Clinical trials: Levodopa
Parkinson Disease
Long-Term Dopamine Transporter Imaging and Clinical Assessment of Parkinson's Disease Progression
The purpose of this project is to assess the change in dopamine transporter density in Parkinson's disease subjects during a sixty month period including a nine month treatment trial of levodopa.
- Trial name
- ELLDOPA (NCT00134784)
- Testing
- [123I]B-CIT SPECT imaging
- Volunteers
- 142 people
- Sponsor
- Institute for Neurodegenerative Disorders
Parkinson's Disease
A Long Term Safety Study of ND0612 Administered as a Continuous SC Infusion in Advanced Parkinson's Disease
This is a multi-center, international, open-label, safety study of ND0612, a solution of levodopa/carbidopa (LD/CD) delivered via a pump system as a continuous SC infusion in subjects with advanced Parkinson's Disease (PD).
- Trial name
- BeyoND (NCT02726386)
- Testing
- ND0612
- Where
- 57 sites in United States, Austria and 7 more
- Volunteers
- 214 people
- Sponsor
- NeuroDerm Ltd.
Cocaine Dependence
Imaging the Neurobiology of Behavioral and Medication Treatment for Cocaine Dependence
The proposed study will look at cocaine dependent individuals and will consist of three consecutive phases: 1) the 2-week outpatient lead-in phase during which behavioral therapy will be administered; 2) the 15-21 day inpatient…
- Trial name
- COST (NCT01468012)
- Testing
- levodopa carbidopa and entacapone (LCE)
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Dyskinesia, Levodopa-Induced Dyskinesia (LID)
Efficacy and Safety Study of ADS-5102 in PD Patients With Levodopa-Induced Dyskinesia
This is a multi-center, randomized, double-blind, placebo-controlled, 2-arm, parallel group study to evaluate the efficacy and safety of ADS-5102 extended release (ER) capsules, an investigational formulation of amantadine, dosed…
- Conditions
- Dyskinesia, Levodopa-Induced Dyskinesia (LID), Parkinson's Disease (PD)
- Trial name
- EASE LID 3 (NCT02274766)
- Testing
- ADS-5102
- Where
- 51 sites in United States, Austria and 3 more
- Volunteers
- 77 people
- Sponsor
- Adamas Pharmaceuticals, Inc.
Parkinson Disease
Relative Bioavailability Study of Ropinirole Implants in Parkinson's Patients on L-Dopa Switched From Oral Ropinirole
Subjects stable on L-Dopa and oral ropinirole will have their ropinirole replaced with the Ropinirole Implant(s). The Ropinirole Implant was designed using the ProNeura™ implant technology where the implant is inserted under the…
- Trial name
- NCT03250117
- Testing
- Ropinirole oral product, Ropinirole Implant
- Where
- 3 sites in United States
- Volunteers
- 6 people
- Sponsor
- Titan Pharmaceuticals
Parkinson Disease
Flexible-Dose, Adjunctive Therapy Trial in Adults With Parkinson's Disease With Motor Fluctuations (TEMPO-3)
The purpose of this study is to assess the effect of tavapadon on the change from baseline in total daily hours of "on" time without troublesome dyskinesia in L-Dopa-treated participants with Parkinson's Disease (PD) who are…
- Trial name
- NCT04542499
- Testing
- Tavapadon
- Where
- 146 sites in United States, Australia and 12 more
- Volunteers
- 507 people
- Sponsor
- AbbVie
Parkinson's Disease, Levodopa Induced Dyskinesias (LID)
Efficacy and Safety of Amantadine Hydrochloride (HCl) ER Tablets to Treat Parkinson's Disease Patients With LID.
This study was terminated early due to slow enrollment with 87 of 162 planned subjects enrolled. The purpose of this multi-center, randomized, double-blind, parallel-group, 16 week study is to compare the efficacy and safety of…
- Trial name
- ALLAY-LID-I (NCT02153645)
- Testing
- 240mg Amantadine HCl ER tablets, 320mg Amantadine HCl ER tablets
- Where
- 56 sites in United States, Canada and 3 more
- Volunteers
- 87 people
- Sponsor
- Adamas Pharmaceuticals, Inc.
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 With End of Dose Wearing Off
Effects of Carbidopa/Levodopa/Entacapone on Motor Function and Quality of Life in Patients With Parkinson's Disease
To assess motor function and quality of life (QoL) in Parkinson's disease (PD) subjects with end-of-dose wearing off, comparing immediate and delayed switch to carbidopa/levodopa and entacapone.
- Trial name
- NCT00219284
- Testing
- Carbidopa/levodopa/entacapone
- Where
- 42 sites in United States, Puerto Rico
- Volunteers
- 359 people
- Sponsor
- Novartis Pharmaceuticals
Parkinson's Disease
Carbidopa/Levodopa/Entacapone Versus Immediate Release (IR) Carbidopa/Levodopa on Non-motor Symptoms in Patients With Idiopathic Parkinson's Disease and Demonstrating Non-motor Symptoms of Wearing Off
The purpose of this study is to test the effects of carbidopa/levodopa/entacapone compared to the effects of immediate-release carbidopa/levodopa on non-motor symptoms of end-of-dose wearing off in persons who have Parkinson's…
- Trial name
- NCT00642356
- Testing
- Carbidopa/levodopa/entacapone, Immediate release carbidopa/levodopa
- Where
- 21 sites in United States
- Volunteers
- 14 people
- Sponsor
- Novartis
Parkinson's Disease
A Phase 3, Long-term, Extension Study of TVP-1012 (1 mg) in Early Parkinson's Disease Participants
The purpose of this study is to evaluate the long-term safety of TVP-1012 (1 mg/day) in Japanese participants with early Parkinson's disease.
