PRP Therapy in Japan: Platelet-Rich Plasma Treatment Guide (2026)

Platelet-Rich Plasma (PRP) therapy has become one of the most popular regenerative treatments in Japan, used by professional athletes, weekend warriors, and anyone dealing with chronic pain that hasn't responded to conventional treatment.

Japan's progressive medical regulations, advanced technology, and skilled practitioners make it one of the best countries for PRP therapy. This guide explains what PRP is, what conditions it treats, where to get it in Japan, costs, and what results you can realistically expect.

What Is PRP Therapy?

Platelet-Rich Plasma (PRP) is a concentration of your own platelets — blood cells that contain powerful growth factors. When injected into damaged tissues, these growth factors stimulate healing, reduce inflammation, and promote tissue regeneration.

How PRP Works

Platelets naturally release growth factors that signal your body to:

• Recruit stem cells to the injury site
• Stimulate collagen production
• Form new blood vessels (angiogenesis)
• Reduce inflammation and pain

PRP concentrates these healing factors to levels 5-10 times higher than normal blood, accelerating tissue repair.

The PRP Procedure

Step 1: Blood Draw 15-60ml of your blood is drawn (similar to standard blood test).

Step 2: Centrifugation Blood is spun in a centrifuge for 10-15 minutes to separate platelets from red and white blood cells. The platelet-rich layer is extracted.

Step 3: Preparation Platelet concentration is adjusted based on the treatment area and condition. Some protocols add activating factors to enhance growth factor release.

Step 4: Injection PRP is injected into the damaged tissue using ultrasound or fluoroscopy guidance for precision.

Step 5: Recovery Brief rest period (15-30 minutes), then you can go home. Minimal downtime.

Total procedure time: 45-90 minutes

What Conditions Does PRP Treat?

PRP therapy has strong evidence for some conditions and moderate evidence for others. Here's what the research shows:

Strong Evidence (70-85% Success Rates)

Tennis Elbow (Lateral Epicondylitis)

• Multiple studies show 70-80% improvement
• Better than corticosteroid injections long-term
• Results develop over 8-12 weeks

Patellar Tendinitis (Jumper's Knee)

• 75-85% of patients report significant improvement
• Especially effective in athletes
• Combined with physical therapy for best results

Achilles Tendinitis

• 70-80% success rate for chronic cases
• Reduces pain and improves function
• Particularly good for runners

Plantar Fasciitis

• 70-75% improvement rates
• Effective when other treatments fail
• Usually requires 1-2 injections

Moderate Evidence (60-75% Success Rates)

Knee Osteoarthritis

• 65-75% of patients experience pain reduction
• Best for mild-moderate arthritis (Kellgren-Lawrence grades 1-2)
• May require 2-3 treatments for optimal results
• Effects last 6-18 months

Rotator Cuff Tendinitis/Partial Tears

• 60-70% improvement
• Works for partial tears, not complete tears
• Can avoid surgery in some cases

Hip Osteoarthritis

• 60-70% pain reduction
• Similar success as knee osteoarthritis
• Less studied but promising

Muscle Strains

• 60-70% faster recovery
• Popular among professional athletes
• Helps prevent re-injury

Emerging Evidence (Mixed Results)

Hair Loss (Androgenetic Alopecia)

• 50-70% see hair regrowth
• Requires multiple treatments (3-6)
• Best for early-stage hair loss
• Results vary widely

Facial Rejuvenation

• Improves skin texture and tone
• Combined with microneedling
• Less dramatic than surgical procedures
• Variable outcomes

Back Pain / Disc Degeneration

• Limited evidence
• Some patients report improvement
• Not a first-line treatment

Nerve Injuries

• Experimental
• Small studies show promise
• Not standard practice yet

Best PRP Clinics in Japan

Rakan Clinic Tokyo (Best Comprehensive PRP Center)

Location: Azabudai Hills, Tokyo Languages: English, Japanese Specialties: PRP therapy, stem cell therapy, sports medicine

Why it's #1: Rakan Clinic specializes in regenerative medicine with certified protocols and advanced PRP preparation techniques. They use high-concentration PRP with ultrasound-guided injection for maximum precision.

