today’s cyclodextrin:
CDs are currently not widely applied in vaccines, yet they have vast potential as stabilizers in cryopreservation (see Janssen Inc.’s covid vaccine) as well as a vaccine adjuvant. So far, it is mainly HPBCD that has been used for these purposes. In this early stage clinical trial, Vaxxas uses sulfobutyl-BCD in their quadrivalent influenza vaccine to preserve antigen potency during coating and storage.
Angus ForsterAdam WheatleyJesse Bodle, et al.

See the full article here

See the clinical trial details here