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Bone-Targeted Dual Functional Lipid-coated Drug Delivery System for Osteosarcoma Therapy. Pharm Res 2023; 40:231-243. [PMID: 36380167 PMCID: PMC9666974 DOI: 10.1007/s11095-022-03430-8] [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: 04/14/2022] [Accepted: 10/29/2022] [Indexed: 11/16/2022]
Abstract
PURPOSE OR OBJECTIVE Osteosarcoma is well-known for its high incidence in children and adolescents and long-term bone pain, which seriously reduces the life quality of patients. Cisplatin (CDDP), as the first-line anti-osteosarcoma drug, has been used in many anticancer treatments. At the same time, the serious side effects of platinum (Pt) drugs have also attracted widespread attention. To accurately deliver Pt drugs to the lesion site and realize controlled release of Pt drugs, certain modified delivery systems have been extensively studied. METHODS Among them, liposomes have been approved for clinical cancer treatment due to their highly biocompatibility and superior modifiability. Here, we developed a bone-targeted dual functional lipid-coated drug delivery system, lipid-coated CDDP alendronate nanoparticles (LCA NPs) to target the bone and precisely deliver the drugs to the tumor site. Cell toxicity, apoptosis and cellular uptake were detected to evaluate the anticancer effect for LCA NPs. Furthermore, transwell assay and wound healing assay were conducted to estimate the osteosarcoma cell migration and invasion. Hemolysis assay was utilized to assess the biocapitibility of the kind of NPs. RESULTS With the aim of bone-targeted unit alendronate (ALD), LCA NPs serve as a rich bone homing Pt delivery system to exert efficient anticancer effects and synergistically reduce bone resorption and bone loss potentially. CONCLUSIONS By providing a highly biocompatible platform for osteosarcoma therapy, LCA NPs may help to significantly enhance the anticancer effect of Pt and greatly reduce the systemic toxicity and side effects of Pt towards osteosarcoma.
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2
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Smith AA, Lindley SE, Almond GT, Bergman NS, Matz BM, Smith AN. Evaluation of zoledronate for the treatment of canine stage III osteosarcoma: A phase II study. Vet Med Sci 2023; 9:59-67. [PMID: 36398717 PMCID: PMC9857128 DOI: 10.1002/vms3.1000] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Greater than 90% of dogs with appendicular osteosarcoma will develop pulmonary metastasis despite the standard of care. Available treatments have limited efficacy for stage III disease. Zoledronate, a bisphosphonate, induces apoptosis of canine osteosarcoma cells and appears to modulate the tumour microenvironment. OBJECTIVES This prospective, single institutional phase IIa trial investigated the use of single agent zoledronate in dogs with pulmonary metastases from osteosarcoma. METHODS Zoledronate was administered once monthly, and thoracic radiographs were used to assess response. RESULTS Eleven dogs were enrolled. Stable disease was achieved in two of eight dogs available for response assessment. The median progression-free survival was 28 days (range: 4-93 days). The median stage III-specific survival time was 92 days. Adverse events were reported in four dogs; two dogs developed grade III or higher toxicities. Notable adverse events included conjunctivitis, fever, hypocalcaemia, and hypophosphatemia. CONCLUSIONS Zoledronate appears to have limited efficacy as a single agent for stage III osteosarcoma and may be associated with unexpected toxicity in this population. This clinical trial was registered on the AVMA Animal Health Studies Database (AAHSD004396).
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Affiliation(s)
- Ashley A. Smith
- Department of Clinical SciencesAuburn University College of Veterinary MedicineAuburnAlabamaUSA
| | - Stephanie E.S. Lindley
- Department of Clinical SciencesAuburn University College of Veterinary MedicineAuburnAlabamaUSA
| | - Greg T. Almond
- Department of Clinical SciencesAuburn University College of Veterinary MedicineAuburnAlabamaUSA
| | - Noelle S. Bergman
- Department of Clinical SciencesAuburn University College of Veterinary MedicineAuburnAlabamaUSA
| | - Brad M. Matz
- Department of Clinical SciencesAuburn University College of Veterinary MedicineAuburnAlabamaUSA
| | - Annette N. Smith
- VCA Carriage Hills Animal Hospital and Pet Resort, 3200 Eastern BlvdMontgomeryALUSA
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3
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Lopes MG, Tosi G, McNaught KA, Morris JS. Retrospective assessment of tolerability and efficacy of zoledronate in the palliative treatment of cancer-bearing dogs. Aust Vet J 2023; 101:58-64. [PMID: 36385598 PMCID: PMC10099811 DOI: 10.1111/avj.13218] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 10/03/2022] [Accepted: 11/04/2022] [Indexed: 11/18/2022]
Abstract
Zoledronate is a bisphosphonate frequently used for the treatment of hypercalcaemia of malignancy and tumour-associated bone pain in dogs, however, there is a paucity of information regarding its use in veterinary medicine. The aim of this retrospective study was to report the tolerability of zoledronate in the palliative treatment of cancer-bearing dogs and secondarily to to assess the efficacy of zoledronate for the treatment of hypercalcaemia of malignancy. Thirty-seven dogs (22 with tumour-associated bone pain and 15 with hypercalcaemia of malignancy) that received 114 zoledronate infusions were included. Tolerability was assessed by the absence of post-zoledronate hypocalcaemia or other adverse events as defined by Veterinary Cooperative Oncology Group-Common Terminology Criteria for Adverse Events criteria. Efficacy was assessed by comparison of available ionized calcium levels before and after zoledronate administration in hypercalcaemic dogs. In 79% of zoledronate infusions, no adverse events were reported. The majority of adverse events which occurred in the other 21% of infusions could be attributed to concurrent chemotherapy or the underlying neoplastic disease. There was a small but significant increase in creatinine following treatment with zoledronate, however, none of the dogs developed clinically significant renal disease. In eight hypercalcaemic dogs with available ionized calcium following zoledronate administration, ionized calcium decreased rapidly within 7 days following treatment with zoledronate. Zoledronate is well-tolerated with few recorded adverse events, however, monitoring of serum creatinine is advised. Zoledronate seems to be effective in the treatment of hypercalcaemia of malignancy.
