Parkinson's drug tested for eye disease
NCT ID NCT03197493
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study tests a drug called carbidopa-levodopa (Sinemet), typically used for Parkinson's disease, in people with wet age-related macular degeneration (AMD). It is a 9-month extension for 35 participants who completed an earlier study. The goal is to see if the drug can help maintain vision and reduce retinal swelling.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
carbidopa-levodopa (Sinemet)
What this could lead to
If it works, this could point toward a new oral treatment to help control vision loss in wet age-related macular degeneration.
What could go wrong
This is a small, early-phase extension study with only 35 participants. It may not show clear benefits, and the drug can cause side effects like nausea or dizziness.
Disclaimer
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Robert W Snyder, MD, PhD, PC
Tucson, Arizona, 85712, United States