Clinical trials: Normal Cognition
Dementia, Neurocognitive Disorders
Prefrontal Cortex Dynamics of the Elderly During a Cognitive Stimulation Programme
This research aims to evaluate the effect of cognitive stimulation (CS) on the functioning of the prefrontal cortex (PFC), seeking an analysis of both cerebral hemodynamics in neuroplasticity and aspects related to the initiation…
- Conditions
- Dementia, Neurocognitive Disorders, Cognitive Impairment, Cognitive Dysfunction
- Trial name
- NCT04693611
- Testing
- Individual cognitive stimulation therapy (iCST), Functional near-infrared spectroscopy (fNIRS)
- Where
- Portugal
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- CEDIARA - Assoc. Solidariedade Social de Ribeira de Fráguas
Schizophrenia
Clinical Trial of Tolcapone for Cognition in Schizophrenia
This study will evaluate whether Tolcapone improves cognition in healthy volunteers as well as patients with schizophrenia. Talcapone is a drug that has been FDA approved for Attention Deficit Disorder and allegedly increase the…
- Trial name
- NCT00044083
- Testing
- Tolcapone
- Where
- United States
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Breast Cancer, Lymphoma
Adolescent and Young Adult Cancer Patients: Cognitive Toxicity on Survivorship (ACTS)
This study aims to evaluate the prevalence, biological mechanism and survivorship impact of cognitive toxicity among adolescent and young adult (AYA) patients diagnosed with curable cancers.
- Conditions
- Breast Cancer, Lymphoma, Germ Cell Tumor, Cognitive Impairment
- Trial name
- NCT03476070
- Where
- 3 sites in Singapore
- Volunteers
- 236 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Breast Cancer, Fatigue
The Role of Circadian Rhythms in Cancer-Related Symptoms
Emerging evidence indicates that circadian rhythms may be disrupted following cancer and its treatment, and that circadian rhythm disruption may be an underlying pathophysiological mechanism of cancer- and cancer…
- Conditions
- Breast Cancer, Fatigue, Cognitive Impairment, Sleep
- Trial name
- CHRONO (NCT04401189)
- Where
- Denmark
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Aarhus University Hospital
Brain Injury, Dementia
Neuropsychiatric Evaluation of Healthy Volunteers and Adults With Schizophrenia
The purpose of this study is to evaluate the cognitive processes of participants with schizophrenia, participants with nervous system and mental disorders, and healthy volunteers.
- Conditions
- Brain Injury, Dementia, Healthy, Mental Disorder
- Trial name
- NCT00001323
- Where
- United States
- Volunteers
- 810 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Mild Cognitive Impairment (MCI), Alzheimer's Disease (AD)
A Clinical Study Evaluating the Diagnostic Performance and Safety of PET for the Deposition of Aβ Plaques in the Brain of Participants With Normal Cognitive Function, MCI and AD Using [18F]Fluorbetazine Injection
A multicenter phase III clinical study evaluating the diagnostic performance and safety of PET for the deposition of Aβ plaques in the brain of participants with normal cognitive function, MCI and AD using [18F]Fluorbetazine…
- Trial name
- NCT07764679
- Testing
- [18F]Fluorbetazine injection
- Where
- China
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- HTA Co., Ltd.
Alzheimer's Disease, Mild Cognitive Impairment
Wisconsin Brain Donor Program
The Wisconsin Brain Donor Program (WBDP) stores brain and other tissues/samples (e.g. blood and CSF) from deceased individuals who have participated in longitudinal research studies, as well as other select participants.
- Trial name
- WBDP (NCT00585572)
- Where
- United States
- Volunteers
- 9,999 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Healthy Volunteers
The Brain Alerting Mechanism Study
This is a study designed to look at how arousal levels in the brain change with age and how these changes influence thinking, vision, hearing and physical function in people of advanced age.
- Trial name
- NCT02050386
- Testing
- Cold pressor stimulation
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Florida
Breast Cancer, Cognitive Dysfunction
Reducing Breast Cancer-related Fatigue and Improving Cognition With Non-Invasive Brain Stimulation
This study will test the preliminary efficacy of transcranial direct current stimulation (tDCS) to improve fatigue and cognition in women with a history of breast cancer and persistent fatigue.
- Conditions
- Breast Cancer, Cognitive Dysfunction, Fatigue
- Trial name
- NCT03143894
- Testing
- tDCS
- Where
- 3 sites in United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Alzheimer's Disease, Mild Cognitive Impairment
Retinal Imaging in Neurodegenerative Disease
This study aims to develop and evaluate biomarkers using non-invasive optical coherence tomography (OCT) and OCT angiography (OCTA) as well as ultra-widefield (UWF) fundus photography to assess the structure and function of the…
- Conditions
- Alzheimer's Disease, Mild Cognitive Impairment, Parkinson's Disease, Multiple Sclerosis
- Trial name
- NCT03233646
- Testing
- Retinal and Choroidal Imaging
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Duke University
Alzheimer's Disease, Huntington's Disease
A Phase 1, Non-Randomized, Open-Label, Single-Dose Study To Evaluate The Pharmacokinetics, Safety, And Tolerability Of Dimebon [PF 01913539] In Subjects With Severely-Impaired And Normal Renal Function
This study is to compare the pharmacokinetics of Dimebon in subjects with severe renal impairment to subjects with normal renal function after oral administration of a single oral 20-mg dose of Dimebon.
