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Taylor S, Gruen M, KuKanich K, X Lascelles BD, Monteiro BP, Sampietro LR, Robertson S, Steagall PV. 2024 ISFM and AAFP consensus guidelines on the long-term use of NSAIDs in cats. J Feline Med Surg 2024; 26:1098612X241241951. [PMID: 38587872 PMCID: PMC11103309 DOI: 10.1177/1098612x241241951] [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] [Indexed: 04/09/2024]
Abstract
PRACTICAL RELEVANCE Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used and are effective for the management of pain in cats. These Guidelines will support veterinarians in decision-making around prescribing NSAIDs in situations of chronic pain, to minimise adverse effects and optimise pain management. Information is provided on mechanism of action, indications for use, screening prior to prescription, use in the presence of comorbidities, monitoring of efficacy, and avoidance and management of adverse effects. CLINICAL CHALLENGES The cat's unique metabolism should be considered when prescribing any medications, including NSAIDs. Chronic pain may be challenging to detect in this species and comorbidities, particularly chronic kidney disease, are common in senior cats. Management of chronic pain may be complicated by prescription of other drugs with the potential for interactions with NSAIDs. EVIDENCE BASE These Guidelines have been created by a panel of experts brought together by the International Society of Feline Medicine (ISFM) and American Association of Feline Practitioners (AAFP). Information is based on the available literature, expert opinion and the panel members' experience.
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Affiliation(s)
- Samantha Taylor
- Panel ChairInternational Society of Feline Medicine, International Cat Care, Tisbury, Wi Itshire, UK
| | - Margaret Gruen
- Comparative Pain Research Laboratory; and Behavioural Medicine Service - Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, NC, USA
| | - Kate KuKanich
- Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, KS, USA
| | - B Duncan X Lascelles
- Translational Research in Pain (TRiP) Program and Comparative Pain Research and Education Centre (CPREC), North Carolina State University, NC, USA
| | - Beatriz P Monteiro
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Universite de Montreal, Saint-Hyacinthe, QC, Canada
| | | | - Sheilah Robertson
- Lap of Love Veterinary Hospice, Lutz, FL, USA; and Courtesy Lecturer, Shelter Medicine Program, University of Florida, FL, USA
| | - Paulo V Steagall
- Department of Veterinary Clinical Sciences and Centre for Animal Health and Welfare, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, SAR China; and Department of Clinical Sciences, Faculty of Veterinary Medicine, Universite de Montreal, Saint-Hyacinthe, QC, Canada
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2
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Pisack EK, Kleine SA, Hampton CE, Smith CK, Weisent J, DeBolt R, Schumacher C, Bussières G, Seddighi R. Evaluation of the analgesic efficacy of grapiprant compared with robenacoxib in cats undergoing elective ovariohysterectomy in a prospective, randomized, masked, non-inferiority clinical trial. J Feline Med Surg 2024; 26:1098612X241230941. [PMID: 38511293 PMCID: PMC10983605 DOI: 10.1177/1098612x241230941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
OBJECTIVES The main objective of this study was to compare the postoperative analgesic effects of grapiprant with those of robenacoxib in cats undergoing ovariohysterectomy (OVH). METHODS In total, 37 female cats (age range 4 months-10 years, weighing ⩾2.5 kg) were enrolled in a prospective, randomized, masked, non-inferiority (NI) clinical trial. Cats received oral robenacoxib (1 mg/kg) or grapiprant (2 mg/kg) 2 h before OVH. Analgesia was assessed via the Feline Grimace Scale (FGS), the Glasgow Composite Measure Pain Scale-Feline (CMPS-F), von Frey monofilaments (vFFs) and pressure algometry (ALG) 2 h before treatment administration, at extubation, and 2, 4, 6, 8, 18 and 24 hours after extubation. Hydromorphone (<8 h postoperatively) or buprenorphine (>18 h postoperatively) were administered to cats with scores of ⩾5/20 on CMPS-F and/or ⩾4/10 on FGS. NI margins for CMPS-F and vFFs were set at 3 and -0.2, respectively. A mixed-effect ANOVA was used for FGS scores (P <0.05). Data are reported as mean ± SEM. RESULTS The data from 33 cats were analyzed. The upper limit of the 95% confidence interval (CI) (0.35) was less than the NI margin of 3 for CMPS-F, and the lower limit of the 95% CI (0.055) was greater than the NI margin of -0.2 for vFFs, indicating NI of grapiprant. The FGS scores were greater than baseline at extubation for both treatments (1.65 ± 0.63; P = 0.001); however, there was no difference between treatments. There was no difference between treatments, nor treatment by time interaction, for vFFs (P <0.001). The CMPS-F scores for both treatments were higher at extubation but returned to baseline after 4 h (P <0.001). For ALG, there was no difference in treatment or treatment by time interaction. The robenacoxib group had lower pressure readings at extubation and 6 h compared with baseline. CONCLUSIONS AND RELEVANCE These results indicate that grapiprant was non-inferior to robenacoxib for mitigating postsurgical pain in cats after OVH performed via ventral celiotomy. The impact of grapiprant for analgesia in OVH via the flank is unknown.
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Affiliation(s)
- Elizabeth K Pisack
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN, USA
| | - Stephanie A Kleine
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN, USA
| | - Chiara E Hampton
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN, USA
| | - Christopher K Smith
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN, USA
| | - Jennifer Weisent
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN, USA
| | - Rebecca DeBolt
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN, USA
| | - Cambrie Schumacher
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN, USA
| | - Genevieve Bussières
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN, USA
| | - Reza Seddighi
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN, USA
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3
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Soltero-Rivera M, Goldschmidt S, Arzi B. Feline chronic gingivostomatitis current concepts in clinical management. J Feline Med Surg 2023; 25:1098612X231186834. [PMID: 37548475 PMCID: PMC10811996 DOI: 10.1177/1098612x231186834] [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] [Indexed: 08/08/2023]
Abstract
PRACTICAL RELEVANCE Feline chronic gingivostomatitis (FCGS) is a debilitating disease for cats and a challenge for veterinarians and cat caregivers alike. Recent literature indicates that the disease is immune-mediated in nature and likely associated with a chronic viral infection in patients with higher alpha diversity of their subgingival microbiome. The immune-mediated nature of FCGS includes both local as well as systemic effects, and the transcriptomic analysis of affected patients supports these findings. TREATMENT OPTIONS Localized therapy in the form of surgical extraction of all, or nearly all, teeth continues to be the mainstay of treatment. For cats that do not respond to surgical management, medical management, in the form of immunosuppressive or immunomodulatory therapy, remains an option. Analgesia is of fundamental importance. Immunomodulation utilizing mesenchymal stromal cell therapy provides an alternative treatment avenue for refractory patients and likely targets the chronic viral infection present in this disease. The potential for treatment stratification and use of novel systemic treatment options may be revealed as the molecular pathways involved in this disease are better described. AIMS This review outlines current and emerging concepts linking available science pertaining to FCGS and clinical management of the disease. EVIDENCE BASE The article draws on the best evidence base at this juncture and is also driven by the authors' collective experience of working on the disease for over a decade.
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Affiliation(s)
| | - Stephanie Goldschmidt
- Department of Surgical and Radiological Sciences, University of California, Davis, CA, USA
| | - Boaz Arzi
- Department of Surgical and Radiological Sciences, University of California, Davis, CA, USA; and Veterinary Institute for Regenerative Cures, School of Veterinary Medicine, University of California, Davis, CA, USA
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4
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Bonecka J, Skibniewski M, Zep P, Domino M. Knee Joint Osteoarthritis in Overweight Cats: The Clinical and Radiographic Findings. Animals (Basel) 2023; 13:2427. [PMID: 37570234 PMCID: PMC10417339 DOI: 10.3390/ani13152427] [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: 06/29/2023] [Revised: 07/21/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Despite a high prevalence of osteoarthritis (OA) reported in the domesticated cat population, studies on feline knee joint OA are scarcer. Knee joint OA is a painful, age-related, chronic degenerative joint disease that significantly affects cats' activity and quality of life. In dogs and humans, one may consider overweight as a risk factor for the development and progression of knee joint OA; therefore, this study aims to assess the severity of knee joint OA in the body-weight-related groups of cats concerning clinical symptoms and radiographic signs. The study was conducted on sixty-four (n = 64) cats with confirmed OA. The demographic data on sex, neutering, age, and breed were collected. Then, the body condition score (BCS) was assessed, and each cat was allocated to the underweight, normal-weight, or overweight group. Within clinical symptoms, joint pain, joint swelling, joint deformities, lameness, reluctance to move, and apathy were graded. Based on the radiographic signs, minor OA, mild OA, moderate OA, and severe OA were scored. Prevalence and co-occurrence of the studied variables were then assessed. Joint pain was elicited in 20-31% of the OA-affected joints, joint deformities in 21-30%, and lameness in 20-54%, with no differences between weight-related groups. Severe OA was detected in 10-16% of the OA-affected joints, with no differences between weight-related groups. Severe OA in feline knee joints appears with similar frequency in overweight, underweight, and normal-weight cats. However, the general prevalence of clinical symptoms and radiographic signs is different in overweight cats.