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Affiliation(s)
- M G Lopes
- School of Veterinary Medicine, Small Animal Hospital, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, UK
| | - G Tosi
- School of Veterinary Medicine, Small Animal Hospital, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, UK
| | - K A McNaught
- School of Veterinary Medicine, Small Animal Hospital, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, UK
| | - J S Morris
- School of Veterinary Medicine, Small Animal Hospital, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, UK
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4
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Lundberg AP, Tran Hoang C, Billhymer A, Selting KA. Combining radiation therapy with zoledronate for the treatment of osteo-invasive feline oral squamous cell carcinoma. Vet Comp Oncol 2022; 20:788-796. [PMID: 35561080 PMCID: PMC9796441 DOI: 10.1111/vco.12830] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 04/15/2022] [Accepted: 05/03/2022] [Indexed: 01/01/2023]
Abstract
Feline oral squamous cell carcinoma (FOSCC) is the most common oral tumour diagnosed in pet cats and carries a poor prognosis with <10% one-year survival despite multi-modal therapies. Tumours of the mandible or maxilla are frequently osteo-invasive and pain can result from osteolysis. Zoledronate is a bisphosphonate that inhibits osteoclasts and reduces bone resorption. Radiation therapy (RT) is used to treat FOSCC due to anti-cancer activity and ability to improve quality of life. We hypothesized RT can be safely combined with zoledronate, and that this combinatory therapy would be efficacious, well tolerated, and result in decreased bone resorption in cats with FOSCC. SCCF1 cell line was treated with zoledronate before, concurrently, or after RT, and clonogenic assays were performed to determine if an optimal dosing schedule would be identified. Nine cats with osteoinvasive FOSCC were recruited for treatment with 4 weekly doses of 8 Gy RT combined with zoledronate administered at the first and fourth treatments. Serial CT scans were performed to assess tumour response. Safety and tolerability were monitored with hematologic and biochemical parameters, and acute radiation effects were characterized. Serum c-telopeptide (CTx) and relative bone mineral density (rBMD) by dual -energy X-ray absorptiometry (DEXA) quantified bone resorption. In vitro studies showed no clear benefit to timing of zoledronate with RT, therefore all zoledronate was administered concurrently with RT in FOSCC patients. Based on tumour volume, 4/9 (44.4%) cats achieved partial remission, 4/9 (44.4%) stable disease and 1/9 (11.1%) had progressive disease. The combinatory therapy was well-tolerated based on biochemical measurements, and all patients experienced decreased serum CTx. Combining RT with zoledronate in tumour-bearing cats is safe, well-tolerated, results in a partial remission rate of up to 44%, and decreases serum CTx, a marker of bone resorption.
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Affiliation(s)
- Alycen P. Lundberg
- Veterinary Clinical MedicineUniversity of Illinois at Urbana‐ChampaignUrbanaIllinoisUSA
| | - Christine Tran Hoang
- Veterinary Clinical MedicineUniversity of Illinois at Urbana‐ChampaignUrbanaIllinoisUSA,Veterinary Health Center‐WentzvilleUniversity of Missouri‐ColumbiaWentzvilleMissouriUSA
| | - Audrey Billhymer
- Veterinary Clinical MedicineUniversity of Illinois at Urbana‐ChampaignUrbanaIllinoisUSA
| | - Kim A. Selting
- Veterinary Clinical MedicineUniversity of Illinois at Urbana‐ChampaignUrbanaIllinoisUSA
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5
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Vidal SA, Skorupski KA, Willcox JL, Palm CA, Burton JH. Retrospective Evaluation of Acute Kidney Injury After Zoledronic Acid Administration to Dogs With Malignant Osteolysis. Front Vet Sci 2021; 8:647846. [PMID: 34277751 PMCID: PMC8282816 DOI: 10.3389/fvets.2021.647846] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 05/26/2021] [Indexed: 11/13/2022] Open
Abstract
Zoledronic acid (ZOL) is an intravenous bisphosphonate indicated for the use of hypercalcemia of malignancy and management of bony metastases. Its therapeutic effect lies in the targeting of malignant osteoclasts; however, administration can be associated with renal toxicity. The objective of this retrospective study was to evaluate the frequency and severity of acute kidney injury (AKI) following ZOL administration in a cohort of cancer-bearing dogs. A pharmacy search was conducted to identify dogs that received a dose of ZOL between June 2016 and July 2019. Inclusion criteria included baseline and post-treatment chemistry panels. Medical records were reviewed to obtain clinical data including signalment, dose, dosage, number of treatments administered, and changes in renal function. Forty-four dogs met the inclusion criteria. Median number of doses administered was three [interquartile range (IQR), 2–5]. The median highest creatinine value occurred after a median of one dose (IQR, 1–2 doses) compared with the median highest value of blood urea nitrogen, phosphorus, and potassium, which occurred after a median of two doses (IQR, 1–3). Six (13.6%) dogs developed an AKI, and one dog (2.3%) had progression of an existing azotemia after treatment with ZOL was initiated. Two dogs (4.5%) had ZOL treatment discontinued secondary to development of azotemia. Use of concurrent administration of non-steroidal anti-inflammatory drugs or anesthesia did not significantly increase the risk of AKI in this cohort of dogs. Acute kidney injury is observed infrequently in cancer-bearing dogs treated with ZOL and is generally mild to moderate in severity; discontinuation of ZOL due to AKI is uncommon.
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Affiliation(s)
- Sarah A Vidal
- William R. Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Katherine A Skorupski
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Jennifer L Willcox
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Carrie A Palm
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Jenna H Burton
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
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Martin TW, Griffin L, Custis J, Ryan SD, Lafferty M, Boss MK, Regan D, Rao S, Leary D, Withrow SJ, LaRue SM. Outcome and prognosis for canine appendicular osteosarcoma treated with stereotactic body radiation therapy in 123 dogs. Vet Comp Oncol 2021; 19:284-294. [PMID: 33403752 DOI: 10.1111/vco.12674] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 12/29/2020] [Accepted: 12/29/2020] [Indexed: 12/15/2022]
Abstract
Canine appendicular osteosarcoma is commonly treated with limb amputation; however, limb-sparing options are frequently desired or necessary for a subset of patients. We evaluated 123 patients and 130 sites treated with stereotactic body radiation therapy (SBRT). Eighty-two out of 98 dogs (84%) had maximum lameness improvement at a median of 3 weeks for a median of 6 months duration. Histopathologic evaluation of available samples from amputation or necropsy revealed >80% tumor necrosis in 50% of limbs consistent with local disease control. Of evaluable patients, 41% fractured and 21% pursued an amputation after treatment. Fine needle aspirate (n = 52) and needle core biopsy (n = 28) did not result in increased fracture risk compared to those without tumor sampling (n = 50). Median survival time (MST) was 233 days and time to first event was 143 days. Gross tumor volume and planned target volume were significantly inversely associated with survival and tumor location was significantly associated with survival. Dogs with salvage amputation had a significantly longer MST compared to those without (346 vs 202 days; P = .04). The presence of metastatic disease at the time of treatment in 15 dogs did not significantly impact survival time (200 vs 237 days without metastasis; P = .58). Skin side effects correlated significantly with dose with 33% of patients with acute grade 3 effects developing consequential late grade 3 effects. While SBRT improves lameness in most patients, further investigation is needed to identify candidates with minimal early fracture risk prior to initiating therapy.
