VIVITROL (naltrexone for extended-release injectable suspension); 380 mg vial NDC 65757-300-01; RX Only Manufactured and marketed by Alkermes, Inc., Waltham, MA 02451.
Customer complaints for failure to deliver the dose.
Nationwide
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-1556-2014