Probiotics are used by a large number of people. I know there is research on their efficacy, but have any studied reached what would reasonably be considered a phase III clinical trial?

  • Testing for efficacy in what? Oct 31 '17 at 22:14
  • Any of their purported benefits. Anything. Are there any phase III clinical trials showing probiotics are useful at treating something? Nov 1 '17 at 13:06
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    If Graham's comment was useful to you, please edit your question to include this clarifying/added detail to your question. Comments are volatile and may disappear at any time. Nov 1 '17 at 19:40

You can search on the clinical trials website to find most of the trials conducted with probiotics.

Eg. https://clinicaltrials.gov/ct2/results?intr=%22Lactobacillus%22 gives currently 589 results, some of which are described as phase 3 studies. You can change the search term to acidophilus or whatever you're interested in.

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