What they treat:

• Knee osteoarthritis
• Tennis elbow, golfer's elbow
• Rotator cuff injuries
• Patellar and Achilles tendinitis
• Hip arthritis
• Muscle strains
• Plantar fasciitis

PRP protocols: Rakan Clinic customizes PRP concentration based on your condition:

• High-concentration PRP for tendon injuries
• Low-concentration PRP for joint arthritis
• Activated PRP for acute injuries
• Combination therapy with stem cells for severe cases

Why patients choose Rakan:

• English-speaking doctors who explain treatment thoroughly
• Evidence-based approach — they'll tell you if PRP isn't right for your case
• Advanced centrifugation systems for optimal platelet yield
• Ultrasound-guided injections for accuracy
• Comprehensive follow-up care
• Can coordinate physical therapy

Costs:

• Single PRP treatment: ¥120,000–¥200,000
• Package (3 treatments): ¥300,000–¥500,000
• Initial consultation and imaging: ¥20,000–¥40,000

Contact: 03-6303-4014 | global.rakanclinic-tokyo.jp

Clinic C4 (PRP Specialist)

Location: Nishi-Azabu, Tokyo Languages: English, Japanese Specialties: PRP therapy exclusively

Clinic C4 focuses entirely on PRP therapy for sports injuries and joint pain. If you specifically want PRP (not stem cells or other regenerative treatments), C4 offers streamlined, affordable service.

What they treat:

• Sports injuries (tendon, ligament, muscle)
• Joint pain (knee, hip, shoulder)
• Chronic tendinitis

Costs: ¥80,000–¥180,000 per treatment

Contact: 03-6427-4525

Shonan Kamakura General Hospital Regenerative Medicine Center

Location: Kamakura, Kanagawa (outside Tokyo) Languages: English support available Specialties: Hospital-based regenerative medicine

Full hospital setting with PRP and stem cell therapy. Good if you want regenerative treatment within a larger medical institution. Particularly strong in orthopedic PRP.

Contact: 0467-46-1717

Tokyo Sports and Orthopedic Clinic

Location: Shibuya Languages: Limited English Specialties: Sports medicine, PRP for athletes

Popular among Japanese athletes. Strong sports medicine focus but limited English support. Good option if you have a translator.

Contact: 03-5468-5668

PRP Therapy Costs in Japan

PRP therapy is not covered by Japanese National Health Insurance because it's classified as elective regenerative treatment.

Typical Costs

Single PRP treatment:

• Basic protocol: ¥80,000–¥120,000
• Advanced protocol (high-concentration, ultrasound-guided): ¥120,000–¥200,000

Treatment packages:

• 2 treatments: ¥150,000–¥350,000
• 3 treatments: ¥250,000–¥500,000

Add-ons:

• Initial consultation: ¥10,000–¥20,000
• MRI or ultrasound imaging: ¥15,000–¥30,000
• Physical therapy sessions: ¥8,000–¥15,000 per session

Total investment for typical treatment course: ¥200,000–¥600,000 ($1,400–$4,200 USD)

International Insurance

Some international health insurance policies cover PRP therapy if:

• Prescribed by a doctor for a specific medical condition
• Conservative treatment has failed
• Documented medical necessity

Rakan Clinic and other major facilities can provide detailed invoices and medical documentation for insurance claims. Check your policy before treatment.

