Letter to Pharmacy about MBT Shoes
Sorry for not making a post last week, but I was on vacation with my family (who am I apologizing to? I don't have any regular readers). So, here's a short post to make up for not having one last week, and I'll try to write up something else before the end of the week.
Actually, this is just quick follow up to the post about Massai Barefoot Technology Shoes. I mentioned in the beginning of that post that it was in a pharmacy where I originally saw those shoes. To be exact, the pharmacy was Harvest Drug & Gift. I'd already intended contacting them about the shoes before visiting their website, but once I did actually visit the site this past Monday, I saw just how prominently they were displaying MBT shoes. So, I sat myself right down and wrote them an e-mail, copied below.
I recently visited your store and saw the MBT shoes you had on display. They piqued my interest, so I did a little research about them. Admittedly, I'm neither a doctor nor a scientist, but from the information I could find, I did have some concerns regarding these shoes. I would assume that as doctors, your primary concern is the well being of your patients, so I thought you might be interested in what I found.
I have a detailed write-up of what I found on my personal website at:
[link - I included the actual url in the letter, but it's so long it screws up the formatting on this page.]
Here are the major points:
- MBT shoes do show promise, but the studies to date have only been preliminary - more follow up studies are needed to confirm their efficacy.
- There haven't been enough clinical studies done with these shoes to identify possible negative side effects.
- Anecdotal evidence suggests that there are serious side effects possible from long term use of these shoes.
- One study which examined relieving knee pain in patients with knee osteoarthritis did not find a big difference between MBT shoes and "conventional" New Balance sneakers.
In light of the anecdotal evidence suggesting negative side effects, the lack of clinical studies addressing the issue, and considering that at least one study found significantly less expensive shoes accomplishing nearly the same results, I would suggest being very cautious in recommending these shoes to your customers, and possibly even recommending that they only use the shoes under the guidance of a physician or physical therapist (as was suggested by one therapist quoted in one of the articles I found). Perhaps you already do counsel your customers in such a way, or do have some warning signs posted that I missed, in which case this e-mail is completely unnecessary. Or perhaps you know of some studies which do address side effects, in which case I'd be grateful if you could pass them on to me so that I could update the article on my website.
If I hear anything back from the pharmacy, I'll post it on this blog. But seeing as how it's been a couple days already without even an acknowledgement of receipt, I'm not holding my breath. Maybe I'll try snail mail if I don't hear back from them within a couple weeks.
Added 2009-07-08 I realize that I mentioned my original MBT post at the beginning of this entry, but I just want to be sure that readers don't miss it. It contains a much more in depth look at the shoes, and has generated a good discussion in the comments section::
A Skeptical Look at Masai Barefoot Technology Shoes