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35 studies

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  • Dementia / Alzheimer'sParkinson's disease

    Phase 2 Trial of Tributyrin in People With Parkinson's Disease and Cognitive Impairments

    Testing whether a tributyrin supplement helps memory, thinking, and balance in adults with Parkinson

    📍 Domino's Farms · Ann Arbor, MI · Get directions →

    The goal of this clinical trial is to learn if taking a tributyrin supplement works to improve memory and thinking and walking and balance in adults with Parkinson disease Parkinson disease dementia. It will also learn about the safety of tributyrin supplementation.

    ✓ Study care freePhase 1Ages 45+Learn more →
  • Parkinson's disease

    Virtual tES Device Treatment for Parkinson's Disease Motor Symptoms

    Testing a non-invasive brain stimulation device to improve Parkinson’s movement problems

    📍 U LLC Headquarters · Cleveland, OH · Get directions →

    This study tests a new, non-invasive brain stimulation device called Sphere V3.0 to help improve movement problems in people with Parkinson's disease. The device delivers gentle electrical signals to the scalp using small electrodes placed on the head.

    ✓ Study care freePhase 1Ages 18–80Learn more →
  • Parkinson's disease

    Clinical Trial Evaluating the Efficacy and Safety of AGB101 for Treatment of Parkinson's Disease Related Psychosis

    Testing whether a low-dose seizure medicine can help Parkinson’s psychosis

    📍 Johns Hopkins · Baltimore, MD · Get directions →

    This clinical trial will test whether AGB101 (low-dose levetiracetam, 220 mg, extended release tablet) can improve symptoms of psychosis in Parkinson's disease. Participants will be asked to complete up to 5 in-person study visits over approximately 20 weeks.

    ✓ Study care freePhase 2Ages 40–85Learn more →
  • Parkinson's disease

    A Phase 2 Study and Open-Label Extension of NEU-411 in Companion Diagnostic-Positive Participants With Early Parkinson's Disease

    Testing a treatment in people with early Parkinson’s disease who have an LRRK2 gene test result

    📍 Banner Sun Health Research Institute · Sun City, AZ · +39 more US sites · Get directions →

    The goal of this Phase 2 clinical trial is to investigate the efficacy and safety of NEU-411 in men and women aged 40-80 years with early Parkinson's Disease (PD) who have predicted elevations in the activity of the "leucine-rich repeat kinase 2" ("LRRK2" for short) pathway based on their genetic profile. A DNA test will be used to identify the "LRRK2-driven" population with predicted elevation in the LRRK2 pathway.

    ✓ Study care freePhase 2Ages 40–80Learn more →
  • Parkinson's disease

    A Study of Buntanetap in Participants With PD

    Testing the long-term safety of buntanetap in people with Parkinson’s

    📍 University of Alabama at Birmingham · Birmingham, AL · +26 more US sites · Get directions →

    This study will examine the long-term safety of buntanetap in participants with PD. This will be a 36-month open-label safety study.

    ✓ Study care freePhase 2Ages 40–85Learn more →
  • Parkinson's disease

    A Study of CREXONT (Carbidopa and Levodopa) Extended-Release Capsules in Participants With Parkinson's Disease

    Testing a carbidopa and levodopa extended-release capsule in people with Parkinson’s

    📍 Barrow Neurological Institute · Phoenix, AZ · +26 more US sites · Get directions →

    The primary purpose of this study is to evaluate efficacy and safety of CREXONT under real world conditions in participants with Parkinson disease (PD).

    ✓ Study care freePhase 4Ages 18+Learn more →
  • DepressionParkinson's disease

    Imaging Depression in Parkinson's Disease

    Studying brain changes linked to depression in people with Parkinson’s

    📍 Yale University · New Haven, CT · Get directions →

    The goal of this observational study is to identify targetable neural substrates of depression in Parkinson's Disease for the first time in people with Parkinson's between the ages of 40 and 80, who are experiencing symptoms of depression.

    ✓ Study care freePhase 2Ages 40–80Learn more →
  • Parkinson's disease

    Ketamine for Veterans With Parkinson's Disease

    Testing ketamine for depression in veterans with Parkinson’s disease

    📍 San Francisco VA Medical Center, San Francisco, CA · San Francisco, CA · Get directions →

    Parkinson's disease (PD) is a devastating illness that has a growing impact on Veterans. One of the most disabling symptoms is depression, which is common in PD and linked to poor quality of life and higher risk of suicide.

