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📍 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.

📍 University of Alabama at Birmingham · Birmingham, AL · Get directions →

The goal of this study is to learn whether patients who have a genetic mutation in the genes that cause alpha 1 antitrypsin deficiency also have genetic variation in nearby genes that can increase risk for reduced immune function and respiratory infections. To investigate this hypothesis, we will compare immune responses to the 20-valent pneumococcal conjugate vaccine (PCV20, Pfizer) between participants who have one abnormal copy of the SERPINA1 gene and either no COPD exacerbations, vs those with 2 or more COPD exacerbations in the past year.

📍 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.

📍 Clinical Trial Site · Montreal, · Get directions →

The purpose of this study is to: * Evaluate the safety and tolerability of intrathecal (IT) ALN-5288 in patients with Alzheimer's Disease (AD) * Evaluate the pharmacodynamic (PD) and pharmacokinetic (PK) effects of ALN-5288 after dose administration

📍 Richmond VA Medical Center · Richmond, VA · Get directions →

Using a new formulation of rifaximin, a non-absorbable antibiotic, to test if it can affect microbes in the gut of patients with dementia favorably.

📍 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.

📍 The Ohio State University (OSU) Wexner Medical Center · Columbus, OH · +2 more US sites · Get directions →

The goal of this clinical study is to learn about an investigational gene therapy product called AVB-101, which is designed to treat a disease called Frontotemporal Dementia with Progranulin Mutations (FTD-GRN). FTD-GRN is an early-onset form of dementia, a progressive brain disorder that affects behavior, language and movement.

📍 UCSF Airway Clinical Research Center · San Francisco, CA · Get directions →

The goal of this clinical trial is to determine if positive pressure during inspiration will improve penetration of aerosolized N-Acetylcysteine (NAC) into airway mucus plugs in the lungs of patients with asthma or Chronic Obstructive Pulmonary Disease (COPD). The main questions it aims to answer are: * Does delivery of aerosolized NAC with positive inspiratory pressure have a greater effect on mucus plug burden in the lungs than delivery of NAC without positive pressure.

📍 Yale School of Medicne, Neuro ID Research Program · New Haven, CT · Get directions →

The purpose of this study is to longitudinally characterize and evaluate changes in synaptic density in the brain using novel positron-emission tomography (PET) scans; magnetic resonance imaging (MRI), and clinical laboratory markers associated with HIV-related injury in the central nervous system. This study will test hypotheses relating to the presence and mechanisms of aberrant brain structure at the synaptic level in living humans with virologically controlled HIV on antiretroviral therapy.

📍 Texas Christian University · Fort Worth, TX · +1 more US site · Get directions →

The overarching goal of this work is to determine methods that improve caregiver education about the behavioral and psychological symptoms (BPSD) of dementia. The specific goal of this project is to extend our prior work to evaluate the impact of our educational intervention on caregivers' ability to transfer knowledge about the management of ADRD to real-world applied examples.

📍 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.

📍 Arthur F Gelb Medical Corporation · Lakewood, CA · Get directions →

The purpose of this study is to evaluate the site and mechanisms responsible for expiratory airflow limitation in chronic, treated, non-smoking, stable asthmatics with moderate to severe persistent expiratory airflow obstruction. Treatment will include inhaled corticosteroids and long acting beta2agonists.

📍 Univesity of Iowa Hospital and Clinics · Iowa City, IA · +1 more US site · Get directions →

Ruptured cerebral aneurysms lead to subarachnoid hemorrhage (SAH),that has a high morbidity and mortality rate, the severity of which is predicted by the "Hunt-Hess grade" (HHG). SAH leads to iron (Fe) and hemoglobin (Hb) accumulation in the brain, which is toxic for neurons.

📍 Mayo Clinic · Jacksonville, FL · +1 more US site · Get directions →

The researchers are trying to determine whether ovarian hormones are associated with aging processes and with the risk of developing Alzheimer's disease in women.

📍 Washington University in St. Louis · St Louis, MO · Get directions →

This study will assess if drug (NIO752) reduces production of a protein, tau, by the brain. Normally tau maintains the internal skeleton of nerve cells.

