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nQuery is the world’s number 1 sample size and power calculation tool for all clinical trials - Classical, Bayesian and Adaptive clinical trial designs. nQuery is favored by biostatisticians & researchers designing ethical and efficient clinical trials that achieve regulatory approval. No matter how complex or streamlined your trial is, nQuery can be used for your sample size determination and power analysis, to achieve regulatory approval.
Reduce the risk and costs associated with clinical trials by using innovative techniques such as Bayesian statistics & adaptive trial design. Our free sample size calculator trial includes all of the above modules. Evaluate nQuery and see why it is used by 91% of organizations with clinical trials approved by the FDA.
To start your free trial just complete the form above. You will receive an email with a link to instantly launch your online trial. There is no download necessary. Just launch it in your browser to start calculating sample, conducting power analysis, compute different effect sizes etc. There is 1000+ Sample Size & Power Calculation Procedures in nQuery.