Hi, there were a few things involved as I had 2 or 3 trips to the physio. So anything below was for my case. At the physio, it went something like this:
Full gait analysis and assessment of flexibility etc: video, pressure pad etc etc. The finding was that my right knee tracked inwards. Foot flexibility was OK, most of the problems were higher up around the hips / glutes, tight quads, inflexible hamstrings. Recommended I reduce the amount of support I had in my shoes.
Gave me some stetches (dynamic and static, plus foam rolling) to carry out focused on hips/glutes, quads, hamstrings. The best resource I can point you to is here:
http://www.athletestreatingathletes.com/overuse-injuries/it-band/it-band-syndrome-treatment/
Check out the video of: #1 ITB/TFL/Hip Flexor/Quad Combo Stretch
Following stretching / rolling, after a week or so I went on the doing some strengthening exercises. These mainly focused on the TFL / Glutes, and the importance was placed on form / correct control of muscles
I don't have anything precise I can share. 4 or 5 exercises used a resistance band, e.g. Crab Walk: band around balls of feet, taking 20 steps to the right, then 20 steps back x3 sets, another was band around ankles, controlled kicks to side, and backwards 45 degrees. Single Leg Squats, and hamstring curls using a Swiss Ball. Also a couple of balance exercises on a swiss ball that relied on using hips for stability. There was nothing that special about these, other than I really felt them working my TFL / Glute area