The normal 'treatment' is palliative which helps the symptoms, generally temporarily, as it is conventionally considered incurable & progressive. Tends to be shoes with pads, raising the heels gradually more as the 'treatment' ceases to be effective.
Underrun 'no heels', long toes, broken back pastern axis, or high heels tend to be major factors. Getting hooves (back) into functioning form is a big part of the answer. Dr Robert Bowker is very well worth looking up, as is Mayfield Barehoof Care Centre Home Page
& many other sites & sources to learn more.