Clinical trials: Reproducibility
Alzheimer's Disease
A Study of 18F-AV-45 in Alzheimer's Disease (AD) and Healthy Volunteers
This study will test if two AV-45 PET scans up to 4 weeks apart in AD subjects and healthy volunteers provide the same results. The study will also test two different AV-45 injection methods in a small subgroup of enrolled AD…
- Trial name
- NCT01565343
- Testing
- florbetapir F 18
- Where
- 4 sites in United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Avid Radiopharmaceuticals
Alzheimer's Disease
A Study of Flortaucipir PET in Healthy Volunteers and Cognitively Impaired Subjects
This study will test if two flortaucipir PET scans up to 4 weeks apart in healthy volunteers, MCI and AD subjects provide the same results.
- Trial name
- NCT01992380
- Testing
- Flortaucipir F18, Brain PET scan
- Where
- 2 sites in United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Avid Radiopharmaceuticals
Ventilation, Reproducibility
Assessing Variability of the Ventilatory Response to Duffin's Rebreathing Procedure
This study will combine Duffin's rebreathing procedure with additional study procedures, such as quantitative pupillometry, that are planned for subsequent clinical studies in order to confirm feasibility and gather…
- Conditions
- Ventilation, Reproducibility, Physiology
- Trial name
- NCT05168501
- Testing
- Rebreathing procedure
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Food and Drug Administration (FDA)
Chronic Obstructive Pulmonary Disease
Reliability, Sensitivity and Validity of the 6 Minute Step Test in Chronic Obstructive Pulmonary Disease (COPD) Patients
Chronic Obstructive Pulmonary Disease (COPD) leads to a reduction in exercise capacity that affects the quality of life and increases mortality of these patients.
- Trial name
- NCT01298661
- Testing
- Six-minute Step Test
- Where
- Brazil
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Sao Carlos
Analytical Reproducibility of a Medical Device
Spartan FRX Project Reproducibility Study
The Spartan FRX CYP2C19 Test System (hereafter referred to as the 'FRX System') is a qualitative in vitro diagnostic test for the identification of a patient's CYP2C19 *2, *3 and *17 genotypes from genomic DNA obtained from…
- Trial name
- NCT01676298
- Testing
- Spartan FRX CYP2C19 Test System
- Where
- 3 sites in Canada
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Spartan Bioscience Inc.
Healthy
Rad-67 Repeatability and Reproducibility
The primary objective of this clinical investigation is to evaluate the repeatability and reproducibility of using Rad-67 Pulse CO-Oximeter
- Trial name
- NCT04196907
- Testing
- Rad-67 Pulse CO-Oximeter and DCI Mini sensor
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Masimo Corporation
Healthy
Repeatability and Reproducibility of Oxygen Reserve Index (ORi)
This study is designed to evaluate the repeatability and reproducibility of ORi using an investigational Masimo rainbow sensor and FDA cleared rainbow sensors connected to the Masimo Radical-7 pulse oximeter and Masimo Root…
- Trial name
- NCT05636098
- Testing
- Masimo Rainbow Sensors
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Masimo Corporation
Hepatitis C, Chronic, Non-Alcoholic Fatty Liver Disease
Intra-Individual Reproducibility of the Non-Invasive Assessment of the Portal Circulation
HepQuant tests are new liver tests that are being developed to accurately measure liver function with sensitivity and specificity while being safe and non-invasive.
- Trial name
- Repro (NCT01579162)
- Testing
- Cholate-24-13C (IND 65121) & Cholate-2,2,4,4-d4 (IND 65123)
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- HepQuant, LLC
Healthy, Anemia
Noninvasive Hemoglobin Repeatability and Reproducibility in a Blood Donation Setting
The primary objective of this clinical investigation is to report on the repeatability and reproducibility of SpHb measurements from Rad-67 devices and DCI Mini sensors used to screen prospective blood donors at a donation center.
- Trial name
- NCT04490863
- Testing
- Rad-67 Pulse oximeter & DCI Mini sensor
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Masimo Corporation
Glaucoma
Heidelberg Edge Perimetry (HEP) Detecting Glaucomatous Visual Field Defects
The purpose of this study is to compare standard automated perimetry (SAP) using the Heidelberg Edge Perimeter (HEP) to the Octopus Visual Field (OVF) analyzer and determine test-retest reliability of both parameters in detecting…
- Trial name
- HEP (NCT02526654)
- Testing
- Heidelberg Edge Perimeter, Octopus Visual Field, Optical Coherence Tomography
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Streptococcus Pneumonia, Controlled Human Infection
Experimental Human Pneumococcal Challenge With SPN3
The 'Experimental Human Pneumococcal challenge' (EHPC) model is a way of putting drops of bacteria into the nose. Investigators have studied this model of putting bacteria in the nose safely in over 1500 volunteers over the past…
- Trial name
- Challenge3 (NCT05535868)
- Testing
- Serotype 3 Experimental Human Pneumococcal Challenge - Liverpool Isolate (LIV014-S3), Serotype 3 Experimental Human Pneumococcal Challenge - Malawi Isolate (MLW-10V)
- Where
- United Kingdom
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Liverpool School of Tropical Medicine
Glaucoma
Spaeth/Richman Contrast Sensitivity Test
The Spaeth-Richman Contrast Sensitivity (SPARCS) test is a new method of assessing contrast sensitivity. The test, another way to measure vision, is performed on any standard computer with internet access.
- Trial name
- SPARCS (NCT01300949)
- Testing
- Spaeth/Richman Contrast Sensitivity Test, Pelli-Robson Contrast Sensitivity Chart
- Where
- United States
- Volunteers
- 314 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Nicotine Dependence, Healthy
Test-retest Reproducibility of [11C]PHNO PET Using the Constant Infusion Paradigm
A research study designed to examine amphetamine-induced dopamine release using the PET imaging agent [11C]PHNO in tobacco smokers while currently smoking and during acute withdrawal and in nonsmokers.
- Trial name
- phno_amth (NCT01699607)
- Testing
- Amphetamine
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Yale University
MALARIA, FEVER
Evaluation of Reproducibility of a Sporozoite Challenge Model for Plasmodium Vivax in Human Volunteers
The study is a randomized open label clinical trial to verify the reproducibility of a sporozoite challenge model for Plasmodium vivax in humans.
- Conditions
- MALARIA, FEVER, Sweating Fever, Chills
- Trial name
- NCT00367380
- Testing
- 413ABM, 414WRR, 418JAL
- Where
- Colombia
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Malaria Vaccine and Drug Development Center