FDA warning letter · Biologics

Abbott Laboratories

Issued · Posted by FDA

FDA published a close-out letter on Jan 21, 2025. The passages below are from the original warning letter.

Selected passages from the FDA letter

Quoted FDA text from the published dataset. These selected excerpts are not the complete letter.

Passage 1

Because these statements indicate that your product is intended for use in the mitigation, treatment, or prevention of disease, your product is a drug under section 201(g)(1)(B) of the FD&C Act [21 U.S.C. § 321(g)(1)(B)].

Passage 2

Your product is not the subject of an approved BLA nor is there an IND in effect for its use.

Passage 3

There is no food additive regulation that authorizes the use of *B. infantis* (Bb-02).

Passage 4

The ingredient *B. infantis* (Bb-02) does not meet the definition of a dietary ingredient.

Passage 5

We are not aware of a basis to conclude that any use of *B. infantis* (Bb-02) in dietary supplements or food for preterm infants is GRAS.

Passage 6

The available scientific information regarding the safety of S. thermophilus (TH-4®), when intended for consumption by preterm infants, indicates that there is inadequate information to provide reasonable assurance that *S. thermophilus* (TH-4®) does not present a significant or unreasonable risk of illness or injury.

Citations in the original letter

As cited in this historical letter, not a statement of current regulatory requirements.

  • 21 CFR 170.30
  • 21 CFR 312