R&D Insight

FDA analysis of 40-years of antibacterial development: Dheman et al.

Dear All (and with thanks to Kevin Outterson for co-authoring this newsletter), Just out in CID is a paper in which FDA analyzes trends in antibacterial development from 1980-2019. To fully appreciate this paper, you need to look both at it and three other papers: FDA’s paper (https://doi.org/10.1093/cid/ciaa859): Dheman N, Mahoney N, Cox EM, Farley

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Stewardship & Access Guide from CARB-X, Wellcome, and partners: Analysis, video chat

Dear All, Novel antibacterial agents, vaccines, and diagnostics will do little if they are not widely available and used responsibly. CDDEP’s recent report entitled “The State of the World’s Antibiotics in 2021” makes this very clear: “… more people in LMICs (low-middle-income countries) die from lack of access to antimicrobials than from resistant infection.” Hence, CARB-X has

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Impact of PASTEUR: 9.9m lives saved, ROI of 125:1

Dear All (and with thanks to Kevin Outterson for being lead author on this newsletter), (wonkish alert on this one … refresh your coffee and dig in!) Bonnifield and Towse of the Center for Global Development have released a blog post and a paper estimating the potential impact of the PASTEUR Act. Here’s what you need:

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Antibacterial R&D is very hard! Two great pipeline reviews + an Industry-level view

Dear All (and with thanks to Stephan Harbarth for co-authoring this newsletter), A new review by Ursula Theuretzbacher and colleagues from GARDP provides an opportunity to (i) discuss the preclinical antibacterial pipeline (the new paper), (ii) remind you of a recent review of the Gram-negative clinical pipeline, and (iii) share an excellent Industry-level perspective on

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The threat of mirror bacteria: Ongoing conversations (2025 wrap-up)

Dear All, Regular readers will be aware of the global conversation now happening around the threat arising from the potential to create viable organisms that are (at a molecular level) the mirror images of existing organisms. If this is new to you (or, if you’d like a refresh), here are the links you need: 18

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Mirror Bacteria: An AMR threat of unprecedented magnitude

Dear All (wonkish but stick with it … I’m going to try very hard to de-wonk it; addendum: see also the follow-up newsletters, most recently on 22 Dec 2025), In an absolutely terrifying paper and technical report in today’s issue of Science, we are introduced in detail to the concept of “mirror” bacteria in which

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The threat of mirror bacteria: Ongoing conversations (July 2025)

Dear All (addendum: see also the 22 Dec 2025 follow-up newsletter), I wrote in a 12 Dec 2024 newsletter (“Mirror Bacteria: An AMR threat of unprecedented magnitude”) about the really disturbing possible threat from creation of “mirror” bacteria in which all chiral elements of the bacterium are replaced by their enantiomeric counterparts. Such bacteria are predicted to

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Natural product-inspired antibiotics: 1943-2025

Dear All, In a paper that is clearly a labor of love (1,032 references!), Mark Butler and Robert Capon have summarized the history of 217 natural product-inspired antibiotics across 16 classes from penicillin to fidaxomicin! Here are the links you need: Butler MS, Capon RJ. Natural product inspired antibiotics approved for human use – 1943

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48,015 → 0: Antibacterial discovery is hard. Really, really hard.

Dear All (and with thanks to Patricia Bradford for co-authoring this newsletter), When you are seeking novelty, antibacterial discovery is hard … really, really, REALLY hard. And it gets even harder if you want activity vs. Gram-negative bacteria. As the latest proof of this, a paper from GARDP’s Blasco et al. describing use of an

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