Bentiromide:xylose test in healthy cats

Area of Science:

• Veterinary Medicine
• Gastroenterology
• Diagnostic Testing

Background:

• Pancreatic exocrine insufficiency and intestinal malabsorption are common in cats.
• Accurate diagnostic tests are crucial for effective treatment.
• The bentiromide:xylose test is a combined diagnostic tool for these conditions.

Purpose of the Study:

• To evaluate the bentiromide:xylose test for simultaneous assessment of pancreatic exocrine and intestinal absorptive function in healthy cats.
• To establish reference plasma concentrations of PABA and xylose in feline subjects.

Main Methods:

• Eight clinically healthy cats were administered an oral solution of bentiromide and D-xylose.
• Plasma concentrations of p-aminobenzoic acid (PABA) and xylose were measured at timed intervals post-administration.
• Peak plasma concentrations and individual variations were analyzed.

Main Results:

• Peak plasma PABA concentrations occurred between 60-120 minutes (mean 7.5 ± 3.2 µg/ml at 90 min).
• Peak plasma xylose concentrations occurred between 30-120 minutes (mean 42.6 ± 17.8 mg/dl at 60 min).
• Significant individual variations in plasma PABA and xylose levels were observed in healthy cats.

Conclusions:

• The bentiromide:xylose test shows considerable inter-individual variability in healthy cats, potentially limiting its diagnostic utility.
• Established interpretation guidelines for this test in dogs are not applicable to cats due to lower observed values.