One such option is stem cell therapy, which is becoming a popular approach in sports medicine. There is very detailed information about this at: https://ways2well.com/blog/stem-cell-therapy-for-rock-climbing-injuries-boost-sports-recovery. It explains that cells can not only help reduce pain and restore tissue, but also significantly reduce recovery time compared to traditional methods. This is especially interesting for those who want to avoid surgery and have chronic or complex tendon and joint injuries. Consult with a qualified doctor to weigh all the pros and cons, but this option is definitely worth considering.