Osteosarcoma Patient-derived Orthotopic Xenograft (PDOX) Models Used to Identify Novel and Effective Therapeutics: A Review
Open accessAbstract
BACKGROUND/AIM: Recurrent osteosarcoma is recalcitrant with poor response rates to first-line chemotherapy due to heterogeneity and metastatic potential. This disease requires novel drug discovery and precision treatment. MATERIALS AND METHODS: The osteosarcoma patient-derived orthotopic xenograft (PDOX) mouse model mimics the clinical disease and has identified effective clinically-approved drugs and experimental agents, especially drug combinations, that hold much clinical promise. RESULTS: Effective treatment for drug-resistant osteosarcoma includes regorafenib, as monotherapy, and temozolomide-irinotecan, trabectedin-irinotecan, sorafenib-everolimus, sorafenib-palbociclib, and olaratumab-doxorubicin-cisplatinum, as combinations. CONCLUSION: The PDOX model can be used to improve the outcome of osteosarcoma patients, including individualized, precision therapy.
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Large libraries of PDX models of osteosarcoma have been developed.
“To assist this approach, large libraries of PDX models of osteosarcoma have been developed 181,182 .”
From Osteosarcoma (2022) · cites this paper as [182]
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- Authors
- HIGUCHI, T., IGARASHI, K., YAMAMOTO, N., HAYASHI, K., KIMURA, H., MIWA, S., BOUVET, M., TSUCHIYA, H., & HOFFMAN, R. M.
- Affiliations
- Kanazawa University (JP)
- University of California San Diego (US)
- ORCID
- Venue
- Anticancer Research
- Published
- 2021-11-30
- Volume
- 41
- Issue
- 12
- Pages
- 5865-5871
- ISSN
- 0250-7005 (ISSN-L)
- 1791-7530
- OpenAlex
- W3215268933
- Cited by
- 25
- References
- 40
- Citations by year
- 2026: 4 · 2025: 2 · 2024: 4 · 2023: 6 · 2022: 8 · 2021: 1
- FWCI
- 0.76
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Anticancer Research (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Japan Society for the Promotion of Science (19K09571, 21K09198)
- Topics
- Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Sarcoma Diagnosis and Treatment
- Health Sciences › Medicine › Rheumatology › Bone Tumor Diagnosis and Treatments
- Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
- Keywords
- osteosarcoma, patient-derived orthotopic xenograft, drug discovery, drug resistance, precision therapy, regorafenib, combination therapy, recurrent osteosarcoma
- MeSH terms
- Animals, Antineoplastic Agents, Bone Neoplasms, Disease Models, Animal, Disease Susceptibility, Drug Screening Assays, Antitumor, Humans, Osteosarcoma, Biomarkers, Tumor, Drug Resistance, Neoplasm, Xenograft Model Antitumor Assays, Mice, Drug Discovery, Precision Medicine, Molecular Targeted Therapy
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