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Affiliation(s)
- Joanna Bonecka
- Department of Small Animal Diseases and Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences (WULS-SGGW), 02-787 Warsaw, Poland
| | - Michał Skibniewski
- Department of Morphological Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences (WULS-SGGW), 02-787 Warsaw, Poland
| | - Paweł Zep
- OchWET Veterinary Clinic, 02-119 Warszawa, Poland
| | - Małgorzata Domino
- Department of Large Animal Diseases and Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences (WULS-SGGW), 02-787 Warsaw, Poland
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5
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Deabold K, Montalbano C, Miscioscia E. Feline Osteoarthritis Management. Vet Clin North Am Small Anim Pract 2023; 53:879-896. [PMID: 36964025 DOI: 10.1016/j.cvsm.2023.02.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2023]
Abstract
Feline osteoarthritis is common; despite vague clinical signs, it can result in mobility impairment and quality of life concerns. An integrative approach to management may include analgesic medications, dietary modifications, nutraceuticals, environmental modifications, physical rehabilitation, acupuncture, and regenerative medicine. Management of concurrent disease and consideration for patient tolerance and owner compliance are critical in formulating a treatment plan in cats with osteoarthritis.
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Affiliation(s)
- Kelly Deabold
- Department of Comparative, Diagnostic and Population Medicine, College of Veterinary Medicine, University of Florida, 2015 SW 16th Avenue, Gainesville, FL 32608, USA
| | | | - Erin Miscioscia
- Department of Comparative, Diagnostic and Population Medicine, College of Veterinary Medicine, University of Florida, 2015 SW 16th Avenue, Gainesville, FL 32608, USA.
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6
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Jacobs CC, Schnabel LV, McIlwraith CW, Blikslager AT. Non-steroidal anti-inflammatory drugs in equine orthopaedics. Equine Vet J 2022; 54:636-648. [PMID: 35076950 PMCID: PMC9304133 DOI: 10.1111/evj.13561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 01/11/2022] [Accepted: 01/20/2022] [Indexed: 11/29/2022]
Abstract
Orthopaedic disorders are commonly encountered in equine veterinary medicine, and non-steroidal anti-inflammatory drugs (NSAIDs) play an important role in the management of many equine orthopaedic disorders. There are multiple NSAIDs available for use in horses, including both non-selective and selective NSAIDS, and the body of literature evaluating the efficacy of these medications, their effects on normal and inflamed musculoskeletal tissues, and their side effects is broad. This review aims to summarise the current literature on the use of NSAIDs for equine orthopaedic disorders and examines new and future avenues for the management of inflammation in equine orthopaedics.
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Affiliation(s)
- Carrie C. Jacobs
- Department of Clinical SciencesNorth Carolina State UniversityRaleighNorth CarolinaUSA
| | - Lauren V. Schnabel
- Department of Clinical SciencesNorth Carolina State UniversityRaleighNorth CarolinaUSA
| | - C. Wayne McIlwraith
- C. Wayne McIlwraith Translational Medicine Institute (TMI)Colorado State UniversityFort CollinsColoradoUSA
| | - Anthony T. Blikslager
- Department of Clinical SciencesNorth Carolina State UniversityRaleighNorth CarolinaUSA
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7
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Stoneburner RM, Howard J, Gurian EM, Jones SC, Karlin WM, Kieves NR. Conservative nonsurgical treatment for cranial cruciate ligament disease can be an effective management strategy in cats based on validated owner-based subjective assessment in some cases. J Am Vet Med Assoc 2022; 260:1471-1474. [DOI: 10.2460/javma.22.01.0009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
OBJECTIVE
To describe long-term outcomes of cats managed medically for cranial cruciate ligament disease (CCLD) via a validated owner-based questionnaire.
ANIMALS
18 client-owned cats.
PROCEDURES
Retrospective review of medical records at 2 tertiary referral hospitals was conducted for records of cats diagnosed with CCLD for which medical management was pursued. History, physical examination findings, and medical management strategies were recorded. Owner follow-up was obtained via phone call or an email correspondence interview using a 2-part questionnaire. Part 1 consisted of 5 multiple-choice questions evaluating short-term outcomes following initiation of medical management. Part 2 assessed long-term outcomes via the validated Feline Musculoskeletal Pain Index—short form metrology instrument.
RESULTS
Mean follow-up time was 66.5 ± 46.7 months (range, 7 to 154 months). Medical management included oral analgesics, activity restriction, and joint supplements. Of the 18 cats, 13 (72%) were always able to bear weight or became weight bearing within a week following initiation of medical management, and 15 (83%) were reportedly clinically normal within 3 months of initiating medical management, with complete resolution of lameness occurring in less than 2 months in 12 of those cats. Long term, 17 of the 18 (94%) owners reported they felt that their cat had a good to excellent outcome with medical management. The mean Feline Musculoskeletal Pain Index—short form score of all cats was 0.29 ± 0.53 (range, 0 to 2.13).
CLINICAL RELEVANCE
Based on owner follow-up, conservative, nonsurgical management of CCLD can be an effective and appropriate management strategy for some cats; however, some may be best treated with surgical stabilization.
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Affiliation(s)
- Regan M. Stoneburner
- Department of Veterinary Clinical Sciences, The Ohio State University Veterinary Medical Center, Columbus, OH
| | - James Howard
- Department of Veterinary Clinical Sciences, The Ohio State University Veterinary Medical Center, Columbus, OH
| | - Eva M. Gurian
- Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, Medford, MA
| | - Stephen C. Jones
- Department of Veterinary Clinical Sciences, The Ohio State University Veterinary Medical Center, Columbus, OH
| | - William M. Karlin
- Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, Medford, MA
| | - Nina R. Kieves
- Department of Veterinary Clinical Sciences, The Ohio State University Veterinary Medical Center, Columbus, OH
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8
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Lees P, Toutain PL, Elliott J, Giraudel JM, Pelligand L, King JN. Pharmacology, safety, efficacy and clinical uses of the COX-2 inhibitor robenacoxib. J Vet Pharmacol Ther 2022; 45:325-351. [PMID: 35460083 PMCID: PMC9541287 DOI: 10.1111/jvp.13052] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 02/23/2022] [Accepted: 03/06/2022] [Indexed: 12/14/2022]
Abstract
Robenacoxib is a veterinary‐approved non‐steroidal anti‐inflammatory drug (NSAID) of the coxib group. It possesses anti‐hyperalgesic, anti‐inflammatory and anti‐pyretic properties. Robenacoxib inhibits the cyclooxygenase (COX)‐2 isoform of COX selectively (in vitro IC50 ratios COX‐1:COX‐2, 129:1 in dogs, 32:1 in cats). At registered dosages (2 mg/kg subcutaneously in dogs and cats, 1–4 mg/kg orally in dogs and 1–2.4 mg/kg orally in cats), robenacoxib produces significant inhibition of COX‐2 whilst sparing COX‐1. The pharmacokinetic (PK) profile of robenacoxib is characterized by a high degree of binding to plasma proteins (>98%) and moderate volume of distribution (at steady state, 240 ml/kg in dogs and 190 ml/kg in cats). In consequence, the terminal half‐life in blood (<2 h) is short, despite moderate body clearance (0.81 L/kg/h) in dogs and low clearance (0.44 L/kg/h) in cats. Excretion is principally in the bile (65% in dogs and 72% in cats). Robenacoxib concentrates in inflamed tissues, and clinical efficacy is achieved with once‐daily dosing, despite the short blood terminal half‐life. In dogs, no relevant breed differences in robenacoxib PK have been detected. Robenacoxib has a wide safety margin; in healthy laboratory animals daily oral doses 20‐fold (dog, 1 month), eight‐fold (cat, 6 weeks) and five‐fold (dog, 6 months) higher than recommended clinical doses were well tolerated. Clinical efficacy and safety have been demonstrated in orthopaedic and soft tissue surgery, and in musculoskeletal disorders in dogs and cats.
