Clinical trials: Levodopa
Parkinson Disease
A 12-week Study of Pramipexole Extended Release (ER) in Patients With Parkinson's Disease (PD), Followed by a 52-week Long-term Treatment Period
The objective of this trial is to investigate the safety, tolerability, trough plasma concentration, and efficacy of pramipexole ER in comparison with those of pramipexole IR administrated orally for 12 weeks in patients with PD…
- Trial name
- NCT00560508
- Testing
- Pramipexole Immediate Release, Pramipexole Extended Release
- Where
- 19 sites in Japan
- Volunteers
- 112 people
- Sponsor
- Boehringer Ingelheim
Parkinson Disease
Study of BIA 9-1067 to Investigate Its Effect on Levodopa Pharmacokinetic
To investigate the effect of repeated dosing of BIA 9-1067 on the levodopa pharmacokinetics, in comparison to placebo and entacapone.
- Trial name
- NCT01519284
- Testing
- BIA 9-1067 5 mg, Entacapone, levodopa/carbidopa
- Where
- Portugal
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Bial - Portela C S.A.
Parkinson's Disease
Study of Azilect® (Rasagiline) in Levodopa-treated Parkinson's Disease Patients With Motor Fluctuations in Korea
To evaluate the efficacy of a fixed dose of Azilect® (1 mg/day) vs placebo as assessed by the change from baseline in mean total daily OFF time during 18 weeks of treatment in levodopa-treated Parkinson's Disease (PD) patients…
- Trial name
- NCT01268891
- Testing
- Azilect®
- Volunteers
- 132 people
- Sponsor
- H. Lundbeck A/S
Depression
Inflammation-related Alterations in Neurocircuitry: Reversal With Levodopa
The purpose of this study is to learn more about the changes that happen in the brain and the body when a person is depressed. This study will determine if the level of inflammation in the body is related to symptoms of…
- Trial name
- NCT02513485
- Testing
- Levodopa+carbidopa
- Where
- United States
- Volunteers
- 57 people
- Sponsor
- Emory University
Parkinson's Disease
A Long-Term Extension Trial From Late Phase II of SPM 962 in Advanced Parkinson's Disease Patients
The primary objective of this study is to investigate safety of SPM 962 in advanced PD patients in a multi-center, open-label, non-controlled study following once-daily multiple transdermal doses of SPM962 within a range of 4.5…
- Trial name
- NCT01631812
- Testing
- SPM 962
- Where
- 7 sites in Japan
- Volunteers
- 130 people
- Sponsor
- Otsuka Pharmaceutical Co., Ltd.
Parkinson Disease
Effect of Levodopa on Postural Motor Learning in Parkinson Disease
The primary goal of this project is to gain a better understanding of whether and how levodopa (a common anti-Parkinson disease medication) alters postural motor learning in people with Parkinson disease.
- Trial name
- NCT02239978
- Testing
- Postural perturbation
- Where
- 3 sites in United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Depression, HIV Infections
PET Imaging of the Dopaminergic and Serotonergic Systems in Treated HIV Positive Subjects
Background: Human immunodeficiency virus (HIV) infection is a serious disease with no cure. Some people with HIV have depression and other mood problems. They can have problems with thinking and memory.
- Conditions
- Depression, HIV Infections, HIV-Associated Cognitive Motor Complex
- Trial name
- NCT03581305
- Testing
- 18F-FDOPA, 11C-DASB
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Parkinson's Disease
Efficacy and Safety of BIA 9-1067 in Idiopathic Parkinson's Disease Patients.
Parkinson's disease (PD) is a neurodegenerative disorder of unknown aetiology with an estimated incidence of 4.5-16/100,000 persons/year.
- Trial name
- BIPARKII (NCT01227655)
- Testing
- BIA 9-1067, Levodopa, Carbidopa
- Where
- Portugal
- Volunteers
- 427 people
- Sponsor
- Bial - Portela C S.A.
Parkinson Disease
The SUSTAIN Study Compares the Effects of Sustained and Immediate-release Pramipexole on the noctUrnal Symptoms of paTients With Advanced ParkInsoN's Disease Who Also Take L-Dopa
The main objective of the study is to explore firstly, then further evaluate and confirm the efficacy between Pramipexole Sustained Release (SR) versus Pramipexole Immediate Release (IR) on nocturnal symptoms (as measured by the…
- Trial name
- NCT03521635
- Testing
- Pramipexole SR, Pramipexole IR
- Where
- 12 sites in China
- Volunteers
- 98 people
- Sponsor
- Boehringer Ingelheim
Parkinson Disease
A Study to Evaluate the Efficacy and Safety of Safinamide, as add-on Therapy, in Idiopathic Chinese Parkinson's Disease (PD) Patients With Motor Fluctuations Treated With Stable Doses of Levodopa
This is a Phase III, multicentre, randomised, double-blind, placebo-controlled study to evaluate the effects of 100 mg safinamide, administered orally once daily (OD), in Chinese Parkinson's disease (PD) patients, experiencing…
- Trial name
- NCT03881371
- Testing
- Safinamide
- Where
- 31 sites in China
- Volunteers
- 307 people
- Sponsor
- Zambon SpA
Angelman Syndrome
A Trial of Levodopa in Angelman Syndrome
This study is designed to determine whether levodopa will lead to an improvement in the development and tremor in children with Angelman syndrome (AS).
