The Long-run Impact of New Medical Ideas on Cancer Survival and Mortality / Frank R. Lichtenberg.

By:

Lichtenberg, Frank R

Contributor(s):

National Bureau of Economic Research

Material type: Text

TextSeries: Working Paper Series (National Bureau of Economic Research) ; no. w25328.Publication details: Cambridge, Mass. National Bureau of Economic Research 2018.Description: 1 online resource: illustrations (black and white)Subject(s):

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Abstract: I investigate whether the types of cancer (breast, colon, lung, etc.) subject to greater penetration of new ideas had larger subsequent survival gains and mortality reductions, controlling for changing incidence. I use the MEDLINE/PubMED database, which contains more than 23 million references to journal articles published in 5400 leading biomedical journals, to construct longitudinal measures of the penetration of new medical ideas.Abstract: The 5-year survival rate is strongly positively related to the novelty of ideas in articles published 12-24 years earlier. This finding is consistent with evidence from case studies that it takes a long time for research evidence to reach clinical practice. The estimates suggest that about 70% of the 1994-2008 increase in the 5-year observed survival rate for all cancer sites combined may have been due to the increase in the novelty of medical ideas 12-24 years earlier.Abstract: The number of years of potential life lost from cancer before ages 80 and 70 are inversely related to the novelty of ideas in articles published 12-24 years earlier, conditional on incidence. The increase in medical idea novelty was estimated to have caused a 38% decline in the premature (before age 80) cancer mortality rate 12-24 years later.

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Item type	Home library	Collection	Call number	Status	Date due	Barcode	Item holds
Working Paper	Biblioteca Digital	Colección NBER	nber w25328 (Browse shelf(Opens below))	Not For Loan

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December 2018.

I investigate whether the types of cancer (breast, colon, lung, etc.) subject to greater penetration of new ideas had larger subsequent survival gains and mortality reductions, controlling for changing incidence. I use the MEDLINE/PubMED database, which contains more than 23 million references to journal articles published in 5400 leading biomedical journals, to construct longitudinal measures of the penetration of new medical ideas.

The 5-year survival rate is strongly positively related to the novelty of ideas in articles published 12-24 years earlier. This finding is consistent with evidence from case studies that it takes a long time for research evidence to reach clinical practice. The estimates suggest that about 70% of the 1994-2008 increase in the 5-year observed survival rate for all cancer sites combined may have been due to the increase in the novelty of medical ideas 12-24 years earlier.

The number of years of potential life lost from cancer before ages 80 and 70 are inversely related to the novelty of ideas in articles published 12-24 years earlier, conditional on incidence. The increase in medical idea novelty was estimated to have caused a 38% decline in the premature (before age 80) cancer mortality rate 12-24 years later.