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Affiliation(s)
- Peter Lees
- Royal Veterinary College, University of London, London, UK
| | - Pierre-Louis Toutain
- Royal Veterinary College, University of London, London, UK.,INTHERES, INRA, ENVT, Université de Toulouse, Toulouse, France
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Gruen ME, Lascelles BDX, Colleran E, Gottlieb A, Johnson J, Lotsikas P, Marcellin-Little D, Wright B. 2022 AAHA Pain Management Guidelines for Dogs and Cats. J Am Anim Hosp Assoc 2022; 58:55-76. [PMID: 35195712 DOI: 10.5326/jaaha-ms-7292] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
These updated guidelines present a practical and logical approach to the assessment and management of acute and chronic pain in canine and feline patients. Recognizing pain is fundamental to successful treatment, and diagnostic guides and algorithms are included for assessment of both acute and chronic pain. Particularly for chronic pain, capturing owner evaluation is important, and pain-assessment instruments for pet owners are described. Expert consensus emphasizes proactive, preemptive pain management rather than a reactive, "damage control" approach. The guidelines discuss treatment options centered on preemptive, multimodal analgesic therapies. There is an extensive variety of pharmacologic and nonpharmacologic therapeutic options for the management of acute and chronic pain in cats and dogs. The guidelines include a tiered decision tree that prioritizes the use of the most efficacious therapeutic modalities for the treatment of acute and chronic pain.
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Affiliation(s)
- Margaret E Gruen
- North Carolina State University, Department of Clinical Sciences (M.E.G.)
| | - B Duncan X Lascelles
- North Carolina State University, Translational Research in Pain, Department of Clinical Sciences (B.D.X.L.)
| | | | | | | | | | - Denis Marcellin-Little
- University of California, Davis, Department of Surgical and Radiological Sciences (D.M-L.)
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10
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Drug-Dosing Adjustment in Dogs and Cats with Chronic Kidney Disease. Animals (Basel) 2022; 12:ani12030262. [PMID: 35158584 PMCID: PMC8833495 DOI: 10.3390/ani12030262] [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: 11/20/2021] [Revised: 01/13/2022] [Accepted: 01/18/2022] [Indexed: 11/17/2022] Open
Abstract
Chronic kidney disease is a common kidney disorder in adult and aged dogs and cats; the management of associated complications and comorbidities generally requires a life-long medical treatment to ensure a good quality of life of affected patients. However, indications and the literature on drug dosing in dogs and cats with chronic kidney disease are often lacking. The aim of this review is to revise the current literature on drug dosing in canine and feline patients with renal impairment, with a special focus on the most commonly used medications to manage chronic kidney disease and possible comorbidities.
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Gruen ME, Myers JAE, Tena JS, Becskei C, Cleaver DM, Lascelles BDX. Frunevetmab, a felinized anti-nerve growth factor monoclonal antibody, for the treatment of pain from osteoarthritis in cats. J Vet Intern Med 2021; 35:2752-2762. [PMID: 34724255 PMCID: PMC8692178 DOI: 10.1111/jvim.16291] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 10/06/2021] [Accepted: 10/12/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Frunevetmab, a felinized antinerve growth factor monoclonal antibody, effectively decreases osteoarthritis (OA) pain in cats. OBJECTIVE To evaluate the efficacy of frunevetmab given at monthly intervals in a randomized, placebo-controlled, parallel-group, double-blind superiority study. ANIMALS Two hundred seventy-five client-owned cats with naturally-occurring OA pain and associated mobility impairment and disability. METHODS Randomized, placebo-controlled, parallel-group, double-blind, superiority study. Following screening, cats received frunevetmab (nominal dose of 1.0 mg/kg, SC [effective dose range of 1.0-2.8 mg/kg]) or placebo on days 0, 28, and 56. Outcome measures were owner questionnaires and veterinary physical and orthopedic evaluations at days 28, 56, and 84. Success/failure rates (and numbers needed treat, NNT) and change in scores (and standardized effect size, ES) were analyzed. RESULTS Frunevetmab (182) and placebo (93) treated cats were enrolled and received at least 1 treatment. Significant improvement with frunevetmab over placebo occurred at days 28 and 56 for the client specific outcome measures (CSOM) questionnaire (success rates and total scores [NNT of 9 and ES of 0.3 at day 56]); at days 28 and 56 for owner-assessed global treatment response; and at days 56 and 84 for veterinarian-assessed joint pain (ES of 0.18 at day 56). Adverse events did not differ between groups, except skin disorders which collectively occurred significantly more frequently in frunevetmab treated (32/182 cats) vs placebo (8/93 cats). CONCLUSIONS AND CLINICAL IMPORTANCE Frunevetmab has the potential to address a critical gap in the treatment of pain because of osteoarthritis in cats.
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Affiliation(s)
- Margaret E. Gruen
- Translational Research in Pain (TRiP) Program, Department of Clinical Sciences, College of Veterinary MedicineNorth Carolina State UniversityRaleighNorth CarolinaUSA
- Behavioral Medicine, Department of Clinical Sciences, College of Veterinary MedicineNorth Carolina State UniversityRaleighNorth CarolinaUSA
- Comparative Pain Research and Education CenterNorth Carolina State UniversityRaleighNorth CarolinaUSA
| | - Jamie A. E. Myers
- Veterinary Medicine Research and DevelopmentZoetis IncKalamazooMichiganUSA
| | | | - Csilla Becskei
- Veterinary Medicine Research and DevelopmentZoetis Belgium SAZaventemBelgium
| | - Dawn M. Cleaver
- Veterinary Medicine Research and DevelopmentZoetis IncKalamazooMichiganUSA
| | - B. Duncan X. Lascelles
- Translational Research in Pain (TRiP) Program, Department of Clinical Sciences, College of Veterinary MedicineNorth Carolina State UniversityRaleighNorth CarolinaUSA
- Comparative Pain Research and Education CenterNorth Carolina State UniversityRaleighNorth CarolinaUSA
- Thurston Arthritis CenterUNC School of MedicineChapel HillNorth CarolinaUSA
- Center for Translational Pain Research, Department of AnesthesiologyDuke UniversityDurhamNorth CarolinaUSA
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12
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King JN, Seewald W, Forster S, Friton G, Adrian DE, Lascelles BDX. Clinical safety of robenacoxib in cats with chronic musculoskeletal disease. J Vet Intern Med 2021; 35:2384-2394. [PMID: 34196973 PMCID: PMC8478032 DOI: 10.1111/jvim.16148] [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: 05/13/2020] [Accepted: 04/23/2021] [Indexed: 11/29/2022] Open
Abstract
Background Evaluate the clinical safety of robenacoxib in cats with chronic musculoskeletal disease (CMSD). Animals Four hundred forty‐nine client‐owned cats with CMSD. Methods Pooled analysis of safety variables from 4 prospective randomized blinded clinical trials of robenacoxib (n = 222) versus placebo (n = 227), administered orally once daily for 4 to 12 weeks. Safety was evaluated from reported adverse events (AEs) and abnormalities detected on hematology and serum and urine chemistry analyses. Results The number of cats with at least 1 AE was not significantly different (P = .15) with robenacoxib (n = 106, 47.8%) compared to placebo (n = 93, 41.0%). The relative risk of at least 1 AE (incidence robenacoxib/placebo) was 1.15 (95% confidence interval 0.93‐1.43). There was no significant difference between groups in the number of clinical signs (range, 0‐9) per cat (P = .23). Serum creatinine concentrations were higher during robenacoxib administration compared to placebo (+4.36 μmol/L, 95% confidence interval 0.21‐8.50), but no related adverse clinical effects were detected. In the subgroup of 126 cats with evidence of chronic kidney disease, the relative risk of at least 1 AE (robenacoxib/placebo) was 1.09 (95% confidence interval 0.78‐1.52, P = .61). Conclusions and Clinical Importance Robenacoxib was not associated with increased risk of AEs compared to placebo when administered for 4 to 12 weeks to cats with CMSD. The generalizability of the results to general practice is limited by the fact that cases with severe and uncontrolled concomitant diseases were not included.