- Trial name
- NCT01281475
- Testing
- Levodopa
- Where
- 7 sites in United States
- Volunteers
- 67 people
- Sponsor
- Wen-Hann Tan
Idiopathic Parkinson's Disease
Efficacy and Safety Study of CVT-301 In Parkinson's Disease Patients With OFF Episodes
This randomized, multicenter, placebo-controlled, double-blind study will evaluate the efficacy and safety of inhaled CVT 301 compared with placebo in PD patients experiencing motor response fluctuations (OFF phenomena) as an…
- Trial name
- SPAN-PD™ (NCT02240030)
- Testing
- CVT-301 Low Dose, CVT-301 High Dose
- Where
- 74 sites in United States, Canada and 3 more
- Volunteers
- 351 people
- Sponsor
- Acorda Therapeutics
Parkinson's Disease (PD)
Pharmacokinetic-pharmacodynamic Interaction Between Each of Three Different Single Doses of BIA 9-1067 and a Single-dose of Controlled-release 100/25 mg Levodopa/Carbidopa
To investigate the effect of three single oral doses of BIA 9-1067 (25 mg, 50 mg and 100 mg) on the levodopa pharmacokinetics when administered in combination with a single-dose of controlled-release levodopa/carbidopa 100/25 mg…
- Trial name
- NCT02169453
- Testing
- BIA 9-1067, Sinemet® CR 100/25
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Bial - Portela C S.A.
Parkinson's Disease, Helicobacter Infections
Treating H. Pylori in Parkinson's Patients With Motor Fluctuations
The purpose of this study is to determine whether treatment of H. pylori (an infection of the stomach) improves treatment effectiveness in patients with Parkinson's disease and motor fluctuations.
- Conditions
- Parkinson's Disease, Helicobacter Infections, Motor Fluctuations
- Trial name
- NCT00664209
- Testing
- clartihromycin, amoxicillin, and omeprazole
- Where
- United States
- Volunteers
- 64 people
- Sponsor
- University of California, Los Angeles
Parkinson's Disease
A Study to Compare IPX066 and Carbidopa/Levodopa/Entacapone (CLE) Followed by an Open-Label Safety Study of IPX066
This is a study to compare the efficacy of IPX066 and CLE in subjects with advanced Parkinson's disease.
- Trial name
- NCT01130493
- Testing
- IPX066, CLE
- Where
- 24 sites in United States, France and 2 more
- Volunteers
- 110 people
- Sponsor
- Impax Laboratories, LLC
Parkinson Disease
Acute Effects of Preladenant (SCH 420814) on Dyskinesia and Parkinsonism in Levodopa Treated Participants (P05550)
This is a randomized, placebo-controlled, 3-period crossover, balanced, single-site, third party-blind study of preladenant (SCH 420814) in participants with Parkinson disease (PD) to be conducted in conformance with Good…
- Trial name
- NCT00845000
- Testing
- SCH 420814 10 mg, SCH 420814 100 mg, Levodopa
- Volunteers
- 12 people
- Sponsor
- Merck Sharp & Dohme LLC
Parkinson's Disease
Therapeutic Potential for Intranasal Levodopa in Parkinson's Disease -Off Reversal
A Phase IIa, Randomized, Double Blind, Placebo Controlled, Single Dose, Safety and Pharmacokinetic/Pharmacodynamic Study of INP103 (POD L-dopa) Administered in the Presence of Decarboxylase Inhibitor to L-dopa Responsive…
- Trial name
- THOR201 (NCT03541356)
- Testing
- L-dopa 35 mg, L-dopa 70mg, L-dopa 140 mg
- Where
- 5 sites in Australia
- Volunteers
- 32 people
- Sponsor
- Impel Pharmaceuticals
Parkinson's Disease
Parcopa Versus Carbidopa-levodopa in a Single Dose Cross-over Comparison Study
To find out if a single dose of Parcopa®, a form of levodopa that dissolves in your mouth, works faster than regular oral levodopa which is swallowed, in fluctuating PD patients.
- Trial name
- NCT00590122
- Testing
- Parcopa, carbidopa-levodopa (Sinemet)
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Baylor College of Medicine
Parkinson's Disease, Levodopa Induced Dyskinesia (LID)
Efficacy and Safety of Amantadine Hydrogen Chloride (HCl) ER Tablets in Parkinson's Disease Subjects With LID
The purpose of this multi-center, randomized, double-blind, parallel-group, 26 week study is to compare the efficacy and safety of two different dose levels of Amantadine Extended Release Tablets to placebo for the treatment of…
- Trial name
- ALLAY-LID-II (NCT02153632)
- Testing
- amantadine HCl ER
- Where
- 56 sites in United States, Canada and 3 more
- Volunteers
- 135 people
- Sponsor
- Adamas Pharmaceuticals, Inc.
Parkinson's Disease (PD)
A Study to Evaluate the Safety and Tolerability of ABBV-951 in Subjects With Parkinson's Disease (PD)
The purpose of this study was to assess the safety and tolerability of ABBV-951 (Foslevodopa/Foscarbidopa) in participants with Parkinson's disease (PD).
- Trial name
- NCT03781167
- Testing
- ABBV-951
- Where
- 65 sites in United States, Australia and 11 more
- Volunteers
- 244 people
- Sponsor
- AbbVie