GS-441524
GS-441524 (active metabolite of Remdesivir)
Drug Class
Other
Available Forms
Injectable solution, Oral tablet (limited availability)
Approved For
Dosage Guide
Cats (FIP): 4-8 mg/kg SC once daily for 84 days. Higher doses for ocular (8 mg/kg) and neurological (10-12 mg/kg) FIP. 84-day observation period after treatment completion for cure determination.
This is a general reference only. Always follow your veterinarian's prescribed dosage for your specific pet.
Side Effects
- •Injection site pain and possible sores (rotate sites daily)
- •Mild weight loss initially
- •Transient elevation in SDMA (kidney) — usually resolves
Important Warnings
- !NOT FDA-approved for veterinary use — sourced through compounding pharmacies
- !Must be obtained through veterinary prescription from compounding pharmacies
- !84-day treatment requires significant owner commitment
- !Oral form available for maintenance but less studied than injectable
- !Revolutionary treatment — has changed FIP from ~100% fatal to 80-90% curable
Contraindications
Do not use this medication in the following situations:
- ✕None well-documented — risk-benefit favors treatment in suspected FIP
Medical Disclaimer
This medication guide is for informational purposes only. Always consult a licensed veterinarian before administering any medication to your pet. Dosages vary based on weight, age, health status, and concurrent medications. Never give human medications to pets without veterinary approval — many common human drugs are toxic or fatal to animals.