Title : Prolonged survival following local injection of targeted alpha therapy with 213Bi-substance P analogue.
link : Prolonged survival following local injection of targeted alpha therapy with 213Bi-substance P analogue.
Prolonged survival following local injection of targeted alpha therapy with 213Bi-substance P analogue.
Fifty patients with different malignant glioma tumors were included into the study at the Medical University of Warsaw. Secondary GBM was diagnosed in seven female and two male patients (age range 21–59 years, mean 38.8 ± 10.8 years) out of these 50 patients.
GBM has been demonstrated to overexpress the NK-1 receptor and substance P can be used as a ligand for targeted therapy. Alpha emitters, e.g. 213Bi, that deposit their high energy within a short range allow the selective irradiation of tumor cells while sparing adjacent neuronal structures.
Treatment with activities ranging from 1.4 to 9.7 (median 5.8) GBq 213Bi- DOTA-SP was well tolerated with only mild transient adverse reactions, mainly headaches due to a transient perfocal edema reaction. The median progression free survival and overall survival time following the initiation of alpha therapy was 5.8 and 16.4 months, respectively. The median overall survival time from the first diagnosis was 52.3 months. Two out of nine patients are still alive 39 and 51 months, respectively, after the initiation of the therapy.
Implementation of catheters into the postsurgical cavity. A cavity of 1.5 cm diameter is drilled into the external tabula of the skull with a central opening. A port capsule connected with a catheter is then stereotactically inserted into the tumor or resection cavity. The wound is then closed. Injections into the capsule were performed some 10 days later.
CONCLUSIONS: Targeted alpha therapy of secondary GBM with 213Bi-DOTA-SP is safe and well tolerated and may evolve as a promising novel therapeutic option for secondary GBM.
https://link.springer.com/article/10.1007%2Fs00259-018-4015-2
https://www.ncbi.nlm.nih.gov/pubmed/29713762
GBM has been demonstrated to overexpress the NK-1 receptor and substance P can be used as a ligand for targeted therapy. Alpha emitters, e.g. 213Bi, that deposit their high energy within a short range allow the selective irradiation of tumor cells while sparing adjacent neuronal structures.
Treatment with activities ranging from 1.4 to 9.7 (median 5.8) GBq 213Bi- DOTA-SP was well tolerated with only mild transient adverse reactions, mainly headaches due to a transient perfocal edema reaction. The median progression free survival and overall survival time following the initiation of alpha therapy was 5.8 and 16.4 months, respectively. The median overall survival time from the first diagnosis was 52.3 months. Two out of nine patients are still alive 39 and 51 months, respectively, after the initiation of the therapy.
Implementation of catheters into the postsurgical cavity. A cavity of 1.5 cm diameter is drilled into the external tabula of the skull with a central opening. A port capsule connected with a catheter is then stereotactically inserted into the tumor or resection cavity. The wound is then closed. Injections into the capsule were performed some 10 days later.
CONCLUSIONS: Targeted alpha therapy of secondary GBM with 213Bi-DOTA-SP is safe and well tolerated and may evolve as a promising novel therapeutic option for secondary GBM.
https://link.springer.com/article/10.1007%2Fs00259-018-4015-2
https://www.ncbi.nlm.nih.gov/pubmed/29713762
Thus Article Prolonged survival following local injection of targeted alpha therapy with 213Bi-substance P analogue.
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