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Zoetis launches new osteoarthritis medications
Librela and Solensia target NGF, a key player in OA pain. 
Librela® and Solensia® target Nerve Growth Factor - a key player in OA pain.

Zoetis has launched two new medications for the management of osteoarthritis (OA) in dogs and cats.

In a press release, Zoetis said that Librela® and Solensia® ‘work differently from NSAIDs, the current standard of care, by specifically targeting NGF (Nerve Growth Factor), a key player in OA pain.

‘As monoclonal antibodies, they are eliminated by the body in the same way as naturally occurring proteins, with minimal involvement of the liver or the kidney’. 

Mike McFarland, executive vice president and chief medical officer at Zoetis said: “Not all pets respond to NSAID therapy and some will not tolerate NSAIDs. This can lead to under-treatment today of OA pain.

“With Solensia for cats and Librela for dogs, veterinarians will now have access to once-monthly breakthrough solutions for the management of pain associated with osteoarthritis – offering a new alternative to veterinarians to improve the quality of life for pets and their owners.” 

In a field study, Librela administered as monthly injections showed a fall in OA pain, compared to placebo-controlled dogs. Pet owners noted a decrease in pain, as monitored by increased physical activity level, sociability, and quality of life. 

Solensia administered as monthly injections during two multi-centre field studies found that more than 76 per cent of cats were considered a treatment success by the owners. Veterinary-assessed joint pain scores decreased by around 50 per cent in these cats by study end. 

Librela is now available in the European Union, United Kingdom and Switzerland. Solensia will launch in Europe, United Kingdom and Switzerland in May. 

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Equine Disease Surveillance report released for Q4 2025

News Story 1
 The latest Equine Disease Surveillance report has been released, with details on equine disease from Q4 of 2025.

The report, produced by Equine Infectious Disease Surveillance, includes advice on rule changes for equine influenza vaccination.

Statistics and maps detail recent outbreaks of equine herpes virus, equine influenza, equine strangles and equine grass sickness. A series of laboratory reports provides data on virology, bacteriology, parasitology and toxicosis.

This issue also features a case study of orthoflavivus-associated neurological disease in a horse in the UK. 

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News Shorts
RCVS annual renewal fee for vets due

RCVS' annual renewal fee for veterinary surgeons is now due. Vets must pay their renewal fee before Wednesday, 1 April 2026.

This year's standard annual fee has increased to 431 from last year's 418. This is an approximately three per cent increase, as approved by RCVS Council and the Privy Council.

Tshidi Gardner, RCVS treasurer, said: "The small fee increase will be used to help deliver both our everyday activities and our new ambitious Strategic Plan, which includes aims such as achieving new legislation, reviewing the Codes of Professional Conduct and supporting guidance, and continuing to support the professions through activities such as the Mind Matters Initiative, RCVS Academy and career development."

A full breakdown of the new fees is on the RCVS website. Information about tax relief is available on the UK government website.