During investigational studies for the caplet formulation with twice daily administration of 1 mg/lb, no clinically significant adverse reactions were reported. Some clinical signs were observed during field studies (n=297) which were similar for carprofen caplet- and placebo-treated dogs. Incidences of the following were observed in both groups: vomiting (4%), diarrhea (4%), changes in appetite (3%), lethargy (1.4%), behavioral changes (1%), and constipation (0.3%). The product vehicle served as control.
There were no serious adverse events reported during clinical field studies with once daily administration of 2 mg/lb. The following categories of abnormal health observations were reported. The product vehicle served as control.
Percentage of Dogs with Abnormal Health Observations Reported in Clinical Field Study (2mg/lb once daily) |
| Observation | Carprofen (n=129) | Placebo (n=132) |
| Inappetence | 1.6 | 1.5 |
| Vomiting | 3.1 | 3.8 |
| Diarrhea/Soft stool | 3.1 | 4.5 |
| Behavior change | 0.8 | 0.8 |
| Dermatitis | 0.8 | 0.8 |
| PU/PD | 0.8 | - |
| SAP increase | 7.8 | 8.3 |
| ALT increase | 5.4 | 4.5 |
| AST increase | 2.3 | 0.8 |
| BUN increase | 3.1 | 1.5 |
| Bilirubinuria | 16.3 | 12.1 |
| Ketonuria | 14.7 | 9.1 |
Clinical pathology parameters listed represent reports of increases from pre-treatment values; medical judgment is necessary to determine clinical relevance.
During investigational studies of surgical pain for the caplet formulation, no clinically significant adverse reactions were reported. The product vehicle served as control.
Percentage of Dogs with Abnormal Health Observations Reported in Surgical Pain Field Studies with Caplets (2 mg/lb once daily) |
| Observation* | Carprofen (n=148) | Placebo (n=149) |
| Vomiting | 10.1 | 13.4 |
| Diarrhea/soft stool | 6.1 | 6.0 |
| Ocular disease | 2.7 | 0 |
| Inappetence | 1.4 | 0 |
| Dermatitis/Skin lesion | 2.0 | 1.3 |
| Dysrhythmia | 0.7 | 0 |
| Apnea | 1.4 | 0 |
| Oral/Periodontal disease | 1.4 | 0 |
| Pyrexia | 0.7 | 1.3 |
| Urinary tract disease | 1.4 | 1.3 |
| Wound drainage | 1.4 | 0 |
| *A single dog may have experienced more than one occurrence of an event |
During investigational studies for the chewable tablet formulation, gastrointestinal signs were observed in some dogs. These signs included vomiting and soft stools.
Post-Approval Experience:
Although not all adverse reactions are reported, the following adverse reactions are based on voluntary post-approval adverse drug experience reporting. The categories of adverse reactions are listed in decreasing order of frequency by body system.
Gastrointestinal: Vomiting, diarrhea, constipation, inappetence, melena, hematemesis, gastrointestinal ulceration, gastrointestinal bleeding, pancreatitis.
Hepatic: Inappetence, vomiting, jaundice, acute hepatic toxicity, hepatic enzyme elevation, abnormal liver function test(s), hyperbilirubinemia, bilirubinuria, hypoalbuminemia. Approximately one-fourth of hepatic reports were in Labrador Retrievers.
Neurologic: Ataxia, paresis, paralysis, seizures, vestibular signs, disorientation.
Urinary: Hematuria, polyuria, polydipsia, urinary incontinence, urinary tract infection, azotemia, acute renal failure, tubular abnormalities including acute tubular necrosis, renal tubular acidosis, glucosuria.
Behavioral: Sedation, lethargy, hyperactivity, restlessness, aggressiveness.
Hematologic: Immune-mediated hemolytic anemia, immune-mediated thrombocytopenia, blood loss anemia, epistaxis.
Dermatologic: Pruritus, increased shedding, alopecia, pyotraumatic moist dermatitis (hot spots), necrotizing panniculitis/vasculitis, ventral ecchymosis.
Immunologic or hypersensitivity: Facial swelling, hives, erythema.
In rare situations, death has been associated with some of the adverse reactions listed above.
To report suspected adverse drug events, for technical assistance or to obtain a copy of the Safety Data Sheet, contact Cronus Pharma LLC at 1-844-227-6687 and 1-844-2-CRONUS. For additional information about adverse drug experience reporting for animal drugs, contact FDA at 1-888-FDA-VETS or http://www.fda.gov/reportanimalae.