ArticlePloS one2023
Reversions of QuantiFERON-TB Gold Plus in tuberculosis contact investigation: A prospective multicentre cohort study.
Article in PloS one, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 3 citations in OpenAlex.
- QuantiFERON-TB Gold Plus Conversion Among Healthcare Workers: A Retrospective Cohort Study on Occupational and Metabolic Factors.Healthcare (Basel, Switzerland) · 2026Article
- A detailed analysis of borderline results in the QuantiFERON-TB Gold-Plus assay incorporating longitudinal follow-up: intermediate-burden setting.Microbiology spectrum · 2026Article
- Low TB1 and TB2 antigen-nil is associated with increased QuantiFERON Gold Plus reversions.The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease · 2026Article
- Longitudinal dynamics and treatment-associated determinants of interferon-gamma responses in tuberculosis: a 10-year retrospective QuantiFERON-TB Gold study.Frontiers in cellular and infection microbiology · 2026Article
- Overlooked, dismissed, and downplayed: reversion ofEuropean respiratory review : an official journal of the European Respiratory Society · 2024Review
- QuantiFERON-TB reversion in children and adolescents with tuberculosis.Frontiers in immunology · 2024Article
Corrections and comments
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Authors and funding
20 authors at 9 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundInterferon-y Release Assays (IGRA) reversions have been reported in different clinical scenarios for the diagnosis of tuberculosis (TB) infection. This study aimed to determine the rate of QuantiFERON-TB Gold Plus (QFT-Plus) reversions during contact investigation as a potential strategy to reduce the number of preventive treatments.
methodsProspective, multicentre cohort study of immunocompetent adult contacts of patients with pulmonary TB tested with QFT-Plus. Contacts with an initial positive QFT-Plus (QFT-i) underwent a second test within 4 weeks (QFT-1), and if negative, underwent a repeat test 4 weeks later (QFT-2). Based on the QFT-2 result, we classified cases as sustained reversion if they remained negative and as temporary reversion if they turned positive.
resultsWe included 415 contacts, of whom 96 (23.1%) had an initial positive test (QFT-i). Following this, 10 had negative QFT-1 results and 4 (4.2%) of these persisted with a negative result in the QFT-2 (sustained reversions). All four sustained reversions occurred in contacts with IFN-γ concentrations between ≥0.35 and ≤0.99 IU•mL-1 in one or both QFT-i tubes.
conclusionIn this study, TB contact investigations rarely reveal QFT-Plus reversion. These results do not support retesting cases with an initial positive result to reduce the number of preventive treatments.
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