Try Now
Pricing
MENU
Try Now
Pricing
nQuery-Sample-Size-Software-Homepage-Image-sml

nQuery is the standard for
clinical trial design

From sample size and power analysis to adaptive trial design, discover the nQuery difference today

The world's most trusted platform for
Classical, Bayesian & Adaptive trial designs

Frequentist and
fixed-term trials

Explore

Sample size for
adaptive trials

Explore

Accurately predict
key trial milestones

Explore

Sample size using
Bayesian analysis

Explore

1000+ validated
procedures

Explore

Free
14 day trial

Start Trial

 

Introducing nQuery 9.0

Accurately predict your key trial milestones

Play Video - nQuery Predict | A New Tool for Clinical Trial Milestone Predictions

The complete trial design platform to make clinical trials faster, less costly & more successful

See why nQuery is the #1 choice for researchers and Biostatisticians worldwide who need
to tackle increasing trial complexity, spiraling costs and changing regulations.

Regulatory Approval

Calculate sample size for FDA/EMA submission

Adaptive Trials

Sample size for sophisticated adaptive clinical trials

Enrollment Prediction

Simulate how long it will take to recruit patients

Sample Size Tools

Rapidly calculate sample size for a multitude of scenarios

Bayesian Statistics

Sample size using Bayesian analysis

Events Prediction

Provide realistic estimates of expected timings and costs

Easy & Intuitive To Use

Fast spreadsheet-style interface with no coding required

Classical Statistics

Solutions for Frequentist and Fixed-term trials

Visualize Success

Easy to use reporting for all trial stakeholders

Customer Success

In 2020, 91% of organizations with FDA approved clinical trials used nQuery

I have been a user of nQuery software since the late 90's for sample size calculations in clinical trials.

For the last 14 years nQuery has been a standard product in our toolkit.

pharmaBanner

As a CRO, our clients already know and trust nQuery.

We use it to quickly calculate for a range of scenarios and trial designs.

croBanner

My research work into a rare disease resulted in quite a small sample size.

I needed to ensure that my study was adequately powered. nQuery provides that.

researchBanner

I have been a user of nQuery software since the late 90's for sample size calculations in clinical trials.

For the last 14 years nQuery has been a standard product in our toolkit.

pharmaBanner

As a CRO, our clients already know and trust nQuery.

We use it to quickly calculate for a range of scenarios and trial designs.

croBanner

My research work into a rare disease resulted in quite a small sample size.

I needed to ensure that my study was adequately powered. nQuery provides that.

researchBanner

Recommended Resources

Resources to help optimize your clinical trial design

Webinars

Expert Video Presentations

Sample Size Tutorials

Practical statistical & therapeutic examples

How to use nQuery

Expert guidance
for you trials