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Arefpour A, Shafieesabet M, Chehrassan M, Ahmadzadehnanva A, Ghandhari H. Effect of denosumab in treatment of unresectable spine and sacrum giant cell tumor of bone. Musculoskelet Surg 2024; 108:93-98. [PMID: 37940782 DOI: 10.1007/s12306-023-00799-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 10/24/2023] [Indexed: 11/10/2023]
Abstract
Giant cell tumor of bone (GCTB) is a rare tumor of the bone that is locally invasive. Surgery is the primary treatment that is usually done by intralesional curettage. In pelvis and spine surgery may be associated with high rate of complications, recently, Denosumab has been proposed for the treatment of these tumors in latter anatomical regions. Denosumab may be administered alone or as an adjuvant to surgery. This study aimed to assess the treatment effects of Denosumab in patients with unresectable GCTB. This study was a case series. Patients with unresectable GCTB of vertebra and sacrum were enrolled in this study. Patients received 120 mg of monthly Denosumab and additional doses on days 8th and 15th of treatment. Images of patients before and after treatment were evaluated. Nine patients with a median age of 30 years with spine and sacrum GCTB were included in this study. The median time of treatment with denosumab was 28 months (range: 3-67). Tumor control was seen in all patients. According to Inverse Choi density/size (ICDS), criteria objective response (complete response and partial response) was seen in 8 patients, and one had stable disease. Based on CT scan images, in 4 patients (44.44%), less than 50% of the transverse diameter of the tumor became ossified, and in the other five patients (55.55%), more than 50% of the tumor's transverse diameter became ossified. The median tumor volume before treatment was 829 cm3, and after treatment was 504 cm3 which was significantly reduced (P = 0.005). No complication related to therapy was seen. Tumor response was seen in all patients, and tumor control according to ICDS criteria was evident in all cases. This finding was in line with previous studies. Clinical improvement of signs and symptoms was also seen in all patients. Generally, our study demonstrates a sustained clinical benefit and tumor response with Denosumab, as tumor response ≥ 24 weeks was evident in all cases. No side effects were seen in patients despite long-term treatment with Denosumab.
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Affiliation(s)
- A Arefpour
- Department of Radiation Oncology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - M Shafieesabet
- Department of Radiation Oncology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - M Chehrassan
- Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Tehran, Iran.
| | - A Ahmadzadehnanva
- Department of Radiology, Loghman Hakim Hospital, Shihad Beheshti University of Medical Sciences (SBUMS), Tehran, Iran
| | - H Ghandhari
- Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Tehran, Iran
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Liu Q, Bykanova O, Akhmadeev R, Baghaie S, Hekmatifar M, Arefpour A, Sabetvand R, Borisov V. Retraction Note: The numerical study of pressure and temperature effects on mechanical properties of baghdadite-based nanostructure: molecular dynamics simulation. Sci Rep 2023; 13:10315. [PMID: 37365195 DOI: 10.1038/s41598-023-37408-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023] Open
Affiliation(s)
- Qun Liu
- Harbin University, Harbin, 150080, Heilongjiang, China.
| | - Olga Bykanova
- Department of Higher Mathematics, Plekhanov Russian University of Economics, Stremyanny Lane, 36, Moscow, Russia, 117997
| | - Ravil Akhmadeev
- Department of Finance and Prices, Plekhanov Russian University of Economics, Stremyanny Lane, 36, Moscow, Russia, 117997
| | - Shaghaiegh Baghaie
- Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Iran.
| | - Maboud Hekmatifar
- Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Iran
| | - Ahmadreza Arefpour
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
| | - Roozbeh Sabetvand
- Department of Energy Engineering and Physics, Faculty of Condensed Matter Physics, Amirkabir University of Technology, Tehran, Iran
| | - Vitaliy Borisov
- Department of Propaedeutics of Dental Diseases, Sechenov First Moscow State Medical University, Moscow, Russia
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Liu Q, Bykanova O, Akhmadeev R, Baghaie S, Hekmatifar M, Arefpour A, Sabetvand R, Borisov V. The numerical study of pressure and temperature effects on mechanical properties of baghdadite-based nanostructure: molecular dynamics simulation. Sci Rep 2022; 12:7522. [PMID: 35525873 PMCID: PMC9079059 DOI: 10.1038/s41598-022-11642-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 04/27/2022] [Indexed: 11/09/2022] Open
Abstract
Bioceramics have been commonly implemented to replace and restore hard tissues such as teeth and bones in recent years. Among different bioceramics, Baghdadite (BAG) has high bioactivity due to its ability to form apatite and stimulate cell proliferation. So, this structure is used widely for medical applications to treat bone-based diseases. Physically, we expect changes in temperature and pressure to affect the Baghdadite-based nanostructure's mechanical behaviour. So, in this computational study, we report the pressure/temperature effect on Baghdadite matrix with nanoscale size by using Molecular Dynamics (MD) approach. To this end, physical values like the total energy, temperature, final strength (FS), stress-strain curve, potential energy, and Young's modulus (YM) are reported. Simulation results indicated the mechanical properties of Baghdadite (BAG) nanostructure weakened by temperature and pressure increase. Numerically, the FS and YM of the defined structure reach 131.40 MPa/159.43 MPa, and 115.15 MPa/139.72 MPa with temperature/pressure increasing. Therefore, the increase in initial pressure and temperature leads to a decrease in the mechanical properties of nanostructures. These results indicate the importance of the initial condition in the Baghdadite-based nanostructures' mechanical behaviour that must be considered in clinical applications.
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Affiliation(s)
- Qun Liu
- Harbin University, Harbin, 150080, Heilongjiang, China.
| | - Olga Bykanova
- Department of Higher Mathematics, Plekhanov Russian University of Economics, Stremyanny lane, 36, Moscow, Russia, 117997
| | - Ravil Akhmadeev
- Department of Finance and Prices, Plekhanov Russian University of Economics, Stremyanny lane, 36, Moscow, Russia, 117997
| | - Shaghaiegh Baghaie
- Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Iran.
| | - Maboud Hekmatifar
- Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Iran
| | - Ahmadreza Arefpour
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
| | - Roozbeh Sabetvand
- Department of Energy Engineering and Physics, Faculty of Condensed Matter Physics, Amirkabir University of Technology, Tehran, Iran
| | - Vitaliy Borisov
- Department of Propaedeutics of Dental Diseases, Sechenov First Moscow State Medical University, Moscow, Russia
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