Use nQuery for sample size calculation and to refine frequentist, Bayesian, and adaptive designs. Powerful modeling and simulation tools help identify roadblocks so you can take action to keep your …

Used by biostatisticians who need more than just a sample size calculator. nQuery helps save costs and reduce risk and optimize clinical trial designs.

Compare Plans & Features ... Sample Size Procedures in nQuery Browse what tables are available in each nQuery tier All nQuery tables are shown below. Search to filter.

Discover new features in nQuery to help biostatisticians and clinical researchers optimize clinical trial design

Watch these videos for quick tips of how to use the nQuery - leading trial design platform

nQuery Adapt is the powerful adaptive module of the nQuery platform for clinical trial design. nQuery has 1000+ validated statistical procedures covering Adaptive, Bayesian and classical clinical trial …

Free online trial of nQuery | The complete trial design platform to make clinical trials faster, less costly & more successful.

nQuery is the complete trial design platform to make clinical trials faster, less costly and more successful. nQuery is available through a tiered licensing system.

nQuery Bayes is the powerful Bayesian module of the nQuery platform for clinical trial design. nQuery has 1000+ validated statistical procedures covering Adaptive, Bayesian and classical clinical trial …

nQuery Predict is a suite of tools that uses current data to project the likely trajectory of future enrollment or event milestones. With the nQuery Predict module, you can make more informed decisions based …