Clinical trials: PPA
Alzheimer's Disease, Vascular Neurocognitive Disorder
Validation Study of the ExéSem Battery Designed to Differentiate the Contribution of Executive Functions in Semantic Disorders
This protocol describes a study aimed at evaluating the psychometric properties of the ExéSem battery, developed to differentiate semantic deficits from executive semantic impairments in patients with post-lesional or…
- Conditions
- Alzheimer's Disease, Vascular Neurocognitive Disorder, Progressive Primary Aphasia Semantic Variant, People Without Neurocognitive Disorder
- Trial name
- ExéSemVal (NCT07573046)
- Testing
- ExéSem cognitive battery
- Where
- France
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
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
Asmd, Visceral Type
Magnetic Resonance Spectroscopy in Acid Sphingomyelinase Deficiency
The goal of this study is to assess the ability of MRI techniques to detect early stages of lipid accumulation in the liver of ASMD patients with the chronic visceral subtype compared to healthy subjects.
- Trial name
- MONACO (NCT05904366)
- Testing
- MR Spectroscopy (MRS), MR Elastography (MRE)
- Where
- Netherlands
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Eline C. B. Eskes
Frontotemporal Dementia, Frontotemporal Lobar Degeneration
Neurofilament Surveillance Project (NSP)
This is a biomarker study designed to collect and analyze blood specimens from individuals carrying known familial frontotemporal lobar degeneration (f-FTLD) mutations compared to a control group of individuals without known…
- Conditions
- Frontotemporal Dementia, Frontotemporal Lobar Degeneration, FTD-GRN, FTD
- Trial name
- NCT04516499
- Where
- 8 sites in United States
- Volunteers
- 342 people, healthy volunteers welcome
- Sponsor
- The Bluefield Project to Cure Frontotemporal Dementia
Lysosomal Storage Disorders, Gaucher Disease
Investigating Lysosomal Storage Diseases in Minority Groups
Although lysosomal storage disorders, such as Fabry disease, Gaucher disease, and Pompe disease, represent serious challenges in the healthcare system, no study has yet investigated the prevalence of these diseases in the US.
- Conditions
- Lysosomal Storage Disorders, Gaucher Disease, Fabry Disease, Pompe Disease
- Trial name
- NCT02120235
- Where
- United States
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- O & O Alpan LLC
Lysosomal Storage Disorders
Molecular and Cellular Mechanisms of Lysosomal Storage Diseases
The lysosome is a specialized part of the cell that functions to degrade metabolic wastes in the cell. Defects in the functioning of the lysosome result in accumulation and subsequent storage of such metabolic wastes.
- Trial name
- NCT02000310
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- O & O Alpan LLC
Frontotemporal Dementia, Family Members
Genetic Frontotemporal Dementia Initiative for Neurodevelopment
This is an international multi-centre cohort study of first and second degree family members of individuals who carry Frontotemporal Dementia (FTD) mutations in MAPT, GRN or C9ORF72 repeat expansions for youths between the ages…
- Trial name
- GENFI-NeuroDev (NCT05779813)
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Western University
Dementia, Neurodegenerative Diseases
Retinal Hyperspectral Imaging in Neurodegenerative Diseases
Hyperspectral retinal imaging is a non-invasive imaging modality in which a series of images of the retina are captured using light of different wavelengths.
- Conditions
- Dementia, Neurodegenerative Diseases, Alzheimer Disease, Parkinson Disease
- Trial name
- NCT07545473
- Testing
- Hyperspectral camera
- Where
- Australia
- Volunteers
- 930 people, healthy volunteers welcome
- Sponsor
- Center for Eye Research Australia
Primary Progressive Aphasia, Dementia
Cognitive Reserve and Response to Speech-Language Intervention in Bilingual Speakers With Primary Progressive Aphasia
Difficulties with speech and language are the first and most notable symptoms of primary progressive aphasia (PPA). While there is evidence that demonstrates positive effects of speech-language treatment for individuals with PPA…
- Conditions
- Primary Progressive Aphasia, Dementia, Dementia, Frontotemporal, Alzheimer Disease
- Trial name
- NCT05741853
- Testing
- Video-Implemented Script Training for Aphasia (VISTA), Lexical Retrieval Training (LRT)
- Where
- 3 sites in United States, Spain
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Stephanie Grasso
Niemann-Pick Disease, Type C
Evaluation of Biochemical Markers and Clinical Investigation of Niemann-Pick Disease, Type C
This study will evaluate clinical and laboratory tests that might be useful in determining if an investigational drug can slow the progression of Niemann-Pick Disease, Type C (NPC), a genetic disorder that results in progressive…
- Trial name
- NCT00344331
- Where
- United States
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Frontotemporal Dementia
A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of DNL593 in Healthy Participants and Participants With Frontotemporal Dementia (FTD-GRN)
This is a Phase 1/2, multicenter, randomized, placebo-controlled, double-blind study to evaluate the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of single and multiple doses of DNL593 in two parts…
- Trial name
- NCT05262023
- Testing
- DNL593
- Where
- 26 sites in United States, Belgium and 10 more
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Denali Therapeutics Inc.
