Publication date: Available online 9 February 2017
Source:Seminars in Oncology
Author(s): Eric Lu, Joseph Shatzel, Florence Shin, Vinay Prasad
PurposeThe phrase "unmet medical need" has important regulatory implications, but there is no empirical analysis of its real world usage. We sought to determine the annual US incidence, 5-year survival, and number of National Comprehensive Cancer Network (NCCN) recommended regimens for indications described in the literature as an "unmet medical need."MethodsWe queried Google Scholar to identify publications where authors used the phrase "unmet medical need" to refer to a specific cancer indication. For each indication, we investigated the annual US incidence, 5-year survival, and number of NCCN recommended regimens.ResultsWe identified 237 cancer indications considered by authors an "unmet medical need." The term was found most frequently appended to breast cancer indications comprising 30 of the 237 citations (12.7%). This was followed by lung 24/237 (10.1%), hepatocellular 18/237 (7.6%), and prostate cancer 13/237 (5.4%). In fifty-five out of 237 (23.2%) instances where an indication was described by the authors as an unmet medical need, the incidence was 1000 cases a year, there were five regimens recommended by NCCN, and there was a 50% or greater 5 year survival. Forty-three out of 237 (18.1%) indications had at least an incidence of 10,000 cases a year, 10 recommended regimens, and a 50% 5-year survival.Conclusion"Unmet medical need" has been used to describe cancer indications that are rare, have few options and poor survival outcomes. However the term has also been used to describe indications that occur commonly, has many treatment alternatives and are clinically indolent with more encouraging expectations for survival. Some standardization is needed.
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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,
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Πέμπτη 9 Φεβρουαρίου 2017
What constitutes an “unmet medical need” in oncology? An empirical evaluation of author usage in the biomedical literature
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