Table 5.

Knowledge gaps.

Current knowledge gaps
Do cherries have complementary effects when combined with allopurinol or febuxostat?
At what dose do the various cherry products (juice, concentrate, extract) provide the most benefit in treating gout?
At what dose do cherries or their contents compare with the available NSAIDs?
Which cherry components (anthocyanins or quercetin) have beneficial effects on gout?
Is there a dose at which cherries or cherry products have a detrimental effect?
Which gout subpopulation can best benefit from the use of cherries, or cherry products?
At what dose are cherries, cherry products, or their contents comparable to allopurinol and febuxostat?

NSAIDs, nonsteroidal anti-inflammatory drugs.