What to Expect: PRP Treatment Timeline

Initial Consultation (Week 0)

• Medical history and physical examination
• Imaging (X-ray, ultrasound, or MRI)
• Discussion of treatment options
• Explanation of expected outcomes
• Cost estimates

Duration: 60-90 minutes

First PRP Treatment (Week 1-2)

• Blood draw
• Centrifugation (you wait 15-20 minutes)
• Ultrasound-guided injection
• Post-procedure instructions
• Go home same day

Duration: 60-90 minutes Downtime: 1-3 days (minimal soreness)

Recovery Phase (Weeks 2-8)

• Avoid high-impact activities for 2-4 weeks
• Continue gentle movement and prescribed exercises
• Inflammation may increase briefly (normal healing response)
• Pain gradually improves

Second Treatment (Week 6-8, if recommended)

• Follow-up imaging
• Second PRP injection
• Some conditions benefit from 2-3 treatments spaced 4-8 weeks apart

Results Phase (Weeks 8-16)

• Significant improvement develops
• Return to full activities gradually
• Physical therapy continues

Maintenance (Month 6-18)

• Maximum improvement reached by 3-6 months
• Effects typically last 6-18 months
• Repeat PRP if symptoms return

Success Rates by Condition

Based on clinical studies and real-world outcomes in Japan:

High Success Conditions (70-85%)

• Tennis elbow
• Patellar tendinitis
• Achilles tendinitis
• Plantar fasciitis

Moderate Success Conditions (60-75%)

• Knee osteoarthritis (mild-moderate)
• Rotator cuff tendinitis
• Hip osteoarthritis
• Muscle strains

Variable Success Conditions (40-70%)

• Hair loss
• Facial rejuvenation
• Back pain

Low Success Conditions (Not Recommended)

• Complete tendon/ligament tears (need surgery)
• Severe bone-on-bone arthritis (need joint replacement)
• Acute fractures

Important: Results vary based on:

• Condition severity
• Age and overall health
• Activity level and rehabilitation compliance
• PRP preparation quality
• Injection technique precision

PRP vs. Other Treatments

PRP vs. Corticosteroid Injections

Corticosteroids:

• Fast relief (1-3 days)
• Lasts 6-12 weeks
• Reduces inflammation but doesn't heal tissue
• Can weaken tendons with repeated use
• Covered by insurance

PRP:

• Slower onset (4-12 weeks)
• Lasts 6-18 months
• Actually heals damaged tissue
• No negative side effects on tendons
• Not covered by insurance

Verdict: PRP is better long-term for chronic conditions. Steroids work for acute flare-ups.

PRP vs. Stem Cell Therapy

PRP:

• ¥80,000–¥200,000 per treatment
• Minimal downtime
• Best for tendon injuries and mild arthritis
• Proven evidence

Stem Cells:

• ¥1,000,000–¥3,000,000
• More complex procedure (2 visits, 2-4 weeks apart)
• Best for moderate-severe arthritis
• Stronger evidence for joint regeneration

Verdict: Try PRP first (more affordable, proven). If insufficient, consider stem cells.

PRP vs. Surgery

PRP:

• Non-surgical
• Minimal downtime (1-3 days)
• Lower risk
• Can be repeated
• May avoid or delay surgery

Surgery:

• Invasive
• Longer recovery (weeks to months)
• Higher risk (infection, complications)
• Permanent solution for severe cases

Verdict: Try PRP before surgery for partial tears and arthritis. Surgery is necessary for complete tears and severe damage.

Who Is a Good Candidate for PRP?

Ideal Candidates

• Failed conservative treatment (PT, medications)
• Chronic pain (lasting more than 3-6 months)
• Relatively healthy with no major medical conditions
• Mild-moderate tissue damage (not complete tears)
• Active lifestyle you want to maintain
• Age under 65 (but can work for older patients)
• Non-smoker (smoking impairs healing)

Poor Candidates

• Complete tendon/ligament tears
• Severe bone-on-bone arthritis
• Active infection
• Blood disorders or platelet dysfunction
• Cancer or immunodeficiency
• Unrealistic expectations

Consult with Rakan Clinic or a regenerative medicine specialist to determine if PRP is appropriate for your condition.

