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Tvrdik T, Gjeorgjievski SG, Wong P, Oskouei S, Read W, Bahrami A. Genomic Insights Into High-Grade Infarct-Associated Bone Sarcomas. Mod Pathol 2024; 37:100572. [PMID: 39033963 DOI: 10.1016/j.modpat.2024.100572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 07/06/2024] [Accepted: 07/14/2024] [Indexed: 07/23/2024]
Abstract
Sarcomas rarely develop in bones previously compromised by infarcts. These infarct-associated sarcomas often present as undifferentiated pleomorphic sarcomas (UPS), and their genetic characteristics are poorly understood. High-grade UPS of bone are typically treated with a combination of surgery and chemotherapy, similar to osteosarcoma. We conducted a detailed clinicopathologic and genomic analysis of 6 cases of intraosseous sarcomas arising from histologically and radiographically confirmed bone infarcts. We analyzed 523 genes for sequence-level mutations using next-generation sequencing with the TruSight Oncology 500 panel and utilized whole-genome single nucleotide polymorphism Microarray (OncoScan CNV) to detect copy number alterations and loss of heterozygosity (LOH). Genomic instability was assessed through homologous recombination deficiency (HRD) metrics, incorporating LOH, telomeric allelic imbalance, and large-scale state transitions. Fluorescence in situ hybridization and immunohistochemistry validated the findings. The cohort included 3 men and 3 women, with a median age of 70 years, and tumors located in the femur and tibia. Five of the 6 patients developed distant metastases. Treatment involved surgery and chemotherapy or immune checkpoint inhibitors. Genomic analysis revealed significant complexity and high HRD scores, ranging from 32 to 57 (with a cutoff of 32). Chromosome 12 alterations, including segmental amplification or chromothripsis, were observed in 4 cases. Notably, MDM2 amplification, confirmed by fluorescence in situ hybridization, was detected in 2 cases. Homozygous deletion of CDKN2A/B was observed in all six cases. Tumor mutational burden levels ranged from 2.4 to 7.9 mutations per megabase. Notable pathogenic mutations included H3-3A mutations (p.G35R and p.G35W), and mutations in HRAS, DNMT3A, NF2, PIK3CA, POLE, and TP53, each in one case. These results suggest that high-grade infarct-associated sarcomas of bone, whereas sharing high levels of structural variations with osteosarcoma, may exhibit potentially less frequent TP53 mutations and more common CDKN2A/B deletions. This points to the possibility that the mutation spectrum and disrupted pathways could be distinct from conventional osteosarcoma.
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Affiliation(s)
- Tatiana Tvrdik
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia.
| | | | - Philip Wong
- Department of Diagnostic Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia
| | - Shervin Oskouei
- Department of Orthopedic Surgery, Emory University School of Medicine, Atlanta, Georgia
| | - William Read
- Department of Hematology Oncology, Emory University School of Medicine, Atlanta, Georgia
| | - Armita Bahrami
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia.
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Kim C, Davis LE, Albert CM, Samuels B, Roberts JL, Wagner MJ. Osteosarcoma in Pediatric and Adult Populations: Are Adults Just Big Kids? Cancers (Basel) 2023; 15:5044. [PMID: 37894411 PMCID: PMC10604996 DOI: 10.3390/cancers15205044] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/16/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023] Open
Abstract
Malignant bone tumors are commonly classified as pediatric or adolescent malignancies, and clinical trials for these diseases have generally focused on these populations. Of primary bone cancers, osteosarcoma is among the most common. Osteosarcoma has a bimodal age distribution, with the first peak occurring in patients from 10 to 14 years old, and the second peak occurring in patients older than 65, with about 25% of cases occurring in adults between 20 and 59 years old. Notably, adult osteosarcoma patients have worse outcomes than their pediatric counterparts. It remains unclear whether age itself is a poor prognostic factor, or if inherent differences in tumor biology exist between age groups. Despite these unknowns, current treatment strategies for adults are largely extrapolated from pediatric studies since the majority of clinical trials for osteosarcoma treatments are based on younger patient populations. In light of the different prognoses observed in pediatric and adult osteosarcoma, we summarize the current understanding of the molecular etiology of osteosarcoma and how it may differ between age groups, hypothesizing why adult patients have worse outcomes compared to children.
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Affiliation(s)
- Caleb Kim
- Division of Hematology and Oncology, University of Washington, Spokane, WA 99202, USA;
| | - Lara E. Davis
- Division of Hematology/Medical Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, OR 97239, USA
| | - Catherine M. Albert
- Division of Pediatric Hematology, Oncology, Bone Marrow Transplant and Cellular Therapy, Seattle Children’s Hospital, Seattle, WA 98105, USA
| | | | - Jesse L. Roberts
- Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, WA 98109, USA
| | - Michael J. Wagner
- Division of Hematology and Oncology, University of Washington, Seattle, WA 98109, USA
- Clinical Research Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA
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Facchin C, Fraga-Timiraos AB, Schmitt J, Babaa N, Pannu N, Aliaga A, Larroque AL, Jean-Claude BJ. Molecular Analysis of the Superior Efficacy of a Dual Epidermal Growth Factor Receptor (EGFR)-DNA-Targeting Combi-Molecule in Comparison with Its Putative Prodrugs 6-Mono-Alkylamino- and 6,6-Dialkylaminoquinazoline in a Human Osteosarcoma Xenograft Model. Cells 2023; 12:914. [PMID: 36980255 PMCID: PMC10046901 DOI: 10.3390/cells12060914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 03/02/2023] [Accepted: 03/08/2023] [Indexed: 03/17/2023] Open
Abstract
Background: ZR2002 is a dual EGFR-DNA-targeting combi-molecule that carries a chloroethyl group at the six-position of the quinazoline ring designed to alkylate DNA. Despite its good pharmacokinetics, ZR2002 is metabolized in vivo into dechlorinated metabolites, losing the DNA-alkylating function required to damage DNA. To increase the DNA damage activity in tumor cells in vivo, we compared ZR2002 with two of its 6-N,N-disubstituted analogs: "JS61", with a nitrogen mustard function at the six-position of the quinazoline ring, and "JS84", with an N-methyl group. Methods: Tumor xenografts were performed with the human Saos-2 osteosarcoma cell line expressing EGFR. Mice were treated with ZR2002, JS84 or JS61, and the tumor burden was measured with a caliper and CT/PET imaging. Drug metabolism was analyzed with LC-MS. EGFR and ɣ-H2AX phosphorylation were quantified via Western blot analysis and immunohistochemistry. Results: In vivo analysis showed that significant tumor growth inhibition was only achieved when ZR2002 was administered in its naked form. The metabolic dealkylation of JS61 and JS84 did not release sufficient concentrations of ZR2002 for the intratumoral inhibition of P-EGFR or enhanced levels of P-H2AX. Conclusions: The results in toto suggest that intratumoral concentrations of intact ZR2002 are correlated with the highest inhibition of P-EGFR and induction of DNA damage in vivo. ZR2002 may well represent a good drug candidate for the treatment of EGFR-expressing osteosarcoma.
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Affiliation(s)
- Caterina Facchin
- Cancer Drug Research Laboratory, The Research Institute of the McGill University Health Center (RI-MUHC), Department of Medicine, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H4A 3J1, Canada
| | | | | | | | | | | | | | - Bertrand J. Jean-Claude
- Cancer Drug Research Laboratory, The Research Institute of the McGill University Health Center (RI-MUHC), Department of Medicine, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H4A 3J1, Canada
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Ganguly S, Sasi A, Khan SA, Kumar VS, Kapoor L, Sharma MC, Mridha A, Barwad A, Thulkar S, Pushpam D, Bakhshi S. Formulation and validation of a baseline prognostic score for osteosarcoma treated uniformly with a non-high dose methotrexate-based protocol from a low middle income healthcare setting: a single centre analysis of 594 patients. Front Oncol 2023; 13:1148480. [PMID: 37188186 PMCID: PMC10175811 DOI: 10.3389/fonc.2023.1148480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 04/05/2023] [Indexed: 05/17/2023] Open
Abstract
Introduction The outcomes of osteosarcoma in low middle income countries (LMICs) are different due to patients presenting in advanced stages, resource constraints and the use of non-high-dose-methotrexate (HDMTX)-based regimens. This study derived and validated a prognostic score for osteosarcoma that integrates biologic and social factors and is tailored for patients from an LMIC setting using a non-HDMTX-based protocol. Materials and methods A retrospective study including osteosarcoma patients enrolled for treatment at a single tertiary care centre in India between 2003-19 was conducted. Baseline biologic and social characteristics were extracted from medical records and survival outcomes were noted. The cohort was randomised into a derivation and validation cohort. Multivariable Cox regression was used to identify baseline characteristics that were independently prognostic for survival outcomes in the derivation cohort. A score was derived from the prognostic factors identified in the derivation cohort and further validated in the validation cohort with estimation of its predictive ability. Results 594 patients with osteosarcoma were eligible for inclusion in the study. Around one-third of the cohort had metastatic disease with 59% of the patients residing in rural areas. The presence of metastases at baseline (HR 3.39; p<0.001; score=3), elevated serum alkaline phosphatase (SAP) >450 IU/L (HR 1.57; p=0.001; score=1) and baseline tumour size > 10 cm (HR 1.68; p<0.001; score=1) were identified to be independent factors predicting inferior event free survival (EFS) and were included in development of the prognostic score. Patients were categorized as low risk (score 0), intermediate risk (score 1-3) and high risk (4-5). Harrell's c-indices for the score were 0.682, 0.608 and 0.657 respectively for EFS in the derivation, validation and whole cohort respectively. The timed AUC of ROC was 0.67 for predicting 18-month EFS in the derivation, validation and whole cohorts while that for 36-month EFS were 0.68, 0.66 and 0.68 respectively. Conclusions The study describes the outcomes among osteosarcoma patients from an LMIC treated uniformly with a non-HDMTX-based protocol. Tumor size, baseline metastases and SAP were prognostic factors used to derive a score with good predictive value for survival outcomes. Social factors did not emerge as determinants of survival.
