Clinical trials: Diagnostic Error
Primary Open Angle Glaucoma, Myopia
Diagnostic Innovations in Glaucoma Study
The overarching goal of our research study is to evaluate changes in visual function and optic nerve topography (the structure of the back of the eye) in patients with glaucoma (increased susceptibility to pressure inside the eye…
- Trial name
- DIGS (NCT00221897)
- Where
- United States
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Urea Cycle Disorders
Study in Healthy Subjects, Patients With Urea Cycle Disorders (UCD) and Carriers of UCD Mutations to Evaluate Urea Cycle Function
This diagnostic study will be performed to investigate the performance of the urea cycle in healthy subjects, asymptomatic carriers of Urea Cycle Disorders (UCD) mutations and subjects with genetically proven urea cycle…
- Trial name
- NCT01549015
- Testing
- oral administration of Sodium [1,2-13C]-Acetate
- Where
- 4 sites in Germany
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Cytonet GmbH & Co. KG
Multiple Myeloma, Amyloidosis Cardiac
The Diagnostic Pattern and Prognosis of Multiple Myeloma Patients With Myocardial Amyloidosis Were Evaluated by NMR Based Metabolomics
In this clinical study, a single-center retrospective cohort study was used to explore the clinical characteristics and risk factors of patients with multiple myeloma myocardial amyloidosis.
- Trial name
- NCT05718401
- Testing
- NMR
- Where
- China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital Xi'an Jiaotong University
Acidosis, Renal Tubular, Nephrolithiasis
Influence of Polymorphisms in the ATP6V1 Gene of the V-ATPase on the Development of Incomplete Distal Renal Tubular Acidosis
Purpose 1. To compare the performance of the two currently employed urinary acidifications tests in stone formers, the furosemide/fludrocortisone and ammonium chloride loading test. 2.
- Conditions
- Acidosis, Renal Tubular, Nephrolithiasis, Vacuolar Proton-Translocating ATPases
- Trial name
- NCT01690039
- Testing
- Furosemide-Fludrocortisone-Test (test for urinary acidification)
- Where
- Switzerland
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Refractive Error, Visual Impairment
The Baltimore Reading and Eye Disease Study
The Baltimore Reading and Eye Disease Study (BREDS) is a two year study to determine the prevalence of vision problems in an early school age population with reading difficulty.
- Conditions
- Refractive Error, Visual Impairment, Convergence Insufficiency, Reading Disabilities
- Trial name
- BREDS (NCT02607384)
- Testing
- Eyeglass wearing, Orthoptic exercises, Specialist referral
- Volunteers
- 328 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Glaucoma, Myopia
Efficacy of Retinal Nerve Fiber Layer (RNFL) / Retinal Thickness Ratio by Cirrus OCT Utilizing Spectral -Domain Technology as a Diagnostic Predictor of Glaucoma
Glaucoma is presumed to be an axonal disease which starts at the lamina cribrosa. This assumption has led to the monitoring of the retinal nerve fiber layer thickness for the diagnosis and monitoring of progression of glaucoma.
- Trial name
- NCT00772993
- Where
- South Korea
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Compensation Incentives, Clinical Documentation
Clinical Documentation Physician Compensation Incentives
Clinical documentation which omits significant medical details negatively affects communication among physicians and impedes the diagnostic process. Clinical documentation may be improved by using compensation incentives.
- Conditions
- Compensation Incentives, Clinical Documentation, Physician Work Environment, Diagnostic Error
- Trial name
- NCT05527977
- Testing
- Compensation Incentives to improve Clinical Documentation
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Corneal Ectasia, Corneal Disease
Computer-aided Diagnosis of Ocular Diseases Based on Corneal Biomechanics
The purpose of this study is the investigation of biomechanical properties of the cornea using computer-aided data analysis. Currently, it is known that keratoconus and glaucoma are ocular disease that are associated with…
- Conditions
- Corneal Ectasia, Corneal Disease, Corneal Astigmatism, Keratoconus
- Trial name
- EyeTwin (NCT04475900)
- Testing
- Corneal biomechanics (Corvis ST, Oculus, Wetzlar, Germany), Corneal topography and tomography (Pentacam, Oculus, Wetzlar, Germany), Optic nerve head measurement
- Where
- Germany
- Volunteers
- 372 people, healthy volunteers welcome
- Sponsor
- Technische Universität Dresden
Refractive Errors, Accomodation
Study in Pediatric Volunteers of a Handheld Device Versus a Standard Diagnostic Device in Ophthalmic Refraction
This study is exploratory and examines whether the refraction results obtained from a novel optical device yields results similar to the ophthalmic refraction measurements obtained from an autorefractor in children.
- Conditions
- Refractive Errors, Accomodation, Diagnostic Self Evaluation
- Trial name
- NCT04955379
- Testing
- EQ103
- Where
- Israel
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
All Diagnosed Health Conditions, ADD/ADHD
At-Home Research Study for Patients With Autoimmune, Inflammatory, Genetic, Hematological, Infectious, Neurological, CNS, Oncological, Respiratory, Metabolic Conditions
We are the missing link in clinical trials, connecting patients and researchers seamlessly and conveniently using a mobile health platform to advance medical research.
