Clinical trials: Specificity
Asthma
A Study to Evaluate the Sensitivity and Specificity of Inhaled Methacholine in Bronchial Provocation Test
A multicenter, open-label study to evaluate the sensitivity and specificity of inhaled methacholine in bronchial provocation test
- Trial name
- NCT05634473
- Testing
- Methacholine Chloride
- Where
- 12 sites in China
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
Pulpitis, Apical Periodontitis
Validation of PUFA Index in Assessing Untreated Dental Caries Among Malaysian Adult Subpopulation
PUFA Index was introduced to detect the clinical consequences of untreated dental caries. To date, there are no studies on the reliability and accuracy of the PUFA index as a screening tool.
- Trial name
- NCT04126928
- Testing
- Screening using DMFT and PUFA, orthopantomogram is taken and assessed using PAI, comprehensive clinical examination to diagnose pulpal and periapical conditions.
- Where
- Malaysia
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- Universiti Kebangsaan Malaysia Medical Centre
Pneumonia, Pneumonia - Bacterial
Urine Pneumococcal Antigen Project
Background: Pneumonia caused by the bacteria Streptococcus pneumoniae is a leading cause of death among children under five years of age, especially in sub-Saharan Africa.
- Trial name
- UPAP (NCT07181200)
- Where
- Malawi
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- Liverpool School of Tropical Medicine
SARS-CoV2 Infection, COVID-19
BinaxNOW for Evaluating Children for Infection With SARS-CoV-2 (COVID-19)
This is a study of the BinaxNOW Covid-19 Ag Card as a method to rapidly identify SARS-CoV-2 infection in asymptomatic children, teachers, and other school staff for exclusion.
- Trial name
- NCT05087524
- Testing
- BinaxNOW Ag Card
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Covid19, Rapid Antigen Test
Sensitivity and Specificity of SARS-CoV-2 Rapid Antigen Test Compared to RT-PCR Test
This project aims to investigate the sensitivity and specificity of the rapid antigen test compared to RT-PCR test performed on samples from the nasopharynx and the anterior nasal cavity and the oropharynx, respectively.
- Conditions
- Covid19, Rapid Antigen Test, SARS-CoV-2
- Trial name
- NCT04689399
- Testing
- Standard Q COVID-19 Ag - test, produced by SD Biosensor INC.
- Where
- Denmark
- Volunteers
- 4,697 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Horton Disease
Chewing Gum Test for the Diagnosis of Giant Cell Arteritis (Horton's Disease) - ChewingHort
It is hypothesized that chewing-gums may be a useful test to unmask jaws intermittent claudication in order to enhance the diagnosis of Giant Cell Arteritis (GCA).
- Trial name
- ChewingHort (NCT04010097)
- Testing
- chewing gum
- Where
- 6 sites in France
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- University Hospital, Limoges
Hearing Impaired Children
EarGenie MVP Performance Evaluation
This is a single-group clinical trial to evaluate the performance of the EarGenie minimum viable product (MVP) in normal hearing infants.
- Trial name
- NCT06406088
- Testing
- EarGenie MVP test
- Where
- Australia
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- The Bionics Institute of Australia
Asthma
A Comparative Bronchial Provocation Study With Mannitol and Methacolinie in a Korean Population
Asthmatic patients and non-asthmatic controls were recruited prospectively from four referral hospitals in Korea. Participants were challenged with each of methacholine and mannitol inhalation on different days.
- Trial name
- NCT02104284
- Testing
- methacholine and mannitol bronchial challenge tests
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- BL&H Co., Ltd
MCI
Accexible Speech Analysis for MCI Detection and Monitoring in Colombia
Mild Cognitive Impairment (MCI) is frequently underdiagnosed due to its subtle clinical presentation. This study evaluates the diagnostic performance of AcceXible, a speech analysis-based machine learning platform, compared to…
- Trial name
- NCT07553117
- Testing
- Accexible
- Where
- Colombia
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- Accexible
Tuberculosis, Psoriasis
Sensitivity and Specificity of QuantiFeron -TB Gold Test (QFT-G)in Patients With Psoriasis
The purpose of this study is to determine the level of agreement between QuantiFeron -TB Gold test (QFT-G)and Tubeculin skin test (TST)for screening of latent tuberculosis in patients suffering from psoriasis.
- Trial name
- NCT01223976
- Testing
- Tuberculin skin test and Quantiferon -TB Gold test
- Where
- Israel
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Tel-Aviv Sourasky Medical Center
Syphilis Infection, Syphilis
Evaluation of the Sensitivity, Specificity, and Utility of the Reveal® TP (Syphilis) Antibody POCT
This study is to test the Reveal® TP (Syphilis) antibody POCT (MedMira, Inc., Halifax, Nova Scotia) for its performance in an urban STI clinic in Vancouver, British Columbia and compare its performance in parallel with the usual…
- Conditions
- Syphilis Infection, Syphilis, Early Syphilis, Symptomatic
- Trial name
- NCT05831098
- Testing
- Reveal TP (Syphilis) Antibody Test
- Where
- Canada
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- MedMira Laboratories Inc.
