On 2013 Sep 26, Carl Heneghan commented:

We wrote about all sorts of sports intervention in the BMJ last year and bare foot running was one of the interventions we looked. The evidence underpinning sports performance products: a systematic assessment.

Heneghan C, Howick J, O'Neill B, Gill PJ, Lasserson DS, Cohen D, Davis R, Ward A, Smith A, Jones G, Thompson M. BMJ Open. 2012 Jul 18;2(4). doi:pii: e001702. 10.1136/bmjopen-2012-001702. Print 2012. PMID: 22815461

Seems whilst there is lots of biomechanical evidence, as pointed out in the article, there is no actual clinical performance evidence that could aid the decision as to whether to use these shoes.

On 2013 Sep 26, Carl Heneghan commented:

We wrote about all sorts of sports intervention in the BMJ last year and bare foot running was one of the interventions we looked. The evidence underpinning sports performance products: a systematic assessment.

Heneghan C, Howick J, O'Neill B, Gill PJ, Lasserson DS, Cohen D, Davis R, Ward A, Smith A, Jones G, Thompson M. BMJ Open. 2012 Jul 18;2(4). doi:pii: e001702. 10.1136/bmjopen-2012-001702. Print 2012. PMID: 22815461

Seems whilst there is lots of biomechanical evidence, as pointed out in the article, there is no actual clinical performance evidence that could aid the decision as to whether to use these shoes.