Overview
The brain is protected from any toxic or inflammatory molecule by the blood-brain barrier (BBB). This physical barrier is located at the level of the blood vessel walls. Because of these barrier properties, the blood vessels are also impermeable to the passage of therapeutic molecules from the blood to the brain. The development of effective treatments against glioblastoma is thus limited due to the BBB that prevents most drugs injected in the bloodstream from getting into brain tissue where the tumour is seated. The SonoCloud-9 (SC9) is an investigational device using ultrasound technology and specially developed to open the BBB in the area of and surrounding the tumour. The transient opening of the BBB allows more drugs to reach the brain tumour tissue. Carboplatin is a chemotherapy that is approved to treat different cancer types alone or in combination with other drugs, and has been used in the treatment of glioblastoma. Despite its proven efficacy in the laboratory on glioblastoma cells, carboplatin does not readily cross the BBB in humans. A clinical trial has shown that in combination with the SonoCloud-9, more carboplatin can reach the brain tumour tissue. The objective of the proposed trial is to show that the association - carboplatin with the SonoCloud-9 - will increase efficacy of the drug in patients with recurrent glioblastoma.
Eligibility
Inclusion Criteria:
1. Histologically proven glioblastoma (WHO criteria 2021), absence of IDH mutation demonstrated by negative IDH1 R132H staining on Immunohistochemistry.
2. Patient must have received prior first line therapy that must have contained both:
1. Prior surgery or biopsy and standard fractionated radiotherapy (1.8-2 Gy/fraction, \>56 Gy\<66 Gy) or hypofractionated radiotherapy (15 x 2.66 Gy or similar regimen)
2. One line of maintenance chemotherapy and/or immune- or biological therapy, (with or without Tumor-Treating Fields)
3. First, unequivocal disease progression with
1. measurable tumor (\>100 mm2 or 1 cm3, based on RANO criteria) documented (e.g., increase of 25% in tumor diameter) on MRI performed within 14 days of inclusion and,
2. interval of a minimum of 12 weeks since the completion of prior radiotherapy, unless there is a new lesion outside the radiation field or unequivocal evidence of viable tumor on histopathological sampling
4. Patient is candidate for craniotomy and at least 50% resection of enhancing region
5. Maximal enhancing tumor diameter prior to inclusion ≤ 5 cm on T1w. (In case of planned lobectomy, post operative peritumoral brain or residual size ≤5 cm)
6. WHO performance status ≤ 2 (equivalent to Karnofsky Performance Status (KPS) ≥ 70)
7. Age ≥ 18 years
8. Participant must be recovered from acute toxic effects (\
