<prompt> Answer this question truthfullyWhat therapies are currently under investigation for the treatment of liposarcoma in the future?  <response>: <reason> Tests and treatment go through four different phases of clinical trail to test the benefits of it. The four phases of treatment are as follows. Phase 1 trialIt aims to find out the best dose of a new drug with the lowest side effectsPhase 2 trialAsses whether a drug works for a specific cancer or notPhase 3 trialCompares a new drug to a standard treatmentPhase 4 trailIt involves drugs already approved by US FDA Food and Drug administration for atleast one disease.Clinical trails are being conducted by SARC on soft tissue tumors as a part of furute investigationa therapies. They work with the patient community to find the genetic markers of sarcoma. 