Templates

Trial Design Templates

Improve your sample size calculations with nQuery clinical trial design templates and data.


Popular Models

Randomization in Clinical Trials

Adaptive Clinical Trial Design Training (pt 1-3)

Clinical Prediction Model


Regression Models

Linear regression

Logistic regression

Cox regression

2-level hierarchical design


Hybrid Bayesian/Frequentist

Bayesian assurance - Normal means

Bayesian assurance - Two proportions

Mixed bayesian likelihood interval

Consensus-based criteria


Sample size re-estimation

Group sequential design

Unblinded sample size re-estimation

Blinded sample size re-estimation - Two sample mean

Blinded sample size re-estimation - Two sample binomial


Categorical endpoints

Binary data endpoints

Ordinal data endpoints

Contingency table endpoints


Non-inferiority designs

Sample size for normal endpoint

Binomial proportion parallel

Survival parallel arm

Count parallel arm

Recommended Resources

Resources to help optimize your clinical trial design

Resources

Sample Size Resource Center

Improve your knowledge and calculation of sample size

View All Resources

Webinars

Expert Video Presentations

Every you need to know about sample size for modern clinical trial designs

Examples

Sample Size Examples

Practical statistical & therapeutic examples