XLRN - Acceleron Pharma Inc. 2020 Q4 - Results - Earnings Call Presentation February, 26 2021 08:42 AM Acceleron Pharma Inc. The following slide deck was published by Acceleron Pharma Inc. in conjunction with their 2020 Q4 earnings call. For further details see: Acceleron Pharma Inc. 2020 Q4 - Results - Earnings Call Presentation