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Affiliation(s)
- Shuvadeep Ganguly
- Department of Medical Oncology, Dr. B.R.A. Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Archana Sasi
- Department of Medical Oncology, Dr. B.R.A. Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Shah Alam Khan
- Department of Orthopaedics, All India Institute of Medical Sciences, New Delhi, India
| | | | - Love Kapoor
- Department of Orthopaedics, All India Institute of Medical Sciences, New Delhi, India
| | - Mehar Chand Sharma
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Asit Mridha
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Adarsh Barwad
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Sanjay Thulkar
- Department of Radiodiagnosis, Dr. B.R.A. Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Deepam Pushpam
- Department of Medical Oncology, Dr. B.R.A. Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Sameer Bakhshi
- Department of Medical Oncology, Dr. B.R.A. Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
- *Correspondence: Sameer Bakhshi,
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Borges R, Pelosine AM, de Souza ACS, Machado J, Justo GZ, Gamarra LF, Marchi J. Bioactive Glasses as Carriers of Cancer-Targeted Drugs: Challenges and Opportunities in Bone Cancer Treatment. MATERIALS (BASEL, SWITZERLAND) 2022; 15:9082. [PMID: 36556893 PMCID: PMC9781635 DOI: 10.3390/ma15249082] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/06/2022] [Accepted: 12/14/2022] [Indexed: 05/20/2023]
Abstract
The treatment of bone cancer involves tumor resection followed by bone reconstruction of the defect caused by the tumor using biomaterials. Additionally, post-surgery protocols cover chemotherapy, radiotherapy, or drug administration, which are employed as adjuvant treatments to prevent tumor recurrence. In this work, we reviewed new strategies for bone cancer treatment based on bioactive glasses as carriers of cancer-targeted and other drugs that are intended for bone regeneration in conjunction with adjuvant treatments. Drugs used in combination with bioactive glasses can be classified into cancer-target, osteoclast-target, and new therapies (such as gene delivery and bioinorganic). Microparticulated, nanoparticulated, or mesoporous bioactive glasses have been used as drug-delivery systems. Additionally, surface modification through functionalization or the production of composites based on polymers and hydrogels has been employed to improve drug-release kinetics. Overall, although different drugs and drug delivery systems have been developed, there is still room for new studies involving kinase inhibitors or antibody-conjugated drugs, as these drugs have been poorly explored in combination with bioactive glasses.
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Affiliation(s)
- Roger Borges
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André 09210-580, Brazil
| | - Agatha Maria Pelosine
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André 09210-580, Brazil
| | | | - Joel Machado
- Departamento de Ciências Biológicas, Universidade Federal de São Paulo, Diadema 05508-070, Brazil
| | - Giselle Zenker Justo
- Departamento de Bioquímica, Universidade Federal de São Paulo, São Paulo 05508-070, Brazil
| | | | - Juliana Marchi
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André 09210-580, Brazil
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Sung JY, Kim JH, Kang HG, Park JW, Park SY, Park BK, Kim YN. ICSBP-induced PD-L1 enhances osteosarcoma cell growth. Front Oncol 2022; 12:918216. [PMID: 36249036 PMCID: PMC9555079 DOI: 10.3389/fonc.2022.918216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 09/05/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundInterferon (IFN) consensus sequence binding protein (ICSBP) is a transcription factor induced by IFN-γ. We previously reported that ICSBP expression promotes osteosarcoma progression by enhancing transforming growth factor-β signaling. In cancer cells, programmed death-ligand 1 (PD-L1) contributes to immune escape and may also be involved in tumor progression. Because IFN-γ induces the expression of both ICSBP and PD-L1, we explored the association between ICSBP and PD-L1 expression in terms of osteosarcoma progression.MethodsThree osteosarcoma cell lines (Saos2, U2OS, and 143B) were employed. Gene expression was measured by qRT-PCR, and protein levels were assessed by immunoblotting. PD-L1 expression was evaluated in cells overexpressing ICSBP and in ICSBP knockdown cells. The effects of PD-L1 expression on cell growth were examined by MTS assays, Incucyte analysis, soft agar assays, and three-dimensional (3D) culture. Cell cycle and apoptosis were evaluated by FACS analysis of cells stained with propidium iodide (PI) and annexin V/PI, respectively. The antitumor effects of PD-L1 knockdown without or with doxorubicin treatment were evaluated in vivo in nude mice bearing ICSBP-overexpressing 143B cell xenograft. The clinical relevance of PD-L1 and ICSBP expression was evaluated immunohistochemically using a human osteosarcoma microarray and through analysis of publicly available data using Gene Expression Profiling Interactive Analysis2.ResultsICSBP overexpression upregulated PD-L1 expression in all three cell lines, whereas ICSBP knockdown decreased the PD-L1 expression. PD-L1 knockdown attenuated the cell growth and reduced colony-forming capacity in both soft agar assays and 3D culture. PD-L1 knockdown increased apoptosis and induced G2/M arrest, which was associated with decreased expression of survivin, cyclin-dependent kinase 4 (CDK4), cyclin E, and cyclin D1 expression and increased the expression of p27, phosphorylated Cdc2, and phosphorylated Wee1. PD-L1 knockdown decreased the growth of tumor xenografts and increased the doxorubicin sensitivity of ICSBP-overexpressing 143B cells both in vitro and in vivo. PD-L1 was expressed in human osteosarcoma tissues, and its expression was moderately correlated with that of ICSBP in osteosarcoma patients.ConclusionICSBP regulates PD-L1 expression in osteosarcoma cells, and PD-L1 knockdown combined with doxorubicin treatment could represent a strategy for controlling osteosarcoma expressing ICSBP.
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Affiliation(s)
- Jee Young Sung
- Metastasis Branch, Division of Cancer Biology, National Cancer Center, Goyang, South Korea
| | - June Hyuk Kim
- Orthopedic Oncology Clinic, Center for Rare Cancers, National Cancer Center, Goyang, South Korea
| | - Hyun Guy Kang
- Orthopedic Oncology Clinic, Center for Rare Cancers, National Cancer Center, Goyang, South Korea
| | - Jong Woong Park
- Orthopedic Oncology Clinic, Center for Rare Cancers, National Cancer Center, Goyang, South Korea
| | - Seog-Yun Park
- Pathology Department, National Cancer Center, Goyang, South Korea
| | - Byung-Kiu Park
- Center for Pediatric Oncology, National Cancer Center, Goyang, South Korea
- *Correspondence: Yong-Nyun Kim, ; Byung-Kiu Park,
| | - Yong-Nyun Kim
- Metastasis Branch, Division of Cancer Biology, National Cancer Center, Goyang, South Korea
- *Correspondence: Yong-Nyun Kim, ; Byung-Kiu Park,
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Demographics, Outcomes, and Risk Factors for Patients with Sarcoma and COVID-19: A CCC19-Registry Based Retrospective Cohort Study. Cancers (Basel) 2022; 14:cancers14174334. [PMID: 36077869 PMCID: PMC9454925 DOI: 10.3390/cancers14174334] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 08/26/2022] [Accepted: 08/29/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Sarcomas are a group of cancers with differing clinical features, some of which require long courses of cytotoxic chemotherapy. Therefore, patients with sarcoma may be at high risk of developing severe COVID-19. The aim of our study was to describe risk factors and clinical outcomes for patients with sarcoma and COVID-19. We show that patients with sarcoma have high rates of complications from COVID-19. Risk factors for more severe COVID-19 included older age, poor performance status, and lung metastases. We also compared 30 day mortality rates to a matched cohort of patients with sarcoma without COVID-19 and found that patients with bone sarcoma may be at higher risk of death from COVID-19 than patients with other sarcoma subtypes. Abstract Background: Patients with sarcoma often require individualized treatment strategies and are likely to receive aggressive immunosuppressive therapies, which may place them at higher risk for severe COVID-19. We aimed to describe demographics, risk factors, and outcomes for patients with sarcoma and COVID-19. Methods: We performed a retrospective cohort study of patients with sarcoma and COVID-19 reported to the COVID-19 and Cancer Consortium (CCC19) registry (NCT04354701) from 17 March 2020 to 30 September 2021. Demographics, sarcoma histologic type, treatments, and COVID-19 outcomes were analyzed. Results: of 281 patients, 49% (n = 139) were hospitalized, 33% (n = 93) received supplemental oxygen, 11% (n = 31) were admitted to the ICU, and 6% (n = 16) received mechanical ventilation. A total of 23 (8%) died within 30 days of COVID-19 diagnosis and 44 (16%) died overall at the time of analysis. When evaluated by sarcoma subtype, patients with bone sarcoma and COVID-19 had a higher mortality rate than patients from a matched SEER cohort (13.5% vs 4.4%). Older age, poor performance status, recent systemic anti-cancer therapy, and lung metastases all contributed to higher COVID-19 severity. Conclusions: Patients with sarcoma have high rates of severe COVID-19 and those with bone sarcoma may have the greatest risk of death.
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Zhou H, Dong Y, Alhaskawi A, Lai J, Wang Z, Ezzi SHA, Kota VG, Abdulla MHAH, Sun Z, Lu H. The Roles of TNF Signaling Pathways in Metabolism of Bone Tumors. Front Pharmacol 2022; 13:907629. [PMID: 35847045 PMCID: PMC9277014 DOI: 10.3389/fphar.2022.907629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/30/2022] [Indexed: 12/15/2022] Open
Abstract
The metabolism of bone tumors is extraordinarily complex and involves many signaling pathways and processes, including the tumor necrosis factor (TNF) signaling pathway, which consists of TNF factors and the TNF receptors that belong to the TNF receptor superfamily (TNFRSF). It is appreciated that signaling events and pathways involving TNFRSF components are essential in coordinating the functions of multiple cell types that act as a host defense network against pathogens and malignant cells, the implications of TNFRSF-related signaling pathways on bone tumor metabolism remain to be summarized, which is one of the significant obstacles to the application of TNF-related treatment modalities in the domain of bone oncology. This review will discuss and summarize the anti-tumor properties of important TNFRSF components concerning osteosarcoma, chondrosarcoma, and Ewing sarcoma.
