Ancillary materials are materials that
•Come into contact with the cell or tissue product during manufacturing, but
•Are not intended to be part of the final product formulation
Terminology Notes:
•FDA first used term ancillary products in 1993 FR notice “Application of Current Statutory Authority to Human Somatic Cell Therapy Products and Gene Therapy Products.”
•FDA/cGMP term components refers to a broader group of materials which includes ancillary materials as defined above