# Belay Diagnostics

Source: https://onco.cc/companies/belay-diagnostics/  
OnCo record `belay-diagnostics` (Company). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

Belay Diagnostics reads tumour DNA from cerebrospinal fluid, giving brain and spinal cord tumours a liquid biopsy when a tissue biopsy is risky or impossible, and telling true progression from treatment effects on scans.

## Summary

Belay Diagnostics, based in Chicago, offers cerebrospinal fluid liquid biopsy for primary and metastatic tumours of the central nervous system: genomic profiling to find targetable alterations when tissue is unavailable, and longitudinal monitoring to detect recurrence and to distinguish pseudoprogression from real progression. The tests are physician-ordered.

## Fields

- Kind: Company
- Last checked: 2026-09-11
- Tags: ctgov-sponsor; fcct-directory
- HQ: Chicago, IL
- Type: diagnostics
- Website: https://belaydiagnostics.com/

## Sources

- Official website: https://belaydiagnostics.com/
- Listed on Future of Cancer Care Today (Sijbrandij Foundation): https://sijbrandijfoundation.org/fcct

## Connected records

- cancers: [Glioma & glioblastoma](https://onco.cc/cancers/glioblastoma/)
- technologies: [Comprehensive genomic profiling](https://onco.cc/technologies/cgp/), [Liquid biopsy (ctDNA)](https://onco.cc/technologies/liquid-biopsy/)

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