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Affiliation(s)
- Haiying Zhou
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Yanzhao Dong
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Ahmad Alhaskawi
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Jingtian Lai
- Zhejiang University School of Medicine, Hangzhou, China
| | - Zewei Wang
- Zhejiang University School of Medicine, Hangzhou, China
| | | | | | | | - Zhenyu Sun
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Hui Lu
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
- Alibaba-Zhejiang University Joint Research Center of Future Digital Healthcare, Zhejiang University, Hangzhou, China
- *Correspondence: Hui Lu,
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Bläsius F, Delbrück H, Hildebrand F, Hofmann UK. Surgical Treatment of Bone Sarcoma. Cancers (Basel) 2022; 14:cancers14112694. [PMID: 35681674 PMCID: PMC9179414 DOI: 10.3390/cancers14112694] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/22/2022] [Accepted: 05/24/2022] [Indexed: 12/24/2022] Open
Abstract
Bone sarcomas are rare primary malignant mesenchymal bone tumors. The three main entities are osteosarcoma, chondrosarcoma, and Ewing sarcoma. While prognosis has improved for affected patients over the past decades, bone sarcomas are still critical conditions that require an interdisciplinary diagnostic and therapeutic approach. While radiotherapy plays a role especially in Ewing sarcoma and chemotherapy in Ewing sarcoma and osteosarcoma, surgery remains the main pillar of treatment in all three entities. After complete tumor resection, the created bone defects need to be reconstructed. Possible strategies are implantation of allografts or autografts including vascularized bone grafts (e.g., of the fibula). Around the knee joint, rotationplasty can be performed or, as an alternative, the implantation of (expandable) megaprostheses can be performed. Challenges still associated with the implantation of foreign materials are aseptic loosening and infection. Future improvements may come with advances in 3D printing of individualized resection blades/implants, thus also securing safe tumor resection margins while at the same time shortening the required surgical time. Faster osseointegration and lower infection rates may possibly be achieved through more elaborate implant surface structures.
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Affiliation(s)
- Felix Bläsius
- Department of Orthopaedic, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074 Aachen, Germany; (F.B.); (H.D.); (F.H.)
- Centre for Integrated Oncology Aachen Bonn Köln Düsseldorf (CIO), 52074 Aachen, Germany
| | - Heide Delbrück
- Department of Orthopaedic, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074 Aachen, Germany; (F.B.); (H.D.); (F.H.)
- Centre for Integrated Oncology Aachen Bonn Köln Düsseldorf (CIO), 52074 Aachen, Germany
| | - Frank Hildebrand
- Department of Orthopaedic, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074 Aachen, Germany; (F.B.); (H.D.); (F.H.)
- Centre for Integrated Oncology Aachen Bonn Köln Düsseldorf (CIO), 52074 Aachen, Germany
| | - Ulf Krister Hofmann
- Department of Orthopaedic, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074 Aachen, Germany; (F.B.); (H.D.); (F.H.)
- Centre for Integrated Oncology Aachen Bonn Köln Düsseldorf (CIO), 52074 Aachen, Germany
- Correspondence: ; Tel.: +49-(0)241-80-89350
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Cranmer LD, Chau B, Mantilla JG, Loggers ET, Pollack SM, Kim TS, Kim EY, Kane GM, Thompson MJ, Harwood JL, Wagner MJ. Is Chemotherapy Associated with Improved Overall Survival in Patients with Dedifferentiated Chondrosarcoma? A SEER Database Analysis. Clin Orthop Relat Res 2022; 480:748-758. [PMID: 34648466 PMCID: PMC8923599 DOI: 10.1097/corr.0000000000002011] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 09/21/2021] [Indexed: 01/31/2023]
Abstract
BACKGROUND Dedifferentiated chondrosarcoma is a chondrosarcoma subtype associated with high rates of recurrence and a poor prognosis. Others have proposed treatment of dedifferentiated chondrosarcoma using osteosarcoma protocols, including perioperative chemotherapy. However, the rarity of this condition poses difficulties in undertaking single- institution studies of sufficient sample size. QUESTION/PURPOSE Is perioperative chemotherapy associated with improved overall survival in patients with dedifferentiated chondrosarcoma? METHODS We queried the Surveillance, Epidemiology, and End Results (SEER) 1973 to 2016 database for patients with a diagnosis of dedifferentiated chondrosarcoma (n = 308). As dedifferentiated chondrosarcoma was only classified as a distinct entity in SEER starting in 2000, only patients treated in 2000 and later were included. We excluded from our analyses those patients with distant disease at diagnosis, a primary site of disease other than bone or joints, and those who did not receive cancer-directed surgery. These criteria yielded 185 dedifferentiated chondrosarcoma patients for inclusion. We used Kaplan-Meier analyses and Cox proportional hazards models to assess the association of clinical, demographic, and treatment characteristics on overall survival (OS). RESULTS After controlling for confounding variables, including age, sex, tumor size, stage, grade, location, and radiation treatment status, and after adjusting for missing data, no overall survival benefit was associated with receipt of chemotherapy in patients with dedifferentiated chondrosarcoma (hazard ratio 0.75 [95% confidence interval 0.49 to 1.12]; p = 0.16). CONCLUSION Chemotherapy treatment of dedifferentiated chondrosarcoma was not associated with improved OS. These results must be viewed cautiously, given the limited granularity of information on chemotherapy treatment, the concerns regarding chemotherapy misclassification in SEER data, and the small sample of patients with dedifferentiated chondrosarcoma, all of which limit the power to detect a difference. Our findings are nevertheless consistent with those of prior reports in which no benefit of chemotherapy could be detected. Lack of clear benefit from perioperative chemotherapy in dedifferentiated chondrosarcoma argues that it should be used only after careful consideration, and ideally in the context of a clinical trial. LEVEL OF EVIDENCE Level III, therapeutic study.
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Affiliation(s)
- Lee D. Cranmer
- Division of Medical Oncology, University of Washington, Seattle, WA, USA
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Bonny Chau
- Division of Medical Oncology, University of Washington, Seattle, WA, USA
| | - Jose G. Mantilla
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
| | - Elizabeth T. Loggers
- Division of Medical Oncology, University of Washington, Seattle, WA, USA
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Seth M. Pollack
- Division of Medical Oncology, University of Washington, Seattle, WA, USA
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Teresa S. Kim
- Department of Surgery, University of Washington, Seattle, WA, USA
| | - Edward Y. Kim
- Department of Radiation Oncology, University of Washington, Seattle, WA, USA
| | - Gabrielle M. Kane
- Department of Radiation Oncology, University of Washington, Seattle, WA, USA
| | - Matthew J. Thompson
- Department of Orthopedics and Sports Medicine, University of Washington, Seattle, WA, USA
| | - Jared L. Harwood
- Department of Orthopedics and Sports Medicine, University of Washington, Seattle, WA, USA
| | - Michael J. Wagner
- Division of Medical Oncology, University of Washington, Seattle, WA, USA
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
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11
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Mailankody S, Kumar VS, Khan SA, Banavali SD, Bajpai J. Resource-appropriate selection of osteosarcoma treatment protocols in low- and middle-income countries. Pediatr Blood Cancer 2022; 69:e29540. [PMID: 34971016 DOI: 10.1002/pbc.29540] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 10/30/2021] [Accepted: 12/08/2021] [Indexed: 02/01/2023]
Abstract
Osteosarcoma is a rare malignancy; however, it is still the most common primary bone tumor in adolescents and young adults. Chemotherapy improves survival indubitably in osteosarcoma; nevertheless, the concern is the stagnant progress since the last several decades. There are a handful of active agents and unresolved issues, especially in choosing the ideal chemotherapy regimen. The oncology community is in equipoise regarding the position of high-dose methotrexate (HDMTX), mandatory or adjunct. The choice of therapy becomes widely relevant, including in low- and middle-income countries (LMIC), where HDMTX administration brings additional complexities. Research into novel non-HDMTX-based protocols adapted to the available resources is pivotal in improving disease outcomes, especially in LMIC. The current review focuses on real-world challenges in decision-making and provides a comprehensive overview of the evolution of treatment protocols in LMIC.
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Affiliation(s)
- Sharada Mailankody
- Department of Medical Oncology, Manipal Comprehensive Cancer Care Centre, Kasturba Medical College, Manipal, Karnataka, India.,Manipal Academy of Higher Education, Manipal, Karnataka, India
| | | | - Shah Alam Khan
- Department of Orthopedics, All India Institute of Medical Sciences, New Delhi, India
| | - Shripad D Banavali
- Department of Medical Oncology, Tata Memorial Center, Homi Bhabha National Institute (HBNI), Mumbai, Maharasthra, India
| | - Jyoti Bajpai
- Department of Medical Oncology, Tata Memorial Center, Homi Bhabha National Institute (HBNI), Mumbai, Maharasthra, India
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12
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Cyphert EL, Kanagasegar N, Zhang N, Learn GD, von Recum HA. PMMA Bone Cement Composite Functions as an Adjuvant Chemotherapeutic Platform for Localized and Multi-Window Release During Bone Reconstruction. Macromol Biosci 2022; 22:e2100415. [PMID: 35113499 DOI: 10.1002/mabi.202100415] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 01/06/2022] [Indexed: 11/10/2022]
Abstract
Primary bone tumor resections often result in critical size defects, which then necessitate challenging clinical management approaches to reconstruct. One such intervention is the Masquelet technique, in which poly(methyl methacrylate) (PMMA) bone cement is placed as a spacer temporarily while adjuvant chemotherapeutics are administered systemically. The spacer is later removed and replaced with bone autograft. Local recurrence remains an important and devastating problem, therefore, a system capable of locally delivering chemotherapeutics would present unique advantages. In this work, a refillable chemotherapeutic (doxorubicin, DOX) delivery platform comprised of PMMA bone cement and insoluble γ-cyclodextrin (γ-CD) polymeric microparticles is developed and explored towards application as a temporary adjuvant chemotherapeutic spacer. The system is characterized for porosity, mechanical strength, DOX filling and refilling capacity, elution kinetics, and cytotoxicity. Since residual chemotherapeutics could adversely impact bone healing, it is important that virtually all DOX be released from material. Composites containing 15wt% γ-CD microparticles demonstrate 100% DOX release within 100 days, whereas only 6% DOX is liberated from PMMA with free DOX over same period. Refillable properties of PMMA composite system may find utility for customizing dosing regimens. Findings suggest that PMMA composites could have potential as chemotherapeutic delivery platforms to assist in bone reconstruction. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Erika L Cyphert
- Department of Biomedical Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH, 44106, USA
| | - Nithya Kanagasegar
- School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH, 44106, USA
| | - Ningjing Zhang
- Department of Biomedical Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH, 44106, USA
| | - Greg D Learn
- Department of Biomedical Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH, 44106, USA
| | - Horst A von Recum
- Department of Biomedical Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH, 44106, USA
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13
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Donigian S, Whiteway SL, Hipp SJ, Lybeck D, Clark RO. Malignant Giant Cell Tumor of Bone With a KRAS G12V Mutation. J Pediatr Hematol Oncol 2022; 44:e268-e271. [PMID: 33633024 DOI: 10.1097/mph.0000000000002112] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 01/12/2021] [Indexed: 11/26/2022]
Abstract
Malignant giant cell tumor of bone (GCTB) is a rare, aggressive, sarcoma occurring in adolescent and young adults. It is characterized by the presence of multinucleated giant cells and an aggressive clinical course. Because of the rarity of this tumor, no standard therapies have been identified. Current treatment regimens often include osteosarcoma chemotherapy protocols. We present a case of a malignant GCTB with a KRAS G12V mutation. This mutation is a known oncogenic driver that has not previously been reported on patients with malignant GCTB.
