Carthera, a start-up resulting from a project led by Professor Alexandre Carpentier from the neurosurgery department of Pitié Salpêtrière (Sorbonne University, AP-HP) and supported by SATT Lutech, implemented Sonocloud technology on a first patient of a new clinical study. This will benefit from a combination of the Sonocloud medical device which sends ultrasound to "open" the blood-brain barrier and checkpoint inhibitors, molecules that block important proteins in the cell cycle, to treat advanced forms of breast cancer. brain (metastasized melanomas, in other words, these patients are generally condemned in the short term).