Clinical Trials on Contrast Sensitivity

Total 1570 results

Taipei Nobel Eye Clinic

Completed

Direct Comparison of TG and WFO LASIK

Keratomileusis, Laser In Situ | Contrast Sensitivity

Taiwan
Medical University of Vienna

Completed

A Pilot Study Simulating Multifocal Intraocular Lenses in Healthy Subjects

Visual Acuity | Lenses, Intraocular | Contrast Sensitivity

Austria
Medical University of Vienna

Completed

MTF Image Modifications

Visual Acuity | Contrast Sensitivity | Modulation Transfer Function

Austria
Iladevi Cataract and IOL Research Center

Completed

Contrast Sensitivity Assessment in Pediatric Cataract Surgery With IOL Implantation

Contrast Sensitivity

India
Foothills Medical Centre
Lantheus Medical Imaging

Completed

Can Ultrasound Replace Computed Tomography (CT) Scan in Those Unable to Have Computed Tomography (CT) Contrast Agents (CEUS_CT)

Nephrotoxicity of CT Contrast Agents | CT Scans in Those With Renal Compromise | Sensitivity to CT Contrast Agents | US With CEUS as Replacement for Unenhanced CT Scan

Canada
Herbarium Laboratorio Botanico Ltda

Completed

Dermatological Assessment of Primary Dermal Irritability Accumulated and Sensitization of Hyaluronic Nasal Spray

Sensitivity, Contact

Brazil
Herbarium Laboratorio Botanico Ltda

Completed

Dermatological Assessment of Primary Dermal Irritability Accumulated and Sensitization

Sensitivity, Contact

Brazil
UNION therapeutics

Completed

Sensitization Study of ATx201 in Healthy Volunteers

Sensitivity, Contact

United States
University of Toronto
Kensington Eye Institute

Terminated

The Incidence of Glistenings in the 2017 Intraocular Lenses Made by Alcon and Abbott Medical Optics

Cataracts | Visual Acuity Reduced Transiently | Loss of Visual Contrast Sensitivity | Functional Visual Loss

Canada
Herbarium Laboratorio Botanico Ltda

Completed

Evaluation of Cutaneous Acceptability and Perceived Effectiveness of a Nasal Spray (Health Care Products)

Acceptance, Social | Sensitivity, Contact

Brazil
Osijek University Hospital

Recruiting

The Effect of Upper Blepharoplasty on Vision Quality in the Early Postoperative Period

Contrast Sensitivity | Excess Skin of Both Eyelids | Tear Film Insufficiency of Both Eyes | Corneal Topography

Croatia
Herbarium Laboratorio Botanico Ltda

Completed

Dermatological Assessment of Primary Dermal Irritability Accumulated, Sensitization, Photoallergy and Phototoxicity.

Sensitivity, Contact

Brazil
Herbarium Laboratorio Botanico Ltda

Completed

Dermatological Assessment of Photoallergy and Phototoxicity

Sensitivity, Contact

Brazil
Dar Al Shifa Hospital

Completed

Visual Performance Following Implantation of Presbyopia Correcting IOLs

Visual Impairment | Loss of Visual Contrast Sensitivity | Near Vision

Kuwait
Phramongkutklao College of Medicine and Hospital

Unknown

Protective Effects of Oral L-Arginine CI-AKI

Contrast Induced AKI

Thailand
Chongqing Emergency Medical Center
Army Medical Center of PLA

Recruiting

Effects of Contrast Media Temperature on Image Quality and Clinical Adverse Events in Coronary CTA

Contrast Media Adverse Reaction

China
Assiut University

Unknown

Negative Oral Contrast Agents Utilization in PET/CT Studies

PET/CT | Oral Contrast

Egypt
Becton, Dickinson and Company

Completed

Study of Effectiveness of Smaller Gauge Fenestrated Catheters for Use in IV Contrast Enhanced CT Scans (ARCTR05)

Contrast Enhanced Computed Tomography

United States
Seoul National University Hospital
Korean Liver Cancer Association

Recruiting

Added Value in Combined Use of Fusion Imaging and Contrast-enhanced Ultrasonography

Contrast Media, Liver, Biopsy, Fusion

Korea, Republic of
Maastricht University Medical Center

Completed

Contrast Media Temperature and Patient Comfort in CT of the Abdomen (CATCHY)

Abdomen | Temperature | Contrast Media | Comfort

Netherlands
Lundquist Institute for Biomedical Innovation at...
General Electric

Completed

Comparison of Contrast Agents During CT Angiography (Visipaque)

Contrast Enhancement on Cardiac CT

United States
University of Washington

Completed

Improving the Concentration of MR Contrast in the Arteries

Contrast Media | Magnetic Resonance Angiography

United States
Guerbet

Completed

Post-marketing Surveillance Study for Evaluation of Dotarem Safety

Contrast-enhanced MRI With Dotarem
Vanderbilt University Medical Center
Children's Hospital of Philadelphia; Guerbet

Completed

Gadolinium-Based-Contrast-Agents (GBCA) Enhancement During MR Urography

Magnetic Resonance Imaging Contrast Agents

United States
HaEmek Medical Center, Israel

Completed

Preparative Fasting Before Contrast-enhanced Computed Tomography

X-ray Contrast Media Adverse Reaction

Israel
The University of Texas Health Science Center,...

