

The Cat Drug Black Market
18 snips Jul 17, 2025
Niels Peterson, Professor emeritus of veterinary medicine at UC Davis and expert in small animal pathology, discusses the compelling journey to treat Feline Infectious Peritonitis (FIP). He reveals the ethical challenges of vet medicine and the frustration over FDA delays that push desperate pet owners to explore illegal treatment options. With insight into the underground world of FIP Warriors, Niels highlights the intersection of compassion and innovation, showing how a grassroots community is battling for their beloved cats amid legal and systemic hurdles.
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The Cure That Became Illegal
- GS-441524 is a compound capable of curing FIP in cats, discovered after decades of veterinary coronavirus research.
- Gilead Sciences owns the drug rights but refused veterinary use to prioritize human treatments during the COVID-19 pandemic.
Remdesivir’s Human Focused Shift
- GS 5734 (remdesivir) was developed from the parent compound GS-441524 for COVID-19, sidelining the cat drug’s veterinary approval.
- Though remdesivir helped millions of humans, the original compound remained unavailable for cats legally.
Robin Kintz's FIP Warriors Journey
- Robin Kintz began distributing the illegal FIP drug GS to save her two sick cats when vets said no treatments existed.
- She founded the FIP Warriors Facebook group to help others access the drug and saved numerous cats despite risks.