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Affiliation(s)
- Jonathan N King
- Elanco Animal Health, Companion Animal Development, Basel, Switzerland
| | - Wolfgang Seewald
- Elanco Animal Health, Companion Animal Development, Basel, Switzerland
| | - Sophie Forster
- Elanco Animal Health, Companion Animal Development, Basingstoke, UK
| | - Gabriele Friton
- Elanco Animal Health, Companion Animal Development, Basel, Switzerland
| | - Derek E Adrian
- Translational Research in Pain Program, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA.,Comparative Pain Research and Education Center, North Carolina State University, Raleigh, North Carolina, USA
| | - B Duncan X Lascelles
- Translational Research in Pain Program, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA.,Comparative Pain Research and Education Center, North Carolina State University, Raleigh, North Carolina, USA.,Thurston Arthritis Center, UNC School of Medicine, Chapel Hill, North Carolina, USA.,Center for Translational Pain Research, Department of Anesthesiology, Duke University, Durham, North Carolina, USA
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13
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Ray M, Carney HC, Boynton B, Quimby J, Robertson S, St Denis K, Tuzio H, Wright B. 2021 AAFP Feline Senior Care Guidelines. J Feline Med Surg 2021; 23:613-638. [PMID: 34167339 PMCID: PMC10812122 DOI: 10.1177/1098612x211021538] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The '2021 AAFP Feline Senior Care Guidelines' are authored by a Task Force of experts in feline clinical medicine and serve as an update and extension of those published in 2009. They emphasize the individual patient evaluation and the process of aging, with references to other feline practice guidelines for a more complete discussion of specific diseases. Focusing on each cat encourages and empowers the owner to become a part of the cat's care every step of the way. A comprehensive discussion during the physical examination and history taking allows for tailoring the approach to both the cat and the family involved in the care. Videos and analysis of serial historical measurements are brought into the assessment of each patient. These Guidelines introduce the emerging concept of frailty, with a description and methods of its incorporation into the senior cat assessment. Minimum database diagnostics are discussed, along with recommendations for additional investigative considerations. For example, blood pressure assessment is included as a minimum diagnostic procedure in both apparently healthy and ill cats. Cats age at a much faster rate than humans, so practical timelines for testing frequency are included and suggest an increased frequency of diagnostics with advancing age. The importance of nutrition, as well as senior cat nutritional needs and deficiencies, is considered. Pain is highlighted as its own syndrome, with an emphasis on consideration in every senior cat. The Task Force discusses anesthesia, along with strategies to allow aging cats to be safely anesthetized well into their senior years. The medical concept of quality of life is addressed with the latest information available in veterinary medicine. This includes end of life considerations like palliative and hospice care, as well as recommendations on the establishment of 'budgets of care', which greatly influence what can be done for the individual cat. Acknowledgement is given that each cat owner will be different in this regard; and establishing what is reasonable and practical for the individual owner is important. A discussion on euthanasia offers some recommendations to help the owner make a decision that reflects the best interests of the individual cat.
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Affiliation(s)
| | - Hazel C Carney
- WestVet Emergency and Specialty Center, Garden City, ID, USA
| | - Beth Boynton
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA, USA
| | - Jessica Quimby
- The Ohio State University, Department of Veterinary Clinical Sciences, Columbus, OH, USA
| | - Sheilah Robertson
- Senior Medical Director, Lap of Love Veterinary Hospice, Lutz, FL, USA
| | | | - Helen Tuzio
- Forest Hills Cat Hospital, Middle Village, NY, USA
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14
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Gruen ME, Myers JAE, Lascelles BDX. Efficacy and Safety of an Anti-nerve Growth Factor Antibody (Frunevetmab) for the Treatment of Degenerative Joint Disease-Associated Chronic Pain in Cats: A Multisite Pilot Field Study. Front Vet Sci 2021; 8:610028. [PMID: 34124212 PMCID: PMC8195238 DOI: 10.3389/fvets.2021.610028] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 04/06/2021] [Indexed: 01/21/2023] Open
Abstract
Background: Pain management for cats with degenerative joint disease (DJD) remains a critical unmet need. Recent work has shown promise for a feline-specific anti-nerve growth factor monoclonal antibody (frunevetmab) to deliver safe and effective pain management. Our objectives were to evaluate the efficacy and safety of frunevetmab administered twice using two administration routes (subcutaneous and intravenous) compared to placebo. Methods: This was a randomized placebo-controlled, double-masked study. After a week-long pain and activity baseline, 126 cats were randomized to receive injections of frunevetmab (IV then SC; n = 42 or SC then SC; n = 43) or placebo (IV then SC; n = 41) on Days 0 and 28. Owners completed questionnaires on Days 14, 28, 42, and 56. Accelerometry data were collected continuously throughout. Results: Owner questionnaire results showed significant improvement in frunevetmab-treated cats [compared to placebo; (p < 0.05)] at Days 42 and 56; no difference was found between routes of administration for frunevetmab. All groups had decreased objectively measured weekly activity from baseline; frunevetmab-treated cats had a mean decrease of 0.9%, while placebo-treated cats had a mean decrease of 9.3%. Treatments were generally well-tolerated. The majority of adverse events included dermatitis/alopecia related to activity-monitor collars; these occurred in a higher percentage of frunevetmab, compared to placebo, treated cats. Conclusions and Clinical Relevance: Treatment with frunevetmab provided improvements in owner ratings of mobility over treatment with placebo; these results were supported by objectively measured accelerometry. Frunevetmab has the potential to address a critical gap in the treatment of chronic pain in cats.
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Affiliation(s)
- Margaret E. Gruen
- Translational Research in Pain Program, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States
- Behavioral Medicine, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States
- Comparative Pain Research and Education Center, North Carolina State University, Raleigh, NC, United States
| | - Jamie A. E. Myers
- Veterinary Medicine Research and Development, Zoetis, Inc., Kalamazoo, MI, United States
| | - B. Duncan X. Lascelles
- Translational Research in Pain Program, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States
- Comparative Pain Research and Education Center, North Carolina State University, Raleigh, NC, United States
- Thurston Arthritis Center, University of North Carolina (UNC) School of Medicine, Chapel Hill, NC, United States
- Department of Anesthesiology, Center for Translational Pain Research, Duke University, Durham, NC, United States
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15
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Adrian D, King JN, Parrish RS, King SB, C Budsberg S, Gruen ME, Lascelles BDX. Robenacoxib shows efficacy for the treatment of chronic degenerative joint disease-associated pain in cats: a randomized and blinded pilot clinical trial. Sci Rep 2021; 11:7721. [PMID: 33833276 PMCID: PMC8032665 DOI: 10.1038/s41598-021-87023-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 03/23/2021] [Indexed: 12/29/2022] Open
Abstract
The main objective of this pilot clinical trial was to evaluate outcome measures for the assessment of the nonsteroidal anti-inflammatory drug (NSAID) robenacoxib in cats with degenerative joint disease-associated pain (DJD-pain). Otherwise healthy cats (n = 109) with DJD-pain entered a parallel group, randomized, blinded clinical trial. Cats received placebo (P) or robenacoxib (R) for two consecutive 3-week periods. Treatment groups were PP, RR, and RP. Actimetry and owner-assessment data were collected. Data were analyzed using mixed-effects and generalized mixed-effects linear models. Activity data showed high within-cat and between-cat variability, and 82.4% of the values were zero. Compared to placebo, mean total activity was higher (5.7%) in robenacoxib-treated cats (p = 0.24); for the 80th percentile of activity, more robenacoxib-treated cats had a > 10% increase in activity after 3 (p = 0.046) and 6 weeks (p = 0.026). Robenacoxib treatment significantly decreased owner-assessed disability, (p = 0.01; 49% reduction in disability; effect size ~ 0.3), and improved temperament (p = 0.0039) and happiness (p = 0.021) after 6 weeks. More robenacoxib-treated cats were successes at 6 weeks (p = 0.018; NNT: 3.8). Adverse effect frequencies were similar across groups. Results identified suitable endpoints for confirmatory studies, while also indicating efficacy of robenacoxib in cats with DJD-pain.
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Affiliation(s)
- Derek Adrian
- Translational Research in Pain (TRiP) Program, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA
- Elanco Animal Health, Greenfield, USA
| | - Jonathan N King
- Elanco Animal Health, Companion Animal Development, Basel, Switzerland
| | - Rudolph S Parrish
- Elanco Animal Health, Companion Animal Development, Greenfield, IN, USA
- Vista Research LLC, Bath, ME, USA
| | - Stephen B King
- Elanco Animal Health, Companion Animal Development, Greenfield, IN, USA
| | - Steven C Budsberg
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Margaret E Gruen
- Translational Research in Pain (TRiP) Program, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA
- Behavioral Medicine, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA
- Comparative Pain Research and Education Centre, North Carolina State University, Raleigh, NC, USA
| | - B Duncan X Lascelles
- Translational Research in Pain (TRiP) Program, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA.
- Comparative Pain Research and Education Centre, North Carolina State University, Raleigh, NC, USA.
- Department of Anesthesiology, Center for Translational Pain Research, Duke University, Durham, NC, USA.
- Thurston Arthritis Center, UNC School of Medicine, Chapel Hill, NC, USA.
