DIAN Observational Study Investigator Resources

For details about investigator resources, please view the following

Search and request data



  • To inquire about the process of submitting a data or biospecimen request, contact Angie Ziegemeier, the Data Navigator for DIAN.
  • For scientific inquiries related to DIAN data and/or biospecimens, contact Celeste Karch, PhD, the Resource Director of DIAN.

*DIAN biospecimen requests are reviewed bi-annually (Feb 15 and Aug 15), so please plan accordingly