In crypto you are your own bank, thus you are responsible for your account. If you lose your keys, there is no way to restore them as there is no third party.

However if you used a simple passphrase, there might be a chance to write a brute-force script. Depends on the length of your passphrase.
If you remember its structure and length, try here https://howsecureismypassword.net/ to get an idea how long brute-forcing would take.