    ✓ Study care freePhase 2Ages 40–80Learn more →
  • Parkinson's disease

    Early Longitudinal Imaging in the Parkinson's Progressive Marker Initiative (PPMI) Using (18F)AV-133 (PPMI AV-133 Prodromal Imaging)

    Tracking how brain scans change over time in people with early Parkinson’s

    📍 Institute for Neurodegenerative Disorders · New Haven, CT · +1 more US site · Get directions →

    The study is a longitudinal, multi-center study to assess progression of \[18F\] AV-133 imaging in Prodromal PD participants. Participants will be followed for up to 24 months.

    ✓ Study care freePhase 2Ages 18+Learn more →
  • DepressionParkinson's disease

    Psilocybin Therapy for Depression in Parkinson's Disease

    Testing whether psilocybin therapy improves depression symptoms in people with Parkinson’s disease

    📍 University of California, San Francisco · San Francisco, CA · Get directions →

    The purpose of this study is to understand whether people with Parkinson's Disease and depression have improvement in their symptoms after psilocybin therapy.

    ✓ Study care freePhase 2Ages 40–80Learn more →
  • Parkinson's disease

    Cortical Electrophysiology of Response Inhibition in Parkinson's Disease

    Studying how deep brain stimulation in Parkinson’s affects brain control of stopping actions

    📍 Emory University Hospital · Atlanta, GA · +1 more US site · Get directions →

    Patients with Parkinson's Disease will be studied before, during, and after a deep brain stimulation implantation procedure to see if the stimulation location and the size of the electrical field produced by subthalamic nucleus (STN) DBS determine the degree to which DBS engages circuits that involve prefrontal cortex executive functions, and therefore have a direct impact on the patient's ability to inhibit actions.

    ✓ Study care freePhase 4Ages 45–75Learn more →
  • Parkinson's disease

    A Study of AAV2-GDNF in Adults With Moderate Parkinson's Disease (REGENERATE-PD)

    Testing the safety and effect of a gene therapy put into the brain for moderate Parkinson’s disease

    📍 Mayo Clinic · Phoenix, AZ · +33 more US sites · Get directions →

    The objective of this randomized, surgically controlled, double-blinded, Phase 2 study is to evaluate the safety and efficacy of AAV2-GDNF delivered to the putamen in subjects with moderate Parkinson's Disease.

    ✓ Study care freePhase 2Ages 45–75Learn more →
  • Parkinson's disease

    Low-dose Carbon Monoxide (HBI-002) Trial to Evaluate Safety, Tolerability, PK, and Biomarkers in Parkinson's Disease

    Testing an oral low-dose carbon monoxide liquid in people with Parkinson’s

    📍 Quest Research Institute · Farmington Hills, MI · Get directions →

    A phase 2a multicenter, randomized, double-blind, placebo-controlled multiple dose study to evaluate the safety, tolerability, pharmacokinetics, of HBI-002, an oral low-dose carbon monoxide (CO) liquid drug product, administered daily over 14 days in subjects with Parkinson's disease (PD).

    ✓ Study care freePhase 2Ages 40–80Learn more →
  • Parkinson's disease

    Pyridostigmine for the Treatment of Constipation in Parkinson Disease

    Testing pyridostigmine as a treatment for constipation in Parkinson disease

    📍 University of Vermont Medical Center · Burlington, VT · Get directions →

    Constipation is a common and debilitating non-motor symptom of Parkinson disease (PD) that often precedes the onset of classic motor symptoms by decades. There is no standardized algorithm for managing constipation in this patient population, nor are there dedicated treatments.

    ✓ Study care freePhase 2Ages 18+Learn more →
  • Parkinson's disease

    Rehabilitation of Airway Protection in Parkinson's Disease

    Testing therapy to improve airway protection problems in Parkinson’s

    📍 Purdue University · West Lafayette, IN · +1 more US site · Get directions →

    Airway protective disorders are a prevalent and progressive consequence of Parkinson's Disease (PD), and often result in aspiration pneumonia which is the leading cause of death in PD. Despite this, a large number of patients with PD do not access specialized services to address these critical deficits.

