Number Of Published Cancer Studies That Can't Be Reproduced Is Shockingly High / Survey on Data Reproducibility in Cancer Research

[popsci / 20.05.2013] In an anonymous survey taken by scientists at a prestigious cancer center, more than half of the respondents said they'd failed to reproduce published scientific findings at least one time.
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[plosone / 15.05.2013] A Survey on Data Reproducibility in Cancer Research Provides Insights into Our Limited Ability to Translate Findings from the Laboratory to the Clinic

Results
In our survey of faculty and trainees at the MD Anderson Cancer Center, we found several significant findings that provided insight about data reproducibility, even though the response rate, represented less than 20% of those queried (overall response rate of 14.75% (171/1159) for trainees and 17.16% (263/1533) for faculty). When asked if investigators had ever tried to reproduce a finding from a published paper and not been able to do so, 54.6% (237/434) of all survey respondents said that they had, with 58.5% (154/263) of faculty having experienced the inability to reproduce data, and 48.5% (83/171) of trainees having the same experience (Table 1). Of note, some of the non-repeatable data were published in well-known and respected journals including several high impact journals (impact factor >20).
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