Frontotemporal Dementia
GENetic Fronto Temporal Dementia Initiative in Lille
GENFI Lille is a French cohort that belongs to the international initiative GENFI2, a five year longitudinal biomarker cohort study of genetic FTD and its associated disorders (including MND/ALS) investigating members of families…
- Trial name
- GENFI-LILLE (NCT04639622)
- Testing
- Investigation procedures
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Lille
Major Depressive Disorder
Pathophysiology of Neurodegeneration in Late-life Depression (AV45+THK)
Late-life depression has been frequently associated with cognitive impairment. Several meta-analyses consistently suggested that a history of depression approximately doubles an individual's risk for developing dementia later in…
- Trial name
- NCT03430869
- Testing
- F-18 AV-45, F-18-THK-5351
- Where
- Taiwan
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Alzheimer's Disease
Alzheimer's Disease: Clinical Investigation and Neuroimage Studies Including 18F-PM-PBB3 and 18F-florbetapir (AV-45) PET Examination
Dementia is a common neurodegenerative syndrome in aged population. Alzheimer's disease (AD) is the most common disease. The main pathological findings in AD include senile plaques (SP) and neurofibrillary tangles (NFT).
- Trial name
- PMPBB3/AV45 (NCT04305210)
- Testing
- F-18 PMPBB3, 18F-florbetapir
- Where
- Taiwan
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Stuttering, Developmental, Aphasia, Primary Progressive
Investigating Speech Sequencing in Neurotypical Speakers and Persons With Disordered Speech
Persistent developmental stuttering affects more than three million people in the United States, and it can have profound adverse effects on quality of life.
- Trial name
- NCT05437159
- Testing
- Learning of non-native phoneme combinations: 6 training sessions, Learning of non-native phoneme combinations: 1 training session, Learning of novel multisyllabic nonwords
- Where
- 3 sites in United States
- Volunteers
- 278 people, healthy volunteers welcome
- Sponsor
- Boston University Charles River Campus
Aphasia, Acquired, Language Disorders
Enhancing Language Function in Aphasia
Aphasia is an acquired impairment of language, that commonly results from damage to language areas in the brain (typically the left side of the brain).
- Conditions
- Aphasia, Acquired, Language Disorders, Primary Progressive Aphasia, Stroke, Cerebrovascular
- Trial name
- NCT05443633
- Testing
- individualized speech-language training, standard language intervention
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Amyotrophic Lateral Sclerosis, Hereditary Spastic Paraplegia
Phenotype, Genotype and Biomarkers 2
The purpose of this study is to learn more about amyotrophic lateral sclerosis (ALS) and other related neurodegenerative diseases, including frontotemporal dementia (FTD), primary lateral sclerosis (PLS), hereditary spastic…
- Conditions
- Amyotrophic Lateral Sclerosis, Hereditary Spastic Paraplegia, Primary Lateral Sclerosis, Progressive Muscular Atrophy
- Trial name
- PGB2 (NCT04875416)
- Where
- 4 sites in United States, South Africa
- Volunteers
- 217 people, healthy volunteers welcome
- Sponsor
- University of Miami
Frontotemporal Degeneration (FTD), ALS (Amyotrophic Lateral Sclerosis)
Biofluid Research on Age-Related or Inherited Neurodegeneration
The aim of this study is to contribute to and continue to sustain a repository of blood samples, nucleic acid (DNA and/or RNA) samples, family history information, and other demographic information from individuals with…
- Conditions
- Frontotemporal Degeneration (FTD), ALS (Amyotrophic Lateral Sclerosis), Primary Progressive Aphasia (PPA), Familial Frontotemporal Lobar Degeneration (fFTLD)
- Trial name
- BRAIN (NCT07798700)
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Alzheimer Disease, Dementia With Lewy Bodies
Neurological Soft Signs in Neurodegenerative Dementias
The goal of this observational study is to investigate the prevalence of Neurological Soft Signs (NSS) in various categories of dementia patients compared to matched controls.
- Conditions
- Alzheimer Disease, Dementia With Lewy Bodies, Frontotemporal Dementia, Corticobasal Degeneration
- Trial name
- DemeNSS (NCT06354933)
- Testing
- Neurological Soft Signs
- Where
- Italy
- Volunteers
- 186 people, healthy volunteers welcome
- Sponsor
- University of Milano Bicocca
Logopenic Progressive Aphasia, Primary Progressive Aphasia
Targeting Language-specific and Executive-control Networks With Transcranial Direct Current Stimulation in Logopenic Variant PPA
AD afflicts over 5.5. million Americans and is one of the most expensive diseases worldwide. In AD the variant in which language functions are most affected are referred to as 'logopenic variant Primary Progressive Aphasia'…
- Trial name
- NCT03887481
- Testing
- High-definition active tDCS (HD-tDCS) + "Repeat After Me" (RAM) Treatment
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University