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Affiliation(s)
- Tiffany Wormhoudt Martin
- Department of Environment and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Lynn Griffin
- Department of Environment and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - James Custis
- Department of Radiation Oncology, VCA Animal Diagnostic Clinic, Dallas, Texas, USA
| | - Stewart D Ryan
- Veterinary Clinical Sciences, The University of Melbourne, Victoria, Australia
| | - Mary Lafferty
- Department of Clinical Science, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Mary-Keara Boss
- Department of Environment and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Daniel Regan
- Department of Microbiology, Immunology, and Pathology College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Sangeeta Rao
- Department of Clinical Science, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Del Leary
- Department of Environment and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Stephen J Withrow
- Department of Clinical Science, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Susan M LaRue
- Department of Environment and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
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7
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Suva LJ, Cooper A, Watts AE, Ebetino FH, Price J, Gaddy D. Bisphosphonates in veterinary medicine: The new horizon for use. Bone 2021; 142:115711. [PMID: 33141069 DOI: 10.1016/j.bone.2020.115711] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 12/17/2022]
Abstract
Bisphosphonates (BPs) are characterized by their ability to bind strongly to bone mineral and inhibit bone resorption. However, BPs exert a wide range of pharmacological activities beyond the inhibition of bone resorption, including the inhibition of cancer cell metastases and angiogenesis and the inhibition of proliferation and apoptosis in vitro. Additionally, the inhibition of matrix metalloproteinase activity, altered cytokine and growth factor expression, as well as reductions in parameters of pain have also been reported. In humans, clinical BP use has transformed the treatment of post-menopausal osteoporosis, rare bone diseases such as osteogenesis imperfecta, as well as multiple myeloma and metastatic breast and prostate cancer, albeit not without infrequent but significant adverse events. Despite the well-characterized health benefits of BP use in humans, the evidence-base for the therapeutic efficacy of BPs in veterinary medicine is, by comparison, limited. Notwithstanding, BPs are used widely in small animal veterinary practice for the medical management of hyperparathyroidism, idiopathic hypercalcemia in cats, as well as for the palliative care of bone tumors which are common in dogs, and in particular, primary bone tumors such as osteosarcoma. Palliative BP treatment has also recently increased in veterinary oncology to alleviate tumor-associated bone pain. In equine veterinary practice, non-nitrogen-containing BPs are FDA-approved to control clinical signs associated with navicular syndrome in adult horses. However, there are growing concerns regarding the off-label use of BPs in juvenile horses. Here we discuss the current understanding of the strengths, weaknesses and current controversies surrounding BP use in veterinary medicine to highlight the future utility of these potentially beneficial drugs.
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Affiliation(s)
- Larry J Suva
- Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA.
| | - Alexis Cooper
- Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Ashlee E Watts
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Frank H Ebetino
- Department of Chemistry, University of Rochester, Rochester, NY, USA; BioVinc, Pasadena, CA, USA
| | - Joanna Price
- Royal Agricultural University, Cirencester, Gloucestershire, UK
| | - Dana Gaddy
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
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Abstract
Neuropathic pain represents the extreme in maladaptive pain processing. In itself, it is a disease in which pain has become exaggerated in some combination of scope, severity, character, field, duration, and spontaneity. It is almost certainly an underappreciated, underdiagnosed cause of possible significant patient morbidity in cats. This article explores the basic mechanisms, recognition, known and suspect syndromes, and prospective treatment of feline maladaptive and neuropathic pain.
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Affiliation(s)
- Mark E Epstein
- TotalBond Veterinary Hospital, c/o Forestbrook, 3200 Union Road, Gastonia, NC 28056, USA.
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9
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Hayes MA, Jemilo S, Muir P, Sullivan R, Bleedorn JA. Pathologic fracture healing after femoral limb salvage in a dog. Aust Vet J 2019; 98:84-89. [PMID: 31792933 DOI: 10.1111/avj.12899] [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: 08/29/2019] [Revised: 10/30/2019] [Accepted: 11/11/2019] [Indexed: 11/26/2022]
Abstract
BACKGROUND Bone sarcomas are a significant cause of pain, disability, and mortality in dogs. A variety of surgical limb salvage options are available to preserve limb function with comparable prognosis to amputation. CASE REPORT This report describes successful healing after plate fixation of an undifferentiated sarcoma pathologic femoral fracture in a dog. The fracture was treated surgically with curettage of the tumour site, placement of autogenous bone graft, and then stabilized using a locking plate rod construct. The patient regained excellent mobility after surgery and was managed with monthly pamidronate therapy. Serial radiographs demonstrate progressive healing of the pathologic fracture. Ultimately, the patient developed a maxillary fibrosarcoma and was euthanased 1 year after treatment of the femoral fracture. Postmortem histopathological evaluation of the pathologic fracture site demonstrated complete bone healing. CONCLUSION This case highlights the possibilities of limb salvage by fracture stabilization and bone healing as a viable option in select patients.
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Affiliation(s)
- M A Hayes
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, Wisconsin
| | - S Jemilo
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, Wisconsin
| | - P Muir
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, Wisconsin
| | - R Sullivan
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, Wisconsin
| | - J A Bleedorn
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, Wisconsin
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10
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Shen B, Zhou N, Hu T, Zhao W, Wu D, Wang S. LncRNA MEG3 negatively modified osteosarcoma development through regulation of miR‐361‐5p and FoxM1. J Cell Physiol 2019; 234:13464-13480. [PMID: 30624782 DOI: 10.1002/jcp.28026] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Accepted: 11/30/2018] [Indexed: 12/17/2022]
Affiliation(s)
- Bin Shen
- Department of Spinal Surgery Shanghai East Hospital, Tongji University School of Medicine Shanghai China
| | - Ningfeng Zhou
- Department of Spinal Surgery Shanghai East Hospital, Tongji University School of Medicine Shanghai China
| | - Tao Hu
- Department of Spinal Surgery Shanghai East Hospital, Tongji University School of Medicine Shanghai China
| | - Weidong Zhao
- Department of Spinal Surgery Shanghai East Hospital, Tongji University School of Medicine Shanghai China
| | - Desheng Wu
- Department of Spinal Surgery Shanghai East Hospital, Tongji University School of Medicine Shanghai China
| | - Shanjin Wang
- Department of Spinal Surgery Shanghai East Hospital, Tongji University School of Medicine Shanghai China
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Monteiro BP, de Lorimier LP, Moreau M, Beauchamp G, Blair J, Lussier B, Pelletier JP, Troncy E. Pain characterization and response to palliative care in dogs with naturally-occurring appendicular osteosarcoma: An open label clinical trial. PLoS One 2018; 13:e0207200. [PMID: 30521538 PMCID: PMC6283659 DOI: 10.1371/journal.pone.0207200] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 10/26/2018] [Indexed: 12/22/2022] Open
Abstract
This study aimed to characterize bone cancer pain (quantitative sensory testing (QST), stance asymmetry index, actimetry, scores of pain and quality of life (QoL)) in dogs with appendicular osteosarcoma (OSA), and to evaluate a stepwise palliative analgesic treatment. The pain profile of thirteen client-owned dogs with OSA was compared with seven healthy dogs. Dogs with OSA were then enrolled in a prospective, open-label, clinical trial. Outcome measures included: primary and secondary mechanical thresholds (MT), conditioned pain modulation (CPM), stance asymmetry index, actimetry (most and least active periods), visual analog scales and QoL. After baseline assessments, stepwise treatment comprised orally administered cimicoxib (2 mg/kg q 24h), amitriptyline (1–1.5 mg/kg q 24h) and gabapentin (10 mg/kg q 8h); re-evaluations were performed after 14 (D14), 21 (D21) and 28 (D28) days, respectively. Statistics used mixed linear models (α = 5%; one-sided). Centralized nociceptive sensitivity (primary and secondary MT, and dynamic allodynia) was recorded in OSA dogs. Healthy dogs had responsive CPM, but CPM was deficient in OSA dogs. Construct validity was observed for the QST protocol. Asymmetry index was significantly present in OSA dogs. The CPM improved significantly at D14. When compared with baseline (log mean ± SD: 4.1 ± 0.04), most active actimetry significantly improved at D14 (4.3 ± 0.04), D21 and D28 (4.2 ± 0.04 for both). When compared with baseline, least active actimetry significantly decreased after treatment at all time-points indicating improvement in night-time restlessness. No other significant treatment effect was observed. Except for tactile threshold and actimetry, all outcomes worsened when gabapentin was added to cimicoxib-amitriptyline. Dogs with bone cancer are affected by widespread somatosensory sensitivity characterized by peripheral and central sensitization and have a deficient inhibitory system. This severe pain is mostly refractory to palliative analgesic treatment, and the latter was only detected by specific and sensitive outcomes.
