Clinical trials: Correlation Analysis
Primary Open Angle Glaucoma, Normal Tension Glaucoma
Correlation of Orbital Cerebrospinal Fluid Pressure and Retinal Venous Outflow in Primary Open-angle Glaucoma
A spontaneous venous pulsation over the optic disc is an ophthalmological sign that can potentially be found in up to 98% of healthy individuals.
- Trial name
- NCT01795014
- Where
- Belgium
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Cutaneous Squamous Cell Cancer
Correlation of Dermoscopic Findings With Histopathological Features and Invasion Depth in Cutaneous Squamous Cell Carcinoma
This is a retrospective study including patients diagnosed with cutaneous squamous cell carcinoma between 2016 and 2025. Demographic, clinical, histopathological, and dermoscopic data were obtained from hospital records.
- Trial name
- SCC-DERM (NCT07384949)
- Where
- Turkey (Türkiye)
- Volunteers
- 238 people
- Sponsor
- Istanbul Training and Research Hospital
Morbid Obesity
Stool Analysis After Sleeve Gastrectomy vs Gastric Bypass
The goal of this observational study is to learn whether routine stool tests can detect changes in gut function 6 months after two common types of weight loss surgery: sleeve gastrectomy and gastric bypass (including mini gastric…
- Trial name
- NCT07461610
- Testing
- Laparoscopic Sleeve Gastrectomy, Mini Gastric Bypass, Roux-en-Y Gastric Bypass
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Cairo University
Medullary Thyroid Carcinoma, Multiple Endocrine Neoplasia Type 2
Study of Molecular Pathways in Medullary Thyroid Carcinoma and Correlation of Molecular Data With Clinical Behavior of the MTC in Individuals Patients
Background: Medullary thyroid carcinoma (MTC) is a rare malignancy, occurring either as a sporadic disease (75% of cases), or in a hereditary pattern as multiple endocrine neoplasia (MEN) type 2 (MEN2A or MEN2B) or familial…
- Trial name
- NCT01424878
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- National Cancer Institute (NCI)
Monteggia's Fracture
Monteggia Fractures: Analysis of Patient Reported Outcome Measurements in Correlation to Ulnar Fracture Localization
Patients who had suffered a Monteggia fracture (lesion of the elbow) will be assessed regarding clinical and functional outcome (PROM) after treatment with osteosynthesis.
- Trial name
- NCT05325268
- Testing
- Osteosynthesis
- Where
- Germany
- Volunteers
- 35 people
- Sponsor
- Technische Universität Dresden
Carbapenem-Resistant Enterobacteriaceae, Lower Respiratory Tract Infections
Correlation Analysis of Xpert Carba-R Detection of Non-colonized CRE in BALF and Rectal Swabs From Patients With LRTI
Assess the correlation between Xpert Carba-R detection of carbapenemase gene types in bronchoalveolar lavage samples and rectal swab samples from non-colonized CRKP patients with lower respiratory tract infections, and evaluate…
- Trial name
- NCT06636890
- Where
- China
- Volunteers
- 200 people
- Sponsor
- The First Affiliated Hospital with Nanjing Medical University
Breast Cancer
Correlation of Genomic Variation in Enzymes Responsible for Metabolism of Capecitabine With Drug Metabolism
The goal of this clinical research study is to find out how gene expression (as well as how often this expression occurs) in patients with breast cancer affects how Xeloda® (capecitabine) is cleared (passed through the urine)…
- Trial name
- NCT00960544
- Testing
- Capecitabine
- Sponsor
- M.D. Anderson Cancer Center
Covid-19, IgG Antibody
Correlation Analysis of Covid-19 IgG Antibody Level in Seminal Plasma and Semen Index
Since December 2019, more and more cases of unexplained pneumonia appeared after exposure to the South China Seafood Market in Wuhan City, Hubei Province.
- Conditions
- Covid-19, IgG Antibody, Semen Index
- Trial name
- NCT05212506
- Testing
- vaccinated and unvaccinated
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Shanghai First Maternity and Infant Hospital
Functional Movement Disorder, Sport Injury
ASSESSMENT OF THE HANDBALL PLAYERS
''This study aims to determine the relationship between functional movement screen (FMS), core stabilization and Y balance test.
- Trial name
- NCT05861882
- Testing
- functional movement screen, survey application, Y balance test
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Kırıkkale University
Age-related Cataract
Correlation Analysis of Lens Nucleus Density and Surgical Parameters Based on Ss-oct and Scheimpflug Technology
To study the correlation between three different lens nuclear opacity classification methods and intraoperative phacoemulsification parameters .
- Trial name
- NCT05028530
- Where
- China
- Volunteers
- 53 people
- Sponsor
- Wenzhou Medical University
Graft-Versus-Host Disease
Analysis of the Clinical and Histological Correlation of Oral Graft-Versus-Host-Disease (GVHD)
Introduction: Graft-versus-host-disease (GVHD) is the major cause of morbidity and mortality in patients submitted to the Bone Marrow Transplantation (BMT).
