Important Safety Information | NIOX VERO® User Manual (PDF)

For US Healthcare Professionals Only

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The device of choice for clinical research

NIOX® is trusted by clinical researchers across the globe and has been used in thousands of trials, including pivotal studies for new asthma biologics.

FeNO testing made simple

FeNO stands for fractional exhaled nitric oxide (NO). NO is a molecule produced by the lungs that can be measured in exhaled breath. The discovery of NO as a signalling molecule was a real breakthrough, leading to a Nobel Prize in 1998. With NIOX VERO® taking a FeNO test is as simple as inhaling and exhaling.

Find out how →

Why use FeNO for research?

FeNO is an objective measurement of Type 2 airway inflammation. FeNO testing is simple, immediate and non-invasive. This makes FeNO the biomarker of choice for airway inflammation in your next research project.

What is FeNO →    Interpreting FeNO →

Accurate. Reliable. Straightforward.

NIOX VERO® is the gold standard FeNO testing device. With over 20 years of innovation and 40 million tests performed worldwide, NIOX® is already used by thousands of healthcare professionals across the globe. The device is packed with unique technology to guarantee an accurate result each time, every time.

Why NIOX® →    About NIOX VERO® →

This is NIOX VERO®

Learn more about the gold standard FeNO testing device from Circassia.

Circassia, the world leader in FeNO

Circassia is here to support you with your research projects. Our dedicated global teams are ready to ensure that you can get the very best from NIOX®.

Personalised customer experience

With dedicated account managers, technical support and training teams, Circassia is on hand to help you.

Enhanced project management

We provide connectivity capabilities, software data integration, study-specific labelling, and blinded results programming.

International logistical provisions

Our global distribution network can ship direct-to-site or in bulk to depots, with door-to-door tracking.

Get started with NIOX VERO®

Join the thousands of healthcare professionals who have already performed over 40 million FeNO tests with NIOX VERO®. Use our contact form below or get in touch with us via email: research@circassia.com.