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Affiliation(s)
| | | | | | - Dustin Lybeck
- Orthopedics, Brooke Army Medical Center, Fort Sam Houston, TX
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14
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Ono T, Noguchi R, Yoshimatsu Y, Tsuchiya R, Sin Y, Nakagawa R, Hirabayashi K, Ozawa I, Kikuta K, Kondo T. Establishment and characterization of the NCC-GCTB4-C1 cell line: a novel patient-derived cell line from giant cell tumor of bone. Hum Cell 2021; 35:392-399. [PMID: 34731453 DOI: 10.1007/s13577-021-00639-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 10/21/2021] [Indexed: 11/26/2022]
Abstract
Giant cell tumor of bone (GCTB) is a rare osteolytic intermediate bone tumor that harbors a pathogenic H3F3A gene mutation and exhibits characteristic histology. The standard curative treatment for GCTB is complete surgical resection, but it frequently results in local recurrence and, more rarely, metastasis. Therefore, effective multidisciplinary treatment is needed. Although patient-derived tumor cell lines are promising tools for preclinical and basic research, there are only four available cell lines for GCTB in public cell banks. Thus, the aim of this study was to establish a novel GCTB cell line. Using surgically resected tumor tissues from a patient with GCTB, we established a cell line named NCC-GCTB4-C1. The cells harbored the typical H3F3A gene mutation and exhibited constant proliferation and invasive capabilities. After characterizing NCC-GCTB4-C1 cell behaviors, we conducted high-throughput screening of 214 anti-tumor drugs and identified seven effective drugs. Comparing the results of high-throughput screening using NCC-GCTB4-C1 cell line with the results using NCC-GCTB1-C1, NCC-GCTB2-C1, and NCC-GCTB3-C1 cell lines that we previously established, four drugs were in common effective. This study showed potential drugs for the treatment of GCTB. These data indicate that NCC-GCTB4-C1 has the potential to be a powerful tool in preclinical and basic research on GCTB.
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Affiliation(s)
- Takuya Ono
- Division of Rare Cancer Research, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
- Graduate School of Biomedical Sciences, Nagasaki University, 1-12-4 Sakamoto, Nagasaki, 852-8523, Japan
| | - Rei Noguchi
- Division of Rare Cancer Research, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Yuki Yoshimatsu
- Division of Rare Cancer Research, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Ryuto Tsuchiya
- Division of Rare Cancer Research, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Yooksil Sin
- Division of Rare Cancer Research, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan
| | - Rumi Nakagawa
- Division of Musculoskeletal Oncology and Orthopaedics Surgery, Tochigi Cancer Center, 4-9-13 Yohnan, Utsunomiya, Tochigi, 320-0834, Japan
| | - Kaoru Hirabayashi
- Division of Diagnostic Pathology, Tochigi Cancer Center, 4-9-13 Yohnan, Utsunomiya, Tochigi, 320-0834, Japan
| | - Iwao Ozawa
- Division of Hepato-Biliary-Pancreatic Surgery, Tochigi Cancer Center, 4-9-13 Yohnan, Utsunomiya, Tochigi, 320-0834, Japan
| | - Kazutaka Kikuta
- Division of Musculoskeletal Oncology and Orthopaedics Surgery, Tochigi Cancer Center, 4-9-13 Yohnan, Utsunomiya, Tochigi, 320-0834, Japan
| | - Tadashi Kondo
- Division of Rare Cancer Research, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan.
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15
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Giordano F, Lenna S, Rampado R, Brozovich A, Hirase T, Tognon MG, Martini F, Agostini M, Yustein JT, Taraballi F. Nanodelivery Systems Face Challenges and Limitations in Bone Diseases Management. ADVANCED THERAPEUTICS 2021. [DOI: 10.1002/adtp.202100152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Federica Giordano
- Center for Musculoskeletal Regeneration Houston Methodist Academic Institute, Houston Methodist 6670 Bertner Ave Houston TX 77030 USA
- Orthopedics and Sports Medicine Houston Methodist Hospital Houston Methodist, 6565 Fannin Street Houston TX 77030 USA
| | - Stefania Lenna
- Center for Musculoskeletal Regeneration Houston Methodist Academic Institute, Houston Methodist 6670 Bertner Ave Houston TX 77030 USA
- Orthopedics and Sports Medicine Houston Methodist Hospital Houston Methodist, 6565 Fannin Street Houston TX 77030 USA
| | - Riccardo Rampado
- Center for Musculoskeletal Regeneration Houston Methodist Academic Institute, Houston Methodist 6670 Bertner Ave Houston TX 77030 USA
- Orthopedics and Sports Medicine Houston Methodist Hospital Houston Methodist, 6565 Fannin Street Houston TX 77030 USA
- First Surgical Clinic Section, Department of Surgical Oncological and Gastroenterological Sciences, University of Padua Padua 35124 Italy
- Nano‐Inspired Biomedicine Laboratory Institute of Pediatric Research—Città della Speranza Padua Italy
| | - Ava Brozovich
- Center for Musculoskeletal Regeneration Houston Methodist Academic Institute, Houston Methodist 6670 Bertner Ave Houston TX 77030 USA
- Orthopedics and Sports Medicine Houston Methodist Hospital Houston Methodist, 6565 Fannin Street Houston TX 77030 USA
- Texas A&M College of Medicine 8447 Highway 47 Bryan TX 77807 USA
| | - Takashi Hirase
- Center for Musculoskeletal Regeneration Houston Methodist Academic Institute, Houston Methodist 6670 Bertner Ave Houston TX 77030 USA
- Orthopedics and Sports Medicine Houston Methodist Hospital Houston Methodist, 6565 Fannin Street Houston TX 77030 USA
| | - Mauro G. Tognon
- Section of Experimental Medicine, Department of Medical Sciences, School of Medicine University of Ferrara Ferrara Italy
| | - Fernanda Martini
- Section of Experimental Medicine, Department of Medical Sciences, School of Medicine University of Ferrara Ferrara Italy
| | - Marco Agostini
- First Surgical Clinic Section, Department of Surgical Oncological and Gastroenterological Sciences, University of Padua Padua 35124 Italy
- Nano‐Inspired Biomedicine Laboratory Institute of Pediatric Research—Città della Speranza Padua Italy
| | - Jason T. Yustein
- Texas Children's Cancer and Hematology Centers and The Faris D. Virani Ewing Sarcoma Center Baylor College of Medicine Houston TX 77030 USA
| | - Francesca Taraballi
- Center for Musculoskeletal Regeneration Houston Methodist Academic Institute, Houston Methodist 6670 Bertner Ave Houston TX 77030 USA
- Orthopedics and Sports Medicine Houston Methodist Hospital Houston Methodist, 6565 Fannin Street Houston TX 77030 USA
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16
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Jagodzińska-Mucha P, Raciborska A, Koseła-Paterczyk H, Kozak K, Bilska K, Świtaj T, Falkowski S, Dawidowska A, Rutkowski P, Ługowska I. Age as a Prognostic Factor in Patients with Ewing Sarcoma-The Polish Sarcoma Group Experience. J Clin Med 2021; 10:jcm10163627. [PMID: 34441922 PMCID: PMC8397138 DOI: 10.3390/jcm10163627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 08/14/2021] [Accepted: 08/15/2021] [Indexed: 12/03/2022] Open
Abstract
Ewing sarcoma (ES) is a rare and aggressive disease that requires multidisciplinary treatment with the use of chemotherapy, radiotherapy, and surgery. Our retrospective study aimed to analyze the prognostic factors and treatment results in different age groups of patients. Between 1998 and 2018, 569 patients with ES were treated in two referral centers. The patients were divided into four age groups (≤10 years; 11–18 years; 19–25, and >25). The treatment results and prognostic factors were assessed for each group. For statistical analyses, we used the Chi2 test, the Kaplan–Meier estimator with a log-rank test, and the multivariate Cox model. Five-year overall survival (OS) rate was 56%. In the age subgroups: ≤10 years, 11–18 years, 19–25 years, and >25 years, the 5-year OS rates were 75%, 58%, 41%, and 52%, respectively. Favorable prognostic factors: female gender (p = 0.024), non-axial localization (p = 0.005), VIDE regimen (p < 0.001), and surgery as a local treatment (p < 0.001) dominated in the group ≤10 years. In multivariate analysis, male (HR = 1.53), axial localization (HR = 1.46), M1 status at presentation (HR = 2.64), and age > 10 years (HR = 2.29) were associated with shorter OS. The treatment results in ES are significantly better in children aged ≤10 years; the challenge is to provide therapy for adolescents and young adults. The diagnostics and treatment of ES patients must be provided in referral centers.
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Affiliation(s)
- Paulina Jagodzińska-Mucha
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (H.K.-P.); (K.K.); (T.Ś.); (S.F.); (P.R.); (I.Ł.)