    ✓ Study care freePhase 2Ages 50–90Learn more →
  • Parkinson's disease

    📍 Cornell University Weill Medical College · New York, NY · Get directions →

    This is a phase 1/2 clinical study to evaluate the safety, tolerability, feasibility, and preliminary efficacy of NouvNeu001 in patients with advanced Parkinson's Disease.

    ✓ Study care freePhase 1Ages 30–75Learn more →
  • Dementia / Alzheimer'sParkinson's disease

    18F-mFBG Cardiac Uptake With Lewy Body Dementia

    Testing a heart imaging tracer to see how Lewy body dementia affects nerve signals

    📍 Houston Methodist Neurological Institute · Houston, TX · Get directions →

    This is a Phase 2 study evaluating the positron-emitting radiopharmaceutical 18F-mFBG as an imaging agent for quantification of the effect of neurodegenerative diseases on myocardial sympathetic innervation. Effectiveness of 18F-mFBG imaging of the heart will be judged in terms of the quantitative difference between results for subjects with Lewy body and non-Lewy body neurologic disease as compared to historical data for healthy control subjects.

    ✓ Study care freePhase 2Ages 18+Learn more →
  • Parkinson's disease

    Tenapanor in Synucleinopathy-Related Constipation

    Testing tenapanor for constipation related to Parkinson’s disease

    📍 Cedar Valley Digestive Health Center · Waterloo, IA · Get directions →

    Investigation of tenapanor as a potential treatment for synucleinopathy-associated constipation

    ✓ Study care freePhase 2Ages 50–89Learn more →
  • Parkinson's disease

    Evaluation of Tau-Pathology in Sporadic and LRRK2 Parkinson's Disease

    Testing how much brain tau buildup is in people with Parkinson’s using PET scans

    📍 Institute for Neurodegenerative Disorders / XingImaging, LLC · New Haven, CT · Get directions →

    The study aims to evaluate the burden of tau pathology in people with Sporadic and LRRK2 PD via in vivo imaging using the tau tracer, \[18F\]PI-2620, and a high resolution PET camera, NeuroEXPLORER.

    ✓ Study care freePhase 2Ages 45–85Learn more →
  • Parkinson's disease

    A Study to Evaluate the Effectiveness of Two Doses of AP-472 as Adjunctive Therapy to Levodopa in Parkinson's Disease (PD) Participants With Motor Fluctuations

    Testing two doses of an add-on medicine to levodopa for Parkinson’s with motor fluctuations

    📍 University of Arkansas for Medical Sciences · Little Rock, AR · +24 more US sites · Get directions →

    This is a Phase 2 study in people with Parkinson's disease who experience motor fluctuations while taking levodopa. The study will evaluate how effective two different doses of the study drug AP-472 are when added to levodopa treatment, compared with a placebo.

    ✓ Study care freePhase 2Ages 30–80Learn more →
  • Parkinson's disease

    BOOST-PD A Naturalistic Study on IPX-203 for Parkinson's Disease

    Testing a new long-acting levodopa dose to improve “on” time in Parkinson’s

    📍 Cleveland Clinic · Cleveland, OH · Get directions →

    The purpose of this study is to evaluate the effect of IPX203 (Crexont®) - the newest extended-release levodopa formulation - on the duration and quality of good on time, using a wearable device to monitor symptoms. 'Good on time' refers to a period (minutes to hours) when a patient experiences optimal symptom control due to effective medication and has better overall functioning without troublesome dyskinesias.

    ✓ Study care freePhase 4Ages 40+Learn more →
  • Parkinson's disease

    rTMS to Improve Cognition in Parkinson's

    Testing whether noninvasive brain stimulation can improve thinking in people with Parkinson’s

    📍 Jesse Brown VA Medical Center, Chicago, IL · Chicago, IL · +1 more US site · Get directions →

    The purpose of this study is to examine safety, feasibility, and the behavioral and brain effects of a non-invasive treatment, repetitive transcranial magnetic stimulation (rTMS), for Veterans with Parkinson's disease or atypical parkinsonism and mild impairments in their thinking. The hypothesis is that rTMS can improve thinking for people with Parkinson's disease or atypical parkinsonism who are experiencing mild problems with their thinking ability.

