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27 studies
Recruiting now, in plain language. Every study is watched over by an independent ethics board.
- Anxiety
Self-Adjusted Nitrous Oxide: A Feasibility Study in the Setting of Vasectomy
Testing whether self-controlled nitrous oxide during vasectomy lowers pain and anxiety
📍 Beth Israel Deaconess Medical Center · Boston, MA · Get directions →
This study is being done to see if nitrous oxide during vasectomy decreases pain and anxiety, and also assess whether patients have better satisfaction when they control their own level of nitrous oxide during the procedure. If we find that patients experience less pain or anxiety with nitrous oxide, it could be suggested that self-adjusted nitrous oxide (SANO) may be a useful tool for improving experience of care during vasectomy.
- 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.
- 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.
- 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).
- DepressionAnxiety
Integrating Inuit Knowledge Principles in Multi-Level Mental Health Clinical Trials
Testing whether eating more country foods and cultural activities help Inuit adults with depression
📍 Aqqiumavvik Society · Arviat, Nunavut · Get directions →
This study is looking at how eating more country foods affects mental health among Inuit men and women in Arviat, NU. The goal is to evaluate if eating more of these foods helps people feel less depressed or anxious, and whether being part of food-gathering and cultural activities also makes a difference.
- 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.
- Obesity / overweightFatty liver disease (NASH/MASH)💵 May compensate
Fibrosis Lessens After Metabolic Surgery
Testing whether metabolic surgery can reduce liver scarring in obesity
📍 Banner Health Center · Phoenix, AZ · +3 more US sites · Get directions →
Metabolic dysfunction-associated steatotic liver disease (MASLD), formerly known as non-alcoholic fatty liver disease (NAFLD), a major global public health concern, is commonly associated with obesity, diabetes, and dyslipidemia. MASLD is currently the most common cause of chronic liver disease affecting about 80% of people with obesity, ranging from simple fat deposits in the liver to Metabolic Dysfunction-Associated Steatohepatitis (MASH), cellular injury, advanced fibrosis, cirrhosis, or hepatocellular carcinoma.
- Anxiety
Pharmacogenetically-guided Escitalopram Treatment for Pediatric Anxiety: Aiming to Improve Safety and Efficacy (PrEcISE)
Testing whether genetic-guided dosing of a daily anxiety medicine helps kids
📍 University of Cincinnati, Department of Psychiatry & Behavioral Neuroscience · Cincinnati, OH · Get directions →
This double-blind, 12-week study will consist include132 anxious youth who are randomized (1:1) to standard or pharmacogenetically-guided escitalopram dosing. Block randomization (1:1) will be stratified by sex and metabolizer status.
- Anxiety
Adjunctive Treatment With L-methylfolate for Treatment-Resistant Generalized Anxiety Disorder: a Pilot Study
Testing whether adding L-methylfolate is safe and tolerated for hard-to-treat anxiety
📍 Kingston Health Sciences Centre · Kingston, Ontario · Get directions →
The goal of this feasibility study is to determine the tolerability and safety of add on treatment with L-methylfolate in patients with treatment-resistant generalized anxiety disorder (GAD). The primary objective is to monitor for side effects and other risks associated with the treatment.
- 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.
- 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.
- 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.
- 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.
- 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?
- 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).
- Anxiety
Feasibility Study of Oral Ketamine Versus Placebo for the Treatment of Anxiety in Patients With Pancreatic Cancer
Testing whether taking a mouth medicine works for anxiety in pancreatic cancer
📍 Cedars-Sinai Medical Center · Los Angeles, CA · Get directions →
This is a prospective, single center, double blind, randomized, crossover feasibility study of oral ketamine versus placebo for the treatment of anxiety in patients with pancreatic cancer currently receiving or within 12 weeks of receiving cancer targeted therapy. The primary objective is to determine the feasibility of enrolling subjects and treatment adherence.
- 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
- Anxiety
Sleep, Dreaming, and Virtual Reality for Mental Health
Testing virtual reality and sleep or dreaming practices for anxiety
📍 Northwestern University · Evanston, IL · +1 more US site · Get directions →
People spend approximately one-third of their lives asleep, yet sleep is often underused as an opportunity to support psychological well-being. Contemplative traditions, including Tibetan Dream Yoga, have developed practices that use waking imagination and lucid dreaming to explore perception, awareness, and habitual patterns of thinking.
- 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.
- DepressionAnxiety
Processes and Circuitry Underlying Threat Sensitivity as a Treatment Target for Co-morbid Anxiety and Depression
Studying brain circuits for threat sensitivity in people with anxiety and depression
📍 Laureate Institute for Brain Research · Tulsa, OK · Get directions →
This mechanistic study uses an anti anxiety drug and brain imaging to study the threat processing system and associated brain circuits in people with depression, anxiety disorders and comorbid depression and anxiety disorders. In a double blind, placebo controlled crossover design, up to 65 individuals will be recruited who will have a diagnosis of major depressive disorder (MDD) and at least one anxiety disorder (AD) (AD-MDD group), up to 65 participants will have a diagnosis of MDD and no diagnosis of an AD and up to 65 participants will have no diagnosis of MDD and a diagnosis of at least one AD will be enrolled to participate in an two session study to obtain 150 completers (50 per group).
- 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.
- Anxiety
Trial With the Treatment of Sertraline in Youth With Generalized, Separation and/or Social Anxiety Disorders.
Testing sertraline in young people with different anxiety disorders
📍 University of Cincinnati · Cincinnati, OH · Get directions →
A Multicenter, acute, randomized, double-blind, placebo-controlled, flexible-dose trial with the treatment of sertraline.
- DepressionAnxiety
Acute and Long-Term Antidepressant Treatment Success in Adolescents With Anxiety (AtLAS-A)
Testing antidepressant treatment for anxious teens with anxiety and depression
📍 University of Cincinnati · Cincinnati, OH · Get directions →
Acute, double-blind, adaptively randomized treatment with duloxetine or escitalopram, followed by open-label naturalistic follow-up.
- Anxiety
Cannabidiol Effects on Learning and Anxiety
Testing how CBD affects fear learning and anxiety in college students
📍 University of Connecticut · Storrs, CT · Get directions →
To examine the extent to which Cannabidiol (CBD) enhances fear conditioning extinction in college undergraduates who show elevated social anxiety. Undergraduates who display elevated social anxiety on standard assessments will be recruited at the University of Connecticut.
- Type 2 diabetesFatty liver disease (NASH/MASH)
Quantifying Hepatic Mitochondrial Fluxes in Humans
Measuring liver energy activity in people with type 2 diabetes before and after 16 weeks of insulin
📍 Texas Diabetes Institute - University Health System · San Antonio, TX · +1 more US site · Get directions →
In this study the investigators will quantitate hepatic mitochondrial fluxes in T2D patients with NAFL and NASH before and after 16-weeks treatment with the insulin sensitizer pioglitazone
- 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).