Clinical trials: Pathogenesis
Non-alcoholic Fatty Liver Disease, Non-alcoholic Steatohepatitis
Unravelling Mechanisms of Fructose vs Glucose Consumption in the Pathogenesis and Progression of NAFLD
Non-alcoholic fatty liver disease (NAFLD) comprises a spectrum ranging from simple fatty liver over steatohepatitis (NASH) to liver cirrhosis and cancer (HCC) and is a major and increasing health problem affecting nearly 40% of…
- Trial name
- NCT02075164
- Testing
- Fructose, Glucose
- Where
- Austria
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Prof. Michael Trauner, MD
Vitiligo
Evaluation of Pyroptosis-related Indicators in the Pathogenesis of Vitiligo:Across-sectional Comparative Study
Vitiligo is an acquired pigmentary disorder on skin and/or mucosae, which is characterized by death of melanocytes (MCs), affecting 0.5%-2% of the population worldwide (1).
- Trial name
- NCT06261086
- Testing
- evaluate serum levels pyroptosis-related indicators (GASDM-D, IL 1β & IL-18)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Sohag University
Coronavirus Infection, Severe Acute Respiratory Syndrome
Study of the Pathogenesis of Olfactory Disorders in COVID-19
This study is a case-control study to characterize the molecular and cellular anomalies of the olfactory epithelium of COVID-19 patients with isolated anosmia, by comparison with the olfactory epithelium of non-infected subjects.
- Conditions
- Coronavirus Infection, Severe Acute Respiratory Syndrome, Sars-CoV2
- Trial name
- COVIDSMELL (NCT04366934)
- Testing
- Nasal swab, Taste and olfactory function evaluation
- Where
- 2 sites in France
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
Vaginosis, Bacterial
Pathogenesis of Bacterial Vaginosis in Women Who Have Sex With Women
The objectives of this study are to: (1) use cultivation-independent molecular methods to determine the sequence of microbiological events culminating in bacterial vaginosis (BV) among sexually active African American women who…
- Trial name
- NCT02272231
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Membranous Nephropathy
Autoreactive B Cells in Membranous Nephropathy
Membranous nephropathy (MN) is the most frequent cause of nephrotic syndrome (NS) in adults. The majority of MN patients show detectable circulating antibodies against the M-type phospholipase A2 receptor (PLA2R).
- Trial name
- PEPTIDE (NCT04095156)
- Testing
- In vitro assays.
- Where
- Italy
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- Mario Negri Institute for Pharmacological Research
Inflammatory Bowel Disease, Crohn's Disease
SSAT 054: Non Genetic Factors in the Pathogenesis of IBD in Twins
This study aims to investigate the role of non-genetic factors in the pathogenesis of inflammatory bowel disease.An exploratory study to investigate differences between the epigenome, microbiota and functional immunology in twins…
- Conditions
- Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis
- Trial name
- NCT02383953
- Where
- United Kingdom
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- St Stephens Aids Trust
NOMID, DIRA
Natural History, Pathogenesis, and Outcome of Autoinflammatory Diseases (NOMID/CAPS, DIRA, CANDLE, SAVI, NLRC4-MAS, Still'S-like Diseases, and Other Undifferentiated Autoinflammatory Diseases)
Background: Some diseases cause chronic inflammation with intermittent flares in the body. These are called autoinflammatory diseases. They can cause fevers, rashes, ulcers, and other problems.
- Conditions
- NOMID, DIRA, NLRC4-MAS, SAVI
- Trial name
- NCT02974595
- Where
- United States
- Volunteers
- 3,200 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Systemic Lupus Erythematosis
Circulating MicroRNAs in Understanding Pathogenesis of Systemic Lupus Erythematosis
This study aims to identify the expression signature of miR-181a, miR-196a and miR-21 in plasma of SLE patients and difference in their expression among groups with different systemic lupus erythematosis disease activity index…
- Trial name
- NCT02756546
- Testing
- Cyclophosphamide, Hydroxychloroquine, Hydrocortisone
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Cairo University
Insulin Resistance, Oligospermia
Insulin Resistance in Idiopathic Oligospermia and Azoospermia
Insulin resistance in men can be the underlying major factor in reproductive abnormalities ( chronic hypospermatogenesis ) as well as metabolic abnormalities similar to polycystic ovarian syndrome ( PCOS ) in women.
