🧬 Stem Cell Therapy for Dogs
Regenerative medicine is no longer science fiction — it's available now for dogs in the UK. What stem cell therapy and PRP actually do, what they cost, and whether they could help your dog
⚠️ Important: This page is for educational purposes only. Stem cell therapy and PRP are specialist veterinary treatments that must be discussed with and administered by a qualified vet. Always consult your vet before pursuing any new treatment for your dog.
🔬 What Are Stem Cells?
Stem cells are the body's raw materials — unspecialised cells that have the ability to develop into many different types of tissue, including bone, cartilage, tendon, ligament, muscle, and fat. Every dog (and every human) has them. They are essentially the body's own repair kit, sitting dormant until activated by injury or disease.
In veterinary medicine, the stem cells most commonly used are called mesenchymal stem cells (MSCs). These can be harvested from a dog's own fat tissue (adipose tissue) or bone marrow, processed in a laboratory, and then injected back into the dog at the site of injury or disease — typically a joint affected by osteoarthritis.
The key point many owners misunderstand: stem cell therapy for arthritis does not regrow cartilage. What it does is release powerful anti-inflammatory molecules that reduce pain, reduce swelling, and create a better environment for the joint to function. The result is improved mobility and comfort — often dramatically so — but it is managing the disease rather than curing it.
🔬 How it works: When mesenchymal stem cells are injected into an arthritic joint, they release anti-inflammatory cytokines that counteract the pro-inflammatory cytokines produced by the damaged joint lining (synovium). They also release growth factors that promote tissue repair and attract other healing cells to the area. This dual action — reducing inflammation while promoting repair — is what makes stem cell therapy different from simply masking pain with drugs.
💉 Types of Regenerative Treatment Available in the UK
There are now three main regenerative medicine options available for dogs in the UK, each with different processes, costs, and evidence behind them.
1. Autologous Stem Cell Therapy
A small sample of fat tissue is surgically harvested from your dog under general anaesthetic — usually from the shoulder or groin area. This sample is sent to a specialist laboratory (such as Cell Therapy Sciences in Coventry or the Royal Veterinary College's stem cell centre) where the mesenchymal stem cells are isolated, cultured, and multiplied over 2–3 weeks. The concentrated cells are then returned to your vet and injected into the affected joint under sedation.
Because the cells come from the dog itself, there is virtually no risk of rejection or immune reaction. This is the most established form of stem cell therapy in dogs, with over 3,000 animals treated by Cell Therapy Sciences alone since 2012. Fitzpatrick Referrals has treated nearly 500 osteoarthritis patients using this approach.
The cells can also be cryopreserved (frozen) for future use, meaning a single harvest can potentially provide treatment for years to come without further surgery.
2. DogStem (Allogeneic Stem Cells)
DogStem is a relatively new licensed veterinary medicine that uses stem cells from a donor dog rather than from the patient. This is called allogeneic therapy. The advantage is that your dog does not need surgery to harvest fat tissue — the cells are ready to inject from a prepared product.
DogStem has been licensed by the Veterinary Medicines Directorate (VMD) for use in the UK and EU, making it the first licensed stem cell therapy for dogs. It is administered by injection into the affected joint under sedation.
Because the cells come from a donor, there is a theoretical risk of immune reaction, although clinical experience so far suggests this is low. The treatment is simpler and faster than autologous therapy, which makes it more accessible for many dog owners.
3. Platelet-Rich Plasma (PRP)
PRP is not technically stem cell therapy, but it is part of the same family of regenerative medicine. A blood sample is taken from your dog and processed in a centrifuge to concentrate the platelets — blood cells that contain growth factors involved in tissue repair and healing. This concentrated plasma is then injected into the affected joint.
The entire process can be done in a single visit, usually taking around 30 minutes under sedation. Because it uses the dog's own blood, there is minimal risk. PRP is often used on its own for mild to moderate arthritis, or in combination with stem cells for more severe cases — Fitzpatrick Referrals has found that a "triple cocktail" of stem cells, PRP, and a joint lubricant hydrogel produces the best results.
PRP effects typically last 3–6 months, after which repeat treatment may be needed. Approximately 50% of dogs need more than one injection for significant improvement, though this rate drops when PRP is combined with stem cells.
🐕 Which Dogs Can Benefit?
✅ Good candidates
- Dogs with mild to moderate osteoarthritis
- Dogs where NSAIDs alone aren't controlling pain
- Dogs who can't tolerate long-term medication
- Post-surgical patients needing joint recovery
- Younger dogs with joint disease where slowing progression is the goal
- Dogs with tendon or ligament injuries
- Active or working dogs needing to maintain mobility
⚠️ Limitations
- Severe end-stage arthritis with bone-on-bone contact
- Dogs with immune-mediated joint disease (e.g. IMPA)
- Dogs too unwell for sedation or anaesthesia
- Won't regrow lost cartilage
- Results vary between individual dogs
- Not a one-off cure — repeat treatments often needed
- Cost is a barrier for many owners
📋 Important: Proper patient selection is critical. A good stem cell vet will conduct a thorough assessment — including X-rays, gait analysis, and blood work — before recommending treatment. Not every arthritic dog is a suitable candidate, and a responsible clinic will tell you so. Stem Cell Vet in the UK offers a two-hour specialist consultation (£250) specifically to determine whether your dog is suitable.
