Active Ingredient: NALDEMEDINE
https://doi.org/10.1016/j.jpain.2016.01.403, https://ec.europa.eu/health/documents/community-register/2019/20190218143647/anx_143647_fr.pdf, https://www.accessdata.fda.gov/drugsatfda_docs/nda/2017/208854orig1s000OtherR.pdf