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Kawatsu L, Uchimura K, Schwalb A, Houben R. New perspectives on the secular trend in pulmonary TB in post-war Japan (1953-1980). Int J Tuberc Lung Dis 2024; 28:207-209. [PMID: 38563337 DOI: 10.5588/ijtld.23.0405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024] Open
Affiliation(s)
| | - K Uchimura
- Research Institute of Tuberculosis, Japan Anti-tuberculosis Association, Japan
| | - A Schwalb
- TB Modelling Group, TB Centre, London School of Hygiene & Tropical Medicine (LSHTM), London, UK
| | - R Houben
- Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
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Affiliation(s)
- A Schwalb
- TB Modelling Group, TB Centre, London School of Hygiene & Tropical Medicine, London, UK, Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, UK, Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - J C Emery
- TB Modelling Group, TB Centre, London School of Hygiene & Tropical Medicine, London, UK, Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, UK
| | - R M G J Houben
- TB Modelling Group, TB Centre, London School of Hygiene & Tropical Medicine, London, UK, Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, UK
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Schwalb A, Cachay R, Wright A, Phillips PPJ, Kaur P, Diacon AH, Ugarte-Gil C, Mitnick CD, Sterling TR, Gotuzzo E, Horsburgh CR. Factors associated with screening failure and study withdrawal in multidrug-resistant TB. Int J Tuberc Lung Dis 2022; 26:820-825. [PMID: 35996282 DOI: 10.5588/ijtld.21.0729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
SETTING: Multidrug-resistant TB (MDR-TB) clinical trial in Lima, Peru and Cape Town, South Africa.OBJECTIVE: To identify baseline factors associated with screening failure and study withdrawal in an MDR-TB clinical trial.DESIGN: We screened patients for a randomized, blinded, Phase II trial which assessed culture conversion over the first 6 months of treatment with varying doses of levofloxacin plus an optimized background regimen (ClinicalTrials.gov: NCT01918397). We identified factors for screening failure and study withdrawal using Poisson regression to calculate prevalence ratios and Cox proportional hazard regression to calculate hazard ratios. We adjusted for factors with P < 0.2.RESULTS: Of the 255 patients screened, 144 (56.5%) failed screening. The most common reason for screening failure was an unsuitable resistance profile on sputum-based molecular susceptibility testing (n = 105, 72.9%). No significant baseline predictors of screening failure were identified in the multivariable model. Of the 111 who were enrolled, 33 (30%) failed to complete treatment, mostly for non-adherence and consent withdrawal. No baseline factors predicted study withdrawal in the multivariable model.CONCLUSION: No baseline factors were independently associated with either screening failure or study withdrawal in this secondary analysis of a MDR-TB clinical trial.
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Affiliation(s)
- A Schwalb
- Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - R Cachay
- Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - A Wright
- Vanderbilt University Medical Center, Vanderbilt Tuberculosis Center, Nashville, TN, USA
| | - P P J Phillips
- University of California San Francisco Center for Tuberculosis, San Francisco, CA, USA
| | - P Kaur
- Boston University, Departments of Epidemiology, Biostatistics, Global Health and Medicine, Boston, MA, USA
| | - A H Diacon
- TASK Applied Science and Stellenbosch University, Cape Town, South Africa
| | - C Ugarte-Gil
- Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - C D Mitnick
- School of Medicine, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - T R Sterling
- Vanderbilt University Medical Center, Vanderbilt Tuberculosis Center, Nashville, TN, USA
| | - E Gotuzzo
- Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - C R Horsburgh
- Boston University, Departments of Epidemiology, Biostatistics, Global Health and Medicine, Boston, MA, USA
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