Drugs are already available to treat the problem, and compression stockings are also often recommended. Even so, "having another drug in that arena is going to help a lot of people," he said.
The effects of the other two treatments are more modest, said Okun, who is also a neurology professor. Additional studies will help determine how noteworthy the effects are in real life, he said.
Findings presented at medical meetings should be considered preliminary until published in a peer-reviewed medical journal.
To learn more about Parkinson's disease, visit the National Parkinson Foundation.
Copyright © 2012 HealthDay. All rights reserved.