trials (n = 30) with a combination of anti–PD‐1 therapy and four novel agents with varying efficacy. A redacted bootstrapping method compared these results to a simulated phase III control arm (N = 511) while adjusting for differences in trial duration and cohort size to determine the probability that the novel agent provides clinically meaningful efficacy. Receiver operating characteristic (ROC) analysis showed strong ability to separate drugs with modest (area under ROC [AUROC] = 83%), moderate (AUROC = 96%), and considerable efficacy (AUROC = 99%) from placebo in early‐phase trials (n = 30). The method was shown to effectively move drugs with a range of efficacy through an in silico pipeline with an overall success rate of 93% and false‐positive rate of 7.5% from phase I to phase III. This model allows for effective comparisons of tumor dynamics from early clinical trials with more mature historical control data and provides a framework to predict drug efficacy in early‐phase trials. We suggest this method should be employed to improve decision making in early oncology trials.https://doi.org/10.1002/psp4.13161
spellingShingle Raunak Dutta
Aparna Mohan
Jacqueline Buros‐Novik
Gregory Goldmacher
Omobolaji O. Akala
Brian Topp
A bootstrapping method to optimize go/no‐go decisions from single‐arm, signal‐finding studies in oncology
CPT: Pharmacometrics & Systems Pharmacology
title A bootstrapping method to optimize go/no‐go decisions from single‐arm, signal‐finding studies in oncology
title_full A bootstrapping method to optimize go/no‐go decisions from single‐arm, signal‐finding studies in oncology
title_fullStr A bootstrapping method to optimize go/no‐go decisions from single‐arm, signal‐finding studies in oncology
title_full_unstemmed A bootstrapping method to optimize go/no‐go decisions from single‐arm, signal‐finding studies in oncology
title_short A bootstrapping method to optimize go/no‐go decisions from single‐arm, signal‐finding studies in oncology
title_sort bootstrapping method to optimize go no go decisions from single arm signal finding studies in oncology
url https://doi.org/10.1002/psp4.13161
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