Clinical trials: Healthy Controls
DENV Without Warning Signs, DENV with Warning Signs
Innovative Multidisciplinary Strategies for Combating Severe Dengue
The goal of this observational study is to identify biomarkers and host factors associated with dengue severity in patients from dengue-endemic regions.
- Conditions
- DENV Without Warning Signs, DENV with Warning Signs, Severe Dengue, Healthy Controls Group - Age and Sex-matched
- Trial name
- COMBAT (NCT06751836)
- Testing
- Infection and no infection
- Where
- 2 sites in Guatemala, India
- Volunteers
- 1,400 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Schizophrenia / Schizoaffective Disorder, SCHIZOPHRENIA 1 (Disorder)
Cognitive Neurocomputational Task Reliability and Clinical Applications Consortium: Study 3
In Study 3, all tasks and models from Aim 1 will be evaluated in a large community sample of online participants recruited through Prolific.
- Conditions
- Schizophrenia / Schizoaffective Disorder, SCHIZOPHRENIA 1 (Disorder), Healthy Adult
- Trial name
- CNTRACS (NCT07900893)
- Testing
- Motion Perception Task, Sine Wave Speech Task, Volatility Task
- Where
- 2 sites in United States
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Parkinson's Disease
Gut-derived Neuropeptides in Cerebrospinal Fluid of Patients With Parkinson's Disease and Healthy Controls
In previous work, the investigators analyzed the concentration of gut-derived peptides (ghrelin, pancreatic polypeptide [PP]) in serum of patients with Parkinson's disease (PD).
- Trial name
- NCT01792193
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Dr. Marcus Unger
Healthy Individuals (Controls), Vascular Surgery Patients With Acute Thrombosis
Haemodialysis Alters Hypercoagulability of Blood in Dialysis Patients
Primary Objective: To develop a thrombotic event risk assessment model integrating serum biomarkers (TM, TAT, t-PAIC, PIC) with clinical data, systematically compare its predictive performance across healthy populations, vascular…
- Conditions
- Healthy Individuals (Controls), Vascular Surgery Patients With Acute Thrombosis, Dialysis Patients
- Trial name
- TAT-t-PAIC (NCT07098676)
- Where
- China
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Ai Peng
Depression, Mood Disorders
Cold and Heat Investigation to Lower Levels of Depression
This study will recruit 112 medically healthy adults (aged 18-65) currently experiencing depressive symptoms to be randomized to receive either a single Whole Body Hyperthermia (heat therapy) treatment or a Whole Body…
- Conditions
- Depression, Mood Disorders, Healthy (Controls)
- Trial name
- CHILL'D (NCT06263738)
- Testing
- Whole Body Hyperthermia, Cold Water Plunge
- Where
- United States
- Volunteers
- 162 people, healthy volunteers welcome
- Sponsor
- Barry Sandler
Healthy Controls
Serotonin and Motor Plasticity
With this study, the investigators aim to test whether acute administration of selective serotonin reuptake inhibitors (SSRI) improves motor performance in a sequential motor learning task in comparison to placebo in healthy…
- Trial name
- NCT03162185
- Testing
- Escitalopram
- Where
- Germany
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Max Planck Institute for Human Cognitive and Brain Sciences
Arthritis, Rheumatoid
Evaluating Safety of Escalating Doses of Tilmanocept by IV Injection and SPECT Imaging in Subjects With and Without RA
Prospective, open-label, multicenter, dose escalation, safety with pharmacokinetics (PK) and dosimetry study of injected Tc 99m tilmanocept in the detection of and assessment of localization to skeletal joints in subjects with…
- Trial name
- NCT02865434
- Testing
- Tc99m-tilmanocept, SPECT Imaging (60 Minutes post-injection), SPECT Imaging (180 Minutes post-injection)
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Navidea Biopharmaceuticals
Crohn Disease
Myoelectric GutPrint-Crohn's Disease
A feasibility study for assessing and recording myoelectric activity in patients for early detection of flare in patients with Crohn's disease and differentiating the myoelectric signals from Crohn's disease patients in remission…
- Trial name
- Gutcheck-CD (NCT03774485)
- Testing
- G-Tech Gutcheck Myoelectric recording device
- Where
- United States
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- Stanford University
Healthy Controls
Intranasal Insulin and Olanzapine Study in Healthy Volunteers
Antipsychotic (AP) medications are considered to be the gold standard treatment for psychotic disorders including schizophrenia.
- Trial name
- INI/OLA (NCT03741478)
- Testing
- OLANZapine 2.5 MG, Insulin Lispro 100 UNT/ML, Saline
- Where
- 2 sites in Canada
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Centre for Addiction and Mental Health
COPD, Non-invasive Ventilation
NIV Reduces CBF in COPD Patients Without Cognitive Function
Objectives: Investigate the acute NIV effects on CBF and cognitive functions in COPD patients. Methods: Nine non-hypercapnic stable COPD subjects (FEV1/FVC < lower limit of normal) and twelve healthy controls were enrolled.
