Clinical trials: Pathophysiology
Parkinson Disease, Alzheimer Disease
Autoimmune Features of Neurodegenerative Disorders
This study is being conducted to better understand the role of inflammation in Parkinson's disease (PD) and Alzheimer's disease (AD).
- Conditions
- Parkinson Disease, Alzheimer Disease, Mild Cognitive Impairment
- Trial name
- NCT04239079
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Columbia University
Parkinson Disease, Progressive Supranuclear Palsy
Cholinergic Mechanisms of Attentional-motor Integration and Gait Dysfunction in Parkinson Disease (UDALL)
To perform a prospective cohort study with [(18)F]fluoroethoxybenzovesamicol (FEOBV) brain PET at baseline and 2-year follow-up in PD subjects at risk of conversion to non-episodic and episodic (falls and FoG) PIGD motor features…
- Trial name
- NCT05459753
- Testing
- (18)F]fluoroethoxybenzovesamicol ([(18)F (FEOBV) PET, Dihydrotetrabenazine (DTBZ) PET
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Mild Cognitive Impairment
Imaging the Neural Network Connectivity on Patients With Mild Cognitive Impairment
The hypothesis tested if the diffusion properties in the base line, such as mean diffusivity or kurtosis, can differentiate two subtypes of MCI and predict the clinical outcome in Patients.
- Trial name
- NCT01927653
- Where
- Taiwan
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Chronic Obstructive Pulmonary Disease, Emphysema
Macrophages in Smokers' Lung
Cigarette smoking causes an increase in inflammation in the lungs. In about 20% of smokers this inflammation leads to damage in lungs including making holes in the lung tissue.
- Conditions
- Chronic Obstructive Pulmonary Disease, Emphysema, Chronic Bronchitis
- Trial name
- NCT00298402
- Where
- United Kingdom
- Volunteers
- healthy volunteers welcome
- Sponsor
- Imperial College London
Hepatic Impairment, Healthy Volunteers
A Study to Understand How the Study Medicine (PF-07081532) is Processed in People With Liver Dysfunction
The purpose of this study is to understand the effects of liver functional impairment on the study medicine (PF-07081532). People with liver functional impairment may process the study medicine differently from healthy people.
- Trial name
- NCT05478603
- Testing
- PF-07081532
- Where
- 2 sites in United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Pfizer
Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD)
Study on Risk Factors and Prognosis of MASLD
This longitudinal cohort study will enroll individuals with MASLD (and/or those at risk) and follow them over time to identify clinical and metabolic risk factors for disease progression and to evaluate predictors of long-term…
- Trial name
- NCT07433205
- Where
- China
- Volunteers
- 922 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Chongqing Medical University
COPD, Chronic Bronchitis
Effect of Losartan on Airway Mucociliary Dysfunction in Patients With COPD and Chronic Bronchitis
The purpose of this study is to evaluate the effect of Losartan on cigarette smoke-induced lung injury in smokers and ex-smokers with and without chronic obstructive pulmonary disease (COPD).
- Trial name
- NCT02416102
- Testing
- Losartan 50 mg, Losartan 100 mg
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Miami
Alzheimer Disease (AD), Mild Cognitive Impairment (MCI)
Improving Dementia Care in Primary Practice
This clinical trial will evaluate a multi-level scalable intervention called Improving Dementia Care (IDC). The investigators hypothesize that IDC will increase dementia detection in patients with impaired cognition more than the…
- Conditions
- Alzheimer Disease (AD), Mild Cognitive Impairment (MCI), Dementia
- Trial name
- IDC (NCT07526480)
- Testing
- Improving Dementia Care, Enhanced Usual Care
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Thomas Jefferson University
Mitochondrial Diseases
The Effect of Arginine and Citrulline Supplementation on Endothelial Dysfunction in Mitochondrial Diseases
Mitochondrial diseases occur due to inadequate energy production. In addition, nitric oxide (NO) deficiency occurs in mitochondrial diseases.