📍 Behavioral Research Specialists, LLC · Glendale, CA · +6 more US sites · Get directions →

The goal of this clinical trial is to test SNK01 in participants with moderate Alzheimer's Disease. The main questions it aims to answer are: 1.

📍 MetroHealth · Cleveland, OH · Get directions →

The study is a randomized controlled trial on the effect of emergency department initiation of Airsupra on acute asthma "recurrence" at 3 months and other related outcomes (acute asthma relapse, asthma control).

📍 Mayo Clinic · Scottsdale, AZ · +2 more US sites · Get directions →

In this study, a new method will be used to evaluate response to 2 approved biologic therapies, and assess how well each patient responds to each asthma treatment. This study will measure the response to these treatments using genomic and biologic measurements obtained from participants biosamples.

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

The overall objective is to obtain an assessment of the pharmacokinetics of \[18F\]3F4AP in healthy volunteers and subjects with demyelinating diseases such as mild cognitive impairment (MCI), Alzheimer's Disease (AD), Multiple Sclerosis (MS), Spinal Cord Injury (SCI) and Spinal radiculopathy (SR).

📍 NYU Langone Health · New York, NY · +1 more US site · Get directions →

This study will examine the biological factors that may modulate the relationship between depression and the development of Alzheimer's disease (AD). Since the direction of causation between depression and the biological factors associated with AD is unknown, the only way to understand cause and associated risk is to treat the depressive symptoms and examine the effects on AD biomarkers.

📍 Affinia healthcare, 2220 Lemp Ave · St Louis, MO · +6 more US sites · Get directions →

Purpose: This study aims to improve asthma care by helping clinicians at community health centers prescribe a guideline-recommended treatment called SMART (Single Maintenance and Reliever Therapy). The investigators will provide training and resources to clinicians, give feedback on prescribing patterns, and offer educational tools for patients and providers.

📍 Research Site 3 · East York, Ontario · Get directions →

Study to evaluate the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics of ARO-MAPT-SC compared to placebo in adult healthy volunteers and in participants with early Alzheimer's disease (AD), defined as mild cognitive impairment due to AD and mild AD dementia.

📍 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).

📍 Shiley Marcos Alzheimer's Disease Center · San Diego, CA · Get directions →

The goal of this clinical trial is to learn if restricting the time of eating to allow for prolonged fasting at night may reduce sleep disturbances, cognitive decay, and pathology in patients diagnosed with Mild Cognitive Impairment (MCI) or early to moderate Alzheimer's disease (AD). It will also learn about the feasibility of practicing 14 h of nightly fasting in this group of older adults.

📍 Barrow Neurological Institute · Phoenix, AZ · +12 more US sites · Get directions →

The purpose of this study is to assess the safety, tolerability, immunogenicity and pharmacodynamic effects of ACI-24.060 in subjects with prodromal Alzheimer's disease and in non-demented adults with Down syndrome.

📍 Insituto Nacional de Enfermedades Respiratorias "Ismael Cosío Villegas" · Mexico City, Tlalpan · Get directions →

This phase IV randomized controlled clinical trial intend to compare the effect of three close standard inhaled triple therapies and one close standard inhaled double therapy on the small airway in patients with Chronic Obstructive Pulmonary Disease (COPD-B) and chronic bronchitis without obstruction (BCNO) exposed to wood smoke. The treatment phase duration is of 3 months.

📍 The University of Tennessee Graduate School of Medicine · Knoxville, TN · Get directions →

The purpose of this study is to compare the effectiveness of inhaled bronchodilators delivered via nebulizers vs. dry powder inhalers (DPIs) in symptomatic participants with Chronic Obstructive Pulmonary Disease (COPD) who have airflow obstruction (FEV1/FVC ≤ 70%) and show significant air trapping (RV ≥ 120% of predicted).

📍 University of Miami - Converge Miami · Miami, FL · Get directions →

Assess regional changes to perfusion and ventilation from inhaled corticosteroid (ICS) and Fast-acting beta-antagonist (FABA) among adult asthmatics using radiographically derived estimates of regional ventilation (V-distribution), ventilation defect percentage (VDP), and ventilation heterogeneity (VH).