    ✓ Study care freePhase 1Ages 50+Learn more →
  • Parkinson's disease

    Pimavanserin vs. Quetiapine for Treatment of Parkinson's Psychosis

    Comparing treatments to see which works better for hallucinations in Parkinson’s disease

    📍 Southern Arizona VA Health Care System, Tucson, AZ · Tucson, AZ · +23 more US sites · Get directions →

    Patients with Parkinson's disease (PD) sometimes experience symptoms affecting their movement, such as slowness, tremor, stiffness, and balance or walking problems. Many patients also have other symptoms not related to movement, called non-motor symptoms, which may affect one's mood or emotions, memory or thinking, or cause one to see or hear things that aren't real (hallucinations) or believe things that aren't true (delusions).

    ✓ Study care freePhase 4Ages 40+Learn more →
  • Parkinson's disease

    Wearable Biofeedback for Swallowing Disorders Rehabilitation in Stroke and Parkinson Disease

    Testing a wearable sensor that gives feedback for swallowing therapy in Parkinson’s

    📍 Purdue University · West Lafayette, IN · Get directions →

    Dysphagia, or difficulty swallowing, is a common symptom of many neurological diseases but its treatment is not well established or easily accessible. To start addressing this gap, the researchers developed and validated a cost-effective wearable surface electromyography (sEMG) biofeedback sensor technology (i-Phagia), optimized to record muscle activity from the head/neck and provide biofeedback to patients and adherence data to clinicians during swallow therapy.

    ✓ Study care freePhase 2Ages 50–90Learn more →
  • Parkinson's disease

    Reducing Falls With Varenicline in Hypocholinergic Parkinson Disease

    Testing varenicline to reduce falls and improve walking multitasking in Parkinson’s

    📍 University of Michigan · Ann Arbor, MI · Get directions →

    This trial aims to test whether one year of Varenicline, when compared to placebo, can reduce fall risk and show improvement in the ability to multitask while walking. Participants that are eligible after screening for the study will be randomized to receive Varenicline or placebo.

    ✓ Study care freePhase 2Ages 45+Learn more →
  • Dementia / Alzheimer'sParkinson's diseaseMultiple sclerosis (MS)

    Safety, PK and Biodistribution of 18F-OP-801 in Patients With ALS, AD, MS, PD and Healthy Volunteers

    Testing safety of a PET imaging tracer in people with ALS, AD, MS, PD

    📍 UCSF · San Francisco, CA · +2 more US sites · Get directions →

    This is a Phase 1/2 study to evaluate the safety and tolerability of 18F-OP-801 in subjects with ALS, AD, MS, PD and age-matched HVs. 18F-OP-801 is intended as a biomarker for PET imaging of activated microglia and macrophages in regions of neuroinflammation.

    ✓ Study care freePhase 1Ages 18–80Learn more →
  • Dementia / Alzheimer'sParkinson's disease

    Elucidating the Role of Cholinergic Degeneration in Cognitive Fluctuations in Lewy Body Dementia

    Studying how nerve cell loss affects thinking ups and downs in Lewy body dementia

    📍 Virginia Commonwealth University · Richmond, VA · Get directions →

    The proposed study aims to address the critical gaps in understanding the mechanisms of CF (Cognitive Fluctuations) by leveraging recently emerged molecular biomarkers, advanced neuroimaging techniques to assess measures of cholinergic degeneration, and synchronous EEG and assessments of attention. One of the overarching innovations of study is combining all of these assessments into one integrated research plan

    ✓ Study care freePhase 4Ages 50–89Learn more →
  • Parkinson's disease

    A Multicenter Study to Evaluate Safety, Tolerability, and Clinical Responses of DSP-1083 Into Subjects With Parkinson's Disease

    Testing the safety and side effects of DSP-1083 implanted in people with Parkinson’s disease

    📍 University of Kentucky Medical Center · Lexington, KY · +1 more US site · Get directions →

    The Goal of this study is to evaluate the safety, tolerability, and clinical responses following implantation of DSP-1083. Study enrolls both male and female patients in 2 cohorts.

    ✓ Study care freePhase 1Ages 40–72Learn more →
  • Parkinson's disease

    Personalized Real-Time DBS and PD Mechanisms

    Studying how closed-loop deep brain stimulation and levodopa affect Parkinson’s motor symptoms

    📍 Cleveland Clinic · Cleveland, OH · Get directions →

    A prospective cohort of patients scheduled to undergo deep brain stimulation (DBS) implantation surgery for the treatment of Parkinson's disease as per standard of care will be invited to participate in this study. This mechanistic study is aimed at better understanding the role of basal ganglia beta band (11-35 Hz) oscillations and resonance in the manifestation of Parkinson's disease (PD) motor signs using closed-loop electrical neurostimulation, levodopa medication, and computational modeling.

