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44 studies
Recruiting now, in plain language. Every study is watched over by an independent ethics board.
- Asthma
The Safety, Feasibility, and Repeatability of Inhaled ATP Cough Challenges
Testing whether inhaling ATP to trigger cough is safe and repeatable in people with asthma
📍 Respiratory Research Lab · Hamilton, Ontario · Get directions →
The inhalation of adenosine 5'-triphosphate (ATP) to evoke cough (ATP cough challenge) is becoming increasingly used as a tool to measure cough hypersensitivity in patients with chronic cough. However, the safety, feasibility, and repeatability of this procedure is not widely known.
- 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.
- 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.
- Parkinson's disease
First-in-Human Study of ALN-SNCA in Adult Participants With Early Parkinson's Disease (PD)
Testing an experimental treatment for early Parkinson’s disease in adults
📍 Montreal Neurological Institute and Hospital · Montreal, Quebec · Get directions →
This study is researching an experimental drug called ALN-SNCA (called "study drug"). The study is focused on people with early Parkinson's disease, a disorder of the nervous system that affects movement.
- Parkinson's disease
A Study to Evaluate Feasibility, Safety, and Clinical Responses of Implanting Autologous Peripheral Nerve Tissue Into the Brain for Non-motor or Motor Symptoms in Patients With Parkinson's Disease Undergoing DBS Surgery
Testing whether implanting a patient’s own nerve tissue during DBS surgery is safe in Parkinson’s
📍 University of Kentucky · Lexington, KY · Get directions →
The investigators propose a Phase I single surgical-center, double-blinded randomized parallel clinical trial involving bilateral autologous peripheral nerve tissue (PNT) delivery into the NBM or the alternate target also affecting cognition in this population, the substantia nigra (SN), to address "repair cell" support of these areas. Twenty-four participants with idiopathic Parkinson's Disease (PD) who have selected, qualified and agreed to receive as standard of care deep brain stimulation (DBS) will be enrolled and randomly allocated to receive bilateral PNT deployment to either the NBM or SN at the time of DBS surgery.
- Type 2 diabetesHigh blood pressure
Polypill for Prevention of Cardiomyopathy
Testing a pill combination to prevent heart muscle disease in people with type 2 diabetes and high
📍 UT Southwestern Medical Center · Dallas, TX · Get directions →
This study will investigate the utility of a polypill-based strategy for patients with type 2 diabetes mellitus and high risk of heart failure (HF), as assessed via the WATCH-DM risk score. Polypill therapy will consist of empagliflozin 12.5 mg, losartan 25, 50 or 100 mg, and finerenone 10 mg daily.
- Asthma
A Study of CDX-622 in Participants With Mild to Moderate Asthma
Testing the safety and how a medicine affects the body in adults with mild to moderate asthma
📍 University of California, San Francisco · San Francisco, CA · +3 more US sites · Get directions →
This is a study to determine the safety, pharmacodynamics (PD), and pharmacokinetics (PK) of CDX-622 in adults with mild to moderate asthma.
- High blood pressure💵 May compensate
Arterial Ablation for the Treatment of Type 2 Diabetes Mellitus and Its Comorbidities
Testing a device used through a blood-vessel procedure for type 2 diabetes and high blood pressure
📍 Hospital Paitilla Clinicas y Hospitales · Panama City, · Get directions →
This study is assess the safety and performance of the Neurotronic Infusion catheter for treatment of patients with Type 2 Diabetes (T2DM) and hypertension.
- Obesity / overweightHigh blood pressure
A Study of LY3971297 in Healthy Participants
Testing side effects and how the body processes an injection in healthy and obese people with high
📍 CenExel ACT · Anaheim, CA · +2 more US sites · Get directions →
The purpose of this study is to measure side effects of LY3971297 injection administered under the skin in healthy participants and obese participants with high blood pressure (BP). Blood tests will be performed to check how much LY3971297 gets into the bloodstream and how long it takes the body to eliminate it.