- Correspondence: ; Tel.: +48-225-462-031
| | - Anna Raciborska
- Department of Oncology and Surgical Oncology for Children and Youth, Mother and Child Institute, 01-211 Warsaw, Poland; (A.R.); (K.B.)
| | - Hanna Koseła-Paterczyk
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (H.K.-P.); (K.K.); (T.Ś.); (S.F.); (P.R.); (I.Ł.)
| | - Katarzyna Kozak
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (H.K.-P.); (K.K.); (T.Ś.); (S.F.); (P.R.); (I.Ł.)
| | - Katarzyna Bilska
- Department of Oncology and Surgical Oncology for Children and Youth, Mother and Child Institute, 01-211 Warsaw, Poland; (A.R.); (K.B.)
| | - Tomasz Świtaj
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (H.K.-P.); (K.K.); (T.Ś.); (S.F.); (P.R.); (I.Ł.)
| | - Sławomir Falkowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (H.K.-P.); (K.K.); (T.Ś.); (S.F.); (P.R.); (I.Ł.)
| | - Anna Dawidowska
- Early Phase Clinical Trials Unit, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland;
| | - Piotr Rutkowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (H.K.-P.); (K.K.); (T.Ś.); (S.F.); (P.R.); (I.Ł.)
| | - Iwona Ługowska
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (H.K.-P.); (K.K.); (T.Ś.); (S.F.); (P.R.); (I.Ł.)
- Department of Oncology and Surgical Oncology for Children and Youth, Mother and Child Institute, 01-211 Warsaw, Poland; (A.R.); (K.B.)
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17
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Barbanente A, Nadar RA, Esposti LD, Palazzo B, Iafisco M, van den Beucken JJJP, Leeuwenburgh SCG, Margiotta N. Platinum-loaded, selenium-doped hydroxyapatite nanoparticles selectively reduce proliferation of prostate and breast cancer cells co-cultured in the presence of stem cells. J Mater Chem B 2021; 8:2792-2804. [PMID: 32159578 DOI: 10.1039/d0tb00390e] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Chemotherapeutic treatment of patients with bone tumors or bone metastases often leads to severe side effects such as high drug toxicity, lack of tumor specificity and induced drug resistance. A novel strategy to treat early stages of bone metastases involves local co-delivery of multiple chemotherapeutic agents to synergistically improve the curative effect and overcome shortcomings of traditional chemotherapy. Herein we show that selenite-doped hydroxyapatite nanoparticles loaded with a hydroxyapatite-binding anti-tumor platinum complex (PtPP-HASe) selectively reduce proliferation of cancer cells without reducing proliferation of bone marrow stem cells. These PtPP-HASe particles were nanocrystalline with selenium (Se) and platinum (Pt) contents ranging between 0-10 and 1.5-3 wt%, respectively. Release kinetics of Se and Pt from PtPP-HASe nanoparticles resulted in a cumulative release of ∼10 and ∼66 wt% after 7 days, respectively. At a Pt/Se ratio of 8, released Pt and Se species selectively reduced cell number of human prostate (PC3) and human breast cancer cells (MDA-MB-231) by a factor of >10 with limited effects on co-cultured human bone marrow stem cells (hBMSc). These novel nanoparticles demonstrate high anti-cancer selectivity, which offers ample opportunities for the design of novel biomaterials with potent and selective chemotherapeutic efficacy against cancer cells.
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Affiliation(s)
- Alessandra Barbanente
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Via E. Orabona 4, 70125 Bari, Italy.
| | - Robin A Nadar
- Department of Dentistry - Regenerative Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Philips van Leydenlaan 25, 6525 EX Nijmegen, The Netherlands
| | - Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Barbara Palazzo
- Ghimas S.p.A., c/o Distretto Tecnologico High Tech Scarl, Campus Ecotekne, Via per Monteroni, 73100 Lecce, Italy
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Jeroen J J P van den Beucken
- Department of Dentistry - Regenerative Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Philips van Leydenlaan 25, 6525 EX Nijmegen, The Netherlands
| | - Sander C G Leeuwenburgh
- Department of Dentistry - Regenerative Biomaterials, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Philips van Leydenlaan 25, 6525 EX Nijmegen, The Netherlands and Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy
| | - Nicola Margiotta
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Via E. Orabona 4, 70125 Bari, Italy.
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18
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Prognostic Nomograms to Predict Overall Survival and Cancer-specific Survival in Sacrum/Pelvic Chondrosarcoma (SC) Patients: A Population-based Propensity Score-matched Study. Clin Spine Surg 2021; 34:E177-E185. [PMID: 33017339 DOI: 10.1097/bsd.0000000000001089] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 06/19/2020] [Indexed: 11/27/2022]
Abstract
STUDY DESIGN A longitudinal cohort study. OBJECTIVE The objective of this study was to evaluate the prognostic factors and determine the difference between different surgery scopes. Nomograms were constructed and validated to predict overall survival (OS) and cancer-specific survival (CSS) of sacrum/pelvic chondrosarcoma (SC) patients. SUMMARY OF BACKGROUND DATA Chondrosarcoma is a bone malignancy which is reported to be resistant to both chemotherapy and radiotherapy. Therefore, surgery is the most preferred treatment method. However, this remains a great challenge due to the complex anatomy of the area. MATERIALS AND METHODS Data from the Surveillance, Epidemiology, and End Results (SEER) database of patients with conventional SC between 1998 and 2016 was retrieved for analysis. Cox analysis was used to estimate the mortality hazards ratios among patients. Propensity score matching was used to compare different surgery scope. Nomograms were constructed to predict the OS and CSS of patients with SC. RESULTS A total of 377 patients were included in this study. The cutoff value for tumor size was considered to be 118 mm. The concordance indices (C-index) value for nomogram predictions of CSS were 0.871. Following propensity score matching, 158 patients were selected for the second time and its result showed no significant difference between the scope of surgery. CONCLUSIONS Tumor size was considered to be closely related to the outcome of SC. There is no significant difference in the scope of surgery and limb salvage can be considered. The nomograms can precisely predict OS and CSS in patients with SC. These could help clinicians to perform survival assessments and identify patients at high risk. LEVEL OF EVIDENCE Level IV.
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McSweeney KR, Gadanec LK, Qaradakhi T, Ali BA, Zulli A, Apostolopoulos V. Mechanisms of Cisplatin-Induced Acute Kidney Injury: Pathological Mechanisms, Pharmacological Interventions, and Genetic Mitigations. Cancers (Basel) 2021; 13:1572. [PMID: 33805488 PMCID: PMC8036620 DOI: 10.3390/cancers13071572] [Citation(s) in RCA: 146] [Impact Index Per Article: 48.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/19/2021] [Accepted: 03/25/2021] [Indexed: 02/06/2023] Open
Abstract
Administration of the chemotherapeutic agent cisplatin leads to acute kidney injury (AKI). Cisplatin-induced AKI (CIAKI) has a complex pathophysiological map, which has been linked to cellular uptake and efflux, apoptosis, vascular injury, oxidative and endoplasmic reticulum stress, and inflammation. Despite research efforts, pharmaceutical interventions, and clinical trials spanning over several decades, a consistent and stable pharmacological treatment option to reduce AKI in patients receiving cisplatin remains unavailable. This has been predominately linked to the incomplete understanding of CIAKI pathophysiology and molecular mechanisms involved. Herein, we detail the extensively known pathophysiology of cisplatin-induced nephrotoxicity that manifests and the variety of pharmacological and genetic alteration studies that target them.
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20
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To YH, Orme L, Lewin J. The Role of Systemic Therapies in the Management of Bone Sarcoma. Sarcoma 2021. [DOI: 10.1007/978-981-15-9414-4_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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21
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Continuous 14 Day Infusional Ifosfamide for Management of Soft-Tissue and Bone Sarcoma: A Single Centre Retrospective Cohort Analysis. Cancers (Basel) 2020; 12:cancers12113408. [PMID: 33212978 PMCID: PMC7698576 DOI: 10.3390/cancers12113408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/08/2020] [Accepted: 11/11/2020] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Ifosfamide is commonly used to treat patients with soft-tissue and bone sarcoma, with greater efficacy observed with higher doses that generally require inpatient treatment and may result in significant myelosuppression and renal toxicity. In the palliative setting, continuous infusional ifosfamide (14 g/m2/14 days) is increasingly employed in an attempt to mitigate toxicity, and for ease of administration as an outpatient regimen. This study describes the efficacy and toxicity profile of 14-day continuous infusional ifosfamide in adult and teenage young adult (TYA) patients with relapsed or metastatic soft-tissue and bone sarcoma. Abstract Ifosfamide is used to treat soft-tissue sarcoma (STS) and bone sarcoma (BS), with improved efficacy at doses above 9 g/m2/cycle. To mitigate treatment-associated toxicity with higher doses, continuous infusional ifosfamide is increasingly used. However, clinical outcome data remain limited. Single-centre retrospective analysis of patients treated with four-weekly infusional ifosfamide (14 g/m2/14d) between August 2012 and February 2019 was conducted. Radiological response, progression-free survival (PFS), overall survival (OS) and toxicity were evaluated. Eighty patients were treated—46 with STS and 34 with BS. Patients received a median of three cycles of infusional ifosfamide (1–24). Overall disease control rate (DCR) in STS was 50% (23 of 46 patients), with a median PFS of 3.8 months, and median OS of 13.0 months. In synovial sarcoma (SS), DCR was 80% (12/15), median PFS 8.1 months and median OS 20.9 months. Overall DCR in BS (34 patients) was 30%, with a median PFS of 2.5 months and median OS of 6.2 months. Five patients (6%) stopped treatment due to toxicity alone within the first two cycles. A further 10 patients stopped treatment due to toxicity during later treatment cycles (12%) and 18 patients (23%) required dose modification. Forty-five patients (56%) experienced grade (G) 3/4 haematological toxicity, with 12 episodes of febrile neutropenia and one treatment-related death. Twenty-seven patients (34%) experienced G3/4 non-haematological toxicity, most commonly nausea and vomiting (10, 13%). In summary, infusional ifosfamide has efficacy in STS, most notable in SS. Benefit appears limited in BS. Treatment is associated with toxicity that requires specialist supportive care.
