Study on Practical ExperienceS of Treatment With Foslevodopa/foScaRbidopa in Advanced Parkinson's Disease

This study is collecting real-world data on patients with advanced Parkinson's disease who are being treated with a medication called foslevodopa/foscarbidopa, delivered continuously under the skin through a pump. This is an observational study — researchers are tracking how patients do on this treatment in everyday clinical practice, not testing a new drug. **You may be eligible if...** - You have been diagnosed with Parkinson's disease that responds to levodopa treatment - Your doctor has prescribed you foslevodopa/foscarbidopa delivered by continuous infusion under the skin as part of your regular care - You have enrolled or are willing to enroll in the AbbVie Patient Support Program **You may NOT be eligible if...** - You have not been prescribed this specific medication as part of your routine care - You have not consented to join the patient support program Talk to your doctor to see if this trial is right for you.