Is your tinnitus bilateral? When you say loud, how would you objectify that? Decibels? Not masked by a shower?
As for when will tinnitus be "cured", that's not important to me. What is important is lowering the intensity to a manageable level. So with that said, I will go with 2029, and say there will be several treatments on the market by then. This is something Dr. Susan Shore said at the TRI 2019 conference: "In the next 10 years I think there will be several treatments that come to market that should be able to help all those people that are really counting on us."
I generally don't like to hear the word "cure" thrown around as it's childish.