- Asthma
A Study to Learn How Different Amounts of the Study Medicine Called PF-08103402 Are Tolerated and Act in the Body in Healthy Adults or Adults With Mild To-moderate Asthma
Testing how different doses of a new medicine affect safety and the body in people with mild to
📍 Pfizer Clinical Research Unit - New Haven · New Haven, CT · Get directions →
The purpose of this study is to learn about the safety of a new study medicine called PF-08103402 in healthy adults (do not have disease) and or in adults with mild-to-moderate asthma. This is the first time the study medicine is being given to people.
- Parkinson's disease
A Study of LY4006896 in Healthy Participants and Participants With Parkinson's Disease
Testing an IV medicine in healthy people and people with Parkinson’s
📍 Collaborative Neuroscience Network - CNS · Los Alamitos, CA · +11 more US sites · Get directions →
The purpose of this study is to generate evidence of the safety, tolerability, and pharmacokinetics/pharmacodynamics of IV LY4006896 compared with placebo in healthy participants and participants with Parkinson's disease.
- Parkinson's disease💵 May compensate
SAD Study in Patients With Parkinson's Disease and Motor Fluctuations
Testing a single dose of SER-252 in people with Parkinson’s disease
📍 Rocky Mountain Clinical Research · Englewood, CO · +3 more US sites · Get directions →
This is a randomized, placebo-controlled, single ascending dose (SAD) study of SER-252 in participants with Parkinson's Disease (PD) and motor fluctuations.
- Obesity / overweightHigh blood pressure
Mitigating the Pro-inflammatory Phenotype of Obesity
Testing whether 4 weeks of a blood pressure medicine can reduce inflammation in people with obesity
📍 University of Kansas Medical Center · Kansas City, KS · Get directions →
The purpose of this study is to examine the hypothesize that 4 weeks of sympathetic nerve activity (SNA) inhibition (oral clonidine) will cause a significant reduction in circulating blood concentrations and endothelial cell expression of inflammatory markers (e.g., TNF-α, IL-6). Our study is a prospective study using a randomized, double-blinded design to test 4 weeks of SNA blockade (oral clonidine) compared with a BP-lowering control condition (diuretic, hydrochlorothiazide) or a placebo.
- Parkinson's disease
Safety of Cultured Allogeneic Adult Umbilical Cord Derived Mesenchymal Stem Cell Exosomes for Parkinson's Disease
Testing the safety and effectiveness of nose drops made from donor stem cell exosomes for
📍 Medical Surgical Associates Center · St John's, · Get directions →
This trial will study the safety and efficacy of intranasal instillation of cultured allogeneic adult umbilical cord derived mesenchymal stem cell exosomes for the treatment of Parkinson's Disease
- COPD (chronic lung disease)
A Study of BBT002 in Healthy Volunteers (HVs) and in Adult Patients With Chronic Obstructive Pulmonary Disease (COPD) or Chronic Rhiosininusitis With Nasal Polyps (CRSwNP)
Testing different doses of BBT002 in people with COPD and in healthy adults
📍 Equity Medical Bowling Green · Bowling Green, KY · +2 more US sites · Get directions →
Randomized study of single and multiple doses of BBT002 in healthy volunteers and in adult patients with chronic obstructive pulmonary disease (COPD) or chronic rhinosinusitis with nasal polyps (CRSwNP).
- Parkinson's disease
A Pilot Study of In-lab Dynamic Standing in Parkinson's Disease
Testing a new adjustable standing desk for people with Parkinson’s
📍 Domino's Farms · Ann Arbor, MI · Get directions →
This research is studying the use of a new type of standing desk in a small number of people to learn about the user experience for people with Parkinson's disease. 12 4-hour sessions will be performed to test the primary hypothesis that dynamic standing improves gait function compared to static standing and control sitting.
- Parkinson's disease
First-in-Human Single and Multiple Dose of HL-400
Testing an NLRP3 inhibitor taken by mouth for safety in healthy people
📍 Pharmaron CPC, Inc. · Baltimore, MD · Get directions →
This is a randomized, double-blind, placebo-controlled, dose-escalation study in healthy subjects to evaluate the safety, tolerability, pharmacokinetics of HL-400 (a NLRP3 inhibitor) following oral single and multiple ascending dose administration.