- Trial name
- NCT02809170
- Testing
- Arginine, Citrulline
- Where
- United Arab Emirates
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Tawam Hospital
Exercise Environment and Cognitive Performance in Older Adults
Outdoor vs. Indoor Exercises and Cognitive Functions in Older Adults
This observational, cross-sectional study aims to comparatively investigate the effects of outdoor versus indoor exercise environments on overall cognitive performance and its specific sub-domains (attention, memory, and…
- Trial name
- NCT07728786
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Muğla Sıtkı Koçman University
Reperfusion Injury, Vascular Complications
Trial to Investigate the Effect of Dapagliflozin on Ischemia Reperfusion Induced Endothelial Dysfunction
The aim of the study is to investigate the effect of dapagliflozin or placebo on acetylcholine (Ach)- or nitroglycerin (GTN)-induced vasodilation of the forearm resistance vasculature, as determined by FBF measurement before and…
- Trial name
- NCT05217654
- Testing
- Dapagliflozin 10mg
- Where
- Austria
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Cognitive Change, Cognitive Impairment
The Everyday Function Intervention Trial
Loss of independence, cognitive decline, and difficulties in everyday function are areas of great concern for older adults and their families.
- Conditions
- Cognitive Change, Cognitive Impairment, Healthy Aging, Dementia
- Trial name
- EFIT (NCT04651582)
- Testing
- Cognitive Training, Cognitive Stimulating Activities
- Where
- United States
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Clemson University
MGD-Meibomian Gland Dysfunction, Positron-Emission Tomography
PET-CT Imaging Features of Meibomian Glands
Analysis the results of Dry eye analysis results and PET-CT imaging comprehensively
- Conditions
- MGD-Meibomian Gland Dysfunction, Positron-Emission Tomography, Dry Eye
- Trial name
- NCT06324890
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Zhongnan Hospital
Cognitive Decline
Effects of Multidomain Intervention on Cognitive Function in Community-dwelling Elderly
The aging population has contributed to an increase in cognitive decline. To mitigate the rise in the dementia population, it is crucial to prevent cognitive decline in older adults with normal functioning, subjective cognitive…
- Trial name
- NCT06180161
- Testing
- multidomain intervention
- Where
- Taiwan
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Covid19, Critical Illness
Early Occupational Therapy in Mechanical Ventilated Patients With Covid-19
This study evaluates the feasibility of an early occupational therapy (OT) protocol in critical adult patients requiring mechanical ventilation with Covid-19.
- Conditions
- Covid19, Critical Illness, Impairment, Cognitive, Impairment, Coordination
- Trial name
- NCT04904497
- Testing
- Early Occupational Therapy
- Where
- Chile
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Chile
Ischemic Attack, Transient
Does Positioning Effects on Early Postoperative Cognitive Dysfunction in Laparoscopic Oncological Surgery
Laparoscopic surgery is an alternative to open surgical techniques for reasons such as less blood loss,less need for transfusion, shorter discharge time.
- Trial name
- NCT04714346
- Testing
- no interventions
- Where
- Turkey (Türkiye)
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Saglik Bilimleri Universitesi
Immune Thrombocytopenia, Thrombotic Thrombocytopenic Purpura
Longitudinal Cohort of Thrombosis and Hemostasis Diseases
This is a multicenter, prospective, longitudinal, observational cohort study to investigate thrombosis and hemostasis diseases in Chinese patients.
- Conditions
- Immune Thrombocytopenia, Thrombotic Thrombocytopenic Purpura, Hemophilia A, Acquired, Disseminated Intravascular Coagulation
- Trial name
- NCT06727669
- Where
- 5 sites in China
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Peking University People's Hospital
Bipolar Affective Disorder, Depression
Mitochondrial Dysfunction in the Pathophysiology and Treatment of Bipolar Disorder
This study will examine whether mitochondrial function is impaired in patients with bipolar disorder. Mitrochondria are small organelles inside the cell that are responsible for energy production.
- Trial name
- NCT00327756
- Testing
- Coenzyme Q10
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Adrenal Insufficiency, Inflammatory Lung Diseases
The Significance of Defensin Alpha 4 in the Pathophysiology of the Adrenal Insufficiency in Inflammatory Lung Diseases
The pathophysiology of the adrenal insufficiency of patients with critical diseases remains unclear. In a prior exploratory study investigating patients with exacerbation of chronic obstructive pulmonary disease (COPD), the…
- Trial name
- NCT01703013
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Cantonal Hospital of St. Gallen
Diabetes Mellitus, Hypertension
Community-based E-Health Program for Older Adults Living With Chronic Diseases
With increased aging population, there is a higher rate of having chronic diseases and cognitive impairment. In order to achieve successful aging, it is important for community-dwelling older adults to perform better…
- Conditions
- Diabetes Mellitus, Hypertension, Hyperlipidemias
- Trial name
- CeHP (NCT04560296)
- Testing
- Community-based E-Health Program, usual self-management and follow up with doctors/nurse
- Where
- 9 sites in Singapore
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
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