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Affiliation(s)
- Beatriz P. Monteiro
- GREPAQ (Groupe de recherche en pharmacologie animale du Québec), Department of biomedical sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
| | | | - Maxim Moreau
- GREPAQ (Groupe de recherche en pharmacologie animale du Québec), Department of biomedical sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- Osteoarthritis Research Unit, University of Montreal Hospital Research Centre (CRCHUM), Montreal, Quebec, Canada
| | - Guy Beauchamp
- GREPAQ (Groupe de recherche en pharmacologie animale du Québec), Department of biomedical sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
| | - Jeffrey Blair
- Vétoquinol SA, Global–Le Groupe Vétoquinol, Magny-Vernois, France
| | - Bertrand Lussier
- GREPAQ (Groupe de recherche en pharmacologie animale du Québec), Department of biomedical sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- Osteoarthritis Research Unit, University of Montreal Hospital Research Centre (CRCHUM), Montreal, Quebec, Canada
| | - Jean-Pierre Pelletier
- Osteoarthritis Research Unit, University of Montreal Hospital Research Centre (CRCHUM), Montreal, Quebec, Canada
| | - Eric Troncy
- GREPAQ (Groupe de recherche en pharmacologie animale du Québec), Department of biomedical sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
- Osteoarthritis Research Unit, University of Montreal Hospital Research Centre (CRCHUM), Montreal, Quebec, Canada
- * E-mail:
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12
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Farrell KB, Karpeisky A, Thamm DH, Zinnen S. Bisphosphonate conjugation for bone specific drug targeting. Bone Rep 2018; 9:47-60. [PMID: 29992180 PMCID: PMC6037665 DOI: 10.1016/j.bonr.2018.06.007] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 06/28/2018] [Accepted: 06/29/2018] [Indexed: 12/26/2022] Open
Abstract
Bones provide essential functions and are sites of unique biochemistry and specialized cells, but can also be sites of disease. The treatment of bone disorders and neoplasia has presented difficulties in the past, and improved delivery of drugs to bone remains an important goal for achieving effective treatments. Drug targeting strategies have improved drug localization to bone by taking advantage of the high mineral concentration unique to the bone hydroxyapatite matrix, as well as tissue-specific cell types. The bisphosphonate molecule class binds specifically to hydroxyapatite and inhibits osteoclast resorption of bone, providing direct treatment for degenerative bone disorders, and as emerging evidence suggests, cancer. These bone-binding molecules also provide the opportunity to deliver other drugs specifically to bone by bisphosphonate conjugation. Bisphosphonate bone-targeted therapies have been successful in treatment of osteoporosis, primary and metastatic neoplasms of the bone, and other bone disorders, as well as refining bone imaging. In this review, we focus upon the use of bisphosphonate conjugates with antineoplastic agents, and overview bisphosphonate based imaging agents, nanoparticles, and other drugs. We also discuss linker design potential and the current state of bisphosphonate conjugate research progress. Ongoing investigations continue to expand the possibilities for bone-targeted therapeutics and for extending their reach into clinical practice.
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Affiliation(s)
- Kristen B Farrell
- MBC Pharma Inc., 12635 East Montview Blvd., Aurora, CO 80045-0100, United States of America
| | - Alexander Karpeisky
- MBC Pharma Inc., 12635 East Montview Blvd., Aurora, CO 80045-0100, United States of America
| | - Douglas H Thamm
- Flint Animal Cancer Center, Colorado State University, 300 West Drake Road, Fort Collins, CO 80523-1620, United States of America
| | - Shawn Zinnen
- MBC Pharma Inc., 12635 East Montview Blvd., Aurora, CO 80045-0100, United States of America
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13
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Anesi S, Parry AT, Monti P, Elliott J. Radiographic appearance of an osseous metastasis to the distal radius from a transitional cell carcinoma of the urinary bladder. VETERINARY RECORD CASE REPORTS 2017. [DOI: 10.1136/vetreccr-2017-000474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Simone Anesi
- Intern, Willows Veterinary Centre and Referral CentreSolihullUK
| | - Andrew T Parry
- Department of Diagnostic ImagingWillows Veterinary Centre and Referral CentreSolihullUK
| | - Paola Monti
- Department of Clinical PathologyDWR DiagnosticSix Mile BottomUK
| | - James Elliott
- Department of OncologyWillows Veterinary Centre and Referral CentreSolihullUK
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14
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Pagano C, Boudreaux B, Shiomitsu K. SAFETY AND TOXICITY OF AN ACCELERATED COARSELY FRACTIONATED RADIATION PROTOCOL FOR TREATMENT OF APPENDICULAR OSTEOSARCOMA IN 14 DOGS: 10 GY × 2 FRACTIONS. Vet Radiol Ultrasound 2016; 57:551-6. [PMID: 27374864 DOI: 10.1111/vru.12389] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 05/11/2016] [Indexed: 01/21/2023] Open
Abstract
Coarsely fractionated radiation is commonly used as a method for pain control in dogs with appendicular osteosarcoma, however there is little published information on optimal protocols. The aim of this retrospective, descriptive study was to report safety and toxicity findings in a sample of dogs with appendicular osteosarcoma that had been treated with a radiation scheme of 10 Gy delivered over two consecutive days for a total of 20 Gy. Dogs were included in the study if they had osteosarcoma that was treated with the aforementioned protocol. Dogs were excluded if treated with the same protocol for any other bone tumor besides osteosarcoma or inadequate follow-up. Thirteen of the 14 patients received adjuvant therapy with pamidronate and a nonsteroidal anti-inflammatory. Nine dogs received adjuvant chemotherapy with carboplatin after radiation was complete. Within a median of 14 days, 92.8% of dogs subjectively had improved pain control. Median duration of response (DOR) was 80 days (range 20-365). The majority of patients developed VRTOG grade one toxicity, primarily alopecia. Five dogs (35.7%) developed pathologic fracture postradiation treatment. Timing of fracture was variable ranging from 24 to 250 days. This radiation protocol was well tolerated, with minimal toxicity, subjectively improved survival time, and had the benefit of being completed in two consecutive days.
