New optical device aims to detect dangerous neutropenia without needles

NCT ID NCT04448301

Completed Diagnosis Sponsor: Leuko Labs, Inc. Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a device called PointCheck that uses light to check for severe neutropenia (low white blood cells) in cancer patients without needing a blood sample. Researchers enrolled 81 adults with blood or breast cancers who were receiving chemotherapy. The main goal was to see how easy the device is to use, with a secondary look at how accurate it is. If it works well, it could allow patients to monitor their condition at home.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: PointCheck device
What this could lead to: If successful, this could provide a simple, non-invasive way to monitor neutropenia at home, reducing the need for blood draws.
What could go wrong: This is a small, early usability study with only 81 participants. The device's accuracy is still being explored, and it may not be reliable enough for clinical use yet.

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Conditions

The condition(s) this trial relates to.

breast cancer hematopoietic and lymphoid system neoplasm neoplasm neutropenia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

NEOPLASMS NEUTROPENIA

Contacts and locations

Locations

Boston Medical Center

Boston, Massachusetts, 02118, United States

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