Clinical trials: Cholinergic Function
Parkinson's Disease
Executive, Activities of Daily Living, and Cholinergic Functions in Parkinson's Disease
This research study will evaluate functions of memory, thinking, behavior, and daily life activities and how these relate to the measurement of certain chemicals (acetylcholine and dopamine) in the brain using an imaging…
- Trial name
- NCT00737217
- Testing
- Behavioral assessment/questionnaire
- Where
- United States
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Amyotrophic Lateral Sclerosis, Respiratory Function
The Safety and Effectiveness of Cholinergic Receptor Block Therapy in the Treatment of ALS
Thirty cases of amyotrophic lateral sclerosis patients were recruited from the neurology department of Ruijin Hospital, the pain department and the encephalopathy center of Luwan Branch of Ruijin Hospital.
- Conditions
- Amyotrophic Lateral Sclerosis, Respiratory Function, Scopolamine
- Trial name
- NCT04391361
- Testing
- Scopolamine, atropine, edaravone and dexmedetomidine, Edaravone
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Ruijin Hospital
Digestive Physiology, Gastrointestinal Motility
Effects of Exendin(9-39) on Gastroduodenal Motility
The purpose of this study in humans is to define the effects of the endogenous hormone GLP-1 on gastroduodenal motility and on endocrine pancreatic secretion by using the specific GLP-1 receptor antagonist exendin(9-39).
- Conditions
- Digestive Physiology, Gastrointestinal Motility, Gastrointestinal Hormones, Glucagon-like Peptide 1
- Trial name
- NCT00468091
- Testing
- exendin(9-39)amide, atropine
- Where
- Germany
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Ludwig-Maximilians - University of Munich
Parkinson´s Disease, Acetylcholine
Quantification of Cerebral Cholinergic Function in Parkinson´s Disease by Means of Nuclear Medicine Methods
Parkinson´s disease is based on a Lewy body degeneration of cerebral and extracerebral neurons. This Lewy body degeneration includes cerebral cholinergic neurons besides dopaminergic neurons.
- Conditions
- Parkinson´s Disease, Acetylcholine, SPECT
- Trial name
- NCT01003535
- Where
- Germany
- Volunteers
- 25 people
- Sponsor
- Universität des Saarlandes
Mood Disorders, Healthy
Cholinergic Modulation of Condition and Emotion in Mood Disorders: Functional Neuroimaging Studies
This study looks at the role of a specific brain chemical system in the mood and attention symptoms seen in major depression and bipolar disorders using functional brain imaging.
- Conditions
- Mood Disorders, Healthy, Unipolar Depression, Bipolar Depression
- Trial name
- NCT00055575
- Testing
- Scopolamine Nasal Spray
- Where
- United States
- Volunteers
- 197 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Parkinson Disease
Striatal and Extra-Striatal Cholinergic Terminal Density in LRRK2-PD Mutation
This study explores how a specific genetic mutation of leucine-rich repeat kinase 2 (LRRK2) affects individuals with Parkinson's disease (PD), comparing those with the mutation to others with Parkinson's disease and without the…
- Trial name
- LRRK2 (NCT07642908)
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- University of Michigan
Cholinergic Function
Assessment of Cholinergic and Cognitive Function Using Pharmacologic ASL-Perfusion MRI
This research study will look at how medications affect the pattern of blood flow in the brain. This study will use a special type of MRI (magnetic resonance imaging) scan called perfusion MRI to make measurements of cerebral…
- Trial name
- NCT01379001
- Testing
- Scopolamine, Donepezil
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Hebrew SeniorLife
Lewy Body Disease, Lewy Body Variant of Alzheimer Disease
Stimulation of Cingulo-opercular Alertness Network
Fluctuations in alertness are very common in persons with Lewy body dementias and are a major source of disability. Changes in a chemical messenger molecule called acetylcholine within certain brain regions may play a role in…
- Conditions
- Lewy Body Disease, Lewy Body Variant of Alzheimer Disease, Lewy Body Dementia With Behavioral Disturbance
- Trial name
- SCAN (NCT04817891)
- Testing
- HD-tDCS
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- University of Michigan
Schizophrenia, Schizoaffective Disorder
Galantamine for Cognition in People With Schizophrenia
This study is a double-blind, placebo-controlled trial of the nicotinic receptor agonist, galantamine, for the improvement of memory and attention in people with schizophrenia and schizoaffective disorder.
- Trial name
- NCT00320736
- Testing
- galantamine
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- North Suffolk Mental Health Association
Alzheimer Disease
Effects of Estrogen on Memory in Post-Menopausal Women and Patients With Alzheimer's Disease
The goal of this study is to examine whether the administration of estrogen to post-menopausal women and women with mild to moderate Alzheimer's disease will enhance their memory and their capacity for learning.
- Trial name
- NCT00006399
- Testing
- Donepezil, Estrogen, Progesterone
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- National Center for Research Resources (NCRR)
Nicotine Dependence
Brain Networks and Addiction Susceptibility
Background: The risk for becoming addicted to drugs varies from person to person, even among those using similar drugs in a similar way.
- Trial name
- NCT01924468
- Testing
- Oral methylphenidate and Oral haloperidol
- Where
- United States
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- National Institute on Drug Abuse (NIDA)
Alzheimer's Disease, Healthy
The Effect of Acetylcholine on Memory and Attention
This study will examine whether enhancing the chemical acetylcholine in the brain can improve memory and attention. It will identify changes in brain function that occur during these cognitive tasks.
- Trial name
- NCT00001977
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)