- Conditions
- All Diagnosed Health Conditions, ADD/ADHD, Alopecia Areata, Ankylosing Spondylitis
- Trial name
- NCT01931644
- Where
- United States
- Volunteers
- 17,667 people, healthy volunteers welcome
- Sponsor
- Sanguine Biosciences
G6PD Deficiency
Validation of a Diagnostic Test for Glucose-6-phosphate Dehydrogenase (G6PD) Deficiency in Anti-coagulated Blood
The primary objective of the study is to assess the accuracy of the SD Biosensor STANDARD™ point-of-care (POC) G6PD test in measuring G6PD activity and classifying results compared to a reference assay and across repeated…
- Trial name
- NCT04054661
- Testing
- SD Biosensor STANDARD G6PD Test, Pointe Scientific Test Kit, HemoCue System
- Where
- United States
- Volunteers
- 229 people, healthy volunteers welcome
- Sponsor
- PATH
Cardiac Amyloidosis
Molecular Imaging of Myocardial Fibrosis in Cardiac Amyloidosis
The primary aim of our pilot study is to determine whether fibrosis in the heart can be measured with [68Ga]CBP8, a positron emission tomography (PET) probe, using PET/magnetic resonance imaging (MRI) imaging, in 30 individuals…
- Trial name
- NCT05619302
- Testing
- [68Ga]CBP8 PET/MRI
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Wild-type ATTR Amyloidosis, Amyloidosis Cardiac
ATTR Amyloid Cardiomyopathy: Characterization of Extracellular Vesicles as Potential Disease Stratifiers and Prognostic Biomarkers
This study explores whether extracellular vesicles (EVs) tiny particles released into the bloodstream by cells can serve as early and minimally invasive biomarkers for transthyretin amyloid cardiomyopathy (ATTR-CM).
- Conditions
- Wild-type ATTR Amyloidosis, Amyloidosis Cardiac, Amyloidosis, Hereditary, Amyloidosis Transthyretin
- Trial name
- EV-ATTR (NCT07314268)
- Where
- Brazil
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo General Hospital
Spinal Muscular Atrophy, Fragile X Syndrome
Early Check: Expanded Screening in Newborns
Early Check provides voluntary screening of newborns for a selected panel of conditions. The study has three main objectives: 1) develop and implement an approach to identify affected infants, 2) address the impact on infants and…
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy
- Trial name
- NCT03655223
- Testing
- Confirmatory Testing
- Where
- United States
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- RTI International
G6PD Deficiency
Evaluation of a Diagnostic to Identify Glucose-6-phosphate Dehydrogenase (G6PD) Deficiency in Brazil
Th objectives of this study are: To determine the performance of G6PD tests in detecting G6PD activity and hemoglobin (Hb) compared to a reference assay To assess the comprehension of the G6PD test packaging and labelling among…
- Trial name
- NCT04033640
- Testing
- SD Biosensor STANDARD G6PD Test, Pointe Scientific Test Kit, HemoCue System
- Where
- 2 sites in Brazil
- Volunteers
- 1,754 people, healthy volunteers welcome
- Sponsor
- PATH
Amyloidosis Cardiac, Virtual Reality
Virtual Reality Assisted Patient Empowerment: Diagnose ATTR-Amyloidosis And Start Treatment
ATTR amyloidosis is a serious condition with significant morbidity and mortality. In Germany, there are numerous unreported cases of untreated patients, and diagnosing and initiating treatment often requires multiple specialized…
- Trial name
- VRAP-DAAST (NCT05938218)
- Testing
- Intervention
- Where
- Germany
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Heinrich-Heine University, Duesseldorf
Familial Hypercholesterolemia, Cholesterol, Elevated
Improved Diagnosis of Familial Hypercholesterolemia Across the Northland (ID-FH)
The overall goal of this study is to promote awareness of Familial Hypercholesterolemia (FH). The investigators aim to enroll patients with suspected FH into the study and will randomize them to receive usual care or motivational…
- Conditions
- Familial Hypercholesterolemia, Cholesterol, Elevated, Genetic Disease
- Trial name
- ID-FH (NCT05238519)
- Testing
- Motivational interview (MI)
- Where
- 2 sites in United States
- Volunteers
- 257 people, healthy volunteers welcome
- Sponsor
- Essentia Health
Refractive Errors, Astigmatism
Study of a Hand-held Device Plus Mobile App Versus Standard Eye Care Devices in Measuring Refractive Error of the Eye
Single-center, open-label, prospective study in healthy volunteers desiring refraction for correction of visual acuity to compare a handheld device supported by a mobile application with the phoropter and autorefractor.
- Trial name
- NCT03929588
- Testing
- Hand-held device supported by a mobile application, Phoropter, Autorefractor
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Thinking
Cognitive Process of Diagnostic Error in Emergency Physicians
Diagnostic error, Dual process model of reasoning) During the last decade, much emphasis has been placed on system solutions to patient safety problems.
- Trial name
- diagnosis (NCT04030975)
- Where
- Taiwan
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cathay General Hospital
Lactose Intolerance
Lactobreath: A Study to Diagnose Lactose Intolerance Using Breath Markers
Food intolerances affect many people and can cause discomfort and dietary challenges. One common cause is difficulty digesting certain carbohydrates called FODMAPs.
- Trial name
- Lactobreath (NCT06177938)
- Testing
- Lactose solution/Glucose solution
- Where
- Switzerland
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- ETH Zurich