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Affiliation(s)
- Candace Pagano
- Department of Veterinary Clinical Sciences, Louisiana State University, Skip Bertman Dr., Baton Rouge, LA, 70803.
| | - Bonnie Boudreaux
- Department of Veterinary Clinical Sciences, Louisiana State University, Skip Bertman Dr., Baton Rouge, LA, 70803
| | - Keijiro Shiomitsu
- Department of Veterinary Clinical Sciences, Louisiana State University, Skip Bertman Dr., Baton Rouge, LA, 70803
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15
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Marker BA, Barber LG, Clifford CA, Correa SS, Thalhofer PL, LaDue TA, Mullin CM, Sauerbrey ML, Wood CC. Extravasation reactions associated with the administration of pamidronate: 11 cases (2008-2013). Vet Comp Oncol 2016; 15:470-480. [PMID: 27174040 DOI: 10.1111/vco.12191] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2015] [Revised: 10/09/2015] [Accepted: 10/11/2015] [Indexed: 11/30/2022]
Abstract
Pamidronate is a bisphosphonate drug widely utilized in veterinary oncologic practice for the palliation of malignant osteolysis. Pamidronate has not been previously reported to cause tissue injury upon extravasation in dogs. The medical records of 11 client-owned dogs undergoing palliative treatment for primary bone tumors with known or suspected pamidronate extravasation reactions were reviewed. The majority of adverse events were low grade in nature, however in some cases, the reactions were severe and led to euthanasia in one instance. Time to complete resolution of lesions ranged from within several days to greater than one and a half months. Aside from the dog that was euthanized, no long-term sequelae of extravasation were identified. Treatments employed to address the reactions varied widely. Pamidronate extravasation reaction appears to be an uncommon, but potentially serious complication of intravenous administration.
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Affiliation(s)
- B A Marker
- Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, 01536, USA
| | - L G Barber
- Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, 01536, USA
| | - C A Clifford
- Red Bank Veterinary Hospital, Tinton Falls, NJ, 07724, USA
| | - S S Correa
- Animal Cancer Care Clinic, Ft. Lauderdale, FL, 33304, USA
| | - P L Thalhofer
- Metropolitan Veterinary Hospital, Akron, OH, 44321, USA
| | - T A LaDue
- Southeast Veterinary Oncology, Orange Park, FL, 32073, USA
| | - C M Mullin
- Red Bank Veterinary Hospital, Tinton Falls, NJ, 07724, USA
| | - M L Sauerbrey
- Oakland Veterinary Referral Services, Bloomfield Hills, MI, 48302, USA
| | - C C Wood
- Veterinary Referral and Emergency Center of Westbury, Westbury, NY, USA
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16
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Higgins S, Sanchez-Migallon Guzman D, Sadar MJ, Burton A, LaDouceur E, Bucy D, Rodriguez CO, Harvey C, Hunt G. Coxofemoral Amputation in a Domestic Rabbit (Oryctolagus Cuniculus) With Tibiofibular Osteoblastic Osteosarcoma. J Exot Pet Med 2015. [DOI: 10.1053/j.jepm.2015.08.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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17
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Fenger JM, London CA, Kisseberth WC. Canine osteosarcoma: a naturally occurring disease to inform pediatric oncology. ILAR J 2015; 55:69-85. [PMID: 24936031 DOI: 10.1093/ilar/ilu009] [Citation(s) in RCA: 155] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Osteosarcoma (OSA) is the most common form of malignant bone cancer in children and dogs, although the disease occurs in dogs approximately 10 times more frequently than in people. Multidrug chemotherapy and aggressive surgical techniques have improved survival; however, new therapies for OSA are critical, as little improvement in survival times has been achieved in either dogs or people over the past 15 years, even with significant efforts directed at the incorporation of novel therapeutic approaches. Both clinical and molecular evidence suggests that human and canine OSA share many key features, including tumor location, presence of microscopic metastatic disease at diagnosis, development of chemotherapy-resistant metastases, and altered expression/activation of several proteins (e.g. Met, ezrin, phosphatase and tensin homolog, signal transducer and activator of transcription 3), and p53 mutations, among others. Additionally, canine and pediatric OSA exhibit overlapping transcriptional profiles and shared DNA copy number aberrations, supporting the notion that these diseases are similar at the molecular level. This review will discuss the similarities between pediatric and canine OSA with regard to histology, biologic behavior, and molecular genetic alterations that indicate canine OSA is a relevant, spontaneous, large animal model of the pediatric disease and outline how the study of naturally occurring OSA in dogs will offer additional insights into the biology and future treatment of this disease in both children and dogs.
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18
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Pang LY, Argyle SA, Kamida A, Morrison KO, Argyle DJ. The long-acting COX-2 inhibitor mavacoxib (Trocoxil™) has anti-proliferative and pro-apoptotic effects on canine cancer cell lines and cancer stem cells in vitro. BMC Vet Res 2014; 10:184. [PMID: 25190452 PMCID: PMC4172958 DOI: 10.1186/s12917-014-0184-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Accepted: 08/07/2014] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The NSAID mavacoxib (Trocoxcil™) is a recently described selective COX-2 inhibitor used for the management of inflammatory disease in dogs. It has a long plasma half-life, requiring less frequent dosing and supporting increased owner compliance in treating their dogs. Although the use of NSAIDs has been described in cancer treatment in dogs, there are no studies to date that have examined the utility of mavacoxib specifically. RESULTS In this study we compared the in vitro activity of a short-acting non-selective COX inhibitor (carprofen) with mavacoxib, on cancer cell and cancer stem cell survival. We demonstrate that mavacoxib has a direct cell killing effect on cancer cells, increases apoptosis in cancer cells in a manner that may be independent of caspase activity, and has an inhibitory effect on cell migration. Importantly, we demonstrate that cancer stem cells derived from osteosarcoma cell lines are sensitive to the cytotoxic effect of mavacoxib. CONCLUSIONS Both NSAIDs can inhibit cancer cell proliferation and induce apoptosis in vitro. Importantly, cancer stem cells derived from an osteosarcoma cell line are sensitive to the cytotoxic effect of mavacoxib. Our results suggest that mavacoxib has anti-tumour effects and that this in vitro anti-cancer activity warrants further study.
