nQuery - Powering Sample Size

In 2017, 90% of organizations with FDA approved clinical trials used nQuery for sample size calculation.

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Receive Regulatory Approval

Consistently calculate the correct sample size for FDA/EMA submission

  • Validated sample size tables & procedures 
  • Sample size statement generator 
  • Automated Installation & Operational Qualification (IQ/OQ) Procedures

More About Regulatory approval > 

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Reduce The Risk & Cost of Trials

Bayesian & Adaptive techniques to optimize your trial design

  • See how likely it is to receive a 'positive' outcome from your trial through the Bayesian module in our sample size & power analysis calculator
  • Reduce sample size while still ensuring results are statistically significant
  • Non-standard test statistics for mid trial Adaptive modifications

More - reduce risk and costs reduction >

Powerful Sample Size Options

Use our sample size calculator to rapidly calculate sample size for a multitude of scenarios

  • Sample size calculator with 100’s of sample size and power calculation procedures
  • With Plotting Features, easily conduct a variety of “What-If” scenarios to align your final sample size choice with your scientific and budgetary requirements.
  • Fine tune calculations with the Specify Multiple Factors tool

More sample size calculator options >

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Share & Empower

Easily communicate calculations to your team

  • Share your work quickly
  • Fast and useful reporting tools
  • A sample size calculator that empowers your team

Empowering sample size calculator - More >

Easy & Intuitive To Use

Clean and fast spreadsheet style interface with no coding required

  • Clean spreadsheet style interface
  • Zero manual coding
  • Statistical help cards
  • Customized tables

Find Out how easy nquery is to use >

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Have A Question?
Don't hesitate to get in contact!