Safety evaluation of a new anxiolytic product containing botanicals Souroubea spp. and Platanus spp. in dogs

Masic, A.; Liu, R.; Simkus, K.; Wilson, J.; Baker, J.; Sanchez, P.; Saleem, A.; Harris, C. C.; Durst, T.; Arnason, J. T.

Safety evaluation of a new anxiolytic product containing botanicals Souroubea spp. and Platanus spp. in dogs

2018

Separation anxiety and noise aversion are common behavioral problems in dogs. They elicit fear responses such as cowering, seeking out the owner, and attempting to escape. This can result in property damage, injury to the dog, and disruption of the owner-pet bond, possibly leading to pet abandonment or euthanasia. A novel botanical anxiolytic product was evaluated for safety in dogs as the target animal species. Its intended use is for the treatment and prevention of anxiety and noise aversion in dogs. It contains a defined mixture of Souroubea spp. vine and Platanus spp. bark, delivering the active principle, betulinic acid, at a recommended dose of 1 mg/kg body weight (BW). In the current target animal safety study, 16 healthy male beagle dogs were administered either a placebo or the newly formulated botanical tablets at 0.5×, 2.5×, or 5× the recommended dose (1 mg/kg BW) over 28 d. The dogs were monitored for occurrence of any systemic or local adverse events. In the investigation presented here, there were no clinically significant adverse effects following treatment, as determined by clinical observations, physical examinations, BW, hematology, clinical biochemistry, and urinalysis. Pharmacokinetic analysis demonstrated that the concentration of betulinic acid in serum was below 0.020 μg/mL in treated animals. Under the conditions of these studies, the formulated blend of S. sympetala and P. occidentalis, when administered up to 5× the intended dose for 28 consecutive d, showed no adverse effects on the health of dogs.

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