FDA warning letter · Drugs

Nanomateriales Químicos Avanzados, S.A. de C.V.

Issued · Posted by FDA

Selected passages from the FDA letter

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

Passage 1

Your firm failed to have, for each batch of drug product, appropriate laboratory determination of satisfactory conformance to final specifications for the drug product, including the identity and strength of each active ingredient, prior to release (21 CFR 211.165(a)).

Passage 2

Your firm failed to conduct at least one test to verify the identity of each component of a drug product. Your firm also failed to validate and establish the reliability of your component supplier’s test analyses at appropriate intervals (21 CFR 211.84(d)(1) and (2)).

Passage 3

Your firm failed to establish an adequate quality control unit with the responsibility and authority to approve or reject all components, drug product containers, closures, in-process materials, packaging materials, labeling, and drug products (21 CFR 211.22(a))

Citations in the original letter

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

  • 21 CFR 201.128
  • 21 CFR 201.122
  • 21 CFR 201.122(a)
  • 21 CFR 201.66(b)(2)
  • 21 CFR 210
  • 21 CFR 211.165(a)
  • 21 CFR 211.84(d)(1)
  • 21 CFR 211.22(a)
  • 21 CFR 330