BMC infectious diseases · 2025
Tuberculosis disease characteristics associated with mortality, severe morbidity and unsuccessful treatment in people living with HIV treated for tuberculosis - a secondary analysis of the ANRS 12300 Reflate TB2 trial.
СтатьяРандомизированное исследованиеКлиническое исследование III фазыНазвание и аннотация: Перевод в очереди
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Akpata Robert, Ntakpe Jean-Baptiste, Messou Eugène, De Castro Nathalie, Chazallon Corine, Timana Isabel, Escada Rodrigo, Cardoso Sandra Wagner, Bhatt Nilesh, Khosa Celso, Laureillard Didier, Do Chau Giang, Nogbou Frédéric Ello, Glao Donald Diomande, Veloso Valdilea, Molina Jean-Michel, Grinsztejn Beatriz, Zannou Marcel, Eholie Serge, Marcy Olivier, ANRS 12300 Reflate TB2 study Consortium
Аннотация
BACKGROUND: Tuberculosis is a severe disease, not only due to its lethality but also to a significant morbidity occurring in people living with HIV (PLWH). If factors associated to mortality, severe morbidity and unsuccessful treatment related to the host are well identified in PLWH, there is scarce knowledge on factors related to the disease itself such as bacillary load, extent of lung involvement and disease dissemination to other organs. We sought to assess whether tuberculosis-related factors were associated with key patient outcomes in PLWH using data from an international clinical trial.
METHODS: We conducted a secondary analysis of the ANRS 12300 Reflate TB2, an international phase III open-label randomized trial that assessed different antiretroviral regimens in PLWH treated for tuberculosis. We evaluated whether bacillary load (smear positivity grade), extent of lung involvement (cavitation on chest x-ray) and disease dissemination (urine LAM positivity) were associated with mortality using Cox proportional hazard models, and to severe morbidity and unsuccessful tuberculosis treatment using logistic regressions.
RESULTS: Of 457 participants included in this study, 90 (20.4%) had grade 2 + or 3 + smear positivity, 39 (10.8%) had cavitation on chest X-ray, and 147 (32.2%) had a positive urinary LAM. Overall, 19 (4.2%) participants died, 113 (24.7%) presented severe morbidity, and 33 (7.2%) had unsuccessful tuberculosis treatment. Factors that remained independently associated with mortality were cavitation on chest x-ray (aHR = 7.92, 95% CI, 1.74-35.94, p = .0073) and LAM positivity (aHR = 5.53, 95% CI, 1.09-28.06, p = .0389). The only factor that remained significantly associated with severe morbidity was LAM positivity (aOR = 2.04, 95% CI, 1.06-3.92, p = .0323). No factor remained significantly associated with unsuccessful tuberculosis treatment.
CONCLUSIONS: In PLWH with tuberculosis enrolled in a trial, tuberculosis disease characteristics related to disease severity were cavitation on chest x-ray and urine LAM positivity. Early identification of these factors could help improve the management of PLWH with tuberculosis and improve their survival.
METHODS: We conducted a secondary analysis of the ANRS 12300 Reflate TB2, an international phase III open-label randomized trial that assessed different antiretroviral regimens in PLWH treated for tuberculosis. We evaluated whether bacillary load (smear positivity grade), extent of lung involvement (cavitation on chest x-ray) and disease dissemination (urine LAM positivity) were associated with mortality using Cox proportional hazard models, and to severe morbidity and unsuccessful tuberculosis treatment using logistic regressions.
RESULTS: Of 457 participants included in this study, 90 (20.4%) had grade 2 + or 3 + smear positivity, 39 (10.8%) had cavitation on chest X-ray, and 147 (32.2%) had a positive urinary LAM. Overall, 19 (4.2%) participants died, 113 (24.7%) presented severe morbidity, and 33 (7.2%) had unsuccessful tuberculosis treatment. Factors that remained independently associated with mortality were cavitation on chest x-ray (aHR = 7.92, 95% CI, 1.74-35.94, p = .0073) and LAM positivity (aHR = 5.53, 95% CI, 1.09-28.06, p = .0389). The only factor that remained significantly associated with severe morbidity was LAM positivity (aOR = 2.04, 95% CI, 1.06-3.92, p = .0323). No factor remained significantly associated with unsuccessful tuberculosis treatment.
CONCLUSIONS: In PLWH with tuberculosis enrolled in a trial, tuberculosis disease characteristics related to disease severity were cavitation on chest x-ray and urine LAM positivity. Early identification of these factors could help improve the management of PLWH with tuberculosis and improve their survival.