Results 1 to 10 of about 1,955,685 (146)

Comparison between the Interferon γ Release Assay—QuantiFERON Gold Plus (QFT-Plus)—and Tuberculin Skin Test (TST) in the Detection of Tuberculosis Infection in Immunocompromised Children [PDF]

Pulmonary Medicine, 2020
Background. Immunocompromised patients are at a higher risk of having latent tuberculosis infection (LTBI). QuantiFERON-TB Gold Plus (QFT-Plus) has been proven to perform effectively in LTBI detection among immunocompromised adults and can overcome the ...
Cory Primaturia, Lelani Reniarti, Heda M. N. Nataprawira   +2 more
doaj   +3 more sources

QFT-Plus: a plus in variability? – Evaluation of new generation IGRA in serial testing of students with a migration background in Germany [PDF]

Journal of Occupational Medicine and Toxicology, 2017
BackgroundCurrently available Interferon-gamma release assays (IGRAs) show a considerable variability in serial testing for latent tuberculosis infection (LTBI).This study offers first results for the new generation IGRA QuantiFERON-TB Gold Plus (QFT ...
Nienhaus A, A Nienhaus
exaly   +3 more sources

Comparing the diagnostic performance of QuantiFERON-TB Gold Plus with QFT-GIT, T-SPOT.TB and TST: a systematic review and meta-analysis

BMC Infectious Diseases, 2023
Background QuantiFERON-TB Gold Plus (QFT-Plus) is an important test that has emerged in recent years for detecting TB infection. We conducted a review to compare the sensitivity, specificity and positive rate of QFT-Plus with that of QuantiFERON-TB Gold ...
Yu Zhang, Guozhong Zhou, Wei Shi, Weili Shi, Meijun Hu, Defu Kong, Rong Long, Jian He, Nan Chen   +8 more
exaly   +3 more sources

Performance evaluation of the AFIAS IGRA-TB (IFN-gamma) test versus QuantiFERON®-TB gold plus (QFT®-Plus) ELISA in the Barrio Obrero hospital network, Asunción—Paraguay, 2025 [PDF]

Frontiers in Public Health
BackgroundTuberculosis infection affects an estimated one-quarter of the global population and represents a key target for TB elimination strategies.
Cynthia Céspedes, Cynthia Céspedes, Jessica Riveros, Jessica Riveros, Antonio Villalba, Sandra Gutierrez, Roxana Ocampo, Adán Godoy, Sarita Aguirre, Angélica Medina, Angélica Medina, Guillermo Sequera, Guillermo Sequera   +12 more
doaj   +3 more sources

QuantiFERON-TB Gold Plus CD8+ T cell responses in contacts with tuberculosis disease and recent tuberculosis infection [PDF]

Microbiology Spectrum
The QuantiFERON-TB Gold Plus (QFT-Plus) replaced the QuantiFERON-TB Gold in-tube (QFT-GIT) in 2016 to increase assay sensitivity, based on the role of Mycobacterium tuberculosis-specific CD8+ T cells in the host response to tuberculosis infection (TBI ...
Cynthia Bin-Eng Chee, KhinMar Kyi-Win, Shera Tan, Yee-Tang Wang   +3 more
doaj   +3 more sources

Characteristics of indeterminate QuantiFERON-TB Gold PLUS results in pediatric lupus nephritis at Beijing Children’s Hospital, 2023–2024 [PDF]

BMC Nephrology
Objectives Tuberculosis screening in pediatric lupus nephritis (LN) patients presents unique diagnostic challenges. This study aimed to analyze the frequency of indeterminate QuantiFERON-TB Gold Plus (QFT-Plus) results among children with LN and the ...
Yue Xi, Huiwen Zheng, Yonghong Wang, Yajie Guo, Jing Xiao, Feina Li, Hui Qi, Weiwei Jiao, Nan Zhou, Zhi Chen, Lin Sun   +10 more
doaj   +3 more sources

Comparison of QFT-Plus and QFT-GIT tests for diagnosis of M. tuberculosis infection in immunocompetent Korean subjects. [PDF]

J Thorac Dis, 2019
Background QFT-Plus is a recently developed next-generation QuantiFERON-TB Gold In-Tube (QFT-GIT) test. Unlike the QFT-GIT test, it includes a TB2 antigen tube with peptides that may stimulate CD8+ T cells. This study evaluated the diagnostic performance
Hong JY, Park SY, Kim A, Cho SN, Hur YG.
europepmc   +2 more sources

Characterization of QuantiFERON-TB-Plus Results in Patients with Tuberculosis Infection and Multiple Sclerosis [PDF]

Neurology International
Background: Disease-modifying drugs (DMDs) for multiple sclerosis (MS) slightly increase the risk of tuberculosis (TB) disease. The QuantiFERON-TB-Plus (QFT-Plus) test is approved for TB infection (TBI) screening.
Elisa Petruccioli, Luca Prosperini, Serena Ruggieri, Valentina Vanini, Andrea Salmi, Gilda Cuzzi, Simonetta Galgani, Shalom Haggiag, Carla Tortorella, Gabriella Parisi, Alfio D’Agostino, Gina Gualano, Fabrizio Palmieri, Claudio Gasperini, Delia Goletti   +14 more
doaj   +3 more sources

Factors associated with indeterminate QuantiFERON-TB Gold Plus Test results during the COVID-19 pandemic. [PDF]

PLoS ONE
ObjectiveIndeterminate QuantiFERON (QFT) results challenge clinical decision-making and often necessitate repeat testing. This study aimed to assess the prevalence of indeterminate QFT results and identify associated factors.MethodWe compared patients ...
Carla M Román-Montes, Karla M Tamez-Torres, Guillermo A Guaracha-Basañez, Alberto Ordinola-Navarro, Marco Antonio Ortiz-Bustamante, Sandra Rajme-López, Bernardo A Martínez-Guerra, Anabel Ordaz-Vázquez, José Sifuentes-Osornio, Alfredo Ponce-de-León, Fernanda González-Lara, Miriam Bobadilla-Del-Valle   +11 more
doaj   +3 more sources

TB antigen-based skin tests and QFT-Plus for Mycobacterium tuberculosis infection diagnosis in Brazilian healthcare workers: a cost-effectiveness analysis. [PDF]

Cad Saude Publica
This study aimed to analyze the cost-effectiveness of three tuberculosis (TB) antigen-based skin tests (TBST) (Diaskintest, C-TST, and Cy-TB) and QFT-Plus for TB infection diagnosis compared to the current standard of care, PPD Rt-23 tuberculin skin test
Souza FM, Steffen RE, Pinto MFT, Prado TND, Maciel ELN, Trajman A.   +5 more
europepmc   +2 more sources