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Found 158 studies with search of: levodopa
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1 Recruiting Study of Efficacy, Safety and Tolerability of Levodopa-Carbidopa Intestinal Gel in Levodopa-Responsive Parkinson's Subjects
Condition: Advanced Parkinson's Disease
Interventions: Drug: levodopa-carbidopa intestinal gel with placebo capsules;   Drug: levodopa-carbidopa intestinal placebo gel with active oral medication (capsules containing levodopa-carbidopa tablets);   Device: CADD-Legacy® 1400 ambulatory infusion pump
2 Recruiting Study of Efficacy, Safety and Tolerability of Levodopa-Carbidopa Intestinal Gel in Levodopa-Responsive Parkinson's Subjects
Condition: Advanced Parkinson's Disease
Interventions: Drug: levodopa-carbidopa intestinal gel with placebo capsules;   Drug: levodopa-carbidopa intestinal placebo gel with active oral medication (capsules containing levodopa-carbidopa tablets);   Device: CADD-Legacy® 1400 ambulatory infusion pump
3 Active, not recruiting Pilot Study to Evaluate Levodopa as Treatment for Residual Amblyopia
Condition: Amblyopia
Interventions: Drug: levodopa/carbidopa;   Device: patching
4 Terminated Carbidopa/Levodopa/Entacapone Versus Immediate Release (IR) Carbidopa/Levodopa on Non-Motor Symptoms in Patients With Idiopathic Parkinson's Disease
Condition: Parkinson's Disease
Intervention: Drug: Carbidopa/levodopa/entacapone, IR carbidopa/levodopa
5 Terminated Carbidopa/Levodopa Versus Carbidopa/Levodopa/Entacapone on Markers of Event Related Potentials (ERPs) in Patients With Idiopathic Parkinson's Disease (PD) and End-of-Dose Wearing Off
Condition: Parkinson's Disease
Interventions: Drug: carbidopa/levodopa;   Drug: Carbidopa/Levodopa/Entacapone
6 Recruiting Study on Tolerability of Levodopa/Carbidopa in Children With Angelman Syndrome
Condition: Angelman Syndrome
Intervention: Drug: Levodopa/Carbidopa (4:1)
7 Recruiting Acute Effects of SCH 420814 on Dyskinesia and Parkinsonism in Levodopa Treated Patients (Study P05550AM1)
Conditions: Movement Disorders;   Dyskinesias;   Neurodegenerative Diseases;   Central Nervous System Diseases;   Brain Diseases
Interventions: Drug: Preladenant;   Drug: Levodopa infusion (IV);   Drug: Carbidopa;   Drug: Placebo matched to preladenant;   Drug: Placebo matched to Levodopa infusion (IV);   Drug: Placebo matched to Carbidopa 25-mg
8 Recruiting Levodopa-carbidopa Intestinal Gel Open-label Study in Advanced PD
Condition: Advanced Parkinson's Disease
Interventions: Drug: Levodopa-Carbidopa intestinal gel;   Device: CADD-Legacy® 1400
9 Recruiting Safety/Efficacy Study of Levodopa-Carbidopa Intestinal Gel in Parkinson's Subjects
Conditions: Parkinson's Disease;   Severe Motor Fluctuations;   Dyskinesia
Interventions: Drug: Levodopa-carbidopa intestinal gel;   Device: CADD-Legacy® 1400
10 Active, not recruiting Developing Objective Measures of Levodopa Induced Dyskinesia: (Study 1)
Conditions: Dyskinesias;   Movement Disorders;   Parkinson Disease
Intervention: Drug: Levodopa (delivered intravenously)
11 Active, not recruiting Efficacy of Levodopa/Carbidopa/Entacapone vs. Levodopa/Carbidopa in Parkinson's Disease Patients With Early Wearing Off
Condition: Parkinson's Disease
Intervention: Drug: Levodopa/carbidopa/entacapona
12 Not yet recruiting Open Label Continuation Treatment Study With Levodopa-Carbidopa Intestinal Gel in Advanced PD
Condition: Advanced Parkinson's Disease
Interventions: Drug: Levodopa-carbidopa intestinal gel;   Device: CADD-Legacy® 1400 ambulatory infusion pump
13 Recruiting Dopaminergic Effects on Cortical Function in Tourette's (Levodopa Protocol)
Condition: Tourette Syndrome
Interventions: Drug: levodopa solution for i.v. administration;   Drug: placebo
14 Completed A Study to Evaluate Fixed Dose Carbidopa/Levodopa/Entacapone Versus Immediate Release Carbidopa/Levodopa
Condition: Parkinson's Disease
Intervention: Drug: capsules containing: carbidopa (25 mg), levodopa (100 mg), entacapone (200 mg)
15 Completed Bioequivalence Study of Carbidopa/Levodopa/Entacapone Combination vs. Carbidopa/Levodopa Combination Plus Entacapone in Healthy Volunteers
Condition: Healthy
Intervention: Drug: ELC200 (carbidopa+levodopa+entacapone)
16 Completed Bioequivalence Study of Carbidopa/Levodopa/Entacapone Combination vs. Carbidopa/Levodopa Combination Plus Entacapone in Healthy Volunteers
Condition: Healthy
Intervention: Drug: ELC200 (carbidopa+levodopa+entacapone)
17 Completed Bioequivalence Study of Carbidopa/Levodopa/Entacapone Combination vs. Carbidopa/Levodopa Combination Plus Entacapone in Healthy Volunteers
Condition: Healthy
Intervention: Drug: ELC200 (carbidopa+levodopa+entacapone)
18 Completed Bioequivalence Study of Carbidopa/Levodopa/Entacapone Combination vs. Carbidopa/Levodopa Combination Plus Entacapone Under Fasting Conditions in Healthy Volunteers
Condition: Healthy
Intervention: Drug: ELC200 (carbidopa+levodopa+entacapone)
19 Completed Efficacy and Safety of Carbidopa/Levodopa/Entacapone in Patients With PD Requiring Initiation of Levodopa Therapy
Condition: Parkinson's Disease
Intervention: Drug: carbidopa, levodopa, entacapone
20 Completed Effect of Levodopa on Human Multifocal Electroretinogram
Condition: Retinal Diseases
Intervention: Drug: levodopa

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