- Parkinson's disease
Using taVNS to Modulate Cardiovascular Function in Individuals With Neurologic Disease
Testing gentle ear nerve stimulation to see if it affects heart rate and blood pressure in people
📍 Wellness, Health and Research Facility at UAB · Birmingham, AL · Get directions →
The purpose of this study is to find out whether a type of gentle nerve stimulation, called transcutaneous auricular Vagus Nerve Stimulation (taVNS), can help improve how the body regulates heart rate and blood pressure in people with Parkinson's Disease (PD). Problems with heart rate and blood pressure control are common and can make it harder for people to exercise or do daily activities.
- Parkinson's disease
Enrichment of Glutathione Using Gamma-glutamylcysteine Supplementation in Parkinson's Disease Patients.
Testing whether taking glutathione-building supplements helps early Parkinson’s patients
📍 UPMC Presbyterian Hospital · Pittsburgh, PA · Get directions →
This study is designed l to evaluate the effects of GGC oral supplementation in early Parkinson's disease (PD) patients. The main objectives of the study are to evaluate: 1.
- COPD (chronic lung disease)
A Study to Test the Safety and Effects of Inhaled GDC-6988 in Participants With Muco-obstructive Disease
Testing the safety and effects of an inhaled medicine for COPD
📍 University of Alabama at Birmingham · Birmingham, AL · +6 more US sites · Get directions →
This study evaluates the safety, tolerability, and activity of inhaled GDC-6988 in participants with muco-obstructive disease.
- Obesity / overweightHigh blood pressureCOPD (chronic lung disease)
Feasibility of Semaglutide in Advanced Lung Disease
Testing whether semaglutide can be given safely to people with advanced lung disease
📍 University of Pennsylvania Perelman School of Medicine · Philadelphia, PA · Get directions →
The goal of this clinical trial is to learn whether semaglutide, an FDA-approved treatment for diabetes and obesity, is feasible and tolerable in patients with advanced lung disease. The main question\[s\] it aims to answer are: 1.
- Parkinson's disease
This Clinical Trial is Designed to Evaluate the Safety, Tolerability, Feasibility and Preliminary Efficacy of NouvNeu001 (Human Dopaminergic Progenitor Cells Injection) in Patients With Parkinson's Disease.
Testing an injected cell treatment for safety in people with advanced Parkinson’s
📍 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.
- Parkinson's disease
Transplantation of Human iPS Cell-derived Dopaminergic Progenitors (CT1-DAP001) for Parkinson's Disease (Phase I/II)
Testing whether transplanting lab-made dopamine cells is safe for Parkinson’s
📍 University of California, San Diego · La Jolla, CA · Get directions →
To evaluate the safety and efficacy of transplantation of human induced pluripotent stem cell-derived dopaminergic progenitors, CT1-DAP001, into the corpus striatum in patients with Parkinson's disease
- Asthma
Phase 1 Study Evaluating Safety and Pharmacokinetics of ASY202 in Adults With Asthma
Testing safety and how a single inhaled dose works in adults with asthma
📍 Sun City Clinical Research · Glendale, AZ · +1 more US site · Get directions →
This is a phase 1 study, randomized, double-blind, placebo-controlled, 2 treatment, 2 period crossover study to evaluate the pharmacokinetics, safety, and tolerability of a single inhaled dose of ASY202 in adults with stable asthma. Following screening, eligible participants will be enrolled and randomized to one of two treatment sequences.
- Parkinson's disease
Autologous suraL nervE Grafting to the Substantia nigrA in Patients With Synuclienopathies
Testing whether a nerve tissue graft can be safely placed in the brain in Parkinson’s or MSA
📍 University of Kentucky · Lexington, KY · Get directions →
This phase I double-blind study focuses on the safety and feasibility of implanting autologous peripheral nerve tissue (PNT) into the substantia nigra area of the brain in persons who have been diagnosed with either Parkinson's disease (PD) or Multiple System Atrophy (MSA). 7 participants will be enrolled, with 4 participants receiving the graft and 3 receiving a sham surgery.