- Conditions
- COPD, Non-invasive Ventilation, Cognitive Impairment, Cerebral Blood Flow
- Trial name
- NCT03149835
- Testing
- Non-invasive ventilation
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Ceara
Rheumatoid Arthritis, Shoulder Injuries and Disorders
Ultrasonographic Evaluation of Asymptomatic Shoulder Joint Pathologies in Rheumatoid Arthritis Patients
Ultrasonographic determination of changes and degree of damage in asymptomatic shoulder joint periarticular structures in RA patients and comparison with healthy controls.
- Trial name
- UEASJPRAP (NCT06572696)
- Testing
- Shulder Ultrasound
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Fatih Sultan Mehmet Training and Research Hospital
Healthy Controls
Pomaglumetad Effects on Glutamate Biomarkers
The study will evaluate the effects of the mGluR2/3 partial agonist LY2140023 (Pomaglumetad Methionil, "POMA") at selected doses on ketamine-stimulated glutamate release in prefrontal cortex as measured by pharmacoBOLD fMRI (also…
- Trial name
- NCT02919774
- Testing
- POMA
- Where
- 4 sites in United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Irritable Bowel Syndrome, Food Sensitivity
Confocal Laser Endomicroscopy to Determine Influence of Food Antigens on Mucosal Integrity
Irritable bowel syndrome (IBS) is mainly associated with food intolerance and presents a particular challenge in gastrointestinal practice.
- Conditions
- Irritable Bowel Syndrome, Food Sensitivity, Healthy Controls
- Trial name
- RDS_CLE (NCT05056610)
- Testing
- food antigens on duodenal mucosa
- Where
- Germany
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg Medical School
Multiple Sclerosis, Relapsing-remitting
Pharmacokinetics of Vitamin D in Multiple Sclerosis and in Health
This is a pilot study of oral vitamin D supplementation to determine if patients with Multiple Sclerosis (MS) and healthy individuals attain a similar increase in serum 25-hydroxyvitamin D levels.
- Trial name
- NCT01667796
- Testing
- Vitamin D3
- Where
- 2 sites in United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
HIV Positive
Thinking and Memory Problems in People With HIV
Background: People with human immunodeficiency virus (HIV) can sometimes develop thinking and memory problems. These problems can vary widely, from few symptoms to severe problems with memory and concentration.
- Trial name
- NCT01875588
- Where
- United States
- Volunteers
- 1,150 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Essential Hypertension and Healthy Controls
The Effect of High and Low Sodium Intake on Urinary Aquaporin-2 in Essential Hypertension
The aim of the study is to test the following hypotheses: that the function and/or regulation of AQP2 and/or ENaC in the principal cells is abnormal in essential hypertension.
- Trial name
- NCT00345124
- Testing
- high sodium diet, Low Sodium Diet
- Where
- Denmark
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Regional Hospital Holstebro
Renal Transplantation, Chronic Kidney Insufficiency
Urinary Biomarkers in Paediatric Kidney Transplantation (pKTx)
This study aims to test and validate the panel of study urinary biomarker to assess whether (1) reference values differ between paediatric renal transplant patients, patients with chronic kidney disease stage IV and V (CKD IV-V)…
- Conditions
- Renal Transplantation, Chronic Kidney Insufficiency, Healthy Controls
- Trial name
- NCT05208788
- Testing
- Biomarker test
- Where
- Germany
- Volunteers
- 186 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Type 2 Diabetes
Processed Meat and Brain Regions Related to Reward and Addiction
The purpose of this study is to 1. Compare effects of two isocaloric meals (processed meat hamburger vs. vegetarian sandwich) in response to the postprandial period by using functional brain imaging of reward circuitry implicated…
- Trial name
- RewCrav (NCT02474147)
- Testing
- Processed meat hamburger, Vegan sandwich
- Where
- Czechia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Institute for Clinical and Experimental Medicine
Rheumatoid Arthritis, Ankylosing Spondylitis
Artificial Intelligence Literacy and E-Health Literacy in Rheumatic Diseases
This study aims to evaluate digital health competencies in individuals with rheumatic and degenerative joint diseases. Specifically, it assesses e-health literacy and artificial intelligence literacy, which refer to individuals'…
- Conditions
- Rheumatoid Arthritis, Ankylosing Spondylitis, Psoriatic Arthritis, Knee Osteoarthritis
- Trial name
- NCT07054749
- Where
- Turkey (Türkiye)
- Volunteers
- 201 people, healthy volunteers welcome
- Sponsor
- Gulseren Demir Karakilic
High Altitude, Healthy Adult
Assessment of Total Pulmonary Resistance sPAP/CO Between High Altitude HA vs. Sea Level LA in Healthy Individuals H
To study the effect of relocation from high altitude (Quito Ecuador: 2850m) to sea level on pulmonary resistance (sPAP/CO) and other hemodynamic outcomes in healthy individuals, who live permanently >2600m.
- Conditions
- High Altitude, Healthy Adult, Echocardiography, Pulmonary Resistance
- Trial name
- NCT07804485
- Testing
- Descent from 2850m to sea level
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini