ReviewThe Lancet. Microbe2026
Controlled human infection with Mycobacterium tuberculosis: practical considerations for clinical trials.
Review in The Lancet. Microbe, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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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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0 citing papers in PubMed.
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Authors and funding
13 authors.
Funding
Abstract
Controlled human infection models (CHIMs) can accelerate vaccine development for infectious diseases. Mycobacterium tuberculosis is a human-adapted pathogen that is the leading infectious cause of death worldwide. M tuberculosis infection results in a spectrum of clinical outcomes that are incompletely modelled in animals. To date, the risks of infection, prolonged treatment, and sequelae related to CHIMs with M tuberculosis have been considered ethically unacceptable. However, recent advances in bacterial engineering have resulted in safe strains that could permit M tuberculosis CHIM studies with reduced risks. In this Personal View, we address the practical considerations for conducting a pulmonary M tuberculosis CHIM study. We summarise the ethical issues of M tuberculosis CHIM studies in tuberculosis-endemic and non-endemic settings; describe safety considerations, such as optimising the challenge dose and minimising risks to third parties; and outline and prioritise clinical, microbiological, immunological, and radiological endpoints that would render such a model useful for vaccine development.
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