Completed

Effect of Three Side Hole Infusion Catheter on CT Image Quality Compared to a Standard Infusion Catheter

Contrast Enhanced Computed Tomography (CT) Scanning

United States
Universidade Federal do Para

Completed

Whitening Efficacy and Tooth Sensitivity of Different Concentrations of Hydrogen Peroxide Photoactivated With Violet or Blue LEDs

Color | Bleaching Sensitivity

Brazil
Bayer

Not yet recruiting

An Observational Study to Collect Information on the Safety of Gadolinium-Based Contrast Agents in Patients in India

Contrast Enhancement in Magnetic Resonance Imaging
Bayer

Completed

A Study Called GUS to Understand How Much of the Contrast Agent Gadavist is Used and How Much is Wasted in Two Different Containers (Single-dose Vials and Imaging Bulk Packages ) in a Real-world Setting

Contrast Enhancement in Magnetic Resonance Imaging

United States
University of New England
University of Iowa

Completed

Efficacy of CPP-ACP on Bleaching Related Sensitivity

Tooth Discoloration | Teeth Sensitivity

United States
Universidad Peruana Cayetano Heredia
University of Washington

Unknown

Effects of DIammine SIlver Fluoride on Tooth Sensitivity

Dental Sensitivity | Gingival Condition

Peru
University of Palermo

Completed

Autoimmune Diseases and Serum Autoantibodies in NCWS and IBS Patients

Non-celiac Wheat Sensitivity | Non-celiac Gluten Sensitivity

Italy
Bayer

Recruiting

A Study to Learn How Gadoquatrane Moves Into, Through, and Out of the Body and How Safe it is in Children (From Birth to <18 Years), Who Will Undergo a Contrast Enhanced MRI (Quanti Pediatric)

Children | Contrast Enhancement in Magnetic Resonance Imaging

United States, Japan, China, Italy, Czechia, Canada, Poland, Argentina, Bulgaria, Belgium, Germany, Sweden, Hungary
Bayer

Completed

Study on the Risk of Allergy-like Reactions After Intra-arterial or Intra-venous Injection of the Marketed X-ray Contrast Medium Iopromid (UVIA)

Contrast Medium

Germany
Vibrant America Clinical Lab

Active, not recruiting

Effect of Personalized Elimination Diet on Food Sensitivity Related Symptoms

Food Sensitivity

United States
Balgrist University Hospital

Completed

Effects of Different Polyphenol-containing Beverages on the Immune System and on Muscular Growth Factors

Food Sensitivity

Switzerland
University of Utah
University of Colorado, Denver

Completed

Asprin Dosing Estimator in Healthy Adults

Aspirin Sensitivity

United States
Johns Hopkins University

Completed

Prevention of Alcohol Intolerance

Alcohol Sensitivity

United States
Northwestern University

Completed

Deliberate Ultraviolet Light Exposure to Get a Tan by Young Adult Sexual Minority Males

Sun Sensitivity

United States
Stony Brook University
National Institute of Mental Health (NIMH); University of Michigan

Completed

Endogenous Opioid Mechanisms for Rejection Sensitivity

Rejection Sensitivity

United States
Università degli Studi di Brescia

Completed

Foveal Sparing of the ILM

Retinal Sensitivity
Bursa Postgraduate Hospital

Completed

The Effect of Contrast Agents on the Anticoagulant Properties of Oral Factor Xa Inhibitors

Contrast Agents and Oral Factor Xa Inhibitor

Turkey
University of Florida

Completed

Reactions to Contrast Media (CM) Administered at the Time of the Endoscopic Retrograde Cholangiopancreatography (ERCP)

Contrast Allergies

United States
Peking University First Hospital

Unknown

Feasibility of Four-dimensional Hysterosalpingo-contrast Sonography With SonoVue for Assessment of Tubal Patency

Tubal Patency | Four Dimensional Hysterosalpingo-contrast Sonography

China
Cairo University

Unknown

Comparison in Marginal Adaptation Between Conventional and Gull Wing Preparation in Laminates Veneers

Teeth Sensitivity
University of Erlangen-Nürnberg Medical School

Completed

Influence of the Immunosystem in Non-celiac Glutensensitivity (NCGS)

Gluten Sensitivity

Germany
University of Palermo

Completed

Effects of Ancient Grains-based Diet in a Closed Community

Gluten Sensitivity

Italy
Centre des Sciences du Goût et de l'Alimentation

Completed

Saliva Modification Related to Fat Perception in Human (SensInFat)

Fat Sensitivity

France
University of Campania "Luigi Vanvitelli"

Completed

Gluten Sensitivity in Non-Celiac Patients (GS)

Gluten Sensitivity

United States, Italy
Liaquat University of Medical & Health Sciences

Recruiting

Postoperative Sensitivity Following Placement With Different Restorative Materials In Vital Posterior Teeth (GCP)

Sensitivity, Tooth

Pakistan

Clinical Trials on Contrast Sensitivity

Sponsors and Collaborators

Medical Conditions

Drug Interventions

CROs by country

CROs in Australia

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Rare Diseases

Drug Interventions

Dietary Supplements

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