- Trial name
- ORALGVHD (NCT00898885)
- Testing
- oral biopsy
- Volunteers
- 41 people
- Sponsor
- University of Sao Paulo
Carpal Tunnel Syndrome (CTS), Median Nerve Entrapment
"Ultrasound Measures and Clinical Outcomes in Healthy Individuals, Mild and Moderate Carpal Tunnel Syndrome Patients"
"This study aims to investigate ultrasonographic parameters of the median nerve in healthy individuals and patients with mild and moderate carpal tunnel syndrome (CTS).
- Conditions
- Carpal Tunnel Syndrome (CTS), Median Nerve Entrapment, Electrophysiologic Study, Ultrasound
- Trial name
- NCT07408596
- Testing
- ultrasound
- Where
- Turkey (Türkiye)
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Istanbul University
Urolithiasis
Urine and Stool Analysis in Kidney Stone Disease
The purpose of this study is to add to the investigators' quest to understanding stone disease, by evaluating the metabolites excretion in urine and its relation to microflora present in the stool.
- Trial name
- NCT01637506
- Where
- 2 sites in Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Lung Cancer
Multiparametric Image Analysis and Correlation With Outcomes in Lung Cancer Screening and Early Stage Lung Cancer
Determine whether CT-based multiparametric analytical models may improve prediction of biopsy and treatment outcome in patients undergoing screening CT scan and/or treatment for early stage lung cancer
- Trial name
- NCT03563976
- Testing
- Retrospective Study
- Where
- United States
- Volunteers
- 2,000 people
- Sponsor
- University of Texas Southwestern Medical Center
End-Tidal Carbon Dioxide Measurement, Capnography
Comparison of Capnography and Blood Gas PaCO₂ Measurements
Capnography provides continuous, non-invasive assessment of ventilation by measuring end-tidal carbon dioxide (EtCO₂). Different capnographic technologies, including mainstream, sidestream, and microstream capnography, may…
- Trial name
- CAPNO-PaCO2 (NCT07834411)
- Testing
- Mainstream Capnography, Sidestream Capnography, Microstream Capnography
- Where
- Turkey (Türkiye)
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey
Portal Hypertension, Chronic Liver Disease
Within-Session Repeatability of EUS-Guided Portal Pressure Gradient Measurement
This prospective multicentre observational reliability study will determine how much a repeated endoscopic ultrasound-guided portal pressure gradient (EUS-PPG) measurement differs from the first measurement in the same patient…
- Conditions
- Portal Hypertension, Chronic Liver Disease, Liver Cirrhosis
- Trial name
- REPEAT-PPG (NCT07877298)
- Testing
- Repeated EUS-Guided Portal Pressure Gradient Measurement
- Where
- 5 sites in Belgium, Canada and 2 more
- Volunteers
- 150 people
- Sponsor
- University Hospital Muenster
Atopic Dermatitis, Psoriasis
Comparison of Cathelicidin Expression in Skin and Saliva in Patients With Atopic Dermatitis and Psoriasis
Cathelicidins are small proteins in the human body that protect against infection. The purpose of this study is to determine if the amount of cathelicidins and other small proteins found in saliva can predict the amount of these…
- Trial name
- NCT00407979
- Where
- 2 sites in United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Neuroblastoma
Pan-genome Analysis of Neuroblastoma by Comparative Genomic Hybridization and Correlation With Pathology for the Diagnostic and the Prognostic Classification
Neuroblastoma (NB) is characterized by its wide heterogeneity in clinical presentation and evolution. Recent retrospective studies have revealed by CGH-array that the overall genomic pattern is an important prognostic marker…
- Trial name
- PHRCNB07 (NCT02864563)
- Testing
- Blood sampling
- Where
- 27 sites in France
- Volunteers
- 560 people
- Sponsor
- Institut Curie
Acute Cerebral Infarction
Correlation Analysis Between Peripheral Blood PrPC Levels and Disease Severity and Prognosis in Patients With Acute Cerebral Infarction
The primary objective of this observational study is to investigate alterations in PrPc levels in peripheral blood during acute cerebral infarction, as well as the correlation between these changes and both disease severity and…
- Trial name
- NCT07513428
- Where
- China
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- The First Hospital of Jilin University
Tear Film Insufficiency, Dry Eye
Correlation of Noninvasive Tear Film Function and the Optical Quality in Mild and Moderate Dry Eye
2017 International Dry Eye Workshop (DEWS) defines dry eye as a multifactorial ocular surface disease characterized by tear film instability with disturbed visual function.
- Trial name
- NCT03815539
- Testing
- 0.1% sodium hyaluronate
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Jin Yuan