Related Experiment Video
Updated: Jun 14, 2026
06:45
Rating L-DOPA-Induced Dyskinesias in the Unilaterally 6-OHDA-Lesioned Rat Model of Parkinson's Disease
Published on: October 4, 2021
When do levodopa motor fluctuations first appear in Parkinson's disease?
Fabrizio Stocchi1, Peter Jenner, Jose A Obeso
1Institute of Neurology, IRCCS San Raffaele Pisana, Rome, Italy. fabrizio.stocchi @ sanraffaele.it
European Neurology
|March 25, 2010
Summary
Early Parkinson's disease patients may experience levodopa wearing-off sooner than expected. Recognizing this early end-of-dose deterioration is crucial for long-term management and treatment strategies.
Area of Science:
- Neurology
- Pharmacology
Background:
- Levodopa is a primary treatment for Parkinson's disease (PD).
- Patients often experience 'wearing-off' or end-of-dose deterioration, indicating disease progression.
- This phenomenon is typically associated with later PD stages.
Purpose of the Study:
- To review preclinical and clinical evidence on early levodopa wearing-off in Parkinson's disease.
- To explore the pathophysiology and clinical relevance of early-onset wearing-off.
- To emphasize the importance of recognizing early fluctuations in dopaminergic therapy response.
Main Methods:
- Review of existing preclinical research.
- Analysis of clinical studies and patient data.
- Synthesis of evidence regarding motor fluctuations in early PD.
Main Results:
- Evidence suggests early wearing-off can occur even in the initial 'honeymoon phase' of levodopa treatment.
- Patients with seemingly well-controlled early PD may already exhibit response fluctuations.
- The pathophysiology and clinical significance of early wearing-off require further investigation.
Conclusions:
- Early recognition of levodopa wearing-off is critical for Parkinson's disease patients.
- Early-onset fluctuations impact long-term disease outcomes.
- Identifying early wearing-off is essential for optimizing medication regimens.
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