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Acceptance and Commitment Therapy for Adolescents and Young Adults With Sickle Cell Disease — Children's Hospital Los Angeles, Los AngelesAlpha-Amino-3-Hydroxy-5-Methyl-4- Isoxazole Propionic Acid Receptor Components of the Anti-Depressant Ketamine Response — Yale University, New HavenPhase 2 Trial of Tributyrin in People With Parkinson's Disease and Cognitive Impairments — Domino's Farms, Ann ArborVirtual tES Device Treatment for Parkinson's Disease Motor Symptoms — U LLC Headquarters, ClevelandStudy of the Safety, Tolerability, Electrophysiological Effects and Efficacy of DMT in Humans — Biological Studies Unit at the VA Connecticut Healthcare System, Yale School of Medicine,, West HavenFeasibility and Safety of Ketamine for Suicidal Patients in the Emergency Department — University of Kansas Strawberry Hill Campus, Kansas CityA 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 — University of Kentucky, LexingtonEffects of Acute Exercise and Ibuprofen on Symptoms, Immunity, and Neural Circuits in Bipolar Depression — Laureate Institute for Brain Research, TulsaACT for Individuals With MNCD and Their Care Partners — Texas Tech University Plaza Building, LubbockRCT of Psilocybin-assisted CBT for Depression — UCLA Semel Institute, Los AngelesPET Imaging Evaluation of [11C]SY08 — MGH, CharlestownPolypill for Prevention of Cardiomyopathy — UT Southwestern Medical Center, DallasA Study of LY3971297 in Healthy Participants — CenExel ACT, AnaheimEvaluation of [¹⁸F]MODAG-009 PET Imaging in Synucleinopathies — Institute for Neurodegenerative Disorders and XingImaging, LLC, New HavenPilot Study: Establishing Glutamatergic Changes in Rapid Antidepressant Effects of Ketamine — University of Pennsylvania, PhiladelphiaDBS for Depression — Zucker Hillside Hospital, QueensAdjunctive Allogeneic Mesenchymal Stem Cells for Treatment-resistant Bipolar Depression — The University of Texas Health Science Center at Houston, HoustonOpen-label Study to Evaluate Brain α-Synuclein Deposition Using PET and [18F]MK-0947 in Parkinson's Disease — Invicro (dba Perceptive), New HavenPharmacologic Augmentation of TMS for Depression With D-serine — McLean Hospital, BelmontA Study of LY4006896 in Healthy Participants and Participants With Parkinson's Disease — Collaborative Neuroscience Network - CNS, Los AlamitosNeural Response to Inflammatory Challenge in Major Depressive Disorder — Laureate Institute for Brain Research, TulsaProbiotic Administration for Adolescent Depression — UCSF, San FranciscoSAD Study in Patients With Parkinson's Disease and Motor Fluctuations — Rocky Mountain Clinical Research, EnglewoodOpen-Label Psilocybin Study in Transdiagnostic Population — Connecticut Mental Health Center - Yale School of Medicine, New HavenA Randomized Pilot rTMS Trial for Knee Arthritis Pain and Depression — UCLA Semel Institute - Neuropsychiatric Institute (NPI), Los AngelesMitigating the Pro-inflammatory Phenotype of Obesity — University of Kansas Medical Center, Kansas CityUse of a Generative AI (Gen-AI) Chatbot for Anxiety and Depression Among Persons With Cannabis Use — 46 Centerra Parkway, Suite 300, Office #333S, LebanonCardiovascular Effects of Angiotensin-(1-7) in Obesity Hypertension — Penn State Milton S. Hershey Medical Center, HersheyConfirmatory Efficacy Trial of Attention Bias Modification for Depression — Institute for Mental Health Research, AustinA Pilot Study of In-lab Dynamic Standing in Parkinson's Disease — Domino's Farms, Ann ArborFirst-in-Human Single and Multiple Dose of HL-400 — Pharmaron CPC, Inc., BaltimoreUsing taVNS to Modulate Cardiovascular Function in Individuals With Neurologic Disease — Wellness, Health and Research Facility at UAB, BirminghamLongitudinal TSPO PET Imaging With [18F]DPA-714 in PPMI (PPMI DPA-714 PET Imaging) — UAB, BirminghamMood Effects of Serotonin Agonists: Depression — University of Chicago, ChicagoPersonalized Ultrasonic Brain Stimulation for Depression (R61) — University of Utah, Salt Lake CityEnrichment of Glutathione Using Gamma-glutamylcysteine Supplementation in Parkinson's Disease Patients. — UPMC Presbyterian Hospital, PittsburghA Ketamine-assisted Group Therapy Intervention for Spanish-speaking Adults With Depression — Massachusetts General Hospital, Chelsea, ChelseaFeasibility of Semaglutide in Advanced Lung Disease — University of Pennsylvania Perelman School of Medicine, PhiladelphiaThis 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. — Cornell