- Trial name
- NCT02337751
- Testing
- TVP-1012 1mg
- Where
- 56 sites in Japan
- Volunteers
- 198 people
- Sponsor
- Takeda
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
Advanced Parkinson's Disease
Study of Efficacy, Safety and Tolerability of Levodopa-Carbidopa Intestinal Gel in Levodopa-Responsive Parkinson's Subjects
The primary objective of this study was to demonstrate the superiority of levodopa - carbidopa intestinal gel over treatment with optimized oral levodopa/carbidopa during 12 weeks.
- Trial name
- NCT00660387
- Testing
- Levodopa carbidopa intestinal gel (LCIG), Levodopa-carbidopa (LC) oral encapsulated immediate release (IR) tablets, CADD-Legacy® 1400 ambulatory infusion pump
- Where
- 14 sites in United States, New Zealand
- Volunteers
- 35 people
- Sponsor
- AbbVie (prior sponsor, Abbott)
Parkinson Disease
Clinical Evaluation of Ropinirole Prolonged Release/Extended Release (PR/XR) Tablet for Adjunctive Therapy to L-dopa in Subjects With Advanced Parkinson's Disease
To investigate the efficacy and the safety of ropinirole PR/XR tablets to ropinirole immediate release (IR) tablets with advanced Parkinson's disease in conjunction with L-dopa in a double-blind, parallel group comparison study.
- Trial name
- NCT00823836
- Testing
- ropinirole PR/XR, ropinirole IR
- Where
- 54 sites in Japan
- Volunteers
- 302 people
- Sponsor
- GlaxoSmithKline
Idiopathic Parkinson's Disease
The Effect of Pramipexole on Metabolic Network Activity Compared With Levodopa in Early Parkinson's Disease
Levodopa and non-ergot dopaminergic agonists such as pramipexole are both recommended as the first-line symptomatic treatment for early untreated Parkinson's disease (PD), previous clinical trial indicated that initial…
- Trial name
- NCT01470859
- Testing
- pramipexole, Sinemet CR
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Huashan Hospital
Parkinson's Disease
A Study to Investigate the Tolerability and Effect of Three Single-dose Regimens of BIA 9-1067
The purpose of this study is to investigate the effect of BIA 9-1067 on the levodopa pharmacokinetics when administered in combination with immediate release levodopa/carbidopa or levodopa/benserazide in Parkinson's Disease (PD)…
- Trial name
- NCT01568034
- Testing
- BIA 9-1067, Levodopa/Carbidopa, Levodopa/Benzerazide
- Where
- 3 sites in Portugal, Romania and 1 more
- Volunteers
- 10 people
- Sponsor
- Bial - Portela C S.A.
Parkinson Disease
A Fixed Dose Study of Ropinirole Prolonged Release as Adjunctive Treatment in Patients With Advanced Parkinson's Disease
This is a double blind, fixed dose, parallel group study to characterize the dose response of ropinirole PR as adjunctive therapy to L-dopa in patients with late stage Parkinson's disease.
- Trial name
- TANDEM-569 (NCT01494532)
- Testing
- ropinirole/L-dopa
- Where
- 52 sites in United States, Argentina and 5 more
- Volunteers
- 352 people
- Sponsor
- GlaxoSmithKline
Parkinson's Disease
A Long-term, Phase 3 Study of TVP-1012 (1 mg) in Levodopa Treated Parkinson's Disease Participants
The purpose of this study is to evaluate long-term safety of TVP-1012 (1 mg/day) with levodopa in Japanese participants with Parkinson's disease.
- Trial name
- NCT02337764
- Testing
- TVP-1012 1mg
- Where
- 24 sites in Japan
- Volunteers
- 222 people
- Sponsor
- Takeda
Parkinson's Disease
A Placebo- and Ropinirole-Controlled Study for SPM 962 in Advanced Parkinson's Disease Patients
To demonstrate the non-inferiority of SPM 962 to ropinirole in terms of efficacy in order to confirm clinical value of SPM 962. To demonstrate the superiority of SPM 962 to placebo in terms of efficacy.
- Trial name
- NCT01628926
- Testing
- SPM 962, Ropinirole
- Where
- 8 sites in Japan
- Volunteers
- 420 people
- Sponsor
- Otsuka Pharmaceutical Co., Ltd.
Advanced Stage Parkinson's Disease
An Open-Label Extension Trial to Assess the Safety of Long-Term Treatment of Rotigotine in Advanced-Stage Parkinson's Disease
The objective of this open-label extension is to assess the safety and tolerability of long-term treatment of the rotigotine patch in subjects with advanced-stage idiopathic Parkinson's disease
- Trial name
- NCT00501969
- Testing
- Rotigotine
- Where
- 53 sites in Australia, Austria and 15 more
- Volunteers
- 395 people
- Sponsor
- UCB Pharma