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Abstract
Veterinary surgeons in the UK were invited to complete an internet survey concerning their attitudes to chronic pain in dogs. UK veterinary surgeons numbering 215 completed surveys in full along with 48 worldwide specialists in anaesthesia and 37 worldwide specialists in oncology. Osteoarthritis, dental and aural disease, vertebral and spinal cord conditions, neoplasia and skin conditions were considered important causes of chronic pain in dogs. UK practitioners used significantly fewer classes of analgesic drugs regularly than either category of specialist. The major barriers to adequate treatment of chronic pain were reported as difficulties with pain assessment, expense of drugs, and difficulties with owner compliance. Illustrations of six common neoplastic conditions were used and scored for pain according to prior experience by practitioners. All six conditions were consistently described as involving some degree of pain with primary bone tumour and oral tumour, causing severe pain and moderate to severe pain, respectively. Years since graduation and specialist status affected the pain scores attributed to the conditions. There was a significant correlation between the pain score attributed to the illustrated condition, and the tendency to administer analgesia.
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Affiliation(s)
- A Bell
- School of Veterinary Medicine, University of Glasgow, Bearsden, Glasgow G61 1QH, UK
| | - J Helm
- School of Veterinary Medicine, University of Glasgow, Bearsden, Glasgow G61 1QH, UK
| | - J Reid
- School of Veterinary Medicine, University of Glasgow, Bearsden, Glasgow G61 1QH, UK
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20
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Abstract
Pain is a widespread clinical symptom in companion animals with cancer, and its aggressive management should be a priority. Education and skills can be acquired by health care professionals and caregivers to better understand, recognize, and treat cancer-associated pain. The early and rational institution of multimodality analgesic protocols can be highly effective and maximize the chances of improving quality of life in dogs and cats with cancer. This article describes the pathophysiology of pain in companion animals diagnosed with cancer. The foundational causes of cancer-associated pain and treatment strategies for alleviating discomfort in companion animals with cancer are discussed.
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21
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Soto SA, Chiappe Barbará A. Bisphosphonates: Pharmacology and Clinical Approach to Their Use in Equine Osteoarticular Diseases. J Equine Vet Sci 2014. [DOI: 10.1016/j.jevs.2014.01.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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22
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MacFarlane PD, Tute AS, Alderson B. Therapeutic options for the treatment of chronic pain in dogs. J Small Anim Pract 2014; 55:127-34. [PMID: 24467556 DOI: 10.1111/jsap.12176] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Chronic pain is a widely recognised problem in humans and is being increasingly recognised as a significant problem in dogs. Whilst a large number of therapies are described and utilised to treat chronic pain in dogs, there is a severe shortage of evidence to guide practitioners in selection of treatments. Until more evidence becomes available, practitioners should adopt a cautious approach, utilising licensed treatments first when possible. Non-pharmacological therapies should be incorporated into the chronic pain management plan whenever possible. Given the probable prevalence of chronic pain in dogs there is an urgent need for research to identify effective treatments.
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Affiliation(s)
- P D MacFarlane
- Langford Veterinary Services, The University of Bristol, Langford, BS40 5DU
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23
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Petterino C, Penzo C, Ide A. Primary haemangiosarcoma of the tibia in a dog: clinical and pathological findings. ACTA ACUST UNITED AC 2013. [DOI: 10.1007/s00580-013-1831-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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24
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Oblak ML, Boston SE, Higginson G, Patten SG, Monteith GJ, Woods JP. The impact of pamidronate and chemotherapy on survival times in dogs with appendicular primary bone tumors treated with palliative radiation therapy. Vet Surg 2013; 41:430-5. [PMID: 23253085 DOI: 10.1111/j.1532-950x.2012.00968.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OBJECTIVE To assess survival times in dogs that received palliative radiation therapy (RT) alone, and in combination with chemotherapy, pamidronate, or both for primary appendicular bone tumors and determine whether the addition of these adjunctive therapies affects survival. STUDY DESIGN Retrospective case series. ANIMALS Dogs (n = 50) with primary appendicular bone tumors. METHODS Dogs were divided into the following treatment groups: RT alone, RT + chemotherapy, RT+ pamidronate, and RT+ chemotherapy + pamidronate. Dogs were considered for analysis if they had a known euthanasia date or follow-up data were available for at least 120 days from the time of diagnosis. Survival time was defined as the time from admission to euthanasia. Cox proportional hazard models and Kaplan-Meier survival functions were used. A P value of less than .05 was considered significant. RESULTS Fifty dogs were considered for survival analysis. Median survival times (MSTs) were longest for dogs receiving RT and chemotherapy (307 days; 95% CI: 279, 831) and shortest in dogs receiving RT and pamidronate (69 days; 95% CI: 47, 112 days). The difference in MST between dogs who received pamidronate and those who did not in this population was statistically significant in a univariate (P = .039) and multivariate analysis (P = .0015). The addition of chemotherapy into any protocol improved survival (P < .001). CONCLUSIONS Chemotherapy should be recommended in addition to a palliative RT protocol to improve survival of dogs with primary appendicular bone tumors. When combined with RT ± chemotherapy, pamidronate decreased MST and should not be included in a standard protocol.
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Affiliation(s)
- Michelle L Oblak
- Department of Clinical Studies, Ontario Veterinary College, Guelph, Canada.
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25
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Kozicki AR, Robat C, Chun R, Kurzman ID. Adjuvant therapy with carboplatin and pamidronate for canine appendicular osteosarcoma. Vet Comp Oncol 2013; 13:229-36. [PMID: 23663234 DOI: 10.1111/vco.12040] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2013] [Revised: 03/30/2013] [Accepted: 04/02/2013] [Indexed: 11/27/2022]
Abstract
Amputation and chemotherapy are the mainstay of treatment for canine appendicular osteosarcoma (OSA). In vitro studies have demonstrated anti-tumour activity of pamidronate against canine OSA. The purpose of this study was to assess the safety of adding pamidronate to standard post-operative carboplatin chemotherapy in 17 dogs with appendicular OSA treated with limb amputation. Median disease-free interval (DFI) and median survival time (MST) were evaluated as secondary endpoints. Incidence of side effects and treatment outcomes were compared to 14 contemporary control patients treated with carboplatin alone. There were no identified side effects to the pamidronate treatment. The median DFI for the study group was 185 days compared to 172 days for the control group (P = 0.90). The MST of the study group was 311 days compared to 294 days for the control group (P = 0.89). Addition of pamidronate to carboplatin chemotherapy for the treatment of canine appendicular OSA is safe and does not impair efficacy of standard carboplatin treatment.