University Weill Medical College, New YorkPsilocybin in Chronic Low Back Pain and Depression — Johns Hopkins University School of Medicine, BaltimorePattern Separation in Major Depressive Disorder — New York State Psychiatric Institute (NYSPI), New YorkGamma Oscillations as a Prognostic Marker for Ketamine Therapy in Treatment Resistant Depression — Wells Medicine, HoustonTransplantation of Human iPS Cell-derived Dopaminergic Progenitors (CT1-DAP001) for Parkinson's Disease (Phase I/II) — University of California, San Diego, La JollaAutologous suraL nervE Grafting to the Substantia nigrA in Patients With Synuclienopathies — University of Kentucky, LexingtonTitle: A Multimodal Exercise Program With Gamification for Parkinson Disease (MEP+G) — Equilibrium Physical Therapy, VenturaNoise-augmented Automatic Speech Recognition for Speech Treatment in Parkinson's Disease — Teachers College, Columbia University, New YorkNeuropharmacologic Imaging and Biomarker Assessments of Response to Acute and Repeated-Dosed Ketamine Infusions in Major Depressive Disorder — National Institutes of Health Clinical Center, BethesdaA Clinical Trial of LY3962681 in Healthy Volunteers and in Patients With Parkinson's Disease — Austin Clinic PPD, AustinrTMS to Improve Cognition in Parkinson's — Jesse Brown VA Medical Center, Chicago, IL, ChicagoMechanism of Action Underlying Ketamine's Antidepressant Effects: The AMPA Throughput Theory in Patients With Treatment-Resistant Major Depression — National Institutes of Health Clinical Center, Bethesda[18F]F-DOPA Imaging in Patients With Autonomic Failure — Vanderbilt University Medical Center, NashvilleTreating Parkinson's Disease Through Transplantation of Autologous Stem Cell-Derived Dopaminergic Neurons — Massachusetts General Hospital, BostonSafety, PK and Biodistribution of 18F-OP-801 in Patients With ALS, AD, MS, PD and Healthy Volunteers — UCSF, San FranciscoPsilocybin to Treat Depression in Spinal Cord Injury — James J. Peters Department of Veterans Affairs Medical Center, The BronxA Multicenter Study to Evaluate Safety, Tolerability, and Clinical Responses of DSP-1083 Into Subjects With Parkinson's Disease — University of Kentucky Medical Center, LexingtonSynaptic Mechanisms of Continuous Theta Burst Stimulation in Depression — McLean Hospital, BelmontMultiple Objective Particle Swarm Optimization Postural Instability Gait Disorder — University of Minnesota, MinneapolisMetabolic Effects of Angiotensin-(1-7) — Vanderbilt University Medical Center, NashvilleEffects of Midodrine and Droxidopa on Splanchnic Capacitance in Autonomic Failure — Autonomic Dysfunction Center/ Vanderbilt University Medical Center, Nashville: Vascular Function in Health and Disease — George E Wahlen VA Medical Center, Salt Lake CityNMDA Receptor Antagonist Nitrous Oxide Targets Affective Brain Circuits — Washington University School of Medicine, St LouisThe University of Alabama at Birmingham (UAB) Neuroinflammation in Parkinson's Disease-TSPO- Positron Emission Tomography (PET) Substudy — UAB Advanced Imaging Facility, BirminghamPsilocybin for Depression in People With Mild Cognitive Impairment or Early Alzheimer's Disease — Johns Hopkins Center for Psychedelic and Consciousness Research, BaltimorePET Imaging of Cyclooxygenases in Neurodegenerative Brain Disease — National Institutes of Health Clinical Center, BethesdaPET Imaging of Cyclooxygenase in Participants With Major Depressive Disorder (MDD) — National Institutes of Health Clinical Center, BethesdaHyperpolarized 129Xe MR Imaging of Lung Function in Healthy Volunteers and Subjects With Pulmonary Disease — University of Kansas Medical Center, Kansas CitySympathetic-vascular Dysfunction in Obesity and Insulin Resistance (Vitamin C Study) — University of Kansas Medical Center, Kansas CitySympathetic Transduction in Obesity-associated Hypertension (OB-HTN) — University of Texas Southwestern Medical Center, DallasSympathetic Mechanisms in Obesity-Crossover Design — Vanderbilt University Medical Center, NashvilleGlutamatergic Adaptation to Stress as a Mechanism for Anhedonia and Treatment Response With Ketamine — Emory University, Atlanta[18F]PF-06445974 to Image PDE4B in Major Depressive Disorder Using PET — National Institutes of Health Clinical Center, BethesdaModulating Spinal Interoceptive Pathways to Evaluate Their Role and Therapeutic Potential in MDD Symptomatic Domains — Lindner Center of Hope, MasonENA-001 for Opioid Induced Respiratory Depression — South Florida Research Phase I-IV, Miami