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16
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KuKanich K, George C, Roush JK, Sharp S, Farace G, Yerramilli M, Peterson S, Grauer GF. Effects of low-dose meloxicam in cats with chronic kidney disease. J Feline Med Surg 2021; 23:138-148. [PMID: 32594827 PMCID: PMC10741344 DOI: 10.1177/1098612x20935750] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVES Meloxicam therapy may benefit cats with degenerative joint disease, and retrospective studies suggest it could slow kidney disease progression and increase survival. This study aimed to prospectively evaluate the renal effects of low-dose meloxicam treatment (0.02 mg/kg/day) over 6 months in cats with chronic kidney disease (CKD). METHODS Twenty-one cats with stable International Renal Interest Society stage 2 or 3 CKD were recruited and randomized to placebo or meloxicam groups. Cats were evaluated at baseline and at 1, 3 and 6 months, including blood pressure, chemistry, symmetric dimethylarginine (SDMA), glomerular filtration rate (GFR), urinalysis, urine protein:creatinine ratio (UPC), urine transforming growth factor-beta (β):creatinine ratio, urine clusterin, urine cystatin B and serum inosine. RESULTS No statistical difference was observed in systolic blood pressure, blood urea nitrogen, creatinine, SDMA, GFR, urine transforming growth factor-β:creatinine ratio, urine clusterin, urine cystatin B or serum inosine in cats receiving meloxicam vs placebo. Mean UPC was greater in the meloxicam group (0.33) than the placebo group (0.1) at 6 months (P = 0.006). Four cats had meloxicam discontinued owing to potential (mainly gastrointestinal) adverse effects. CONCLUSIONS AND RELEVANCE No decline in renal excretory function was observed when meloxicam was administered to cats with CKD. However, gastrointestinal adverse effects were observed, and cats that received meloxicam had greater proteinuria at 6 months than cats that received placebo. As proteinuria is associated with negative outcomes (progression of azotemia and hypertension) in cats with CKD, this finding suggests that meloxicam should be used with caution in cats with CKD and UPC monitored. Until further research is available, clinicians should weigh the risk of potential increased proteinuria against quality of life benefits when considering meloxicam for analgesia in cats with renal disease.
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Affiliation(s)
- Kate KuKanich
- Department of Clinical Sciences, College
of Veterinary Medicine, Kansas State University, Manhattan, KS, USA
| | - Christopher George
- Department of Clinical Sciences, College
of Veterinary Medicine, Kansas State University, Manhattan, KS, USA
- Blue Pearl Veterinary Partners, Tacoma,
WA, USA
| | - James K Roush
- Department of Clinical Sciences, College
of Veterinary Medicine, Kansas State University, Manhattan, KS, USA
| | - Sherry Sharp
- Department of Clinical Sciences, College
of Veterinary Medicine, Kansas State University, Manhattan, KS, USA
| | | | | | | | - Gregory F Grauer
- Department of Clinical Sciences, College
of Veterinary Medicine, Kansas State University, Manhattan, KS, USA
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17
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Dowgray N, Comerford E. Feline musculoskeletal ageing: How are we diagnosing and treating musculoskeletal impairment? J Feline Med Surg 2020; 22:1069-1083. [PMID: 33100170 PMCID: PMC10814220 DOI: 10.1177/1098612x20965832] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PRACTICAL RELEVANCE An understanding of the process of musculoskeletal ageing - which all senior and geriatric cats will experience - is vital to maintaining the health and welfare of our ageing cat population. CLINICAL CHALLENGES Assessment of the feline musculoskeletal system is not always straightforward. Diagnosis of impairment relies on input from owners and veterinarians in terms of visual observation, and clinical and orthopaedic examination, in addition to diagnostic imaging. AUDIENCE This review is written for the primary care veterinary team. AIMS The goals are to raise awareness and improve clinical diagnosis of musculoskeletal impairment as a result of ageing. The article also reviews therapeutic options and considers the evidence available for the prevention/deceleration of musculoskeletal ageing and impairment. EVIDENCE BASE There is good evidence of a high prevalence of osteoarthritis (OA) and degenerative joint disease (DJD) in older cats. There is also good evidence to indicate that functional impairment and chronic pain are sequelae of musculoskeletal disease. However, there is a paucity of information for what is best practice for the management and treatment of musculoskeletal impairment in a clinical situation. There is also a lack of evidence on how prevention of central stimulation of the nervous system caused by musculoskeletal impairment and, in turn the development of chronic pain, can be avoided.
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Affiliation(s)
| | - Eithne Comerford
- Institute of Life Course and Medical Sciences and School of Veterinary Science, University of Liverpool, UK
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18
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Heit MC, Stallons LJ, Seewald W, Thompson CM, Toutain CE, King SB, Helbig R. Safety evaluation of the interchangeable use of robenacoxib in commercially-available tablets and solution for injection in cats. BMC Vet Res 2020; 16:355. [PMID: 32988403 PMCID: PMC7520961 DOI: 10.1186/s12917-020-02553-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 08/31/2020] [Indexed: 11/18/2022] Open
Abstract
Background Robenacoxib (Onsior™) is a non-steroidal anti-inflammatory drug developed for canine and feline use for the control of pain and inflammation. It is available as both tablets and solution for injection. The objective of this study was to evaluate the safety of the interchangeable use of commercially available robenacoxib formulations when administered to cats orally using 6 mg tablets and subcutaneously using a solution for injection containing 20 mg/mL. Thirty-four naïve healthy 4-month old cats were enrolled in this 37-day study and were randomized to four groups (three robenacoxib and one control). One robenacoxib group received the maximum recommended dose (MRD) rate of each formulation, while the other two received two and three times this dose rate. The cats underwent three 10-day treatment cycles comprised of seven days of once daily oral administration followed by three days of subcutaneous administration. The third cycle was followed by an additional seven days of oral treatment. The control group received oral empty gelatin capsules or subcutaneous saline injections. Assessment of safety was based on general health observations, clinical observations, physical, ophthalmic, electrocardiographic and neurological examinations, clinical pathology evaluations, food consumption, body weight, and macroscopic and microscopic examinations. Blood samples were collected for toxicokinetic evaluation. Results Blood concentrations of robenacoxib confirmed systemic exposure of all treated cats. All cats were in good health through study termination and there were no serious adverse events during the study. There were no changes in body weight, food consumption, ophthalmic, physical or neurological examinations during the study. Treatment-related abnormalities were of low occurrence at all doses and included injection site changes (transient edema with minimal or mild, subacute/chronic inflammation histologically) and prolongation of the QT interval. These findings were consistent with previously observed findings in studies with robenacoxib administered separately orally or subcutaneously in cats. Thus, there were no adverse effects that could be attributed specifically to the interchangeable use of oral and injectable robenacoxib. Conclusions This 37-day laboratory study supports the safety of interchanging robenacoxib injection at a daily dose of 2 mg/kg with robenacoxib tablets at a daily dose of 1 mg/kg, or vice versa.
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Affiliation(s)
- Mark C Heit
- Elanco Animal Health, 2500 Innovation Way, Greenfield, IN, 64140, USA.
| | - L Jay Stallons
- Elanco Animal Health, 2500 Innovation Way, Greenfield, IN, 64140, USA
| | - Wolfgang Seewald
- Elanco Animal Health, Mattenstrasse 24a, CH-4058, Basel, Switzerland
| | - Caryn M Thompson
- Elanco Animal Health, 2500 Innovation Way, Greenfield, IN, 64140, USA
| | - Céline E Toutain
- Elanco Animal Health, Mattenstrasse 24a, CH-4058, Basel, Switzerland
| | - Stephen B King
- Elanco Animal Health, 2500 Innovation Way, Greenfield, IN, 64140, USA
| | - Rainer Helbig
- Elanco Animal Health, Mattenstrasse 24a, CH-4058, Basel, Switzerland
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19
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Chun N, Canapp S, Carr BJ, Wong V, Curry J. Validation and Characterization of Platelet-Rich Plasma in the Feline: A Prospective Analysis. Front Vet Sci 2020; 7:512. [PMID: 32851053 PMCID: PMC7431485 DOI: 10.3389/fvets.2020.00512] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 07/03/2020] [Indexed: 12/17/2022] Open
Abstract
Objective: To quantitate key parameters of the platelet-rich plasma (PRP) product from a commercially available system1 in healthy, adult felines. Materials and methods: A prospective study was performed from January 2019 to April 2019. 11 adult, healthy cats were used to prospectively analyze a commercially available PRP system1. A whole blood sample and a PRP sample that was processed immediately following blood draw according to the manufacturer's protocol were collected from each cat. The mean whole blood and PRP product platelet, RBC, WBC, neutrophil, monocyte, and lymphocyte concentrations were determined. The mean PRP product values were compared to the mean whole blood baseline values using a paired t-test with significance established at p = 0.05. Results: Mean platelet concentration was significantly increased (p = 0.0155). Mean RBC concentration was significantly decreased (p < 0.0001). Mean neutrophil concentration was significantly decreased (p < 0.0001). There was no statistically significant difference in mean WBC, monocyte, and lymphocyte concentrations. Clinical Relevance: The analyzed PRP system increased platelet concentration, while significantly reducing the RBC and neutrophil concentrations. Further study is warranted to determine the clinical applications and efficacy of PRP in felines, and the ideal concentrations of and relationships between platelets, red blood cells, and leukocytes needed for therapeutic effect.
