Trial reportThe Lancet. Infectious diseases2026
Expanding Xpert MTB/RIF Ultra and lateral flow urine lipoarabinomannan testing for diagnosis of tuberculosis among adults living with HIV admitted to hospitals in Tanzania and Mozambique (EXULTANT): a randomised controlled trial.
Trial report in The Lancet. Infectious diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04568967 (Expanding Xpert Ultra Testing for TB Diagnosis Among HIV-positive Patients Admitted to Hospital in Africa), which is not on this map. Not yet cited in PubMed.
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The trial behind it
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Expanding Xpert Ultra Testing for TB Diagnosis Among HIV-positive Patients Admitted to Hospital in Africa
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Authors and funding
32 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTuberculosis is the main cause of death among hospitalised people living with HIV. Non-sputum-based diagnostics could improve patient outcomes. The EXULTANT trial aims to evaluate an expanded tuberculosis screening strategy among people with HIV in two African countries with a high tuberculosis and HIV burden.
methodsThis pragmatic, individually randomised controlled superiority trial was conducted across 11 hospitals in Tanzania and Mozambique. We consecutively enrolled adults living with HIV (aged ≥18 years) without an existing tuberculosis diagnosis or recent tuberculosis treatment, within 24 h of admission. The intervention group underwent Xpert MTB/RIF Ultra (Xpert Ultra) testing from sputum, stool, and urine, plus lateral flow urine lipoarabinomannan (LF-LAM) testing (Determine TB LAM Ag assay), irrespective of symptoms. The control group followed standard-of-care, symptom-based, WHO-recommended sputum Xpert Ultra and LF-LAM testing. The primary endpoint was the proportion of participants with microbiologically confirmed tuberculosis starting treatment within 72 h. Secondary endpoints included 8-week all-cause mortality and time to tuberculosis diagnosis. The trial is registered at ClinicalTrials.gov (NCT04568967) and is completed.
findingsFrom Sept 25, 2022, to March 15, 2024, we screened 1534 participants, and randomly assigned 1172 (76·6%) to either the intervention group (n=582) or the control group (n=590). At admission, 715 participants (61·0%) were female, 845 (75·4%) were on antiretroviral therapy (ART), and median CD4 count was 232 cells per μL (IQR 87-490). In the control group, 505 (85·6%) had tuberculosis-compatible symptoms and were eligible for sputum Xpert Ultra testing (306 of them [60·6%] provided a sample) and 538 (91·2%) met WHO criteria for LF-LAM testing. In the intention-to-treat analysis, 93 (16·0%) of 582 participants in the intervention group and 90 (15·3%) of 590 in the control group had microbiologically confirmed tuberculosis and started treatment within 72 h (difference 0·7%, 95% CI -3·4 to 4·8, p=0·73). 8-week all-cause mortality was 25·8% (150 of 582) in the intervention group and 28·8% (170 of 590) in the control group (hazard ratio 0·86, 95% CI 0·69 to 1·07, p=0·18). Median time to tuberculosis treatment initiation was 0·98 days (IQR 0·83-1·92) and 0·92 days (0·79-1·86) in the intervention and control groups, respectively (hazard ratio 1·05, 95% CI 0·82 to 1·33, p=0·72).
interpretationAn expanded screening strategy among people living with HIV admitted to hospital did not increase the proportion of individuals with microbiologically confirmed tuberculosis starting treatment or reduce 8-week mortality.
fundingEDCTP2 programme, supported by the EU.
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