What Is the Treatment for Patellofemoral Osteoarthritis?

Patellofemoral osteoarthritis is treated with a combination of physical therapy, pain management, supportive devices like taping or bracing, and in some cases, surgery. No single treatment is considered a gold standard for this condition, so management typically starts with conservative approaches and escalates based on how you respond.

Why This Type of Arthritis Is Treated Differently

Patellofemoral osteoarthritis affects the joint between your kneecap and the groove at the front of your thighbone. It’s distinct from the more common form of knee arthritis that wears down the inner or outer compartments of the knee. Because the kneecap tracks through a groove every time you bend or straighten your leg, treatments focus heavily on correcting how the kneecap moves and reducing the load on that specific joint surface. Activities like squatting, climbing stairs, and getting up from a chair tend to be the most painful, which shapes both the exercise programs and the surgical decisions used to treat it.

There are currently no disease-modifying therapies available, meaning nothing can reverse or halt the cartilage breakdown itself. Every treatment option is aimed at managing symptoms, improving function, or, in advanced cases, replacing the damaged joint surface.

Physical Therapy as the First-Line Approach

Targeted physiotherapy is the cornerstone of early treatment. Programs designed specifically for patellofemoral osteoarthritis focus on three areas: retraining how your quadriceps fire during everyday movements, strengthening both the quadriceps and hip muscles, and hands-on joint mobilization.

A typical program includes functional exercises like sit-to-stand practice, step-ups, and single-leg squats performed about four times per week. Quadriceps strengthening covers a range of positions, from seated leg extensions to wall squats. Hip abductor strengthening (the muscles on the outside of your hip) is a key addition because weakness there allows the knee to drift inward, increasing pressure on the kneecap. All exercises are scaled to your current pain level, strength, and any other issues like back or hip problems, then gradually progressed as you improve.

Education about managing the condition is also part of the program. Understanding which activities load the patellofemoral joint most heavily helps you modify your daily routine to reduce flare-ups while staying active.

Patellar Taping and Bracing

Taping the kneecap into a better position can provide meaningful pain relief, especially when combined with exercise. Two techniques are commonly used: McConnell taping, which uses rigid tape to physically reposition the kneecap, and kinesiology taping, which uses elastic tape to support the area.

Both methods reduce pain scores on a 10-point scale by clinically significant amounts over time. Kinesiology taping shows reductions of about 2.7 points at two weeks, growing to over 4 points by 12 weeks. McConnell taping reaches similar levels, with a reduction of roughly 4.5 points by six weeks. These aren’t subtle changes. A reduction of 2 points is considered the minimum threshold for a patient to notice a real difference, and both techniques consistently exceed that.

Taping works best as part of a broader program rather than a standalone fix. Your physical therapist can teach you to apply it yourself between sessions.

Pain Medications and Injections

Anti-inflammatory medications are commonly used alongside physical therapy, particularly in later stages when pain is harder to control. These help manage symptoms but come with well-known side effects, especially with long-term use, and their effectiveness varies from person to person.

For more targeted relief, two types of injections are used directly in the joint. Corticosteroid injections provide strong short-term pain control, typically peaking within the first month. Hyaluronic acid injections (a gel-like substance that mimics the joint’s natural lubricant) take longer to kick in but tend to outperform corticosteroids at later follow-ups, with effects typically lasting 6 to 12 months. Repeated courses of hyaluronic acid injections have also been shown to remain effective after a previous round of either injection type. Neither option changes the underlying disease, but both can create a window of reduced pain that makes it easier to participate in physical therapy.

Realignment Surgery for Specific Cases

When the kneecap tracks too far to the outside of its groove, a procedure called tibial tubercle osteotomy can reposition it. This involves moving the bony bump where your patellar tendon attaches, shifting the kneecap’s pull to a more centered line. It’s typically considered after conservative treatments and sometimes arthroscopic procedures have failed, and only when imaging confirms a specific structural problem: the kneecap sitting too high or pulling too far laterally.

This surgery is often combined with soft tissue balancing or cartilage restoration procedures. It’s not a general-purpose treatment for patellofemoral arthritis. It’s reserved for patients whose anatomy is measurably contributing to uneven cartilage wear, particularly those with excessive lateral force on the kneecap.

Patellofemoral Joint Replacement

When arthritis is severe and limited to the patellofemoral compartment, a partial joint replacement that resurfaces only the kneecap groove is an option. This preserves the rest of the knee and generally provides better functional outcomes than removing the damaged surface without replacing it. The ideal candidate has bone-on-bone arthritis confirmed on imaging, no significant arthritis in the other knee compartments, and often has an underlying groove shape abnormality called trochlear dysplasia.

The 10-year survival rate for patellofemoral replacement sits around 76%, with about 24% of patients eventually needing conversion to a total knee replacement. Half of those failures happen within the first 18 months, often due to persistent pain or mechanical issues with the implant. The most common long-term reason for failure is progression of arthritis into the other compartments of the knee, accounting for roughly 62% of conversions. This is why careful patient selection matters so much: if arthritis is already spreading beyond the patellofemoral joint, a total knee replacement is the better initial choice.

Total Knee Replacement as a Last Resort

Total knee arthroplasty replaces all three compartments of the knee and is considered when patellofemoral arthritis is advanced, has spread to other parts of the knee, or when a patellofemoral replacement has failed. It’s the most definitive surgical option but also the most invasive, with a longer recovery and permanent changes to knee mechanics. For isolated patellofemoral disease in the right patient, the more conservative partial replacement is generally preferred first.

What a Typical Treatment Path Looks Like

Most people start with a combination of physical therapy, taping, and over-the-counter anti-inflammatory medication. If pain persists after several months, injections are a reasonable next step, with hyaluronic acid offering the longer-lasting option. Surgery enters the conversation only after these approaches have been given a genuine trial. If imaging shows a specific alignment problem driving the cartilage damage, realignment surgery may be appropriate. For advanced, bone-on-bone disease isolated to the kneecap groove, partial joint replacement is the main surgical option. Total knee replacement is reserved for the most severe or widespread cases.

The lack of a single proven gold-standard treatment means your plan will likely be tailored and adjusted over time. What works well at one stage of the disease may need to be supplemented or replaced as the condition evolves.