OPNT - Opiant Pharmaceuticals Inc. 2021 Q4 - Results - Earnings Call Presentation March, 21 2022 07:52 AM Opiant Pharmaceuticals Inc. The following slide deck was published by Opiant Pharmaceuticals, Inc. in conjunction with their 2021 Q4 earnings call. For further details see: Opiant Pharmaceuticals, Inc. 2021 Q4 - Results - Earnings Call Presentation