# Carthera

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

## TL;DR

Carthera is a French company whose SonoCloud implant, fitted in the skull after brain tumour surgery, sends ultrasound pulses that briefly open the blood-brain barrier before each chemotherapy dose.

## Summary

Carthera, founded in 2010 from work at the Pitié-Salpêtrière hospital in Paris, developed the SonoCloud-1 and the larger nine-emitter SonoCloud-9, unfocused ultrasound implants placed in the bone window after tumour resection and activated with intravenous microbubbles to open the blood-brain barrier over a wide region. It has run trials in recurrent glioblastoma with carboplatin and in brain metastases, and is preparing pivotal studies.

## Fields

- Kind: Company
- Last checked: 2026-09-17
- Tags: machines-wave2
- HQ: Lyon
- Type: devices
- Website: https://carthera.eu/

## Sources

- Official website: https://carthera.eu/

## Connected records

- cancers: [Glioma & glioblastoma](https://onco.cc/cancers/glioblastoma/)
- terms: [Brain metastases (intracranial disease)](https://onco.cc/terms/brain-metastases/)
- technologies: [Focused-ultrasound blood-brain barrier opening](https://onco.cc/technologies/bbb-focused-ultrasound/), [Transcranial focused ultrasound systems (Exablate Neuro, SonoCloud)](https://onco.cc/technologies/transcranial-focused-ultrasound-systems/)

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JSON: https://onco.cc/api/v1/entities/carthera.json