Runners World March 2013 have actually featured Osgood Schlatters. There is a clinically proven cure now called The Strickland Protocol. The 14 year old bot in the Runners World Article was cured during the third week of treatment.
Visit http://www.osgood-schlatter-disease.com/ or https://www.facebook.com/osgoodschlattersdisease and they will help you out. The Strickland Protocol cures Osgood Schlatters and clinical trials data is there on the site. Jenny Strickland Was lead physio at the olympics and knows her stuff. You can ask her a question on the facebook link. Good luck and I hope you are pain free soon
The Strickland Protocol has just been featured in Runners World but I think that is to treat kids and teenagers only, but you could ask Jenny Strickland on their facebook page