Tuberculosis
Specificity Trial of the Recombinant Tuberculosis Allergen in BCG Vaccinated Healthy Volunteers
The aim of this study is to test the recombinant tuberculosis skin test in the previously BCG vaccinated healthy adults with low risk of TB development, to determine the test specificity.
- Trial name
- NCT05203068
- Testing
- Recombinant tuberculosis allergen (RTA)
- Where
- Russia
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases
Allergy, Hypersensitivity, Immediate
Head-to-Head Comparison Study Between Different FDA Registered Allergy Skin Test Applicators
This clinical study, titled "Head-to-Head Comparison Study between Different FDA Registered Allergy Skin Test Applicators," aims to compare the reliability and clinical performance of three skin prick test (SPT) devices…
- Conditions
- Allergy, Hypersensitivity, Immediate, Ig-E Mediated Food
- Trial name
- NCT07400718
- Testing
- AllerTest-10 Multi-Head Skin Test Device, Skintestor OMNI Multi-Head Skin Test Device, Multi-Test II Multi-Head Skin Test Device
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- QHSLab, Inc.
Lung Cancer, Breast Cancer
Non Invasive Detection of Lung and Breast Cancer by Odor Signature
The investigators have developed an early detection solution for lung and breast cancer. A system which can distinguish between different medical odors based on biosensors.
- Trial name
- NCT02195076
- Testing
- non-invasive detection of cancer odor
- Where
- Israel
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- BioSense Medical LTD
Mild Dysplasia of Esophagus, Moderate Dysplasia of Esophagus
Performance of White Light, NBI and Iodine Staining Endoscopy in the Diagnosis of Esophageal Lesions
The investigators aim to evaluate the performance of Narrow Band Imaging (NBI) endoscopy in Esophageal Squamous Cell Carcinoma (ESCC) screening, as compared to the currently used White Light Endoscopy (WLE) and Lugol's Iodine…
- Conditions
- Mild Dysplasia of Esophagus, Moderate Dysplasia of Esophagus, Severe Dysplasia of Esophagus, Carcinoma in Situ of Esophagus
- Trial name
- NCT04170257
- Testing
- Endoscopic examination using white light, NBI and iodine staining
- Where
- 5 sites in China
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Peking University Cancer Hospital & Institute
Allergy, Allergic Asthma
abioSCOPE IgE Assay to Aid in the Diagnosis of Allergies
This is a multicenter, prospective, observational study designed to determine the clinical sensitivity and specificity of the Abionic IVD CAPSULE Allergic Asthma panel performed on Abionic's abioSCOPE device using K3-EDTA…
- Conditions
- Allergy, Allergic Asthma, Allergy to Cats, Allergy to House Dust
- Trial name
- NCT04442932
- Testing
- Blood Collection
- Where
- 5 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Abionic SA
Blood Pressure
Validation of Pulse Waveform Analysis-based Continuous Noninvasive Blood Pressure Measurement Sensor
The study aims to define the sensitivity and specificity of a novel continuous noninvasive blood pressure monitor.
- Trial name
- NCT02357511
- Testing
- Study Monitor used
- Where
- Finland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Tampere University Hospital
Phobia, Social
Dysfunctional Attention Processes in Fear of Blushing: Specificity and Changeability
Blushing is associated with a heightened self-focused attention. In our study we are interested if this self-focused attention can be shown experimentally and if it can be changed by therapy and training.
- Trial name
- NCT00751465
- Testing
- Task Concentration Training, Standard CBT
- Where
- Germany
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Technische Universität Dresden
Human African Trypanosomiasis, Sleeping Sickness
Prospective Evaluation of the Specificity of Serological Tests for Human African Trypanosomiasis
This study evaluates and compares the diagnostic specificity of 5 serological field tests for screening of the population at risk for human African trypanosomiasis due to Trypanosoma brucei gambiense.
- Conditions
- Human African Trypanosomiasis, Sleeping Sickness, Trypanosoma Brucei Gambiense; Infection, West African Sleeping Sickness
- Trial name
- SpeSerTryp (NCT05466630)
- Testing
- Serological field test for HAT, malaria rapid test, Immunologic laboratory tests
- Where
- 2 sites in Côte d’Ivoire, Guinea
- Volunteers
- 1,095 people, healthy volunteers welcome
- Sponsor
- Institut de Recherche pour le Developpement
Real HD-tDCS, Sham HD-tDCS
Determining the Specificity of High Definition Electrical Brain Stimulation Using Simultaneous Magnetoencephalography
Non-invasive human brain stimulation using weak transcranial direct-current stimulation (tDCS) has been thousands of times in research studies over the past fifteen years as a therapy to help improve the effectiveness of repeated…
- Conditions
- Real HD-tDCS, Sham HD-tDCS, Visual Task, Motor Task
- Trial name
- NCT02060708
- Testing
- HD-tDCS
- Where
- Canada
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children