Levodopa

Generic Name
Levodopa
Brand Names
Dhivy, Duodopa, Duopa, Inbrija, Parcopa, Prolopa, Rytary, Sinemet, Stalevo
Drug Type
Small Molecule
Chemical Formula
C9H11NO4
CAS Number
59-92-7
Unique Ingredient Identifier
46627O600J
Background

Levodopa is a prodrug of dopamine that is administered to patients with Parkinson's due to its ability to cross the blood-brain barrier. Levodopa can be metabolised to dopamine on either side of the blood-brain barrier and so it is generally administered with a dopa decarboxylase inhibitor like carbidopa to prevent metabolism until after it has crossed the b...

Indication

Levodopa on its own is formulated as an oral inhalation powder indicated for intermittent treatment of off episodes in Parkinson's patients who are already being treated with carbidopa and levodopa. Levodopa is most commonly formulated as an oral tablet with a peripheral dopa decarboxylase inhibitor indicated for treatment of Parkinson's disease, post-enceph...

Associated Conditions
Paralysis agitans, Parkinson's Disease (PD), Parkinsonism, Parkinsonism post encephalitic, Restless Legs Syndrome (RLS), Advanced Motor fluctuations
Associated Therapies
-

Behavioral Therapy Combined With Carbidopa/Levodopa for the Treatment of Cocaine Dependence

Phase 2
Completed
Conditions
First Posted Date
2005-09-22
Last Posted Date
2016-01-05
Lead Sponsor
The University of Texas Health Science Center, Houston
Target Recruit Count
200
Registration Number
NCT00218075
Locations
🇺🇸

University of Texas Health Science Center, Houston, Texas, United States

Dopamine Turnover Rate as Surrogate Parameter for Diagnosis of Early Parkinson's Disease

Phase 4
Completed
Conditions
Interventions
First Posted Date
2005-09-12
Last Posted Date
2012-12-18
Lead Sponsor
Technische Universität Dresden
Target Recruit Count
39
Registration Number
NCT00153972
Locations
🇩🇪

Department of Nuclear Medicine at the Technical University of Dresden, Dresden, Saxony, Germany

🇩🇪

Department of Neurology at the Technical University of Dresden, Dresden, Saxony, Germany

Dopaminergic Enhancement of Learning and Memory in Healthy Adults and Patients With Dyslexia

Phase 4
Conditions
First Posted Date
2005-05-20
Last Posted Date
2014-12-05
Lead Sponsor
University Hospital Muenster
Target Recruit Count
100
Registration Number
NCT00111371
Locations
🇩🇪

Dept. of Neurology, University Hospital of Muenster, Muenster, North-Rhine Westphalia, Germany

Improved Language Acquisition With Levodopa

Phase 4
Completed
Conditions
First Posted Date
2005-02-15
Last Posted Date
2014-05-21
Lead Sponsor
University Hospital Muenster
Target Recruit Count
20
Registration Number
NCT00103805
Locations
🇩🇪

Dept. of Neurology, University Hospital Muenster, Muenster, Nordrhein-Westfalen, Germany

Dopaminergic Enhancement of Learning and Memory in Aphasia

Phase 4
Completed
Conditions
First Posted Date
2005-02-04
Last Posted Date
2013-10-07
Lead Sponsor
University Hospital Muenster
Target Recruit Count
12
Registration Number
NCT00102869
Locations
🇩🇪

Dept. of Neurology, University Hospital Muenster, Muenster, Nordrhein-Westfalen, Germany

Neuromodulation and Language Acquisition (Project Stage Ia)

Phase 4
Terminated
Conditions
First Posted Date
2005-01-27
Last Posted Date
2010-01-27
Lead Sponsor
University Hospital Muenster
Target Recruit Count
100
Registration Number
NCT00102284
Locations
🇩🇪

Dept. of Neurology, University Hospital Muenster, Muenster, Nordrhein-Westfalen, Germany

Study of the Effects of Dopaminergic Medications on Dopamine Transporter Imaging in Parkinson's Disease

Phase 2
Completed
Conditions
First Posted Date
2004-11-15
Last Posted Date
2010-09-29
Lead Sponsor
Institute for Neurodegenerative Disorders
Target Recruit Count
112
Registration Number
NCT00096720
Locations
🇺🇸

Northwestern University, Chicago, Illinois, United States

🇺🇸

Boston University Medical Center, Boston, Massachusetts, United States

🇺🇸

Lahey Clinic Medical Center, Burlington, Massachusetts, United States

and more 10 locations

Timing of Levodopa Treatment in Parkinson's Disease

Phase 3
Completed
Conditions
First Posted Date
2000-02-28
Last Posted Date
2005-06-24
Lead Sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
Registration Number
NCT00004733
Locations
🇺🇸

Columbia University Health Sciences, New York, New York, United States

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