How many cats have been cured of FIP in Spain?
Since 2020, more than 2,000 cats have been treated for FIP in Spain. These statistics cover only completed cases: the 84 days of treatment and the subsequent 84 days of observation. These are not estimates — they are documented cases.
The first success stories
In Spain, the first cats treated with GS-441524 date back to 2019. Among the pioneers is Gaia, a cat from Madrid with FeLV positive, belonging to an association in the northern sierra of Madrid. Her owners did everything possible to find out how the treatment worked and to administer it when almost nobody in Spain knew it existed.
Gaia is still alive today. The beginning was very hard: there was enormous ignorance and GS-441524 was not approved. It was through FIP Warriors — a group created in the United States working directly with Dr. Niels Pedersen — that the treatment and the possibility of a cure began to become known in Spain.
Statistics since 2020
| Indicator | Data |
|---|---|
| Cure rate | 92% of fully treated cats |
| Adjusted success rate | 92.3% excluding cases that do not survive the first 7 days |
| Relapse rate | 10% of cats require a second treatment |
These figures confirm what the community has been seeing for years: GS-441524 is not experimental — it is a treatment with an extremely high and well-documented success rate.
Distribution by FIP type in Spain
The Spanish data show a different distribution from Pedersen’s original study, with a much greater presence of neurological cases:
| FIP type | Distribution in Spain |
|---|---|
| Wet abdominal | 43% |
| Neurological | 23% |
| Wet pleural | 17% |
| Dry | 9% |
| Ocular | 8% |
The 23% neurological cases is one of the most significant figures: this form, considered the most complex and the one that requires the most time, represents almost a quarter of all treatments in Spain — and it is being cured.
What these numbers mean
More than 2,000 treated cats is not just a statistic. It is more than 2,000 families who received a devastating diagnosis and found a way through. Every number behind these percentages is a cat that is still alive.
If you want to know the scientific evidence behind the treatment, visit our section on FIP research.
Has your cat beaten FIP? Share your story and help other families who are starting this journey. Every testimony counts.