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38 studies

Recruiting now, in plain language. Every study is watched over by an independent ethics board.

  • Obesity / overweightHigh cholesterol

    Evaluation of Milk Polar Lipids in Dyslipidemic Adults With Abdominal Obesity

    Testing whether daily milk polar lipids affect heart and metabolic risk in adults with belly fat and

    📍 University of Connecticut · Storrs, CT · Get directions →

    The major objective of this project is to examine whether daily consumption of milk polar lipids (MPLs) influences cardiometabolic risk factors.

    ✓ Study care freeEarly Phase 1Ages 18–70Learn more →
  • 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 →
  • Dementia / Alzheimer'sParkinson's disease

    PET Imaging Evaluation of [11C]SY08

    Testing a PET scan tracer to detect alpha-synuclein protein clumps in dementia and Parkinson’s

    📍 MGH · Charlestown, MA · Get directions →

    The overall goal of the proposed research is to evaluate the use of \[11C\]SY08 as a PET radiotracer for aggregated alpha synuclein (αS) in individuals with Parkinson's disease (PD), Multiple system atrophy (MSA), Dementia with Lewy Bodies (DLB) and healthy controls. The purpose of this study is to evaluate the use of \[11C\]SY08 as a PET radiotracer for αS fibrils in individuals with PD, MSA, DLB and healthy controls.

    ✓ Study care freeEarly Phase 1Ages 50–80Learn more →
  • Parkinson's disease

    Evaluation of [¹⁸F]MODAG-009 PET Imaging in Synucleinopathies

    Testing an injection for brain scans to study Parkinson’s disease and safety

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

    This is a single-center, open-label clinical study designed to evaluate the imaging characteristics and safety of \[¹⁸F\]MODAG-009 in participants with Parkinson's disease (PD), Multiple system atrophy (MSA), and Healthy controls (HC). Approximately 13 participants will be enrolled in this study.

    ✓ Study care freeEarly Phase 1Ages 50–80Learn more →
  • Parkinson's disease

    Open-label Study to Evaluate Brain α-Synuclein Deposition Using PET and [18F]MK-0947 in Parkinson's Disease

    Testing a new PET brain scan to measure nerve protein buildup in Parkinson’s

    📍 Invicro (dba Perceptive) · New Haven, CT · +1 more US site · Get directions →

    This clinical study is being conducted to learn more about a new imaging drug called \[18F\]MK-0947, which is designed to help doctors see changes in the brain related to Parkinson's disease (PD). PD is a condition that affects movement, balance, and thinking.

    ✓ Study care freeEarly Phase 1Ages 18–80Learn 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

    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

    Longitudinal TSPO PET Imaging With [18F]DPA-714 in PPMI (PPMI DPA-714 PET Imaging)

    Studying how a brain imaging tracer binds in early Parkinson’s over 24 months

    📍 UAB · Birmingham, AL · Get directions →

    The overall goal of this protocol is to investigate \[18F\]DPA-714 binding in prodromal and early manifest Parkinson's Disease (PD) and to determine the baseline and change from baseline in \[18F\]DPA-714 binding in PD participants during a 24-month interval. Primary Objectives * To compare \[18F\]DPA-714 binding in prodromal and manifest PD and healthy volunteers.

    ✓ Study care freeEarly Phase 1Ages 18–99Learn 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 →
  • High cholesterol

    A Study to See How Safe and Effective Alirocumab is When Given Weekly to Adult Participants Who Have Hypercholesterolemia

    Testing how safe and well weekly injections of alirocumab work for high cholesterol in adults

    📍 Anaheim Clinical Trials · Anaheim, CA · +29 more US sites · Get directions →

    This study is researching an experimental drug called alirocumab, referred to as "study drug". In the United States, alirocumab is approved for the treatment of hypercholesterolemia (high blood cholesterol levels).

    ✓ Study care freePhase 2Ages 18–80Learn more →
  • Parkinson's disease

    Title: A Multimodal Exercise Program With Gamification for Parkinson Disease (MEP+G)

    Testing an 8-week exercise program with boxing and computer games for people with Parkinson disease

    📍 Equilibrium Physical Therapy · Ventura, CA · Get directions →

    In this pilot study the research will explore whether exercises and the outcome measures would be acceptable to conduct a more detailed research study. This 8 week pilot study will utilize a comprehensive exercise program that includes non-contact boxing along with computerized games for individuals with Parkinson Disease.

    ✓ Study care freeEarly Phase 1Ages 40–80Learn more →
  • Parkinson's disease

    Noise-augmented Automatic Speech Recognition for Speech Treatment in Parkinson's Disease

    Testing whether automatic speech recognition feedback improves speech clarity and social

    📍 Teachers College, Columbia University · New York, NY · Get directions →

    The goal of this clinical trial is to learn whether noise-augmented feedback using automatic speech recognition improves intelligibility and social participation in individuals with Parkinson's disease. The main questions the investigators will address are: Does noise-augmented feedback lead to increased intelligibility, as measured by transcription accuracy scores?

    ✓ Study care freeEarly Phase 1Ages 50–80Learn 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

    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 →
  • 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 →
  • Obesity / overweightHeart / cardiovascular diseaseHigh cholesterol

    Akkermansia Muciniphilia and Metabolic Side Effects of ADT

    Testing how Akkermansia gut bacteria relate to body and blood lipid changes in people with obesity

    📍 London Health Sciences Centre - Victoria Hospital · London, Ontario · Get directions →

    The overriding objectives of this study are: 1. Primary outcomes: 1.

    ✓ Study care freeEarly Phase 1Ages 18+MenLearn more →
  • Parkinson's disease

    Multiple Objective Particle Swarm Optimization Postural Instability Gait Disorder

    Testing how scans after deep brain stimulation help assess Parkinson’s gait

    📍 University of Minnesota · Minneapolis, MN · Get directions →

    Sixty patients will be enrolled in this study who are treated for Parkinson's disease (PD) with bilateral deep brain stimulation of subthalamic nucleus (STN) or globus pallidus (GP), who have a pre- operative 7 Tesla MRI including diffusion tensor imaging for tractography and a postoperative head CT for electrode localization, and in whom at least 3 months have passed since activation of their neurostimulators, for stabilization of clinical stimulator settings. Using their MRI and CT, the investigators will construct patient-specific models of electrical current spread to neuroanatomical tar- gets surrounding the electrode.

    ✓ Study care freeEarly Phase 1Ages 18–89Learn more →
  • High cholesterolLupus (SLE)

    IMPACT Study: IMProve Pregnancy in APS With Certolizumab Therapy

    Testing certolizumab added to usual treatment to improve pregnancy in lupus and antiphospholipid

    📍 Hospital for Special Surgery · New York, NY · +1 more US site · Get directions →

    This treatment trial evaluates the addition of an anti-tumor necrosis factor-alpha drug, certolizumab, to usual treatment (a heparin agent and low-dose aspirin) in pregnant women with antiphospholipid syndrome (APS) and repeatedly positive tests for lupus anticoagulant (LAC) to determine if this regimen will improve pregnancy outcomes. All enrolled patients will receive certolizumab, and pregnancy outcomes will be compared to those of women with APS and repeatedly positive tests for LAC enrolled in a previous study by the investigators.

    ✓ Study care freePhase 2Ages 18–40WomenLearn 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 →
  • 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 →
  • 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 →