📍 IU Health Neuroscience Center · Indianapolis, IN · Get directions →

Increased dietary intake of niacin is correlated with reduced risk of Alzheimer's Disease and age-associated cognitive decline. The goal of this study is to collect data on the penetration of commercially available, FDA approved, extended-release niacin into the spinal fluid.

📍 K2 Medical Research, LLC · Maitland, FL · +5 more US sites · Get directions →

The main purpose of this study is to evaluate the safety of LY3954068 in participants with early symptomatic Alzheimer's Disease (AD). The study will also investigate how much LY3954068 gets into the bloodstream and will test the effects of LY3954068 on markers of AD.

📍 UCLA TMS Clinical and Research Service · Los Angeles, CA · Get directions →

The goal of this clinical trial is to learn if using deep repetitive transcranial magnetic stimulation (rTMS) targeting the precuneus is feasible, tolerable, and potentially efficacious for memory in Probable Alzheimer's Dementia. Previous work studying rTMS in Alzheimer's is mixed, but recent work studying rTMS of the precuneus is encouraging for both its short-term and long-term effects.

📍 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.

📍 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.

📍 Irvine Center for Clinical Research /ID# 277752 · Irvine, CA · +10 more US sites · Get directions →

Alzheimer's disease (AD) is a progressive, irreversible neurological disorder and is the most common cause of dementia in the elderly population. Clinical symptoms of the disease may begin with occasional forgetfulness such as misplacement of items, forgetting important dates or events, and may progress to noticeable memory loss, increased confusion and agitation, and eventually, loss of independence and non-responsiveness.

📍 Onward Health HQ · San Leandro, CA · Get directions →

The goal of this pilot randomized controlled trial is to assess the impact of D2D rideshare services with a trained companion driver on the rate of medical appointments for older adults and individuals with AD/ADRD. Participants will be assigned either door-through-door (D2D) rideshare or curb-to-curb (C2C) rideshare services.

📍 Tekton Research Saint Louis Psychiatry · St Louis, MO · Get directions →

The primary purpose of this study is to evaluate the safety and tolerability of Zunveyl® over 12 weeks of routine clinical use in adults with mild to moderate Alzheimer's disease.

📍 Comprehensive Center for Brain Health · Boca Raton, FL · +2 more US sites · Get directions →

This is a Phase 1, multicenter, randomized, double-blind, placebo-controlled, multiple dose-escalating trial to evaluate the safety, tolerability, and immune response of AV-1980R, an investigational vaccine targeting tau protein, in participants with preclinical Alzheimer's disease. Up to 48 cognitively unimpaired adults aged 65-80 with biomarker evidence of early Alzheimer's disease will be enrolled into three ascending dose cohorts.

📍 Montreal Neurological Institute Clinical Research Unit · Montreal, Quebec · Get directions →

This study aims to evaluate the safety, tolerability, immunogenicity, pharmacokinetics, and pharmacodynamics following administration of RO7812653 in participants with eAD.

📍 National Institutes of Health Clinical Center · Bethesda, MD · Get directions →

Background: About 5 million adults in the United States have age-related brain disorders. These include Alzheimer disease (AD), mild cognitive impairment (MCI), and other dementias.

📍 Nova Scotia Health · Halifax, Nova Scotia · Get directions →

Insomnia is a highly common, chronic disorder that is distressful for the patient but also for caregivers and can give rise to a heavy burden on the healthcare team. Sleeping aids like benzodiazepines and other sedatives (e.g., zolpidem, zopiclone) have been widely used to help treat insomnia.

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

Alzheimer's disease (AD) is the most common cause of dementia. Despite major research efforts, effective treatments that slow or stop disease progression remain limited.

📍 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.