- Conditions
- Insulin Resistance, Oligospermia, Azoospermia
- Trial name
- NCT01509482
- Testing
- blood samples
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- The Egyptian IVF-ET Center
Idiopathic Thrombocytopenic Purpura
Role of CD11a in Pathogenesis of Primary ITP and Effect of Immunosuppressive Therapy on Its Level
1. The purpose of this study is to investigate the expression of CD11a on subpopulation of lymphocytes and compared its expression between ITP patients and healthy controls and explores its possible role in the pathogenesis of…
- Trial name
- NCT03864796
- Where
- Egypt
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Assiut University
Cervical Cancer
The Mechanism of Vaginal Flora and Its Metabolites in the Pathogenesis of Cervical Cancer
The disorder of vaginal microflora and its metabolites is considered to be a facilitating factor to human papillomavirus-mediated cervical cancer. However, the mechanism is still unclear.
- Trial name
- NCT05185713
- Testing
- This project is a clinical observational study. No additional medication or surgical interventions are performed on the subjects.
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Osteonecrosis
Molecular Genetic Study of Avascular Necrosis of the Femoral Head
Avascular necrosis of the femoral head (ANFH) is a debilitating disease that commonly leads to destruction of the hip joint in patients at middle age of life and often requires surgical intervention.
- Trial name
- NCT00260897
- Where
- Taiwan
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- National Health Research Institutes, Taiwan
Liver Cirrhosis, Acute-On-Chronic Liver Failure
Characterization and Pathogenesis of ACLF
This single-center prospective observational study aims at characterization of pathogenesis of ACLF. There will be three different cohorts investigated with the main endpoint mortality in these groups. 1.
- Conditions
- Liver Cirrhosis, Acute-On-Chronic Liver Failure, Portal Hypertension
- Trial name
- ACLF-I (NCT04975490)
- Where
- Germany
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Johann Wolfgang Goethe University Hospital
Major Depression
Assessment of Pituitary Adenylate Cyclase Activating Polypeptide-Brain Derived Neurotrophic Factor (PACAP-BDNF) Signaling System Involvement in Etiology and Treatment of Major Depression
The neuropeptide Pituitary Adenylate Cyclase Activating Polypeptide (PACAP) and its receptors PAC1 and VPAC2 are widely expressed in the nervous system.
- Trial name
- NCT00944996
- Testing
- SSRI; SNRI; TCA
- Where
- Israel
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tirat Carmel Mental Health Center
Dermatomyositis, Polymyositis
Study and Treatment of Inflammatory Muscle Diseases
This study of inflammatory muscle diseases-polymyositis and dermatomyositis and related disorders-will examine what causes these diseases and describe the clinical features (signs and symptoms) associated with them.
- Trial name
- NCT00001265
- Where
- United States
- Volunteers
- 1,325 people, healthy volunteers welcome
- Sponsor
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Type 1 Diabetes
Role of Intestinal Inflammation in the Pathogenesis of Type 1 Diabetes
This purpose of this study is to determine if activation of a person's immune system in the small intestine could be a contributing cause of Type 1 Diabetes.
- Trial name
- NCT01940835
- Testing
- Upper endoscopy with small bowel biopsies and brushings., Blood draw, Stool sample
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Takayasu's Arteritis, Giant Cell Arteritis
Studies of the Natural History, Pathogenesis, and Outcome of Idiopathic Systemic Vasculitis
Background: Vasculitis is a group of diseases that inflame and damage blood vessels and tissue. It can cause many medical problems. Few tests can diagnose the disease, and none can reliably predict a relapse.
- Conditions
- Takayasu's Arteritis, Giant Cell Arteritis, Polyarteritis Nodosa, Relapsing Polychondritis
- Trial name
- NCT02257866
- Where
- United States
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Asthma, Inflammation
Pathogenesis and Genetics of Environmental Asthma Ozone Study
The goals of the research are designed to accomplish genetic association studies of candidate genes in healthy normal individuals exposed to 0.2 ppm for 2.25 hours with intermittent exercise in order to search for associations…
- Trial name
- NCT00574158
- Where
- United States
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Type 1 Diabetes Mellitus, Polycystic Ovary Syndrome (PCOS)
Polycystic Ovary Syndrome in Type 1 Diabetes
BACKGROUND Functional ovarian hyperandrogenism, including the polycystic ovary syndrome (PCOS), is very prevalent in women with type 1 diabetes (T1D). The pathogenic mechanisms of this association remain unclear.
- Trial name
- NCT07490964
- Testing
- Type 1 diabetes mellitus, Elevated circulating androgen levels, Sex dimorphism
- Where
- Spain
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Fundacion para la Investigacion Biomedica del Hospital Universitario Ramon y Cajal
Arthritis, Arthritis, Reactive
The Pathogenesis of Inflammatory Synovitis: A Study of Early Arthritis
This study will evaluate patients with inflammatory forms of arthritis within the first year of onset. The study will attempt to clarify factors that may predict disease course such as evolution into rheumatoid arthritis (RA) or…
- Conditions
- Arthritis, Arthritis, Reactive, Arthritis, Rheumatoid, Reiter's Disease
- Trial name
- NCT00001375
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)