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Affiliation(s)
- Nicole Chun
- Veterinary Orthopedic and Sports Medicine, Annapolis Junction, MD, United States
| | - Sherman Canapp
- Veterinary Orthopedic and Sports Medicine, Annapolis Junction, MD, United States.,Orthobiologic Innovations, LLC, Annapolis Junction, MD, United States
| | - Brittany Jean Carr
- Veterinary Orthopedic and Sports Medicine, Annapolis Junction, MD, United States
| | - Valerie Wong
- IDEXX BioResearch, West Sacramento, CA, United States
| | - Jeff Curry
- Orthobiologic Innovations, LLC, Annapolis Junction, MD, United States
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20
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Scherk M. Complex Disease Management: Managing a Cat with Comorbidities. Vet Clin North Am Small Anim Pract 2020; 50:811-822. [PMID: 32389353 DOI: 10.1016/j.cvsm.2020.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Many older cats often suffer concurrently from multiple conditions. By focusing on the common concerns, rather than conflicting requirements, a management program can be devised. Optimize hydration, nutrition, and ensure comfort though providing analgesia and a low-stress environment in which the patient's feline-specific nature is respected both in the clinic and at home. Additional requirements, such as hyperphosphatemia or hypokalemia, can be met using treatments outside of diet, if necessary.
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21
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Abstract
This article reviews the mechanisms of action, clinical use, and recent scientific evidence for the use of nonsteroidal antiinflammatory drugs, grapiprant, acetaminophen (paracetamol), metamizole (dipyrone), and corticosteroids in pain management. The discussion is presented with an emphasis on the treatment of acute pain.
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22
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Monteiro B, Steagall PVM, Lascelles BDX, Robertson S, Murrell JC, Kronen PW, Wright B, Yamashita K. Long-term use of non-steroidal anti-inflammatory drugs in cats with chronic kidney disease: from controversy to optimism. J Small Anim Pract 2019; 60:459-462. [PMID: 31081136 DOI: 10.1111/jsap.13012] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/16/2019] [Accepted: 03/28/2019] [Indexed: 11/29/2022]
Abstract
This is the first of a series of capsule reviews published by the World Small Animal Veterinary Association - Global Pain Council (WSAVA-GPC). Each of these short articles provides a brisk assessment of the scientific evidence in specific aspects of pain management, including analgesic techniques, recommendations and controversies surrounding their use. In this first capsule review, the scientific evidence available on the long-term use of non-steroidal anti-inflammatory drugs in cats with concomitant chronic pain and chronic kidney disease is discussed.
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Affiliation(s)
- B Monteiro
- Clinical Sciences, University of Montreal, Montreal, Quebec, J2S 2M2, Canada
| | - P V M Steagall
- Clinical Sciences, University of Montreal, Montreal, Quebec, J2S 2M2, Canada
| | - B D X Lascelles
- Translational Research in Pain Program, Comparative Pain Research and Education Center, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, 27606, USA
| | - S Robertson
- Lap of Love Veterinary Hospice, 1780 N US Highway 41, Lutz, FL 33549, USA
| | - J C Murrell
- Highcroft Veterinary Referrals, Whitchurch, Bristol, BS14 9BE, UK
| | - P W Kronen
- Veterinary Anaesthesia Service - International, Winterthur 8400, Switzerland
| | - B Wright
- Mistral Vet, Fort Collins, Colorado 80534, USA
| | - K Yamashita
- Small Animal Clinical Sciences, Rakuno Gakuen University, Ebetsu, Hokkaido 069-8501, Japan
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23
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Watanabe R, Monteiro BP, Evangelista MC, Castonguay A, Edge D, Steagall PV. The analgesic effects of buprenorphine (Vetergesic or Simbadol) in combination with carprofen in dogs undergoing ovariohysterectomy: a randomized, blinded, clinical trial. BMC Vet Res 2018; 14:304. [PMID: 30290820 PMCID: PMC6173890 DOI: 10.1186/s12917-018-1628-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 09/25/2018] [Indexed: 11/17/2022] Open
Abstract
Background Buprenorphine is a potent lipophilic opioid analgesic that is largely used in the multimodal treatment of acute pain. Simbadol (buprenorphine hydrochloride) is the first and only FDA-approved high-concentration formulation of buprenorphine for use in cats. The aim of this study was to evaluate the analgesic efficacy of carprofen in combination with one of two commercial formulations of buprenorphine (Simbadol and Vetergesic, 1.8 mg/mL and 0.3 mg/mL, respectively) in dogs undergoing ovariohysterectomy. Twenty-four dogs were included in a randomized, prospective, controlled, clinical trial. Patients were randomly divided into 2 groups as follows. Dogs were premedicated with acepromazine (0.02 mg/kg) and either 0.02 mg/kg of Vetergesic or Simbadol intramuscularly (Vetergesic group – VG; Simbadol group – SG, respectively; n = 12/group). General anesthesia was induced with propofol and maintained with isoflurane in 100% oxygen. Carprofen (4.4 mg/kg SC) was administered after induction of anesthesia. Heart rate, respiratory rate, blood pressure, pulse oximetry, pain scores using the Glasgow Composite Pain Scale Short Form (CMPS-SF), sedation scores using a dynamic interactive visual analogue scale and adverse events were evaluated before and after ovariohysterectomy by an observer who was unaware of treatment administration. If CMPS-SF scores were ≥ 5/20, dogs were administered rescue analgesia (morphine 0.5 mg/kg IM). Statistical analysis was performed using linear mixed models and Fisher’s exact test (p < 0.05). Results Pain and sedation scores and physiological parameters were not significantly different between treatments. Three dogs in VG (25%) and none in SG (0%) required rescue analgesia (p = 0.109). Adverse effects (i.e. vomiting and melena) were observed in two dogs in SG and were thought to be related to stress and/or nonsteroidal anti-inflammatory drug toxicity. Conclusions The administration of buprenorphine with carprofen preoperatively provided adequate postoperative analgesia for the majority of dogs undergoing OVH without serious adverse events. Prevalence of rescue analgesia was not significantly different between groups; however, it could be clinically relevant and explained by a type II error (i.e. small sample size). Future studies are necessary to determine if analgesic efficacy after Simbadol and Vetergesic is related to individual variability or pharmacokinetic differences.
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Affiliation(s)
- Ryota Watanabe
- Department of Clinical Sciences and Animal Pharmacology Research Group of Quebec (GREPAQ; Groupe de recherche en pharmacologie animale du Québec), Faculty of Veterinary Medicine, Université de Montréal, 3200 rue Sicotte, Saint-Hyacinthe, QC, J2S 2M2, Canada
| | - Beatriz P Monteiro
- Department of Clinical Sciences and Animal Pharmacology Research Group of Quebec (GREPAQ; Groupe de recherche en pharmacologie animale du Québec), Faculty of Veterinary Medicine, Université de Montréal, 3200 rue Sicotte, Saint-Hyacinthe, QC, J2S 2M2, Canada
| | - Marina C Evangelista
- Department of Clinical Sciences and Animal Pharmacology Research Group of Quebec (GREPAQ; Groupe de recherche en pharmacologie animale du Québec), Faculty of Veterinary Medicine, Université de Montréal, 3200 rue Sicotte, Saint-Hyacinthe, QC, J2S 2M2, Canada
| | - Amélie Castonguay
- Department of Clinical Sciences and Animal Pharmacology Research Group of Quebec (GREPAQ; Groupe de recherche en pharmacologie animale du Québec), Faculty of Veterinary Medicine, Université de Montréal, 3200 rue Sicotte, Saint-Hyacinthe, QC, J2S 2M2, Canada
| | | | - Paulo V Steagall
- Department of Clinical Sciences and Animal Pharmacology Research Group of Quebec (GREPAQ; Groupe de recherche en pharmacologie animale du Québec), Faculty of Veterinary Medicine, Université de Montréal, 3200 rue Sicotte, Saint-Hyacinthe, QC, J2S 2M2, Canada.
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24
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Kongara K, Chambers JP. Robenacoxib in the treatment of pain in cats and dogs: safety, efficacy, and place in therapy. VETERINARY MEDICINE-RESEARCH AND REPORTS 2018; 9:53-61. [PMID: 30148083 PMCID: PMC6101027 DOI: 10.2147/vmrr.s170893] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Robenacoxib is a novel nonsteroidal anti-inflammatory drug (NSAID) of coxib class developed for the control of inflammation and pain in dogs and cats. It shows high selectivity for the cyclooxygenase-2 (COX-2) enzyme in rats, cats, and dogs. Robenacoxib is available in both injectable and tablet formulations. This review initially focuses on the preclinical pharmacology of robenacoxib in rats that includes its high affinity for COX-2 enzyme and weaker and rapidly reversible binding for COX-1 enzyme in in vitro and ex vivo models of inflammation and its pharmacokinetics in the blood and inflammatory exudate, selective tissue distribution, and safety. These basic pharmacological profiles highlight the suitability of robenacoxib for use in target species, such as cats and dogs. Since the level of expression and activity of COX enzymes is species specific, COX-2-selective inhibition and the resultant effects of coxibs must be studied in target species. The pharmacological and toxicological profiles of robenacoxib in cats and dogs have been discussed prior to reviewing its clinical efficacy and safety. Large, multicenter field trials conducted in cats and dogs demonstrated the noninferior efficacy and safety of robenacoxib compared with noncoxib NSAIDs used in dogs and cats. These trials investigated the efficacy of robenacoxib against various acute and chronic painful conditions. Robenacoxib produced superior efficacy to placebo and COX-2 preferential inhibitors in postsurgical cats. The tissue-selective anti-inflammatory activity of robenacoxib has been demonstrated in dogs with osteoarthritis. Robenacoxib has also been shown to be safe in healthy dogs and cats receiving antihypertensive drugs and loop diuretics that could cause renal injury. The developmental objective of coxibs, comparable efficacy but superior safety to less selective/nonselective NSAIDs, is well established with robenacoxib in preclinical studies. More studies need to be conducted to fully explore the benefits of robenacoxib in clinical subjects.
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Affiliation(s)
- Kavitha Kongara
- Animal Welfare Science and Bioethics Centre, School of Veterinary Science, Massey University, Palmerston North, New Zealand,
| | - John Paul Chambers
- Animal Welfare Science and Bioethics Centre, School of Veterinary Science, Massey University, Palmerston North, New Zealand,
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Klinck MP, Monteiro BP, Lussier B, Guillot M, Moreau M, Otis C, Steagall PVM, Frank D, Martel-Pelletier J, Pelletier JP, del Castillo JRE, Troncy E. Refinement of the Montreal Instrument for Cat Arthritis Testing, for Use by Veterinarians: detection of naturally occurring osteoarthritis in laboratory cats. J Feline Med Surg 2018; 20:728-740. [PMID: 28920533 PMCID: PMC11104144 DOI: 10.1177/1098612x17730172] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2024]
Abstract
Objectives Feline osteoarthritis causes pain and disability. Detection and measurement is challenging, relying heavily on owner report. This study describes refinement of the Montreal Instrument for Cat Arthritis Testing, for Use by Veterinarians. Methods A video analysis of osteoarthritic (n = 6) and non-osteoarthritic (n = 4) cats facilitated expansion of scale items. Three successive therapeutic trials (using gabapentin, tramadol and oral transmucosal meloxicam spray) in laboratory cats with and without natural osteoarthritis (n = 12-20) permitted construct validation (assessments of disease status sensitivity and therapeutic responsiveness) and further scale refinements based on performance. Results Scale osteoarthritic sensitivity improved from phase I to phase III; phase III scale total score ( P = 0.0001) and 4/5 subcategories - body posture ( P = 0.0006), gait ( P = 0.0031), jumping (0.0824) and global distance examination ( P = 0.0001) - detected osteoarthritic cats. Total score inter-rater (intra-class correlation coefficients [ICC] = 0.64-0.75), intra-rater (ICC = 0.90-0.91) and overall internal consistency (Cronbach's alpha = 0.85) reliability were good to excellent. von Frey anesthesiometer-induced paw withdrawal threshold increased with gabapentin in phase I, in osteoarthritic cats ( P <0.001) but not in non-osteoarthritic cats ( P = 0.075). Night-time activity increased during gabapentin treatment. Objective measures also detected tramadol and/or meloxicam treatment effects in osteoarthritic cats in phases II and III. There was some treatment responsiveness: in phase I, 3/10 subcategory scores improved ( P <0.09) in treated osteoarthritic cats; in phase II, 3/8 subcategories improved; and in phase III, 1/5 subcategories improved ( P <0.096). Conclusions and relevance The revised scale detected naturally occurring osteoarthritis, but not treatment effects, in laboratory cats, suggesting future potential for screening of at-risk cats. Further study is needed to confirm reliability, validity (disease sensitivity and treatment responsiveness) and clinical feasibility, as well as cut-off scores for osteoarthritic vs non-osteoarthritic status, in client-owned cats.
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Affiliation(s)
- Mary P Klinck
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedical Sciences, Faculty of Veterinary Medicine – University of Montréal, Saint-Hyacinthe, QC, Canada
- Osteoarthritis Research Unit, Centre de Recherche du CHUM, Central Hospital of the University of Montréal, Montreal, QC, Canada
| | - Beatriz P Monteiro
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedical Sciences, Faculty of Veterinary Medicine – University of Montréal, Saint-Hyacinthe, QC, Canada
| | - Bertrand Lussier
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedical Sciences, Faculty of Veterinary Medicine – University of Montréal, Saint-Hyacinthe, QC, Canada
- Osteoarthritis Research Unit, Centre de Recherche du CHUM, Central Hospital of the University of Montréal, Montreal, QC, Canada
| | - Martin Guillot
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedical Sciences, Faculty of Veterinary Medicine – University of Montréal, Saint-Hyacinthe, QC, Canada
- Osteoarthritis Research Unit, Centre de Recherche du CHUM, Central Hospital of the University of Montréal, Montreal, QC, Canada
| | - Maxim Moreau
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedical Sciences, Faculty of Veterinary Medicine – University of Montréal, Saint-Hyacinthe, QC, Canada
- Osteoarthritis Research Unit, Centre de Recherche du CHUM, Central Hospital of the University of Montréal, Montreal, QC, Canada
| | - Colombe Otis
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedical Sciences, Faculty of Veterinary Medicine – University of Montréal, Saint-Hyacinthe, QC, Canada
| | - Paulo VM Steagall
- Department of Clinical Sciences, Faculty of Veterinary Medicine – University of Montréal, Saint-Hyacinthe, QC, Canada
| | - Diane Frank
- Department of Clinical Sciences, Faculty of Veterinary Medicine – University of Montréal, Saint-Hyacinthe, QC, Canada
| | - Johanne Martel-Pelletier
- Osteoarthritis Research Unit, Centre de Recherche du CHUM, Central Hospital of the University of Montréal, Montreal, QC, Canada
| | - Jean-Pierre Pelletier
- Osteoarthritis Research Unit, Centre de Recherche du CHUM, Central Hospital of the University of Montréal, Montreal, QC, Canada
| | - Jérôme RE del Castillo
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedical Sciences, Faculty of Veterinary Medicine – University of Montréal, Saint-Hyacinthe, QC, Canada
| | - Eric Troncy
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedical Sciences, Faculty of Veterinary Medicine – University of Montréal, Saint-Hyacinthe, QC, Canada
- Osteoarthritis Research Unit, Centre de Recherche du CHUM, Central Hospital of the University of Montréal, Montreal, QC, Canada
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Toutain CE, Heit MC, King SB, Helbig R. Safety evaluation of the interchangeable use of robenacoxib (Onsior™) tablets and solution for injection in dogs. BMC Vet Res 2017; 13:359. [PMID: 29179750 PMCID: PMC5704635 DOI: 10.1186/s12917-017-1269-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Accepted: 11/13/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Robenacoxib (Onsior™) is a non-steroidal anti-inflammatory drug developed for canine and feline use for the control of pain and inflammation. It is available as both tablets and solution for injection. The objective of this safety study was to investigate the interchangeable use of two robenacoxib formulations in dogs using a novel study design alternating between oral tablets and subcutaneous injections. Thirty-two naïve healthy 4-month dogs were enrolled in this 88-day study and were randomized among four groups to be untreated or to receive robenacoxib at the highest recommended or elevated dose rates. The dogs were administered three 20-day treatment cycles each separated by a 14-day washout period. Each 20-day cycle was comprised of 10 days of once daily oral administration, 3 days of subcutaneous administration, followed by further 7 days of oral administration (Groups 2 to 4). The control group (Group 1) received oral empty gelatin capsules or subcutaneous saline injections. Assessment of safety was based on general health observations, clinical observations, physical and neurological examinations including ophthalmological examinations, electrocardiographic examinations and clinical pathology evaluations, food and water consumption, body weight, and macroscopic and microscopic examinations. Blood samples were collected for pharmacokinetic evaluation. RESULTS Blood concentrations of robenacoxib confirmed systemic exposure of all treated dogs. All dogs were in good health through study termination and there were no serious adverse events during the course of the study. No changes in body weight, food consumption, ophthalmic, neurological examinations, electrocardiograms, buccal mucosal blood times, clinical pathology or organ weight were attributable to robenacoxib formulation administration. Primary treatment-related abnormalities were of low incidence at all doses. They were confined to macroscopic and microscopic changes observed locally at the subcutaneous injection sites and microscopic findings within the gastrointestinal tract. These findings were as expected based on previous studies with robenacoxib solution for injection alone and the known properties of this class of compound and mode of administration. There were no adverse effects which could be attributed specifically to the interchangeable use of oral and injectable robenacoxib. CONCLUSIONS Alternating regimens of robenacoxib tablets and solution for injection were well tolerated in healthy young dogs.
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Affiliation(s)
- Céline E Toutain
- Elanco Animal Health, a Division of Eli Lilly and Company, Mattenstrasse 24A, CH-4058, Basel, Switzerland.
| | - Mark C Heit
- Elanco Animal Health, a Division of Eli Lilly and Company, 2500 Innovation Way, Greenfield, IN, 64140, USA
| | - Stephen B King
- Elanco Animal Health, a Division of Eli Lilly and Company, 2500 Innovation Way, Greenfield, IN, 64140, USA
| | - Rainer Helbig
- Elanco Animal Health, a Division of Eli Lilly and Company, Mattenstrasse 24A, CH-4058, Basel, Switzerland
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King S, Roberts ES, King JN. Evaluation of injectable robenacoxib for the treatment of post-operative pain in cats: results of a randomized, masked, placebo-controlled clinical trial. BMC Vet Res 2016; 12:215. [PMID: 27686251 PMCID: PMC5041542 DOI: 10.1186/s12917-016-0827-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 09/01/2016] [Indexed: 11/10/2022] Open
Abstract
Background Few pharmaceuticals are registered in cats for the management of post-operative pain and inflammation. The objective of this study was to assess the field efficacy and safety of an injectable formulation of the nonsteroidal anti-inflammatory drug robenacoxib in cats undergoing surgery. The study was a multi-center, prospective, randomized, masked, parallel-group, placebo-controlled clinical trial. A total of 349 cats were enrolled and underwent surgery comprising forelimb onychectomy, as an example of orthopedic surgery, plus either ovariohysterectomy or castration. All cats received butorphanol prior to anesthesia and forelimb four-point regional nerve blocks with bupivacaine after induction of general anesthesia. Cats were randomized to receive daily subcutaneous (s.c.) injection of robenacoxib, at a target dosage of 2.0 mg/kg (n = 174), or placebo (n = 175) once prior to surgery and for an additional two days post-operatively. Results Significantly (P = 0.037) fewer cats administered robenacoxib received additional analgesia rescue therapy (34 of 173, 19.7 %) compared to cats given placebo (73 of 175, 41.7 %). The percentage of treatment success was therefore 80.3 % with robenacoxib and 58.3 % with placebo. Behavior, posture, pain on palpation of the paw and soft tissue surgery sites, and overall pain were significantly (P < 0.05) improved versus placebo at various time points within the first 8 h in cats receiving robenacoxib. The most frequently reported adverse events were incision site infection/dehiscence, bleeding, vomiting, decreased appetite and lethargy. Frequencies of reported adverse clinical signs, hematology, serum chemistry and urinalysis variables, and body weight changes were similar between groups. There were no significant changes from baseline with robenacoxib in hepatic, hematological or renal clinical pathology variables. Conclusions Robenacoxib by s.c. injection was effective and well tolerated in the control of post-operative pain associated with orthopedic, ovariohysterectomy and castration surgery in cats.
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Affiliation(s)
- Stephen King
- Elanco Animal Health, Companion Animal Development, Greensboro, NC, 27408, USA
| | - Elizabeth S Roberts
- Elanco Animal Health, Companion Animal Development, Greensboro, NC, 27408, USA
| | - Jonathan N King
- Elanco Animal Health, Companion Animal Development, Basel, CH-4058, Switzerland.
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Effect of benazepril, robenacoxib and their combination on glomerular filtration rate in cats. BMC Vet Res 2016; 12:124. [PMID: 27338786 PMCID: PMC4917992 DOI: 10.1186/s12917-016-0734-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Accepted: 06/07/2016] [Indexed: 11/10/2022] Open
Abstract
Background Combined use of angiotensin-converting enzyme inhibitors and nonsteroidal anti-inflammatory drugs may induce acute kidney injury in humans, especially when combined with diuretics. The objective of this investigation was to evaluate the effects of benazepril, robenacoxib and their combination in healthy cats. In each of two studies (study 1 followed by study 2), 32 healthy cats were randomised to one of four groups (n = 4 male and 4 female cats per group) in a parallel-group design. The groups received orally once daily for 7 days either placebo (control group), benazepril, robenacoxib or benazepril plus robenacoxib. In study 2, all groups received in addition 0.5 mg/kg furosemide twice daily by subcutaneous injection for 7 days. Results Benazepril, robenacoxib and their combination were well tolerated as evidenced from lack of clinical signs and no negative effects on body weight, feed consumption and clinical chemistry, haematology and urinalysis variables. The primary endpoint of the study was the glomerular filtration rate (GFR), which was estimated from the plasma clearance of iohexol. In the absence of furosemide, GFR was significantly higher in cats receiving the combination of benazepril plus robenacoxib compared to the other three groups, and was also significantly higher in females receiving only benazepril compared to the control. Administration of furosemide induced diuresis, reduced GFR and activated the renin-aldosterone-angiotensin system, evidenced from increased plasma renin activity and plasma aldosterone concentrations. Compared to the control group in cats treated with furosemide, GFR was increased by benazepril (females only) but decreased by robenacoxib (males only). Benazepril, robenacoxib and their combination significantly inhibited the increase in plasma aldosterone induced by furosemide. Conclusions The combination of benazepril and robenacoxib was well tolerated and either increased or had a neutral effect on GFR in healthy cats without or with concomitant furosemide. The combination of benazepril and robenacoxib reduced plasma aldosterone concentrations increased by furosemide. It is recommended to test the efficacy and safety of the combined use of benazepril and robenacoxib in cats with clinical disease, notably proteinuric chronic kidney disease.
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Preliminary Validation and Reliability Testing of the Montreal Instrument for Cat Arthritis Testing, for Use by Veterinarians, in a Colony of Laboratory Cats. Animals (Basel) 2015; 5:1252-67. [PMID: 26633524 PMCID: PMC4693214 DOI: 10.3390/ani5040410] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 11/25/2015] [Accepted: 11/25/2015] [Indexed: 12/02/2022] Open
Abstract
Simple Summary Feline osteoarthritis (OA) is challenging to diagnose. A pain scale was developed for use by veterinarians, in association with their physical examination, and tested for reliability and validity. The scale items were: Interaction with the examiner, Exploration of the room, Body Posture, Gait, Body Condition, condition of Coat and Claws, and abnormal Findings or Cat Reaction upon joint Palpation. Expert review supported the scale content. Two studies using laboratory-housed cats found the most promising results for Gait and Body Posture, in terms of distinguishing between OA and non-OA cats, repeatability of results, and correlations with objectively measured kinetics (weight-bearing). Abstract Subtle signs and conflicting physical and radiographic findings make feline osteoarthritis (OA) challenging to diagnose. A physical examination-based assessment was developed, consisting of eight items: Interaction, Exploration, Posture, Gait, Body Condition, Coat and Claws, (joint) Palpation–Findings, and Palpation–Cat Reaction. Content (experts) and face (veterinary students) validity were excellent. Construct validity, internal consistency, and intra- and inter-rater reliability were assessed via a pilot and main study, using laboratory-housed cats with and without OA. Gait distinguished OA status in the pilot (p = 0.05) study. In the main study, no scale item achieved statistically significant OA detection. Forelimb peak vertical ground reaction force (PVF) correlated inversely with Gait (Rhos = −0.38 (p = 0.03) to −0.41 (p = 0.02)). Body Posture correlated with Gait, and inversely with forelimb PVF at two of three time points (Rhos = −0.38 (p = 0.03) to −0.43 (p = 0.01)). Palpation (Findings, Cat Reaction) did not distinguish OA from non-OA cats. Palpation—Cat Reaction (Forelimbs) correlated inversely with forelimb PVF at two time points (Rhos = −0.41 (p = 0.02) to −0.41 (p = 0.01)), but scores were highly variable, and poorly reliable. Gait and Posture require improved sensitivity, and Palpation should be interpreted cautiously, in diagnosing feline OA.
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