FDA Warning Letters

FDA Warning Letter to MedisourceRx

The FDA issued a warning letter to MedisourceRx on December 12, 2025, for failing to meet the conditions of section 503B of the FDCA. The inspection revealed that the outsourcing facility did not submit adverse event reports as required, violating federal drug laws.

FDA Warning Letter to East CK Trading Inc.

The FDA issued a warning letter to East CK Trading Inc. for significant violations of the Foreign Supplier Verification Program (FSVP) regulation. The company failed to develop and maintain an FSVP for imported foods, leading to potential refusal of admission and detention without physical examination.

FDA Warning Letter to Dynamic Stem Cell Therapy

The FDA issued a warning letter to Dynamic Stem Cell Therapy for misbranding an umbilical cord-derived stem cell product. The product is considered an unapproved new drug and an unlicensed biological product, violating the Federal Food, Drug, and Cosmetic Act. The FDA's review found claims on the company's website indicating the product is intended to diagnose, cure, mitigate, treat, or prevent disease.

FDA Warning Letter to AQ USA Inc. for Drug Manufacturing Violations

The FDA issued a warning letter to AQ USA Inc., d.b.a Ross Healthcare Inc., for significant Current Good Manufacturing Practice (CGMP) violations at its drug manufacturing facility in Lynden, Washington. The violations include inadequate laboratory testing for microbial contamination and failure to establish appropriate specifications for drug products.

FDA Warning Letter to A. Nelson & Co. Ltd

The FDA issued a warning letter to A. Nelson & Co. Ltd. for significant violations of Current Good Manufacturing Practice (CGMP) regulations, including inadequate microbial testing and unsupported expiration date extensions. The company's drug products were found to be adulterated.