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22
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Grosch M, Ittermann S, Rusha E, Greisle T, Ori C, Truong DJJ, O'Neill AC, Pertek A, Westmeyer GG, Drukker M. Nucleus size and DNA accessibility are linked to the regulation of paraspeckle formation in cellular differentiation. BMC Biol 2020; 18:42. [PMID: 32321486 PMCID: PMC7178590 DOI: 10.1186/s12915-020-00770-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 03/16/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Many long noncoding RNAs (lncRNAs) have been implicated in general and cell type-specific molecular regulation. Here, we asked what underlies the fundamental basis for the seemingly random appearance of nuclear lncRNA condensates in cells, and we sought compounds that can promote the disintegration of lncRNA condensates in vivo. RESULTS As a basis for comparing lncRNAs and cellular properties among different cell types, we screened lncRNAs in human pluripotent stem cells (hPSCs) that were differentiated to an atlas of cell lineages. We found that paraspeckles, which form by aggregation of the lncRNA NEAT1, are scaled by the size of the nucleus, and that small DNA-binding molecules promote the disintegration of paraspeckles and other lncRNA condensates. Furthermore, we found that paraspeckles regulate the differentiation of hPSCs. CONCLUSIONS Positive correlation between the size of the nucleus and the number of paraspeckles exist in numerous types of human cells. The tethering and structure of paraspeckles, as well as other lncRNAs, to the genome can be disrupted by small molecules that intercalate in DNA. The structure-function relationship of lncRNAs that regulates stem cell differentiation is likely to be determined by the dynamics of nucleus size and binding site accessibility.
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Affiliation(s)
- Markus Grosch
- Institute of Stem Cell Research (ISF), Helmholtz Zentrum München, Neuherberg, Germany
| | - Sebastian Ittermann
- Institute of Stem Cell Research (ISF), Helmholtz Zentrum München, Neuherberg, Germany
| | - Ejona Rusha
- Institute of Stem Cell Research (ISF), iPSC Core Facility, Helmholtz Zentrum München, Neuherberg, Germany
| | - Tobias Greisle
- Institute of Stem Cell Research (ISF), Helmholtz Zentrum München, Neuherberg, Germany
| | - Chaido Ori
- Institute of Stem Cell Research (ISF), Helmholtz Zentrum München, Neuherberg, Germany.,Comprehensive Pneumology Center (CPC), Helmholtz Zentrum München, Member of the German Center for Lung Research (DZL), Munich, Germany
| | | | - Adam C O'Neill
- Institute of Stem Cell Research (ISF), Helmholtz Zentrum München, Neuherberg, Germany
| | - Anna Pertek
- Institute of Stem Cell Research (ISF), iPSC Core Facility, Helmholtz Zentrum München, Neuherberg, Germany
| | - Gil Gregor Westmeyer
- Institute of Biological and Medical Imaging (IBMI), Helmholtz Zentrum München, Neuherberg, Germany
| | - Micha Drukker
- Institute of Stem Cell Research (ISF), Helmholtz Zentrum München, Neuherberg, Germany. .,Institute of Stem Cell Research (ISF), iPSC Core Facility, Helmholtz Zentrum München, Neuherberg, Germany.
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Edem I, DeMonte F, Raza SM. Advances in the management of primary bone sarcomas of the skull base. J Neurooncol 2020; 150:393-403. [PMID: 32306199 DOI: 10.1007/s11060-020-03497-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 04/10/2020] [Indexed: 10/24/2022]
Abstract
Skull base primary malignancies represent a heterogeneous group of histologic diagnoses and sarcomas of the skull base are specific malignant tumors that arise from mesenchymal cells and can be classified by site of origin into bony and soft tissue sarcomas. The most common bony sarcomas include: chondrosarcoma, osteosarcoma, chordoma, Ewing's sarcoma. Given the relative rarity of each histologic diagnosis, especially in the skull base, there is limited published data to guide the management of patients with skull base sarcomas. An electronic search of the literature was performed to obtain key publications in the management of bony sarcomas of the skull base published within the last decade. This article is thus a review of the multi-disciplinary management principles of primary bony sarcomas of the skull base. Of note, there have been several recent advancements in the realm of skull base sarcoma management that have resulted in improved survival. These include advances in: imaging and diagnostic techniques, surgical techniques that incorporate oncologic surgical principles, conformal radiation paradigms and targeted systemic therapies. Early access to coordinated multi-disciplinary subspecialty care immediately at suspicion of diagnosis has further improved outcomes. There are several ongoing trials in the realms of radiation therapy and systemic therapy that will hopefully provide further insight about the optimal management of bony sarcomas of the skull base.
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Affiliation(s)
- Idara Edem
- Departments of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Franco DeMonte
- Departments of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Shaan M Raza
- Departments of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA. .,Departments of Neurosurgery, The University of Texas MD Anderson Cancer Center, 1400 Holcombe Blvd, Rm FC7.2000, Unit 442, Houston, TX, 77030, USA.
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Hypoxia-Inducible Factor 1A Upregulates HMGN5 by Increasing the Expression of GATA1 and Plays a Role in Osteosarcoma Metastasis. BIOMED RESEARCH INTERNATIONAL 2019; 2019:5630124. [PMID: 31930127 PMCID: PMC6942741 DOI: 10.1155/2019/5630124] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 11/10/2019] [Indexed: 11/17/2022]
Abstract
Osteosarcoma is one of the most common malignant tumors in children and adolescents and is characterized by early metastasis. High-mobility group N (HMGN) domains are involved in the development of several tumors. Our previous study found that HMGN5 is highly expressed in osteosarcoma tissues and knockdown of HMGN5 inhibits migration and invasion of U-2 OS and Saos-2 cells. A hypoxic environment is commonly found in solid tumors such as osteosarcoma and is likely to be associated with tumor metastasis, so we further explored the relationship between HMGN5 and the hypoxic environment. Hypoxia-inducible factor 1A (HIF1A) is an adaptive factor in the hypoxic environment. We found that HIF1A and HMGN5 were upregulated in osteosarcoma (OS) cells cultured in the hypoxic environment, and the results of overexpression and knockdown experiments showed that HIF1A upregulated the transcription factor GATA1 and further promoted the expression of HMGN5. In addition, MMP2 and MMP9 were subsequently upregulated through the c-jun pathway, and finally, this promoted the migration and invasion of OS cells. It is suggested that HMGN5 may be an important downstream factor for HIF1A to promote osteosarcoma metastasis. It has an important clinical significance for the selection of therapeutic targets for osteosarcoma.
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Zhang J, Huang Y, Sun Y, He A, Zhou Y, Hu H, Yao Y, Shen Z. Impact of chemotherapy cycles and intervals on outcomes of nonspinal Ewing sarcoma in adults: a real-world experience. BMC Cancer 2019; 19:1168. [PMID: 31791278 PMCID: PMC6889215 DOI: 10.1186/s12885-019-6407-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Accepted: 11/27/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Adult Ewing sarcoma (ES) is a rare disease, the optimal treatment model is unknown. This study aimed to retrospectively analyze treatment-related prognostic factors of nonspinal ES in Chinese adults. METHODS Eighty-one patients treated between January 2005 and December 2017 were included in the present study. Thirty-three (40.7%) presented with metastatic disease at diagnosis. Eight patients were submitted to primary surgery followed by chemotherapy, while 73 patients received chemotherapy before and after surgery and/or local radiotherapy. The chemotherapy regimen included 8-17 cycles of vincristine, doxorubicin, and cyclophosphamide (VDC) alternating with ifosfamide and etoposide (IE) every 3 weeks. Clinical outcomes and safety were analyzed. RESULTS VDC/IE chemotherapy was well tolerated in adult patients with ES. Multivariate Cox regression analyses revealed that chemotherapy of at least 12 cycles was a favorable independent prognostic factor of event-free survival (hazard ratio, 0.558; 95% confidence interval, 0.323-0.965; P = 0.037) and overall survival (hazard ratio, 0.424; 95% confidence interval, 0.240-0.748; P = 0.003). Similarly, a low frequency of chemotherapy delays was an independent prognostic factor of improved OS (hazard ratio, 0.438; 95% confidence interval, 0.217-0.887; P = 0.022). CONCLUSION Our study suggests that adults with ES should be treated with an aggressive multidisciplinary approach, intensive chemotherapy with adequate cycles and appropriate intervals can be recommended in this group.
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Affiliation(s)
- Jianjun Zhang
- Department of Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Rd, Shanghai, 200233, China.
| | - Yujing Huang
- Department of Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Rd, Shanghai, 200233, China
| | - Yuanjue Sun
- Department of Medical Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital South Campus, 6600 Nanfeng Rd, Shanghai, 201499, China
| | - Aina He
- Department of Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Rd, Shanghai, 200233, China
| | - Yan Zhou
- Department of Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Rd, Shanghai, 200233, China
| | - Haiyan Hu
- Department of Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Rd, Shanghai, 200233, China
| | - Yang Yao
- Department of Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Rd, Shanghai, 200233, China
| | - Zan Shen
- Department of Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Rd, Shanghai, 200233, China.
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Moussalem CK, Massaad E, Baassiri W, Akhtar Anwar M, Kobeissy F, Eid A, Darwiche N, Omeis I. Spinal sarcomas and immunity: An undervalued relationship. Semin Cancer Biol 2019; 64:36-50. [PMID: 31254615 DOI: 10.1016/j.semcancer.2019.06.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 06/11/2019] [Accepted: 06/13/2019] [Indexed: 11/17/2022]
Abstract
Sarcomas, especially spine sarcomas, are rare yet debilitating and are underestimated types of cancer. Treatment options for spine sarcomas are limited to chemotherapy, radiotherapy and surgical intervention. Accumulating evidence suggests a complex course associated with the treatment of spine sarcomas as compared to other soft tissue sarcomas in the extremities since adjuvant therapy adds limited success to the oncological outcome. Likewise, the limitations of surgical interventions imposed by the proximity and high sensitivity of the spinal cord, leads to an increased recurrence and mortality rates associated with spine sarcomas. Finding novel treatment options to spine sarcomas as such is inevitable, necessitating a more thorough understanding of the different mechanisms of the underlying etiologies of these tumors. In this review, we discuss the most recent studies tackling the involvement of the immune system; a key player in the emergence of the different types of spine sarcomas and the promising immune-mediated targeted therapy that can be applied in these kind of rare cancers.
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Affiliation(s)
- Charbel K Moussalem
- Division of Neurosurgery, Department of Surgery, American University of Beirut Medical Center, Lebanon
| | - Elie Massaad
- Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Wassim Baassiri
- Division of Neurosurgery, Department of Surgery, American University of Beirut Medical Center, Lebanon
| | - M Akhtar Anwar
- Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Lebanon
| | - Firas Kobeissy
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Lebanon
| | - Ali Eid
- Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Lebanon
| | - Nadine Darwiche
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Lebanon
| | - Ibrahim Omeis
- Division of Neurosurgery, Department of Surgery, American University of Beirut Medical Center, Lebanon.
