Effect of feline interferon‐omega on the survival time and quality of life of cats with feline infectious peritonitis
Background
There is no therapy with proven efficacy to treat cats with feline infectious peritonitis (FIP).
Hypothesis
Feline interferon-omega (FeIFN-ω) prolongs survival time and increases quality of life in cats with FIP.
Animals
Thirty-seven privately owned cats were subjects of this study.
Methods
The study was performed as a placebo-controlled double-blind trial. Feline infectious peritonitis was confirmed by histology or immunostaining of feline coronavirus (FCoV) antigen in effusion or tissue macrophages or both. The cats were randomly selected for treatment with either FeIFN-to or a placebo. All cats received adjunctive treatment with glucocorticoids and antibiotics and passive immunization with Feliserin.
Results
There was no statistically significant difference in the survival time of cats treated with FeIFN-ω versus placebo or in any other variable evaluated (with the exception of the lymphocyte count). The cats survived between 3 and 200 days (median, 9 days). There was only 1 long-term survivor (>3 months), and the cat was in the FeIFN-ω group.
Conclusion and Clinical Relevance
No effect of FeIFN-ω on survival time or quality of life could be demonstrated in this study.
Authors: Susanne Ritz, Herman Egberink, Katrin Hartmann
Source: https://onlinelibrary.wiley.com/
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