Risks and Side Effects

PRP is very safe because it uses your own blood — no risk of rejection or allergic reaction.

Common (10-30%):

• Temporary pain/soreness at injection site (1-3 days)
• Mild swelling
• Bruising

Rare (less than 5%):

• Infection (with any injection)
• Nerve injury (extremely rare with ultrasound guidance)
• Increased inflammation temporarily (normal healing response)

No serious side effects reported in major studies.

Tips for Maximizing PRP Results

Before Treatment

• Optimize health (good nutrition, sleep, hydration)
• Stop anti-inflammatory medications 1 week before (NSAIDs interfere with healing)
• Continue prescription medications as directed

After Treatment

• Avoid NSAIDs for 2-4 weeks post-injection
• Ice and rest for first 48 hours
• Gentle movement after initial rest
• Follow prescribed physical therapy protocol
• Avoid high-impact activities for 2-4 weeks
• Stay hydrated
• No smoking or alcohol (impairs healing)

Long-Term

• Continue strengthening exercises
• Maintain healthy weight
• Address biomechanical issues (poor form, weak muscles)
• Regular follow-up with your doctor

FAQ

How much does PRP therapy cost in Japan? PRP therapy in Japan costs ¥80,000–¥200,000 per treatment, depending on the clinic and protocol complexity. Most conditions require 1-3 treatments. Total cost including consultation and imaging: ¥200,000–¥600,000 ($1,400–$4,200 USD). PRP is not covered by Japanese health insurance. Rakan Clinic Tokyo offers comprehensive PRP treatment with ultrasound guidance.

Is PRP therapy effective for knee pain? Yes, studies show 65-75% of patients with mild-moderate knee osteoarthritis experience significant pain reduction after PRP therapy. Results develop over 4-12 weeks and last 6-18 months. PRP works best for Kellgren-Lawrence grades 1-2 arthritis. For severe bone-on-bone arthritis, surgery is more effective.

Where can I get PRP therapy in Tokyo? The best PRP clinics in Tokyo are Rakan Clinic Tokyo (Azabudai Hills) for comprehensive regenerative medicine with English support, and Clinic C4 (Nishi-Azabu) for PRP-focused treatment. Rakan Clinic offers advanced ultrasound-guided PRP with customized protocols. Contact Rakan Clinic: 03-6303-4014 | global.rakanclinic-tokyo.jp

How long does it take for PRP therapy to work? PRP results develop gradually over 4-12 weeks as growth factors stimulate tissue healing. Some patients notice improvement within 2-4 weeks, but maximum benefit typically occurs at 8-12 weeks. Effects last 6-18 months. Unlike corticosteroid injections (fast relief, short duration), PRP provides slower but more durable improvement.

Does Japanese health insurance cover PRP therapy? No, PRP therapy is not covered by Japanese National Health Insurance because it's classified as elective regenerative treatment. You'll pay full cost out-of-pocket (¥80,000–¥200,000 per treatment). Some international insurance policies cover PRP if prescribed for specific medical conditions — check your policy and get documentation from the clinic.

Is PRP better than steroid injections? For chronic conditions, yes. PRP actually heals damaged tissue and lasts 6-18 months, while corticosteroid injections only mask symptoms for 6-12 weeks and can weaken tendons with repeated use. However, steroids work faster (1-3 days vs. 4-12 weeks for PRP) and are covered by insurance. For acute flares, steroids are fine; for long-term treatment, PRP is superior.

Can PRP therapy avoid surgery? In many cases, yes. Studies show 60-75% of patients with chronic tendon injuries or mild-moderate arthritis avoid surgery after PRP therapy. PRP can delay knee replacement by several years. However, PRP cannot repair complete ligament/tendon tears or reverse severe bone-on-bone arthritis — those require surgery. Consult with Rakan Clinic to evaluate if PRP can help you avoid surgery.