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Eroom's law
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English
Etymology
From en Moore's law with en Moore spelled backwards, coined in a 2012 paper.Jack W. Scannell Alex Blanckley Helen Boldon Brian Warrington Diagnosing the decline in pharmaceutical R&D efficiency Nature Reviews. Drug Discovery 11 3 191–200 2012 22378269 10.1038/nrd3681
Proper noun
Eroom's law
en pharmacology The observation that drug discovery is becoming slower and more expensive over time, despite improvements in technology.
en 2014 Jeremy A. Greene Generic: The Unbranding of Modern Medicine JHU Press 9781421414935 https://books.google.de/books?id=9EUtBAAAQBAJ&lpg=PA271&dq=%22Eroom's%20law%22&pg=PA271#v=onepage&q=%22Eroom's%20law%22&f=false 271 Eroom's Law, in turn, observes that in the pharmaceutical sector the decline in innovation is itself constant: the yield of FDA-approved drugs per billion dollars spent has halved every nine years between 1950 and 2010.
en 2018 Mark Stevenson We Do Things Differently: The Outsiders Rebooting Our World Abrams 9781468315844 https://books.google.de/books?id=KTuEDwAAQBAJ&lpg=PT32&dq=%22Eroom's%20law%22&pg=PT32#v=onepage&q=%22Eroom's%20law%22&f=false With a touch of wry humour, the authors dubbed this phenomenon Eroom's law, the reverse spelling of Moore's Law – the famous law of computing that expresses the doubling of processing power per dollar every two years
en 2025-12-10 Teslo Ruxandra A manifesto for reviving biopharma productivity. When it comes to Eroom's Law, some of the most important problems are the boring ones Ruxandra's Substack https://www.writingruxandrabio.com/p/a-manifesto-for-reviving-biopharma I first encountered Eroom's Law, the observation that biopharma productivity, measured as new drugs approved per billion dollars of R&D spending, has been steadily declining since the 1960s, halfway through my PhD. The fact that I completed a supposedly world-class undergraduate biology degree without ever hearing about this concept, and then spent another two years in a PhD program before discovering it, now feels damning. If anything deserves a place in Biology 101, it's the recognition that our ability to turn biological insight into effective medicines has been deteriorating for decades. Over time, I became somewhat obsessed with this problem. I also discovered that most biologists aren't. That lack of engagement, I think, fuels a kind of magical thinking: the belief that simply doing “more and better science” will reverse the productivity decline. But we have had more and “better” science for decades. Clearly, we need to start thinking about this differently. Earlier this year, I learned that Jack Scannell, who coined Eroom's Law, is similarly frustrated with the endless list of fashionable “solutions” that hand-wave past these fundamental problems. Since he has written at length about how to think about predictive validity, we ended up focusing on the importance of improving clinical trials https://web.archive.org/web/20260826093914/https://www.writingruxandrabio.com/p/a-manifesto-for-reviving-biopharma 26 August 2026
References
Further reading
Anagrams
en aelmoorsw Moore's Law Moore's law
en terms derived from backwards spelling