- Obesity / overweightHigh blood pressure
Understanding the Health Effect of a Bioactive Peptide From Egg: A Pilot Study
Testing how an egg-derived peptide affects health in people with obesity and high blood pressure
📍 University of Alberta · Edmonton, Alberta · Get directions →
Bioactive peptides derived from food proteins show potential for improving human health. One of such promising peptides is namely IRW made from egg white hydrolysate and composed of three peptides.
- Parkinson's disease
A Clinical Trial of LY3962681 in Healthy Volunteers and in Patients With Parkinson's Disease
Testing how a Parkinson’s drug candidate affects safety and body handling in healthy people and
📍 Austin Clinic PPD · Austin, TX · Get directions →
The purpose of this study is to evaluate the safety, tolerability, and pharmacokinetics/pharmacodynamics (PK/PD) of LY3962681 in healthy volunteers and patients with Parkinson's disease. The study consists of two parts, the Single Ascending Dose (SAD) study and the Multiple Ascending Dose (MAD) study.
- 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.
- Dementia / Alzheimer'sParkinson's disease
[18F]F-DOPA Imaging in Patients With Autonomic Failure
Testing [18F]F-DOPA brain scans in people with autonomic failure
📍 Vanderbilt University Medical Center · Nashville, TN · Get directions →
Alpha-synucleinopathies refer to age-related neurodegenerative and dementing disorders, characterized by the accumulation of alpha-synuclein in neurons and/or glia. The anatomical location of alpha-synuclein inclusions (Lewy Bodies) and the pattern of progressive neuronal death (e.g.
- Parkinson's disease
Treating Parkinson's Disease Through Transplantation of Autologous Stem Cell-Derived Dopaminergic Neurons
Testing surgery to transplant dopamine brain cells made from a patient’s own skin
📍 Massachusetts General Hospital · Boston, MA · Get directions →
The goal of this clinical trial is to assess the safety and tolerability of the surgical transplantation of dopaminergic progenitor cells into the brains of participants with Parkinson's disease. The transplanted dopaminergic cells will be derived from the participant's own skin cells.
- 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.
- 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.
- Asthma
Pilot Study to Identify the Mediators and Inflammatory Cell Surface Receptors Involved in Allergic Airway Inflammation
Studying what body signals and immune cells drive asthma-related airway inflammation
📍 Massachusetts General Hospital · Boston, MA · Get directions →
Asthma is a heterogeneous disorder in which multiple potential inflammatory pathways contribute to airway obstruction. The biological basis for airway inflammation is the subject of intensive investigation.
- Obesity / overweightHeart / cardiovascular diseaseHigh blood pressure
Metabolic Effects of Angiotensin-(1-7)
Testing how angiotensin-(1-7) affects body metabolism in obesity
📍 Vanderbilt University Medical Center · Nashville, TN · Get directions →
The overall purpose of this study is to learn more about the metabolic effects of angiotensin-(1-7) in the insulin resistant state associated with obesity. Pharmacologic approaches to increase angiotensin-(1-7) levels or its actions are currently in development for treatment of metabolic-related diseases such as obesity and type II diabetes, based on findings from animal studies.
- Parkinson's disease
Effects of Midodrine and Droxidopa on Splanchnic Capacitance in Autonomic Failure
Testing midodrine and droxidopa effects on abdominal veins in Parkinsons
📍 Autonomic Dysfunction Center/ Vanderbilt University Medical Center · Nashville, TN · Get directions →
The purpose of this study is to learn more about the effects of midodrine and droxidopa, two medications used for the treatment of orthostatic hypotension (low blood pressure on standing), on the veins of the abdomen of patients with autonomic failure. The study will be conducted at Vanderbilt University Medical Center, and consists of 2 parts: a screening and 2 testing days.
