View clinical trials related to Parkinson's Disease.
Filter by:The aim of the study is to determine whether galantamine stabilizes or improves thinking abilities in individuals with Parkinson's disease. Individuals included in the study have minor complaints about thinking such as problems with concentration or memory but do not have dementia. This medication has been shown to have a positive effect on stabilizing memory in individuals with Alzheimer's disease. It is FDA approved for use in elderly individuals with Alzheimer's disease. It is hypothesized that galantamine will stabilize or improve executive and attentional functions in individuals with Parkinson's.
This study was designed to assess whether GPI 1485 has the ability to delay or stop disease progression and improve symptoms in patients with Parkinson's disease (PD) that is already being treated with a dopamine agonist therapy. Whether the drug is working will be assessed by evaluating clinical endpoints such as UPDRS scores and by evaluating images, obtained by SPECT scan, of brain activity. Participants in the study will be given either placebo or GPI 1485 treatment. The duration of the study is 2-years and patients are required to complete 12 safety visits and 3 SPECT scans. SPECT scans will be taken before, after 1-year, and after 2-years of treatment with GPI 1485. In completing the SPECT scan, patients will be injected with a radioactive investigational drug b-CIT and pictures taken using a Single Photon Emission Computed Tomography (SPECT) camera.
Based on Parkinson's disease (PD)/vitamin B12 deficiency symptom overlap and PD patients' propensity to avoid protein (the dietary source of vitamin B12), this study proposes to prospectively investigate the vitamin B12 status of PD patients over time. In addition, this study will provide critical pilot data evaluating the efficacy of treating those patients considered to have below-normal vitamin B12 levels in serum. Further, it will also explore the concept that supplementing PD patients having "low-normal" vitamin B12 levels with vitamin B12 improves either the non-motor PD symptoms or homocysteine levels in PD patients receiving levodopa. Study Hypotheses: 1. Serum cobalamin (B12) concentrations in patients with Parkinson's disease (PD) are significantly lower than B12 concentrations in a) cohabiting spousal caregiver controls; and b) population-based, age-matched controls. 2. Supplementation with B12 in levodopa-treated PD patients with low (<200 pg/ml) or low-normal (200-300 pg/ml) serum B12 levels is associated with significant improvement in their non-motor symptoms and reduces total plasma homocysteine concentration [Hcy], a known biomarker for risk of dementia and cerebrovascular disease.
The purpose of this study is to confirm the long term tolerability and safety of oral 20 or 40 mg/d doses of Istradefylline.
Study to look at the effectiveness, tolerability and safety of two doses of Rasagiline (0.5 mg and 1mg) in advanced Parkinson's Disease (PD) Patients who have been treated with Levodopa/Carbidopa therapy.
This is a study to look at the effectiveness, tolerability, and safety of one dose of rasagiline in advanced Parkinson's disease (PD) patients who have been treated with Levodopa/Carbidopa therapy.
Patients who completed the study TVP-1012/232 are eligible to enter the extension study to continue their rasagiline therapy for their Parkinson's disease (PD). During this study the patient's safety, tolerability of rasagiline, and effectiveness of this therapy will be monitored.
This study is to determine if Tyramine has any side effects on patients receiving 0.5mg, 1mg of Rasagiline or Placebo
Study to look at the effectiveness, tolerability and safety of two doses of Study Medication in Early Parkinson's Disease (PD) Patients who have not been treated with Levodopa.
Study for patients currently using Levodopa/Carbidopa who will be assigned to receive either Rasagiline or Placebo