Can a pill that blocks a brain protein ease Parkinson's without levodopa?
NCT ID NCT07725562
First seen Jul 24, 2026 · Last updated Jul 24, 2026
Summary
This trial tests an experimental oral medication called VG081821AC for people with early to mid-stage Parkinson's disease. The drug blocks a brain protein called the adenosine A2A receptor, which may improve movement symptoms without using levodopa. About 152 adults in China will be randomly assigned to one of three doses of VG081821AC or a placebo, and researchers will measure changes in motor function after 12 weeks.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- an oral small-molecule adenosine A2A receptor antagonist called VG081821AC
- What this could lead to
- If it works, this could offer a new treatment option for people with early to mid-stage Parkinson's who want to delay or avoid starting levodopa.
- What could go wrong
- This is an early-to-mid-stage trial with only 152 participants, so results may not apply broadly. The drug may cause side effects or fail to improve symptoms better than a placebo.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Xuanwu Hospital of Capital Medical University
RECRUITINGBeijing, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
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