Just wanted to post this as a warning to those who might be considering it:

Patients Lose Sight After Stem Cells Are Injected Into Their Eyes

https://www.nytimes.com/2017/03/15/health/eyes-stem-cells-injections.html

Although it may not be the eyes, however the article says in general that stem cell therapy is a hoax with no clinical data of effectiveness.
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Male, early 30s. AS diagnosed Sep 2015. HLAB27+
Current medicines: Omeprazole, Vit D3, Celecoxib(1 tab)/Zorvolex(2 tabs)(alternatimg between these two every week), Pyridoxine, Isoniazid, MTX(3 tab) every wednesday, on humira every two weeks since Dec 2015, Weekly Humira since June 18th 2016
On cosentyx 300mg a month since Dec '16