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Affiliation(s)
- A R Kozicki
- Department of Medical Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - C Robat
- Department of Medical Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - R Chun
- Department of Medical Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - I D Kurzman
- Department of Medical Sciences, University of Wisconsin-Madison, Madison, WI, USA
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26
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Hoshino Y, Mori T, Sakai H, Murakami M, Maruo K. Palliative radiation therapy in a dog with malignant trichoepithelioma. Aust Vet J 2012; 90:210-3. [PMID: 22632283 DOI: 10.1111/j.1751-0813.2012.00933.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An 11-year-old male Bearded Collie was brought to the Gifu University Animal Medical Centre with a skin mass on the lateral right thigh. Physical examination revealed a 30 × 65-mm oval mass with an alopecic and ulcerated surface. Histopathology of the surgically excised sample confirmed malignant trichoepithelioma. Five months after the surgery, the dog experienced lumbar pain resulting from metastasis to the lumbar vertebrae. Radiation therapy (RT) was performed and it alleviated the lumbar pain. Nine months after the surgery, multiple skin metastases were identified. RT was performed at each occurrence, which reduced the size of each tumour and resulted in a partial response; however, systemic metastasis occurred and the dog died 17 months after the initial surgery. Canine malignant trichoepithelioma is a rare tumour, so an effective treatment has not been determined. Data from our case study indicate that RT has potential for pain control of primary and metastatic malignant trichoepithelioma.
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Affiliation(s)
- Y Hoshino
- Laboratory of Veterinary Clinical Oncology, Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
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27
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Youkhanna D, Griffon DJ, Fredericks P, Schaeffer D, Fan TM, Jasiuk IM. Bone Resorption Markers and Dual-Energy X-Ray Absorptiometry in Dogs with Avascular Necrosis, Degenerative Joint Disease, and Trauma of the Coxofemoral Joint. Vet Surg 2012; 41:551-8. [DOI: 10.1111/j.1532-950x.2011.00991.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | | | - Page Fredericks
- College of Veterinary Medicine; University of Illinois; Urbana-Champaign; IL
| | - David Schaeffer
- College of Veterinary Medicine; University of Illinois; Urbana-Champaign; IL
| | - Timothy M. Fan
- College of Veterinary Medicine; University of Illinois; Urbana-Champaign; IL
| | - Iwona M. Jasiuk
- Mechanical Sciences and Engineering; University of Illinois; Urbana-Champaign; IL
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28
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Abstract
Bisphosphonate use has increased in veterinary medicine over the last decade. During this time, bisphosphonate related osteonecrosis of the jaws (BRONJ) in human patients has been identified. Only recently was a dog model for BRONJ developed for human oral surgery and medicine. Veterinary patients treated with bisphosphonates may be at an increased risk for BRONJ There has been little, to no, investigation of potential long term side-effects of bisphosphonate use in veterinary patients; potential sequelae are unknown. The history of bisphosphonates, their use, and BRONJ in veterinary patients are discussed.
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Affiliation(s)
- Kevin Stepaniuk
- College of Veterinary Medicine, University of Minnesota, St. Paul, MN 55108, USA.
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29
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Schmit J, Pondenis H, Barger A, Borst L, Garrett L, Wypij J, Neumann Z, Fan T. Cathepsin K Expression and Activity in Canine Osteosarcoma. J Vet Intern Med 2011; 26:126-34. [DOI: 10.1111/j.1939-1676.2011.00834.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2011] [Revised: 09/26/2011] [Accepted: 10/05/2011] [Indexed: 11/30/2022] Open
Affiliation(s)
- J.M. Schmit
- From the Department of Veterinary Clinical Medicine
| | | | - A.M. Barger
- Department of Pathobiology; University of Illinois; Urbana; IL
| | - L.B. Borst
- Department of Population Health and Pathobiology; North Carolina State University; Raleigh; NC
| | - L.D. Garrett
- From the Department of Veterinary Clinical Medicine
| | - J.M. Wypij
- From the Department of Veterinary Clinical Medicine
| | - Z.L. Neumann
- From the Department of Veterinary Clinical Medicine
| | - T.M. Fan
- From the Department of Veterinary Clinical Medicine
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30
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Morello E, Martano M, Buracco P. Biology, diagnosis and treatment of canine appendicular osteosarcoma: Similarities and differences with human osteosarcoma. Vet J 2011; 189:268-77. [DOI: 10.1016/j.tvjl.2010.08.014] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2009] [Revised: 08/12/2010] [Accepted: 08/28/2010] [Indexed: 10/19/2022]
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Abstract
Canine osteosarcoma (OS) is an aggressive tumour that accounts for approximately 90% of primary bone tumours in the dog. Although the standard treatments (including limb amputation/sparing, chemotherapy and palliative radiotherapy) have significantly increased survival rates, almost 90% of animals will eventually develop predominantly pulmonary metastases. Despite advances in various therapies, prognosis remains poor, with median survival times ranging from 3 months to 1 year and <20% of dogs survive for >2 years following diagnosis. Various clinical and epidemiological markers have facilitated decision-making with respect to therapy but no single molecular biomarker has been shown to enhance prediction of disease progression. The publication of the canine genome in 2005 raised the possibility of increasing understanding of the genetic mechanisms underpinning canine OS. This review explores the use of biomarkers within the multi-disciplinary management of dogs with OS, and highlights the few known, potential prognostic/predictive molecular markers including their potential value as 'bridging biomarkers' for human OS. Although high-throughput profiling of canine OS remains in its infancy, research within the next decade using leading-edge screening technologies has the potential to identify biomarkers that may enhance diagnostic and prognostic accuracy and result in more effective, individually tailored, treatment and management protocols for affected dogs.
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Affiliation(s)
- Gayathri Thevi Selvarajah
- Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, 3584CM Utrecht, The Netherlands
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32
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Grubb T. What Do We Really Know About the Drugs We Use to Treat Chronic Pain? Top Companion Anim Med 2010; 25:10-9. [DOI: 10.1053/j.tcam.2009.10.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2009] [Accepted: 10/05/2009] [Indexed: 11/11/2022]
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Böttcher P, Krastel D, Hierholzer J, Westphalen K, Florian S, Hildebrandt G, Vera G, Oechtering G. Percutaneous cementoplasty in the palliative, multimodal treatment of primary bone tumors of the distal aspect of the radius in four dogs. Vet Surg 2009; 38:888-901. [PMID: 19781033 DOI: 10.1111/j.1532-950x.2009.00596.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To (1) evaluate the analgesic effect of percutaneous cementoplasty (PC) in dogs with primary bone tumor (PBT) of the distal aspect of the radius and (2) evaluate the impact on the course of disease by adding PC to a palliative, multimodal treatment protocol in these dogs. STUDY DESIGN Prospective pilot study. ANIMALS Dogs (n=4) with PBT of the distal aspect of the radius. METHODS Tumor lesions were filled percutaneously with polymethylmethacrylate under fluoroscopic guidance. Pamidronate was administered once in a week before PC. Radiotherapy and chemotherapy were initiated 2 and 6 weeks after PC, respectively. Force plate analysis was performed immediately before 2, and 6 weeks after PC. Survival time was defined from PC to euthanasia. RESULTS Two dogs had a significant increase in peak vertical force 2 weeks after PC (P=.043) and remained free of lameness for 18 and 20 weeks, respectively. One dog had an acute relapse after an initially lame-free period of 10 days. The remaining dog failed to improve (P=.686). Three dogs developed at least 2 complications including transient worsening of the lameness after PC, cement leakage, wound infection and suspected thromboembolism in combination with cough and anemia. Median survival was 4.8 months (range, 1-5.7 months). CONCLUSIONS PC in combination with pamidronate significantly improved lameness in 2 dogs; however, PC is not risk-free. Deep wound infection, intraarticular cement leakage, and venous thrombosis were the main complications. CLINICAL RELEVANCE PC might be a useful addition to established palliative, multimodal treatment protocols in dogs with PBT; however, because of the complications encountered PC warrants further study before routine use can be considered.
