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25 studies
Recruiting now, in plain language. Every study is watched over by an independent ethics board.
- Migraine / chronic headache
Rimegepant as Preemptive Treatment for Predictable Trigger-Induced Migraine in Adult Patients in the US
Testing rimegepant taken before a known trigger to prevent predictable migraine
📍 MedStar Health: Neurology at McLean · McLean, VA · Get directions →
Single-center, open label, prospective study conducted at Medstar Georgetown Headache Center. Men and woman ≥ 18 years old that are diagnosed with migraine with or without aura for at least 1 year, who report a reliable migraine trigger.
- COPD (chronic lung disease)Asthma
The Effects of Positive Airway Pressure on the Mucolytic Effects of NAC (TEAM)
Testing whether positive airway pressure helps a lung medicine (NAC) reach mucus plugs in asthma or
📍 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.
- 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).
- Asthma
Mechanism(s) of Airflow Limitation During Exacerbation of Asthma
Studying what causes breathing out to get harder during asthma flare-ups
📍 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.
- Asthma
45th Multicenter Airway Research Collaboration
Testing an emergency department treatment to prevent asthma attacks from coming back
📍 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).
- Asthma
Leveraging Pharmacogenomics in Asthma for Predication, Mechanism and Endotyping
Testing a new way to match asthma patients to biologic treatments using genetic and lab measures
📍 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.
- Asthma
CHEST: A Collaboration With Community HEalth Centers to Implement SmarT for Asthma
Helping community health clinic clinicians prescribe recommended asthma care
📍 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.
- 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.
- Asthma
Ventilation and Perfusion in Asthmatics
Testing how inhaled asthma medicines change breathing and blood flow in adults
📍 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).
- Migraine / chronic headache
A Comparison of Nurtec ODT to Maxalt MLT-ODT in Adult ED Patients With Migraine Headache
Comparing a migraine medicine tablet that dissolves in the mouth to another for adults with migraine
📍 Maimonides Medical Center · Brooklyn, NY · Get directions →
Rimegepant (Nurtec) is an orally administered small molecule CGRP receptor antagonist with efficacy in the acute treatment of migraine. Rizatriptan benzoate (MAXALT), is a selective 5-hydroxytryptamine1B/1D (5-HT1B/1D) receptor agonist.
- Migraine / chronic headache
A Study to Learn About the Safety of Taking an Additional Dose of the Medicine Rimegepant in Adults With Migraine
Testing how safe it is to take an extra dose of rimegepant for migraine
📍 Hope Clinical Research · Canoga Park, CA · +6 more US sites · Get directions →
Acute treatments for migraine may not provide sufficient pain relief after an initial dose, and a second dose of a given medication may be needed to fully abort an attack. International Headache Society (IHS) global practice recommendations for the Acute Treatment of Migraine suggest a second dose of the same medication within the recommended dose limit in people with headache relapse after successful initial treatment of a migraine attack.
- 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.
- Migraine / chronic headache
Effectiveness and Tolerability of Zavegepant for Acute Migraine Treatment Among Those Using CGRP Targeting Preventive Medications
Testing whether a migraine attack medicine works and is tolerated in people using preventive CGRP
📍 Mayo Clinic in Arizona · Phoenix, AZ · Get directions →
Zavegepant (Zavzpret) is approved for the acute treatment of migraine with or without aura in the US. The purpose of this study is to investigate the effectiveness and tolerability of zavegepant for the acute treatment of migraine attacks amongst participants who are using calcitonin gene-related peptide (CGRP) migraine preventive treatments.
- 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).
- 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
- 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.
- Asthma
Sensory-Mechanical Responses to Eucapneic Voluntary Hyperventilation and Mannitol
Testing how breathing tests and mannitol affect cough-related airway reactions in people with asthma
📍 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.
- Asthma
Viral Infection in Asthma (VIA) Study
Testing whether dupilumab can prevent asthma symptom worsening after a cold virus exposure
📍 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.
- Asthma
Measuring the Effect of Dupilumab Treatment on Mucociliary Clearance (MCC) in Subjects With Moderate to Severe Asthma
Testing how dupilumab or placebo changes mucus-clearing in people with moderate to severe asthma
📍 The University of Pittsburgh Asthma Institute at UPMC · Pittsburgh, PA · Get directions →
Single center, randomized, placebo- controlled study to assess change in mucociliary clearance of moderate to severe asthma patients after treatment with dupilumab or placebo.
- Migraine / chronic headache
Qudexy XR for the Prevention of Migraine in Children 6 to 11 Years Old
Testing Qudexy XR to prevent migraine in children ages 6 to 11
📍 Upsher-Smith Clinical Trial Site #5 · Birmingham, AL · +14 more US sites · Get directions →
A Phase 4 study to evaluate Qudexy XR for the prevention of migraine in children 6 to 11 years of age.
- 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.
- 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).
- Asthma
Therapeutic Relevance of Abnormal Airway Morphology in Asthma
Studying how abnormal airway shape in asthma relates to symptoms and attacks
📍 St. Joseph's Healthcare Hamilton · Hamilton, Ontario · Get directions →
Most individuals with asthma can effectively manage their symptoms and maintain normal lung function using inhaled medications, unfortunately, there is a subset of asthma sufferers whose symptoms, lung function, and risk of asthma attacks remain unimproved despite conventional inhaled medications. There could be several reasons for this.
- Migraine / chronic headache
Comparative Effectiveness of Migraine Preventive Medications: The APT Comparison Study
Comparing three medicines to prevent migraine headaches
📍 Northern Arizona Healthcare · Flagstaff, AZ · +34 more US sites · Get directions →
This goal of this study is to compare three medications used for migraine preventive treatment. This study will compare atogepant, a newer migraine preventive medication, with two older preventive medications, topiramate and propranolol.
- Asthma
Individualizing Treatment for Asthma in Primary Care (Full Study)
Testing how to personalize asthma treatment in primary care
📍 DARTNet Institute · Aurora, CO · +12 more US sites · Get directions →
While asthma therapy is becoming more individualized based on asthma phenotypes, more research is needed to tailor newer therapies to individuals. Inhaled corticosteroid (ICS) medications are the foundation of care for all individuals with persistent asthma.