Memantine protects against amphetamine derivatives-induced neurotoxic damage in rodents.
https://www.ncbi.nlm.nih.gov/pubmed/18455739



Memantine prevents MDMA-induced neurotoxicity
http://www.bluelight.org/vb/threads/363144-Memantine-prevents-MDMA-induced-neurotoxicity



Memantine as a neuroprotective, memory enhancing agent, and potentially effective adjunct to amphetamine, methylphenidate, and MDMA usage.
https://medium.com/@pharmakeus/memantine-as-a-neuroprotective-memory-enhancing-agent-and-potentially-effective-adjunct-to-19757a1bbcd6#.y7fzzk2hn