Laser pen could measure skin cancer size without cutting

NCT ID NCT06384924

Recruiting now Diagnosis Sponsor: Tiezhi Zhang Source: ClinicalTrials.gov ↗

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

Summary

This pilot study is testing whether a handheld laser probe, called Raman spectroscopy, can measure the size of skin cancer tumors. Twenty people with basal or squamous cell carcinoma who are already scheduled for brachytherapy will have their tumors scanned with the probe. The goal is to see if the laser can tell the difference between cancerous and healthy skin, which could help doctors plan treatment more precisely.

What this could mean

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

Active substance: Raman Spectroscopy handheld probe (device)
What this could lead to: If successful, this could lead to a non-invasive way to measure skin cancer tumor size, potentially improving treatment planning.
What could go wrong: This is a very small pilot study (20 people) testing feasibility only. The technique may not reliably distinguish cancerous from healthy tissue, and results may not apply to other skin cancers.

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Conditions

The condition(s) this trial relates to.

basal cell carcinoma skin cancer skin neoplasm squamous cell carcinoma

As listed by the trial registrant

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

BASAL CELL CARCINOMA SKIN CANCER SQUAMOUS CELL CARCINOMA

Contacts and locations

Locations

Stony Brook Hospital
RECRUITING

Stony Brook, New York, 11794, United States

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