I am signing off shortly for the night, but I wanted to make sure you received an answer before I left. I am sorry to hear of your dilemma. I realize how frustrating this is for you and I hope to provide you information which is accurate and useful, even though it may not be the news you were hoping to get.
Unfortunately, your lease is binding and enforceable for the lease term stated in the contract. Therefore, without a provision in the lease providing a right to early termination or landlord breach (constituting constructive eviction), you are liable for the payment of rent and other obligations specified in the agreement until the end of the lease term.
So, you have a few options. First, you can try to find a new tenant to either be a subtenant or assignee of your lease.
Next you can try to negotiate a lump-sum settlement of the remaining balance on the lease.
Finally, and most risky, you can just move out without a new tenant or settlement, and hope the landlord can relet the space quickly.
The last option puts you in breach of the lease and subject to damages if the landlord sues and prevails.
With regard to the first two options, if you find a new tenant or reach a settlement with the landlord, it is most important that the terms be in writing and signed by the parties so that it is enforceable in court.