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In 2018, 91% of organizations with FDA approved clinical trials used nQuery for sample size calculation

See how nQuery can help you

50k Users
Commercial, academic &
government organizations
Successful Trials
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& other regulatory bodies

nQuery Sample Size Platform

nQuery is the world's most trusted sample size platform for
Classical, Bayesian & Adaptive trial designs

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Receive Regulatory Approval

Consistently calculate the appropriate sample size for FDA/EMA submission
 
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Reduce Risk & Cost of Clinical Trials

Frequentist & Bayesian techniques to optimize your clinical trial design
 
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powerful sample size options

Powerful Sample Size Options

Rapidly calculate sample size and conduct power analysis 
 
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Share & Empower
Your Team

Easily calculate and then communicate the findings to your team and non statisticians
 
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Intuitive Sample Size & Power Calculator

Calculate sample size and conduct a power analysis with a clean & easy to use interface
 
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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.

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

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

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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 thrust 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

All the features you need in Sample Size software

Created by Sample Size experts, nQuery boasts an extensive list of features for sample size calculation and power analysis. This is why it is the #1 choice for researchers and Biostatisticians worldwide.

  • 100’s of validated sample size tables & procedures, with results outputted in the correct regulatory format

  • Customizable plotting functionality, Side-tables and extra tools increase speed and accuracy of calculations

  • Clean spreadsheet style interface allows you easily demonstrate and share knowledge to non-statisticians

What Do I Get?

Popular Sample Size Resources

Improve your knowledge and calculation of sample size

FDA Guidance on Adaptive Sample Size Re-estimation Watch On Demand

About this webinar

The FDA recently published new draft guidance on adaptive trials and are actively encouraging sponsors to use Adaptive trials.

In this webinar you’ll learn about:

  • The FDA's view on Adaptive design
  • The pros and cons of Adaptive design
  • Sample Size Re-estimation background
  • Unblinded Sample Size Re-estimation
  • Blinded Sample Size Re-estimation

Duration

Speaker: Ronan Fitzpatrick, Head of Statistics, Statsols
Duration: 60 minutes 

Watch Recording Now