Clinical Trials for Feline Injection Site Sarcoma
Injection site sarcoma, also called feline injection-site sarcoma (FISS), is an aggressive soft tissue tumor that develops at vaccination or injection sites in cats. It is locally invasive, has a high recurrence rate after surgery, and can metastasize to distant sites. University research programs are actively investigating new surgical techniques, radiation protocols, and immunotherapy approaches through funded clinical trials.
9 active trials currently enrolling
Trials available at institutions in:
Understanding Injection Site Sarcoma in Pets
Feline injection site sarcoma (FISS) is an aggressive soft tissue tumor that develops at sites where vaccines or injections have been given. It tends to grow back after surgery and can spread to distant sites.
Who it tends to affect
- Typical size: Not typically size-restricted
- Typical age: Can affect cats at any adult age; most cases are diagnosed in middle-aged to older cats
Can my pet join — does breed matter?
Eligibility is typically based on tumor location, whether prior surgery was performed, and recurrence status. All cat breeds are generally eligible.
Most trials are open to all breeds and set requirements by size, weight, age, and diagnosis instead. Our matching service checks your pet's specific details against each study's actual requirements.
Where Injection Site Sarcoma Trials Are Running
Active research locations are spread across the country. Current coverage by region:
States with active sites include: MO, WI, CO, KS, OH. We expand the search to nearby states when there's no local match.
What Injection Site Sarcoma Trials Typically Cost
Many trials cover part or all of treatment costs. Of the 9 trials we're currently tracking for injection site sarcoma:
The trials themselves are run by research institutions — we don't charge for them. Funding status changes as studies open and close, so we confirm current coverage when we match your pet.
What Injection Site Sarcoma Research Is Focused On
Current studies for injection site sarcoma are exploring approaches like:
- •New surgical and radiation approaches
- •Immunotherapy and immune-stimulating therapy
- •Combination treatment protocols
- •Anti-recurrence strategies
How it works
Tell us about your pet
Share the diagnosis, your pet's age and size, and your location. It takes a few minutes — no account needed.
We research current trials
We check open studies against your pet's actual eligibility — diagnosis, stage, location, and prior treatment. Most matches come back in 2–3 days.
You get your matches
A personalized list of trials your pet may qualify for, with locations, funding status, and exactly how to enroll.
The trials themselves are free and run by research institutions. Our fee covers the research and eligibility matching — and if we don't find any matches for your pet, you don't pay.
Find trials for my cat with Injection Site Sarcoma now
Our matching service screens all 9 active Injection Site Sarcoma trials against your pet’s specific profile — age, breed, stage, and location.
$7 to see your matches · $23 only if trials are found
Check My Pet’s Eligibility Now →Find Trials for Your Pet
Our free matching service screens 147 active trials at 25 accredited veterinary universities. Submit once, get matched to every relevant trial.
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