📍 Renaissance Institute of Precision Oncology & Radiosurgery · Winter Park, FL · Get directions →

To evaluate the safety and tolerability of low-dose whole brain radiotherapy (WBRT) delivered as an induction course of 0.3 Gy × 10 fractions (3.0 Gy total) followed by 12 months of monthly maintenance LDRT (0.3 Gy × 10 fractions; 3.0 Gy total) in patients with Alzheimer's disease or dementia with inflammatory components

📍 UAB · Birmingham, AL · Get directions →

The primary objective of this study is to measure the concentration and the regional brain distribution of pathologic tau deposition using the PET tracer AV-1451 in participants in the UAB-ADC cohort. The amount and distribution of AV-1451 in the brain will be correlated to demographic, clinical, genetic, and biospecimen data acquired through the separate ongoing UAB-ADC study.

📍 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.

📍 Collaborative Neuroscience Network - CNS · Los Alamitos, CA · +10 more US sites · Get directions →

The main purpose of this study is to evaluate the safety and tolerability of the study drug known as LY4006895. Part A will administer a single-ascending dose in healthy participants or Part B will administer multiple-ascending doses in participants with early symptomatic Alzheimer's Disease (AD).

📍 Wellstar MCG Hospital, Neurology Memory Clinic · Augusta, GA · Get directions →

The purpose of this study is to test a new procedure to treat Alzheimer's disease. The procedure is called intermittent Deep Brain Stimulation (DBS) of the nucleus basalis of Meynert.

📍 Clinical Trial Site · La Jolla, CA · +1 more US site · Get directions →

The purpose of this study is to evaluate the safety, tolerability, pharmacodynamics (PD) and pharmacokinetics (PK) of a single dose and multiple doses of ALN-APP administered by intrathecal (IT) injection in adult patients with early-onset Alzheimer's Disease (EOAD). Maximum treatment duration for Part A: single dose.

📍 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.

📍 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

📍 NYU Langone Health · New York, NY · Get directions →

This single-center, double-blind, placebo-controlled study will recruit in total 39 participants with either Mild Cognitive Impairment due to Alzheimer's disease (MCI) or Mild Alzheimer's disease dementia (mild AD). There will be 3 Dose levels.

📍 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.

📍 Brigham MS Center, 60 Fenwood Road · Boston, MA · Get directions →

The specific aims of the study are: Primary: To determine the presence and regional distribution of microglial activation, as assessed by Fluorine-18 (18F) labeled "Peripheral Benzodiazepine Receptor 06" (PBR06) -PET, in subjects with active Relapsing Remitting Multiple Sclerosis (RRMS), Secondary Progressive Multiple Sclerosis (SPMS), and Alzheimer's Disease (AD) as compared to healthy controls Secondary: 1. To assess the relationship between microglial activation and clinical variables including disease severity and comorbidities (such as pain, fatigue and/or depression), as well as clinical MRI findings (such as lesions and atrophy) 2.

📍 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.

📍 The University of Texas at Austin · Austin, TX · Get directions →

Nighttime agitation in persons with Alzheimer's disease causes patient suffering, distresses caregivers, and often results in prescriptions for harmful antipsychotics. Effective treatments are lacking because of limited knowledge of the etiology of nighttime agitation.

📍 Kingston Health Sciences Centre · Kingston, Ontario · Get directions →

The objectives of this study are to determine the sensory-mechanical responses to Eucapneic Voluntary Hyperventilation (EVH) and Mannitol in individuals with cough variant asthma (CVA) and methacholine-induced cough with normal airway sensitivity (COUGH) and compare these responses to a control group of healthy individuals without asthma or chronic cough. We hypothesize: 1.

📍 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.

📍 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.

📍 University of Alabama at Birmingham · Birmingham, AL · +37 more US sites · Get directions →

PREVENTABLE is a multi-center, randomized, parallel group, placebo-controlled superiority study. Participants will be randomized 1:1 to atorvastatin 40 mg or placebo.

📍 University of Virginia · Charlottesville, VA · Get directions →

Often when people with asthma get a virus caused by the common cold (rhinovirus), they also experience an increase or worsening of their asthma symptoms. The purpose of this study is to see if the study medication dupilumab helps prevent those with mild to moderate asthma from having increased asthma symptoms, after being exposed to an experimental rhinovirus inoculation.