    ✓ Study care freePhase 4Ages 18–80Learn more →
  • Parkinson's disease

    The University of Alabama at Birmingham (UAB) Neuroinflammation in Parkinson's Disease-TSPO- Positron Emission Tomography (PET) Substudy

    Testing brain inflammation in people with Parkinson’s using PET scans

    📍 UAB Advanced Imaging Facility · Birmingham, AL · Get directions →

    The primary objective of this substudy is to measure the concentration and the regional brain distribution of activated brain microglia/macrophages using the PET ligand \[18F\]DPA-714 in participants enrolled in the UAB Innate and Adaptive Immunity in Parkinson's Disease (Clinical Research Core) and Longitudinal \[18F\]DPA-714 Imaging in a Parkinson Disease Cohort studies. The PET tracer \[18F\]DPA-714 binds to the 18 kDa translocator protein (TSPO, also known as the peripheral benzodiazepine receptor) in the mitochondria of activated microglia/macrophages and provides a non-invasive measure of neuroinflammation.

    ✓ Study care freePhase 1Ages 30+Learn more →
  • Parkinson's disease

    Intranasal Insulin and Glutathione as an Add-On Therapy in Parkinson's Disease

    Testing nasal insulin and glutathione added to usual care in people with Parkinson’s

    📍 Institute for Neuroimmune Medicine · Davie, FL · +2 more US sites · Get directions →

    This study will be evaluating the safety and efficacy of insulin and glutathione in subjects with Parkinson's Disease compared to placebo.

    ✓ Study care freePhase 2Ages 30+Learn more →
  • Parkinson's disease

    Characterization of the Serotonin 2A Receptor Selective PET Tracer [18F]MH.MZ in Patients With Neurodegenerative Diseases

    Measuring serotonin 2A brain receptor activity in people with Parkinson’s

    📍 Vanderbilt University Medical Center · Nashville, TN · Get directions →

    It is hypothesize that patients with clinically diagnosed neurodegenerative diseases will have significantly different receptor occupancy of 5HT2A receptors compared to a healthy age/sex-matched control group. This will be tested by measuring 5HT2A receptor density using the PET radioligand (R)-\[18F\]MH.MZ in both populations.

    ✓ Study care freePhase 4Ages 50–85Learn more →
  • DepressionParkinson's disease

    Probiotic Treatment for Depression and Associated Mood Disorders in Parkinson's Disease

    Testing whether a 12-week multi-strain probiotic can treat depression in people with Parkinson’s

    📍 Pacific Parkinson's Research Centre · Vancouver, British Columbia · Get directions →

    This study evaluates the use of an oral multi-strain probiotic in the treatment of depression in individuals with Parkinson's Disease. Participants will be randomized to either a 12-week multi-strain probiotic treatment or placebo intervention.

    ✓ Study care freePhase 2Ages 40–80Learn more →
  • Dementia / Alzheimer'sParkinson's disease

    Comparing Antipsychotic Medications in LBD Over Time

    Comparing medicines to see which works better for hallucinations or delusions in Lewy body disease

    📍 University Health System · San Antonio, TX · +1 more US site · Get directions →

    The primary objective of this study is to determine whether treatment with pimavanserin or quetiapine is associated with a greater improvement in psychosis when used in a routine clinical setting to treat hallucinations and/or delusions due to Parkinson's disease (PD) or dementia with Lewy bodies (DLB) - collectively referred to as Lewy body disease (LBD).

    ✓ Study care freePhase 4Learn more →
  • Parkinson's disease

    A Study to Determine if BHV-8000 is Effective, Safe and Tolerable as a Treatment for Adults Living With Early Parkinson's Disease

    Testing BHV-8000 for safety and effectiveness in adults with early Parkinson's disease

    📍 Site-049 · Birmingham, AL · +14 more US sites · Get directions →

    A study to determine if BHV-8000 is efficacious, safe and tolerable in adults diagnosed with early Parkinson's disease.

    ✓ Study care freePhase 2Ages 40–85Learn more →