- Trial name
- NCT00824590
- Testing
- Dimebon
- Where
- 2 sites in United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Pfizer
Atherosclerosis, Cognitive Decline
Advancing Postmenopausal Preventive Therapy
Advancing Postmenopausal Preventive Therapy (APPT) is a randomized, double-blinded, placebo-controlled trial designed to determine the effects of tissue selective estrogen complex (TSEC) therapy on the progression of subclinical…
- Trial name
- APPT (NCT04103476)
- Testing
- Oral bazedoxifene 20 mg / conjugated estrogens 0.45 mg
- Where
- United States
- Volunteers
- 385 people, healthy volunteers welcome
- Sponsor
- University of Southern California
Alzheimer Disease, Preclinical Alzheimer's Disease
Amyloid Prediction in Early Stage Alzheimer's Disease From Acoustic and Linguistic Patterns of Speech - PAST Extension
The primary objective of the study is to evaluate whether a set of algorithms analysing acoustic and linguistic patterns of speech can detect amyloid-specific cognitive impairment in early stage Alzheimer's disease, based on…
- Conditions
- Alzheimer Disease, Preclinical Alzheimer's Disease, Prodromal Alzheimer's Disease, Alzheimer's Disease (Incl Subtypes)
- Trial name
- AMYPRED-PAST (NCT04851496)
- Where
- 4 sites in United Kingdom
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Novoic Limited
Attention Deficit Hyperactivity Disorders
Low-dose vs. Normal-dose Psychostimulants on Executive Functions in Individuals With ADHD
This double-blind crossover study aims to compare cognitive performance (e.g., working memory, selective attention and cognitive flexibility) of children ages 6-18 years diagnosed with ADHD of the combined type (ADHD-C) or…
- Trial name
- NCT02167048
- Testing
- Psychostimulants
- Where
- Canada
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Diplegia, Spastic
Eye-Hand Coordination in Children With Spastic Diplegia
This study will examine how the brain controls eye-hand coordination (visuomotor skills) in children with spastic diplegia and will determine whether impairment of this skill is related to the learning difficulties in school that…
- Trial name
- NCT00024791
- Where
- United States
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Sleep, Gut Microbiome
Impact of Nutritional Supplementation on Sleep Quality and Gut Microbiome Composition in Older Adults
The aim of this study is to assess the impact of 5-hydroxytryptophan (5-HTP) supplementation on sleep quality and gut microbiome composition in older adults with normal cognition vs.
- Trial name
- NCT04078724
- Testing
- 5-HTP, Without 5-HTP
- Where
- 2 sites in Singapore
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Breast Cancer, Cancer-related Problem/Condition
Making Activity Time for Cognitive Health
Approximately 75% of cancer survivors experience some degree of cognitive deficit throughout their cancer experience, with upwards of one third of breast cancer survivors reporting impairments up to a decade after treatment.
- Conditions
- Breast Cancer, Cancer-related Problem/Condition, Cognitive Impairment, Physical Activity
- Trial name
- MATCH (NCT04255225)
- Testing
- Walking for 10 minutes, Walking for 20 minutes, Walking for 30 minutes
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Urbana-Champaign
Genotype, Allelic Frequencies of Genetic Markers
Magnetic Resonance Imaging (MRI) of Neuropsychiatric Patients and Healthy Volunteers
The purpose of this study is to use brain imaging technology to compare differences in brain structure, chemistry, and functioning in individuals with brain and mental disorders compared to healthy volunteers.
- Conditions
- Genotype, Allelic Frequencies of Genetic Markers, Brain Mapping, Brain Disease
- Trial name
- NCT00001284
- Where
- United States
- Volunteers
- 2,802 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Healthy
Effects of Stress Hormones on Emotion and Cognition
The purpose of this study is to examine how hormonal changes that occur during stressful situations affect thought and emotions.
- Trial name
- NCT00032838
- Testing
- Yohimbine
- Where
- United States
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Schizophrenia, Schizoaffective Disorder
Effects of Modafinil on Brain Function in Patients With Schizophrenia
This study will evaluate whether modafinil improves cognition in patients with schizophrenia and healthy volunteers. Modafinil is a drug that has been FDA approved for day-time sleepiness and allegedly increase the amount of the…
- Trial name
- NCT00057707
- Testing
- Modafinil, Functional MRI, Neuropsychological Testing
- Where
- United States
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)