How Frunevemab Works
Frunevemab works by using monoclonal antibody technology to neutralize a key pain-signaling protein associated with osteoarthritis in cats. This protein, known as Nerve Growth Factor (NGF), plays a major role in activating and amplifying pain pathways in the nervous system. Frunevemab binds specifically to NGF, preventing it from attaching to its receptors on nerve cells. By blocking this interaction, the medication reduces pain transmission, decreases inflammation-related sensitivity, and helps restore mobility. Because it targets one specific pathway, Frunevemab provides long-lasting relief-typically up to one month-while maintaining a favorable safety profile.
Key Advantages
Targeted NGF Blockade for Effective Pain ReliefFrunevemab directly neutralizes nerve growth factor (NGF), providing precise and highly effective relief from osteoarthritis pain.
Once-Monthly Convenience
A single injection delivers up to one month of continuous pain control, reducing the need for daily medication and improving treatment compliance.
Safer Long-Term Option Compared to NSAIDs
As a monoclonal antibody, it avoids many systemic side effects associated with long-term NSAID use, making it suitable for chronic management.
Improves Mobility and Overall Quality of Life
Helps cats move more comfortably, restoring activity levels and enhancing daily well-being for pets with arthritis.
Possible Side Effects
Most cats tolerate Frunevemab well, but some may experience mild and temporary reactions such as injection-site discomfort, vomiting, diarrhea, reduced appetite, itching or hair loss, mild anxiety, or ear infections.
Contraindications & Risk Factors
- Cats That Should Not Use Frunevetmab
Frunevetmab is not recommended for cats that:
Have known allergies or sensitivities to this medication or similar biologics
Are breeding, pregnant, or nursing (safety has not been established)
Weigh less than 5.5 lbs (2.5 kg)
- Cats Requiring Extra Caution
Use this medication carefully and only under strict veterinary supervision in cats that:
Are receiving other monoclonal antibody treatments
Are currently taking NSAIDs such as meloxicam or robenacoxib
Have pre-existing medical conditions, including chronic illnesses or immune-related disorders
- Kidney Disease Consideration
The safety and effectiveness of Frunevetmab in cats with advanced kidney disease have not been fully evaluated, so caution is advised.
Drug Interactions
No Confirmed Drug Interactions
At this time, no specific drug interactions have been officially reported for Frunevetmab.
Medications Used Safely in Studies
During safety evaluations, the following medications were administered alongside Frunevetmab without noted adverse interactions:
- Parasiticides
- Antibiotics
- Antifungals
NSAID Caution (Based on Human Data)
In human trials involving anti-NGF monoclonal antibodies, some patients taking NSAIDs developed rapidly progressing osteoarthritis (RPOA).
This effect has not been reported in cats, but caution is still recommended when combining NSAIDs with Frunevetmab.
Inform Your Veterinarian
Always tell your veterinarian about all medications, supplements, vitamins, or herbal products your cat is taking before starting treatment, as interactions may still be possible.
Storage Conditions
- Refrigerate Frunevetmab between 35°F and 46°F (2°C to 8°C) at all times.
- Do not freeze the product, as freezing may damage the monoclonal antibody.
- Keep vials away from direct sunlight and heat sources.
- Discard any opened vials after use; do not store partial doses.
- Store the medication in its original packaging to protect it from light and contamination.
- Keep out of reach of children and pets.
Dosage & Administration for Frunevemab (Cats)
Frunevemab is administered only by veterinarians as a monthly injectable treatment for feline osteoarthritis. Because arthritis is a lifelong and progressive condition, ongoing monthly injections are essential to maintain pain relief and mobility.
Dosage:
- 1.0 mg per kilogram (1.0 mg/kg) of the cat's body weight.
- The veterinarian will determine whether your cat requires one or two vials, depending on body weight.
Frequency:
- Once monthly (every 30 days).
Administration:
- Subcutaneous injection (under the skin), performed exclusively by a veterinarian.
- The entire contents of the vial must be used immediately-single-use only, as the product contains no preservatives.
- Any remaining solution must be discarded.
How Veterinarians Calculate the Dose
Weigh the cat in kilograms (kg).
Multiply the weight by the required dosage (1.0 mg/kg).
Example:
A 5 kg cat → 5 kg × 1.0 mg/kg = 5 mg dose, given during the monthly injection.
Important Notes
Maintaining regular monthly injections is crucial for continuous pain relief.
Frunevemab is not approved for dogs, and no canine dosage exists.
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