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68Ga-Galmydar: A PET imaging tracer for noninvasive detection of Doxorubicin-induced cardiotoxicity. PLoS One 2019; 14:e0215579. [PMID: 31120912 PMCID: PMC6532866 DOI: 10.1371/journal.pone.0215579] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 04/05/2019] [Indexed: 12/18/2022] Open
Abstract
Background Cancer patients undergoing Doxorubicin (DOX) treatment are susceptible to acute and chronic cardiac anomalies, including aberrant arrhythmias, ventricular dysfunction, and heart failure. To stratify patients at high risk for DOX -related heart failure (CHF), diagnostic techniques have been sought. While echocardiography is used for monitoring LVEF and LV volumes due to its wide-availability and cost-efficiency, it may not identify early stages of the initiation of DOX-induced systolic heart failure. To address these limitations, PET tracers could also provide noninvasive assessment of early and reversible metabolic changes of the myocardium. Objective Herein, we report a preliminary investigation of 68Ga-Galmydar potential to monitor Dox-induced cardiomyopathy in vivo, ex vivo, and in cellulo employing both nuclear- and optical imaging. Methods and results To assess 68Ga-Galmydar ability for monitoring DOX-induced cardiomyopathy, microPET imaging was performed 5 d post treatment of rats either with a single dose of DOX (15 mg/kg) or vehicle as a control (saline) and images were co-registered for anatomical reference using CT. Following tail-vein injection of the radiotracer in rats at 60 min, micro-PET/CT static scan (10 min acquisition), 68Ga-Galmydar demonstrated 1.91-fold lower uptake in hearts of DOX-treated (standard uptake value; SUV: 0.92, n = 3) rats compared with their vehicle treated (SUV: 1.76, n = 3) control counterparts. For correlation of PET imaging data, post-imaging quantitative biodistribution studies were also performed, wherein excised organs were counted for γ activity, and normalized to injected dose. The post imaging pharmacokinetic data also demonstrated heart uptake values of 2.0 fold lower for DOX treated rats(%ID/g; DOX: 0.44 ± 0.1, n = 3) compared to their vehicle-treated controls (%ID/g; Control: 0.89 ± 0.03, n = 3, p = 0.04). Employing the fluorescent traits of Galmydar, live cell fluorescence imaging indicated a gradual decrease in uptake and retention of Galmydar within mitochondria of H9c2 cells following DOX-treatment, while indicating dose-dependent and time-dependent uptake profiles. Following depolarization of electronegative transmembrane gradients at the mitochondrial membrane, the uptake of the probe was decreased in H9c2 cells, and the uptake profiles were found to be identical, using both fluorescence and radiotracer bioassays. Finally, the decreased uptake of the metalloprobe in H9c2 cells also correlated with caspase-3 expression resulting from DOX-induced cardiotoxicity and cell death. Conclusions 68Ga-Galmydar could provide a noninvasive assessment of DOX-related and likely reversible metabolic changes at earliest stages. Further studies with other chemotherapeutics (potentially capable of inducing cardiomyopathy) are underway.
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Jiang B, Yan LJ, Wu Q. ABCB1 (C1236T) Polymorphism Affects P-Glycoprotein-Mediated Transport of Methotrexate, Doxorubicin, Actinomycin D, and Etoposide. DNA Cell Biol 2019; 38:485-490. [PMID: 30977678 DOI: 10.1089/dna.2018.4583] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
P-glycoprotein (P-gp), encoded by the ABCB1 (ATP-binding cassette transporter superfamily B member 1) gene, is a transport protein involved in the efflux and distribution of the osteosarcoma drugs methotrexate, doxorubicin, actinomycin D, and etoposide. In vivo studies indicate a close relationship between the ABCB1 (C1236T) single-nucleotide polymorphism (SNP) and the efficacy of these drugs. The purpose of this research was to elucidate the effect of ABCB1 (C1236T) polymorphism on P-gp-mediated efflux of osteosarcoma drugs. Two stable recombinant Caco-2 cell lines were generated by transfection with either the wild-type ABCB11236C allele or the ABCB11236T variant allele. The two cell lines were compared in terms of drug resistance, intracellular accumulation, and efflux of methotrexate, doxorubicin, actinomycin D, and etoposide. Accumulation of methotrexate, doxorubicin, actinomycin D, and etoposide was significantly lower in cells overexpressing wild-type P-gp than in untransfected control cells, indicating that these drugs are substrates of P-gp. Actinomycin D accumulated to similar extents in cells overexpressing wild-type or variant P-gp. Methotrexate and etoposide were transported to a greater extent by variant P-gp than wild-type protein. Conversely, doxorubicin was transported to a greater extent by wild-type P-gp. The ABCB1 (C1236T) polymorphism affects P-gp-mediated transport of osteosarcoma drugs in a drug-specific way. These studies support the importance of the ABCB1 (C1236T) SNP for P-gp activity and its potential to explain the alterations in drug response.
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Affiliation(s)
- Bo Jiang
- 1 Department of Orthopedics and Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Li-Jun Yan
- 1 Department of Orthopedics and Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Qian Wu
- 2 Department of Pharmacy, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
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Xiong J, Zhao G, Yang S, Chen J. Efficacy, Tolerability and Pharmacokinetic Impact of Aprepitant in Sarcoma Patients Receiving Ifosfamide and Doxorubicin Chemotherapy: A Randomized Controlled Trial. Adv Ther 2019; 36:355-364. [PMID: 30607545 DOI: 10.1007/s12325-018-0862-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Aprepitant, a selective neurokinin-1 receptor antagonist approved for prevention of chemotherapy-induced nausea and vomiting (CINV), is an inhibitor of the cytochrome P450 3A4 (CYP3A4) enzyme, which is involved in the clearance of several chemotherapeutic agents. Here we evaluated the efficacy and toxicity of a combination of aprepitant, palonosetron, and dexamethasone as antiemetic prophylaxis in sarcoma patients receiving ifosfamide and doxorubicin chemotherapy, and examined the potential of aprepitant to affect the pharmacokinetics of ifosfamide, which is primarily metabolized by CYP3A4. METHODS A total of 108 sarcoma patients were randomly assigned to either the aprepitant group (antiemetic regimen: aprepitant, palonosetron, and dexamethasone) or the control group (antiemetic regimen: palonosetron and dexamethasone). Data on nausea, vomiting, and use of rescue medication were collected, and the primary efficacy end point was the proportion of patients with complete response (CR), defined as no vomiting and no use of rescue therapy during 120 h after initiation of chemotherapy. Tolerability was evaluated on the basis of reported adverse events and laboratory assessments. Blood samples for ifosfamide pharmacokinetic analysis were collected in ten patients. RESULTS The percentage of patients achieving CR was significantly higher in the aprepitant group compared with that in the control group in the acute, delay, and overall phase (78.4% vs. 59.3%, 74.5% vs. 48.1%, and 68.6% vs. 37.0%, p < 0.05, respectively). No significant differences of adverse events or hematological toxicity were detected between the two groups. Concomitant administration of aprepitant did not cause any statistically significant changes in ifosfamide pharmacokinetics. Values for aprepitant group vs. control group were as follows: geometric mean of Cmax was 119 vs. 120 ng/mL, AUC0-last was 648 vs. 635 ng h/mL, AUC0-inf was 681 vs. 668 ng h/mL, plasma clearance was 4.40 vs. 4.49 (L/h/m2), respectively; harmonic means of t1/2 was 2.11 vs. 2.25 h. CONCLUSIONS This study showed that aprepitant in combination with palonosetron and dexamethasone was safe and effectively controlled CINV in sarcoma patients receiving ifosfamide and doxorubicin chemotherapy. Aprepitant may have a low potential to affect the pharmacokinetics of chemotherapeutic agents metabolized by CYP3A4.
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Affiliation(s)
- Jie Xiong
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Guifang Zhao
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Shengli Yang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jing Chen
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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Wagner MJ, Ricciotti RW, Mantilla J, Loggers ET, Pollack SM, Cranmer LD. Response to PD1 inhibition in conventional chondrosarcoma. J Immunother Cancer 2018; 6:94. [PMID: 30253794 PMCID: PMC6156853 DOI: 10.1186/s40425-018-0413-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Accepted: 09/18/2018] [Indexed: 12/31/2022] Open
Abstract
Background Chondrosarcoma is one of the most common malignant bone tumors in adults. Conventional chondrosarcoma represents around 85% of all chondrosarcomas and is notoriously difficult to treat with chemotherapy. Case presentation We describe a 67-year-old man with metastatic conventional chondrosarcoma who was treated with nivolumab. Treatment was discontinued after restaging showed increased tumor burden, which later proved to be pseudoprogression. The patient restarted nivolumab and continues to have a near complete response. Conclusion Conventional chondrosarcoma may be sensitive to checkpoint inhibitors. Further, this case demonstrates clearly the phenomenon of pseudo-progression in this disease, a factor that must be considered in the design of clinical trials and clinical care. This case supports additional study of immunomodulatory agents in this deadly disease.
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Affiliation(s)
- Michael J Wagner
- Division of Medical Oncology, University of Washington School of Medicine, 825 Eastlake Avenue E, Seattle, WA, 98109, USA. .,Clinical Research Division, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA.
| | - Robert W Ricciotti
- Department of Pathology, University of Washington School of Medicine, 1959 NE Pacific St, Seattle, WA, 98195, USA
| | - Jose Mantilla
- Department of Pathology, University of Washington School of Medicine, 1959 NE Pacific St, Seattle, WA, 98195, USA
| | - Elizabeth T Loggers
- Division of Medical Oncology, University of Washington School of Medicine, 825 Eastlake Avenue E, Seattle, WA, 98109, USA.,Clinical Research Division, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Seth M Pollack
- Division of Medical Oncology, University of Washington School of Medicine, 825 Eastlake Avenue E, Seattle, WA, 98109, USA.,Clinical Research Division, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA
| | - Lee D Cranmer
- Division of Medical Oncology, University of Washington School of Medicine, 825 Eastlake Avenue E, Seattle, WA, 98109, USA. .,Clinical Research Division, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, Seattle, WA, 98109, USA.