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Affiliation(s)
- Peter Böttcher
- Department of Small Animal Medicine, University of Leipzig, An den Tierkliniken 23, Leipzig, Germany.
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Fan TM. Intravenous Aminobisphosphonates for Managing Complications of Malignant Osteolysis in Companion Animals. Top Companion Anim Med 2009; 24:151-6. [DOI: 10.1053/j.tcam.2009.02.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2009] [Accepted: 02/07/2009] [Indexed: 11/11/2022]
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35
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Fan TM, Charney SC, de Lorimier LP, Garrett LD, Griffon DJ, Gordon-Evans WJ, Wypij JM. Double-blind placebo-controlled trial of adjuvant pamidronate with palliative radiotherapy and intravenous doxorubicin for canine appendicular osteosarcoma bone pain. J Vet Intern Med 2009; 23:152-60. [PMID: 19175734 DOI: 10.1111/j.1939-1676.2008.0221.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Canine osteosarcoma (OSA) causes focal malignant osteolysis leading to severe pain. Despite the documented efficacy of radiotherapy or IV aminobisphosphonates for managing cancer bone pain, their potential combined therapeutic value has not been reported in OSA-bearing dogs. HYPOTHESIS Pamidronate combined with standardized palliative therapy will improve pain control and bone biologic effects in OSA-bearing dogs. ANIMALS Fifty dogs with appendicular OSA treated with standardized palliative therapy and either pamidronate or sterile saline. METHODS Randomized, prospective, double-blinded, placebo-controlled study. Treatment responses for dogs receiving standardized palliative therapy with (n = 26) or without (n = 24) adjuvant pamidronate were serially evaluated for changes in subjective pain scores, urine N-telopeptide (NTx) excretion, primary tumor relative bone mineral density (rBMD), and computerized pressure platform gait analysis. RESULTS Median duration of subjective pain relief for dogs treated with adjuvant pamidronate or placebo was 76 and 75 days, respectively (P= .39). Forty percent (20/50; pamidronate [11/26] and placebo [9/24]) of dogs experienced durable analgesia, defined by pain alleviation > or =112 days. For patients achieving durable pain control, dogs treated with pamidronate achieved greater reductions in NTx excretion and larger increases in rBMD compared with placebo controls. Changes in peak vertical force assessed by computerized pressure platform gait analysis correlated with pain alleviation in OSA-bearing dogs. CONCLUSIONS AND CLINICAL IMPORTANCE Combining pamidronate with standardized palliative therapy is safe, but does not clearly improve pain alleviation. However, in dogs achieving durable pain control, adjuvant pamidronate appears to decrease focal bone resorption in the local tumor microenvironment.
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Affiliation(s)
- T M Fan
- Department of Veterinary Clinical Medicine, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
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36
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Abstract
Control of cancer pain is within the capabilities of most veterinarians and is achievable in most animal patients that have cancer with techniques that are currently available. Great satisfaction can be derived from not only treating the pet's cancer but its pain. Incorporating pain management into oncology practice is good for the well-being of the pet, the owner, the staff, the veterinarians, and the practice.
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37
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Lamont LA. Adjunctive analgesic therapy in veterinary medicine. Vet Clin North Am Small Anim Pract 2009; 38:1187-203, v. [PMID: 18954680 DOI: 10.1016/j.cvsm.2008.06.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Adjunctive analgesic therapies are interventions for pain that involve agents or techniques other than the traditional analgesics (opioids, nonsteroidal anti-inflammatory drugs, and local anesthetics). Adjunctive therapies may be pharmacologic or nonpharmacologic in nature. The focus of this article is on pharmacologic interventions with potential utility as adjunctive analgesics in veterinary medicine. Pharmacology of selected agents, including medetomidine, ketamine, amantadine, gabapentin, systemic lidocaine, and pamidronate, is discussed in addition to evidence for their safety and efficacy and guidelines for their use in veterinary patients.
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Affiliation(s)
- Leigh A Lamont
- Department of Companion Animals, Atlantic Veterinary College, University of Prince Edward Island, 550 University Avenue, Charlottetown, Prince Edward Island, Canada C1A 4P3.
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Spugnini EP, Vincenzi B, Caruso G, Baldi A, Citro G, Santini D, Tonini G. Zoledronic acid for the treatment of appendicular osteosarcoma in a dog. J Small Anim Pract 2009; 50:44-6. [DOI: 10.1111/j.1748-5827.2008.00635.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lucas P, Fan T, Garrett L, Griffon D, Wypij J. A Comparison of Five Different Bone Resorption Markers in Osteosarcoma-Bearing Dogs, Normal Dogs, and Dogs with Orthopedic Diseases. J Vet Intern Med 2008; 22:1008-13. [DOI: 10.1111/j.1939-1676.2008.0134.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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40
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Fan TM. The role of bisphosphonates in the management of patients that have cancer. Vet Clin North Am Small Anim Pract 2007; 37:1091-110; vi. [PMID: 17950884 DOI: 10.1016/j.cvsm.2007.08.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Bisphosphonates are pharmacologic agents widely used in people for managing pathologic bone resorptive conditions. Based on their physicochemical properties, bisphosphonates concentrate within areas of active bone remodeling and induce osteoclast apoptosis. Appropriate use of bisphosphonates for treating companion animals requires a thorough understanding of how bisphosphonates exert their biologic effects. This review article highlights general properties of bisphosphonates, including their pharmacology, mechanisms of action, adverse side effects, anticancer mechanisms, surrogate markers for assessing response, and potential clinical utility for treating dogs and cats diagnosed with malignant skeletal tumors.
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Affiliation(s)
- Timothy M Fan
- Department of Veterinary Clinical Medicine, University of Illinois at Urbana-Champaign, 1008 West Hazelwood Drive, Urbana, IL 61802, USA.
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