Librela
General Drug Information and Indications
Bedinvetmab anti-NGF monoclonal antibody for osteoarthritis pain in dogs; monthly injection.
Anti-NGF monoclonal antibody (bedinvetmab). Mechanism: fully caninized IgG2 monoclonal antibody that specifically binds and neutralizes nerve growth factor (NGF) → prevents NGF binding to TrkA (tropomyosin receptor kinase A) and p75NTR receptors → reduces central and peripheral sensitization and pain signaling in osteoarthritis. Monthly SQ injection.
Key information
Bedinvetmab — anti-NGF monoclonal antibody for canine OA pain. Refrigerate; do not freeze. Subcutaneous injection. Monthly dosing. Dogs only. Single-use vial.
How to Give this Medication
SQ injection: administer SQ in the dorsal neck or scruff. Administer monthly. Ensure correct dose per body weight. Store refrigerated (2–8°C); do not freeze. Bring to room temperature before injection. Single-use vial.
If a dose is missed
This product is given as a single dose or as part of a defined protocol. Contact your veterinarian if a scheduled administration was missed. Librela is given monthly — contact your veterinarian to reschedule.
Side Effects
Injection site reactions (most common — pain, swelling, licking). GI: vomiting, diarrhea, anorexia (uncommon). Neurological: paresis, ataxia (rare post-marketing — FDA pharmacovigilance). Renal: azotemia (rare). Anaphylaxis (very rare). Avoid in dogs with pre-existing neurological or renal disease.
Precautions
For animals
Dogs only. Post-marketing reports of neurological signs (paresis, ataxia) — avoid in dogs with pre-existing neurological or neuromuscular disease. Reduce dose or extend interval in renal impairment. — monitor renal parameters. Not for use in breeding, pregnant, or lactating dogs. Not approved for use in food-producing animals.
For people handling this medication
Administered by veterinary professionals only. No specific human precautions for caregivers beyond normal hygiene.
Overdose
Contact your veterinarian. Monoclonal antibody overdose — contact vet for guidance. Unlikely to cause serious toxicity.
Librela dosage forms
| Product | Strength | Form | Size | Type |
|---|---|---|---|---|
| LIBRELA 30MG/ML (88.3 - 132.3 LBS) | 30 MG/ML | — | — | Commercial |
| LIBRELA 15MG/ML (44.2 - 66.1 LBS) | 15 MG/ML | — | — | Commercial |
| LIBRELA 20MG/ML (66.2 - 88.2 LBS) | 20 MG/ML | — | — | Commercial |
| LIBRELA 10MG/ML (22.2 - 44.1 LBS) | 10 MG | Injectable | 1 | Commercial |
Sources
This information is provided for educational purposes and is not a substitute for advice from your veterinarian. Source: Plumb's Veterinary Drug Handbook (Plumb, D.C., app.plumbs.com); FDA-approved label (Librela, Zoetis)