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One-Year Outcome of Multiple Blood-Brain Barrier Disruptions With Temozolomide for the Treatment of Glioblastoma

 So Hee Park  ;  Myung Ji Kim  ;  Hyun Ho Jung  ;  Won Seok Chang  ;  Hyun Seok Choi  ;  Itay Rachmilevitch  ;  Eyal Zadicario  ;  Jin Woo Chang 
 FRONTIERS IN ONCOLOGY, Vol.10 : 1663, 2020-09 
Journal Title
Issue Date
blood–brain barrier ; focused ultrasound ; glioblastoma multiforme ; magnetic resonance images ; progression-free survival
Introduction: To overcome the blood-brain barrier (BBB) which interferes with the effect of chemotherapeutic agents, we performed multiple disruptions of BBB (BBBD) with magnetic resonance-guided focused ultrasound on patients with glioblastoma (GBM) during standard adjuvant temozolomide (TMZ) chemotherapy [clinical trial registration no.NCT03712293 (clinicaltrials.gov)]. We report a 1-year follow-up result of BBBD with TMZ for GBM. Methods: From September 2018 to January 2019, six patients were enrolled (four men and two women, median age: 53 years, range: 50-67 years). Of the six patients, five underwent a total of six cycles of BBBD during standard TMZ adjuvant therapy. One patient underwent three cycles of BBBD but continued with TMZ chemotherapy. The 1-year follow-up results of these six patients were reviewed. Results: The mean follow-up duration was 15.17 ± 1.72 months. Two patients showed a recurrence of tumor at 11 and 16 months, respectively. One underwent surgery, and the other patient was restarted with TMZ chemotherapy due to the tumor location with a highly possibility of surgical complications. The survival rate up to 1 year was 100%, and the other four patients are on observation without recurrence. None of the six patients had immediate or delayed BBBD-related complications. Conclusion: Multiple BBBDs can be regarded as a safe procedure without long-term complications, and it seems to have some survival benefits. However, since TMZ partially crosses the BBB, a further extended study with large numbers would be needed to evaluate the benefits of BBBD resulting in an increase of TMZ concentration. This study opened a new therapeutic strategy for GBM by combining BBBD with a larger molecular agent.
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1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Myung Ji(김명지)
Park, So Hee(박소희)
Chang, Won Seok(장원석) ORCID logo https://orcid.org/0000-0003-3145-4016
Chang, Jin Woo(장진우) ORCID logo https://orcid.org/0000-0002-2717-0101
Jung, Hyun Ho(정현호)
Choi, Hyun Seok(최현석) ORCID logo https://orcid.org/0000-0003-4999-8513
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