 SANTA MONICA, Calif., May 24, 2021 GLOBE NEWSWIRE -- Opiant Pharmaceuticals, Inc. Opiant NASDAQ: OPNT, a specialty pharmaceutical company developing medicines for addictions and drug overdose, announced today that its Chief Executive Officer, Dr. Roger Crystal, will present at the Jefferies Virtual Healthcare Conference, from 3:30-3:55pm ET on Thursday, June 3, 2021. Opiant will also host 1x1 investor meetings during the conference. 