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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 AngelesDBS for Depression — Zucker Hillside Hospital, QueensAdjunctive Allogeneic Mesenchymal Stem Cells for Treatment-resistant Bipolar Depression — The University of Texas Health Science Center at Houston, HoustonPharmacologic 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, TulsaSAD 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 HavenUse of a Generative AI (Gen-AI) Chatbot for Anxiety and Depression Among Persons With Cannabis Use — 46 Centerra Parkway, Suite 300, Office #333S, LebanonA 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, BirminghamPersonalized 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, ChelseaThis 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, LexingtonNeuropharmacologic 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, LexingtonEffects of Midodrine and Droxidopa on Splanchnic Capacitance in Autonomic Failure — Autonomic Dysfunction Center/ Vanderbilt University Medical Center, NashvilleNMDA 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, BirminghamPET 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, Bethesda[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, MiamiA Study to Learn About the Study Medicine Called Zavegepant (PF-07930207) in Children With a History of Migraine — Arkansas Children's Hospital, Little Rock