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Why Prospective Clinical Validation Matters

News

When evaluating a new blood pressure technology, accuracy claims are only part of the story. How a technology is tested matters, too.

Dikran Tourian (left) and Omer Inan, PhD (right), in suits and ACC conference badges, stand on a blue carpet beside the illuminated American College of Cardiology heart emblem.
Dikran Tourian, Chief Executive Officer of Biozen, and Omer Inan, PhD, Chief Scientific Officer of Biozen, at the American College of Cardiology Annual Scientific Session in New Orleans in March 2026, where the company presented prospective clinical validation data for its BP1000 cuffless blood pressure device ahead of its FDA 510(k) clearance.

That’s why prospective validation represented an important milestone in the development of Biozen’s cuffless blood pressure platform.

Testing the technology as built

Before Biozen's prospective clinical validation study began, the BP1000 device and its algorithms were finalized. They remained unchanged during testing.

That distinction matters because prospective evaluation tests a predetermined system against reference measurements rather than allowing the technology to be continually adjusted in response to the data being collected.

Biozen’s study evaluated 264 participants under a protocol based on ISO 81060-2:2018, the internationally recognized standard used to evaluate noninvasive blood pressure devices.

Across the study, 770 measurements were collected to evaluate Biozen’s cuffless, calibration-free approach under the recognized validation framework.

Designed for diversity

Evaluating emerging sensing technologies also requires understanding how they perform across different populations.

Biozen’s study therefore included increased representation of participants with Fitzpatrick V and VI skin tones and Obesity Classes I and II.

The study demonstrated accuracy across skin tone and BMI subpopulations while meeting both criteria of the recognized validation standard.

Building confidence through evidence

Innovation in blood pressure technology is accelerating. As new approaches move beyond the traditional arm cuff, rigorous clinical evaluation becomes increasingly important.

For technologies designed to deliver absolute blood pressure measurements rather than signals or insights alone, that evidence is especially important.

For Biozen, prospective validation wasn’t simply a development milestone. It was part of a larger commitment to building a blood pressure platform grounded in physiology, clinical evidence and measurable performance.

That foundation now supports something even larger: bringing calibration-free, clinically credible blood pressure measurement into the next generation of health technology.

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FDA Cleared1

  1. Biozen BP1000 has received FDA 510(k) clearance, the first cuffless blood pressure device cleared to deliver calibration-free, clinically validated spot measurement from the fingertip.

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