*  24 Months Safety and Efficacy Study of AADvac1 in Patients With Mild Alzheimer's Disease - Full Text View - ClinicalTrials...
... amyloid+, tau+) ... Known allergy to components of the vaccine.. *Contraindication ... Vitamin B12 deficiency (serum vitamin B12 , 191 pg/mL).. Contacts and Locations. Information from the National Library of ...
  https://clinicaltrials.gov/ct2/show/NCT02579252