📋 What to Expect During Treatment
Autologous Stem Cell Therapy
- Step 1: Initial consultation and assessment — X-rays, gait analysis, blood tests to confirm suitability
- Step 2: Fat tissue harvested under general anaesthetic (a small surgical procedure)
- Step 3: Sample sent to laboratory for processing — stem cells isolated and cultured over 2–3 weeks
- Step 4: Concentrated stem cells returned and injected into the affected joint(s) under sedation
- Step 5: Remaining cells can be cryopreserved for future treatments
- Step 6: Follow-up assessments at 6 weeks, 3 months, and ongoing monitoring
PRP Therapy
- Step 1: Blood drawn from your dog (30–60ml from the jugular vein)
- Step 2: Blood processed in a centrifuge for approximately 20 minutes
- Step 3: Concentrated platelet-rich plasma injected into the joint under sedation
- Step 4: Dog can go home the same day — may be sore for 24–72 hours
- Step 5: Reassessment at 2–4 weeks; repeat injection if needed
⚠️ After treatment: Your dog's joint may be swollen, sore, or stiff for a few days after injection — this is normal and part of the inflammatory response that triggers healing. Your vet will advise on rest, restricted exercise, and any pain relief needed during recovery. Most dogs show noticeable improvement within 2–6 weeks.
💷 How Much Does It Cost in the UK?
Regenerative medicine is not cheap, and costs vary significantly between clinics. These are approximate UK prices based on published fee schedules from specialist practices:
Specialist Consultation
Two-hour assessment including X-rays, gait analysis, and treatment planning
DogStem (per joint)
Licensed allogeneic stem cells. No surgery required. Includes sedation and injection
Full Autologous Stem Cell
Includes anaesthetic, fat harvest surgery, lab processing, and injection. Cryopreservation of remaining cells
PRP Therapy
Same-day procedure. Blood draw, processing, and injection. May need repeating every 3–6 months
💡 Pet insurance: Some pet insurance policies cover stem cell therapy and PRP, but many don't. Always check your policy before proceeding. If your dog has a pre-existing arthritis diagnosis, it is unlikely to be covered unless the policy was in place before the diagnosis.
📊 What Does the Evidence Say?
The research on stem cell therapy for dogs is genuinely promising, though still evolving. Here's what the science tells us so far:
- A retrospective study of autologous mesenchymal stem cell treatment published in Frontiers in Veterinary Science (Armitage et al., 2023) found significant improvements in pain scores and mobility in dogs with chronic osteoarthritis and other musculoskeletal conditions
- Clinical trials using mesenchymal stem cells in dogs with osteoarthritis have shown beneficial outcomes across different methodologies, though study designs vary
- Research in human medicine strongly supports mesenchymal stem cell therapy for osteoarthritis pain relief and improved joint function, and the veterinary evidence is following a similar trajectory
- PRP therapy has shown promise in treating osteoarthritis symptoms and encouraging wound healing, though clear evidence of long-term benefits in dogs specifically is still building
- Fitzpatrick Referrals reports that their triple combination of stem cells, PRP, and hydrogel lubricant produces superior results in both magnitude and longevity compared to any single treatment alone
🔬 The honest picture: Stem cell therapy and PRP are not miracle cures. They work well for many dogs but not all. Results depend on the severity of the disease, the dog's overall health, correct patient selection, and the quality of the treatment. The science is strong enough for major UK referral practices to offer it routinely, but not yet strong enough for it to be considered standard first-line treatment. It is best understood as an advanced option when conventional management alone is not enough.
🏥 Where to Find Treatment in the UK
Stem cell therapy and PRP are available at specialist referral practices across the UK. Your dog will typically need a referral from your regular vet. Some of the leading providers include:
- Fitzpatrick Referrals (Surrey) — one of the first UK practices to offer stem cell therapy, with an on-site laboratory and nearly 500 patients treated
- Stem Cell Vet — the UK's only dedicated stem cell clinic focused solely on joint conditions in dogs and cats
- Cell Therapy Sciences (Coventry) — laboratory specialists who have prepared therapies for over 3,000 animals since 2012
- Royal Veterinary College (London) — runs a dedicated stem cell centre authorised by the VMD, offering autologous stem cell preparation from adipose tissue
- Greenside Veterinary Practice (Scotland) — offers both PRP and stem cell therapy with published research outcomes
Ask your vet for a referral to the nearest specialist practice offering regenerative medicine. Many of these clinics accept referrals from anywhere in the UK.
🔗 Related Pages on DogLens
Stem cell therapy is one part of a broader picture of keeping your dog healthy and comfortable. You might also find these pages useful:
- 💊 Medications & Side Effects — including NSAIDs like Metacam, which are often used alongside or before considering regenerative options
- 🦳 Senior Dog Care — arthritis management is a key part of caring for older dogs
- 🩺 Health & Wellness — our comprehensive guide to keeping your dog in good health
- 💰 Pet Insurance — understanding what your policy does and doesn't cover
Sources: Armitage et al. (2023), Frontiers in Veterinary Science — efficacy of autologous mesenchymal stromal cell treatment for chronic degenerative musculoskeletal conditions in dogs; UK Vet Companion Animal (2025) — stem cells in canine osteoarthritis: clinical evidence and practical considerations (3-part series); Fitzpatrick Referrals — stem cell therapy and PRP clinical guidance; Stem Cell Vet (UK) — clinical service information; Cell Therapy Sciences Ltd (Coventry) — over 3,000 animals treated since 2012; Royal Veterinary College — canine stem cell centre service; Nupsala MSK — published fee schedule; Veterinary Prescriber — stem cell treatment for dogs: cost UK; Greenside Veterinary Practice / Stem Cells Scotland — PRP and regenerative medicine protocols; AKC Expert Advice (2026) — platelet-rich plasma therapy for dogs; VCA Animal Hospitals — PRP overview and clinical guidance.