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Clinical data
AHFS/Drugs.com International Drug Names
Routes of
ATC code
Legal status
Legal status
  • In general: ℞ (Prescription only)
CAS Number
PubChem CID
ECHA InfoCard 100.046.887 Edit this at Wikidata
Chemical and physical data
Formula C16H24N2O6
Molar mass 340.372 g/mol
3D model (JSmol)

Pirisudanol (Mentis, Menthen, Mentium, Nadex, Nadexen, Nadexon, Pridana, Stivane), also known as pyrisuccideanol, is the succinic acid ester of pyridoxine (a form of vitamin B6) and of deanol (DMAE).[1] It has been used in Europe in the treatment of mild cognitive impairment as well as fatigue and depression.[1][2][3][4][5]

See also[edit]


  1. ^ a b [+http://www.dr-bob.org/cgi-bin/pb/mget.pl?post=/babble/20010708/msgs/69493.html#69493 "Psycho-Babble Medication Thread 69493"] Check |url= value (help). 
  2. ^ David J. Triggle (1996). Dictionary of Pharmacological Agents. Boca Raton: Chapman & Hall/CRC. ISBN 0-412-46630-9. 
  3. ^ Bathien N, Willer JC, Hugelin A (1976). "[Effect of psychotropic drugs on physiological variations and psychometric scores during attention]". L'Encéphale (in French). 2 (1): 55–60. PMID 1261486. 
  4. ^ Murphy JE (1981). "An evaluation of pyrisuccideanol maleate (Nadex) in the treatment of mild to moderate depression in patients aged 55 years and over, presenting in general practice". The Journal of International Medical Research. 9 (5): 330–7. PMID 7297757. 
  5. ^ Zmorski T (September 1983). "[Experience with Nadex in an ambulatory psychiatric practice]". Therapeutische Umschau. Revue Thérapeutique (in German). 40 (9): 817–20. PMID 6138876.