Is the priority review voucher program stimulating new drug development for tropical diseases?

PLoS Negl Trop Dis · 2018 · PMC6103519 · PMID 30092022

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only marginally significantno p-value reported

The results indicated that the PRV program had a positive and statistically significant impact on the development of drugs for less common tropical diseases, but an only marginally significant impact on the number of malaria and tuberculosis development programs.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.