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Kumar R, Kumar M, Malhotra K, Patel S. Primary Osteosarcoma in the Elderly Revisited: Current Concepts in Diagnosis and Treatment. Curr Oncol Rep 2018; 20:13. [PMID: 29492676 DOI: 10.1007/s11912-018-0658-1] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
PURPOSE OF REVIEW Osteosarcoma is mostly seen in bones of children and young adults. When it occurs in older persons, the tumor is considered secondary usually complicating Paget disease or irradiated bone. However, there is a second incidence peak of primary osteosarcoma later in life when these tumors occur de novo. This article describes the clinical, imaging, and treatment of POS in older patients, including demographic data of patients from our institution. FINDINGS We present our experience with 920 cases of osteosarcoma that were seen between 1984 and 2003 at the University of Texas MD Anderson Cancer Center in Houston, TX, USA. Among the 868 primary osteosarcoma of bones, there were 100 (11.52%), which comprised 69% of the tumors in patients over the age of 50 years. Older patients with primary osteosarcoma tend to have relatively more common axial skeleton involvement, have more distant disease, and are difficult to treat because of concomitant comorbidities. Despite that, most adult patients treated with chemotherapy have shown good results with longer disease-free survival. A lytic bone lesion seen in radiographs of elderly patients should include primary osteosarcoma among differential diagnoses. Radical surgery and chemotherapy seem to ensure long-term disease-free survival in most cases. The elderly patients with POS in pelvis, spine, and upper extremities and those with distant disease (metastases) have worse prognosis.
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Affiliation(s)
- Rajendra Kumar
- Department of Diagnostic Imaging, UT MD Anderson Cancer Center, 1515 Holcombe Blvd., Unit 1475, Houston, TX, 77030, USA.
| | - Meena Kumar
- Department of Diagnostic Imaging, Section of Nuclear Medicine, Veterans Administration Hospital, 1660 S. Columbian Way, Seattle, WA, 98108, USA
| | - Kavin Malhotra
- Victoria Radiology Associates, 2701 Hospital Drive, Victoria, TX, 77901, USA
| | - Shreyaskumar Patel
- Victoria Radiology Associates, 2701 Hospital Drive, Victoria, TX, 77901, USA
- Department of Sarcoma Medical Oncology, UT MD Anderson Cancer Center, 1400 - Holcombe Blvd., Unit # 450, Houston, TX, 77030, USA
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Shi H, Chen W, Dong Y, Lu X, Zhang W, Wang L. BAG3 promotes chondrosarcoma progression by upregulating the expression of β-catenin. Mol Med Rep 2018; 17:5754-5763. [PMID: 29484408 PMCID: PMC5866018 DOI: 10.3892/mmr.2018.8611] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 02/01/2018] [Indexed: 12/26/2022] Open
Abstract
To investigate the roles of B-cell lymphoma-2 associated athanogene 3 (BAG3) in human chondrosarcoma and the potential mechanisms, the expression levels of BAG3 were detected in the present study, and the associations between BAG3 and clinical pathological parameters, clinical stage as well as the survival of patients were analyzed. The present study detected BAG3 mRNA and protein expression in the normal cartilage cell line HC-a and in SW1353 chondrosarcoma cells by reverse transcription-quantitative polymerase chain reaction and western blot analysis. The BAG3 protein expression in 59 cases of chondrosarcoma, 30 patients with endogenous chondroma and 8 cases of normal cartilage was semi-quantitatively analyzed using the immunohistochemical method. In addition, the BAG3 protein expression level, the clinical pathological parameters, clinical stage and the survival time of patients with chondrosarcoma were analyzed. The plasmid transfection method was employed to upregulate the expression BAG3 and small RNA interference to downregulate the expression of BAG3 in SW1353 cells. The expression levels of BAG3 protein and mRNA were significantly increased in the chondrosarcoma cell line when compared with the normal cartilage cell line. The immunohistochemistry results indicated that BAG3 protein was overexpressed in the tissue of human chondrosarcoma. Statistical analysis showed that the expression level of BAG3 was significantly increased in the different Enneking staging of patients with chondrosarcoma and Tumor staging, and there were no statistical differences in age, gender, histological classification and tumor size. In the in vitro experiments, the data revealed that BAG3 significantly promoted chondrosarcoma cell proliferation, colony-formation, migration and invasion; however, it inhibited chondrosarcoma cell apoptosis. It was observed that BAG3 upregulated β-catenin expression at the mRNA and protein levels. In addition, BAG3 induced the expression of runt-related transcription factor 2 (RUNX2) in chondrosarcoma cells by upregulating β-catenin. These clinical analyses revealed a positive association between β-catenin and BAG3 in chondrosarcoma tumors. BAG3 was significantly increased in chondrosarcoma cells and tissues compared with the normal cartilage cells, tissue and cartilage benign tumors. Thus, BAG3 may serve as an oncogene in the development of chondrosarcoma via the induction of RUNX2 expression. The results of the present study contribute to further research on the biological development of chondrosarcoma.
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Affiliation(s)
- Huijuan Shi
- Department of Pathology, The First Affiliated Hospital of Sun Yat‑Sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Wenfang Chen
- Department of Pathology, The First Affiliated Hospital of Sun Yat‑Sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Yu Dong
- Department of Pathology, The First Affiliated Hospital of Sun Yat‑Sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Xiaofang Lu
- Department of Pathology, The First Affiliated Hospital of Sun Yat‑Sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Wenhui Zhang
- Department of Pathology, The First Affiliated Hospital of Sun Yat‑Sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Liantang Wang
- Department of Pathology, The First Affiliated Hospital of Sun Yat‑Sen University, Guangzhou, Guangdong 510080, P.R. China
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Mercatelli D, Bortolotti M, Bazzocchi A, Bolognesi A, Polito L. Immunoconjugates for Osteosarcoma Therapy: Preclinical Experiences and Future Perspectives. Biomedicines 2018; 6:E19. [PMID: 29439419 PMCID: PMC5874676 DOI: 10.3390/biomedicines6010019] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 01/30/2018] [Accepted: 02/04/2018] [Indexed: 01/08/2023] Open
Abstract
Osteosarcoma (OS) is an aggressive osteoid-producing tumor of mesenchymal origin, which represents the most common primary bone malignancy. It is characterized by a complex and frequently uncertain etiology. The current standard care for high-grade OS treatment is neoadjuvant chemotherapy, followed by surgery and post-operative chemotherapy. In order to ameliorate survival rates of patients, new therapeutic approaches have been evaluated, mainly immunotherapy with antibody-drug conjugates or immunoconjugates. These molecules consist of a carrier (frequently an antibody) joined by a linker to a toxic moiety (drug, radionuclide, or toxin). Although several clinical trials with immunoconjugates have been conducted, mainly in hematological tumors, their potential as therapeutic agents is relatively under-explored in many types of cancer. In this review, we report the immunoconjugates directed against OS surface antigens, considering the in vitro and in vivo studies. To date, several attempts have been made in preclinical settings, reporting encouraging results and demonstrating the validity of the idea. The clinical experience with glembatumumab vedotin may provide new insights into the real efficacy of antibody-drug conjugates for OS therapy, possibly giving more information about patient selection. Moreover, new opportunities could arise from the ongoing clinical trials in OS patients with unconjugated antibodies that could represent future candidates as carrier moieties of immunoconjugates.
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Affiliation(s)
- Daniele Mercatelli
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
- Department of Diagnostic and Interventional Radiology, The "Rizzoli" Orthopaedic Institute, Via G. C. Pupilli 1, 40136 Bologna, Italy.
| | - Massimo Bortolotti
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
| | - Alberto Bazzocchi
- Department of Diagnostic and Interventional Radiology, The "Rizzoli" Orthopaedic Institute, Via G. C. Pupilli 1, 40136 Bologna, Italy.
| | - Andrea Bolognesi
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
| | - Letizia Polito
- Department of Experimental, Diagnostic and Specialty Medicine-DIMES, Alma Mater Studiorum, University of Bologna, Via San Giacomo 14, 40126 Bologna, Italy.
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Conry RM, Rodriguez MG, Pressey JG. Zoledronic acid in metastatic osteosarcoma: encouraging progression free survival in four consecutive patients. Clin Sarcoma Res 2016; 6:6. [PMID: 27127605 PMCID: PMC4848872 DOI: 10.1186/s13569-016-0046-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2016] [Accepted: 03/29/2016] [Indexed: 12/29/2022] Open
Abstract
Background Zoledronic acid (ZA) is a third-generation bisphosphonate in widespread clinical use to reduce pain and skeletal events in patients from a variety of malignancies with bone metastases. Pre-clinical studies indicate that ZA inhibits osteosarcoma through direct anti-proliferative effects, immune activation and anti-angiogenic activity. Methods The purpose of this study was to evaluate the antitumor efficacy of ZA at standard dose until progression in patients with stage IV osteosarcoma lacking a standard of care treatment option proven to influence survival. Researchers retrospectively reviewed medical records of all patients at our institution with high-grade osteosarcoma presumed to be incurable due to metastases progressive after primary combination chemotherapy who received single agent ZA in an effort to delay progression. Results In our four-patient cohort following initiation of ZA, the median progression-free survival was 19 months, and median overall survival was 56+ months. Two of four patients have remained progression-free since starting ZA. The other two initially progressed after 18–20 months on ZA followed by metastasectomy of lung or dural metastases and further stability for over a year following resumption of ZA. After a 20-month progression-free interval on ZA alone, one patient had partial response following addition of pazopanib to ZA that likely contributed to long term disease control. The four patients experienced no significant toxicities despite protracted dosing of ZA for up to 5 years, and none have required chemotherapy since beginning ZA. Conclusions Single agent ZA was associated with encouraging progression-free survival in four consecutive patients with metastatic osteosarcoma. Prospective trials of single agent ZA are warranted as protracted maintenance therapy in surgically incurable osteosarcoma relapsed or refractory to first line combination chemotherapy with radiographically measurable metastases.
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Affiliation(s)
- Robert M Conry
- Division of Hematology Oncology, University of Alabama at Birmingham, 2145 Bonner Way, Birmingham, AL 35243 USA
| | - Michael G Rodriguez
- Department of Radiology, University of Alabama at Birmingham, 619 19th St South, Birmingham, AL 35249 USA
| | - Joseph G Pressey
- Department of Pediatrics, University of Alabama at Birmingham, 1600 7th Avenue South, Birmingham, AL 35233 USA ; Cancer & Blood Disorders Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH USA
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Chow WA. Bones: The Adult Sarcoma Drama. J Oncol Pract 2016; 12:219-20. [DOI: 10.1200/jop.2015.010223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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