- Heart / cardiovascular diseaseHigh blood pressureCOPD (chronic lung disease)
: Vascular Function in Health and Disease
Studying how blood vessel function works in health and diseases like heart problems, high blood
📍 George E Wahlen VA Medical Center · Salt Lake City, UT · Get directions →
Many control mechanisms exist which successfully match the supply of blood with the metabolic demand of various tissues under wide-ranging conditions. One primary regulator of vasomotion and thus perfusion to the muscle tissue is the host of chemical factors originating from the vascular endothelium and the muscle tissue, which collectively sets the level of vascular tone.
- COPD (chronic lung disease)
Hyper Polarized Xenon-129 MRI vs Xenon-133 Scintigraphy
Comparing a lung scan that uses xenon MRI with a radioactive scan for COPD
📍 University of Virginia Health System · Charlottesville, VA · Get directions →
Hyper polarized Xenon-129 MRI will be directly compared to a radioactive Xe-133 scintigraphy to detect defects in lung ventilation from airflow limitation. This study is conducted as a pilot study with intention to conduct a larger clinical trial.
- 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.
- COPD (chronic lung disease)
Lung and Bone Marrow Transplantation for Lung and Bone Marrow Failure
Testing whether lung transplant first can improve lung function before bone marrow transplant for
📍 UPMC Presbyterian · Pittsburgh, PA · +1 more US site · Get directions →
The purpose of this study is to determine whether a lung transplantation prior to bone marrow transplantation (BMT) would allow for restoration of pulmonary function prior to BMT, allowing to proceed to BMT, to restore hematologic function.
- Dementia / Alzheimer'sParkinson's disease
PET Imaging of Cyclooxygenases in Neurodegenerative Brain Disease
Testing brain scans to see inflammation enzymes in dementia and Parkinson’s
📍 National Institutes of Health Clinical Center · Bethesda, MD · Get directions →
Background: About 5 million adults in the U.S. have Alzheimer s disease or another adult-onset neurodegenerative disorder.
- High blood pressureCOPD (chronic lung disease)Asthma
Hyperpolarized 129Xe MR Imaging of Lung Function in Healthy Volunteers and Subjects With Pulmonary Disease
Testing a lung scan method using hyperpolarized oxygen gas MRI in healthy and people with COPD or
📍 University of Kansas Medical Center · Kansas City, KS · Get directions →
The purpose of this study is to develop and evaluate the usefulness of hyperpolarized (HP) 129Xe gas MRI for regional assessment of pulmonary function.
- Heart / cardiovascular diseaseHigh blood pressure
Sympathetic-vascular Dysfunction in Obesity and Insulin Resistance (Vitamin C Study)
Studying how vitamin C affects blood vessel function in obese adults with insulin resistance and
📍 University of Kansas Medical Center · Kansas City, KS · Get directions →
The main purpose of research is to examine and understanding the development of hypertension in obese adults with insulin resistance. Findings from our studies will identify unique mechanisms that can be targeted to limit increases in vascular dysfunction and reduce the excessively high prevalence of hypertension and risk for cardiovascular disease (CVD).
- COPD (chronic lung disease)Asthma
Safety of Cultured Allogeneic Adult Umbilical Cord Derived Mesenchymal Stem Cells for Pulmonary Diseases
Testing the safety of an IV stem cell treatment for lung diseases like COPD and asthma
📍 Medical Surgical Associates Center · St John's, · Get directions →
This trial will study the safety and efficacy of intravenous infusion of cultured allogeneic adult umbilical cord derived mesenchymal stem cells for the treatment of Pulmonary Diseases
- Obesity / overweightHigh blood pressure
Sympathetic Mechanisms in Obesity-Crossover Design
Testing whether blocking sympathetic nerves after 2 weeks changes blood sugar in obese adults with
📍 Vanderbilt University Medical Center · Nashville, TN · Get directions →
We will study obese hypertensive subjects in a randomized, crossover study to determine if two weeks sympathetic blockade improves endogenous glucose production. Subjects will be studied on 3 different occasions after two weeks of receiving either placebo, amlodipine (vasodilator arm) or moxonidine (study arm).