Sato Pharmaceutical Co., Ltd

Form 483 issued November 21, 2025 · Hachioji, Japan

Inspection
Nov 13 – Nov 21, 2025
Observations
10
Pages
10
FEI number
3004055563

In short: On November 21, 2025, FDA issued a Form 483 with 10 observations to Sato Pharmaceutical Co., Ltd in Hachioji, Tokyo (FEI 3004055563) after an inspection that ran Nov 13 – Nov 21, 2025. The investigators were Anastasia M. Shields and Nibin Varghese. Most observations concern laboratory controls and quality system; the most-cited regulation is 21 CFR 211.166 (stability testing).

At a glance

Laboratory controls and quality system account for 6 of 10 observations.

Laboratory controls4
Quality system2
Production2
Facilities & equipment2

What FDA observed

Preview: the opening words of each observation
  1. 01

    There is a failure to thoroughly review any unexplained discrepancy and the failure of a batch…

  2. 02

    Procedures designed to prevent microbiological contamination of drug products purporting to be sterile did not include…

  3. 03

    The accuracy, sensitivity, specificity and reproducibility of test methods have not…

  4. 04

    The quality control unit lacks the responsibility and authority to approve and…

6 more observations

Plus the full detail behind each one, exactly as FDA wrote it.

Get the full 483

This inspection in context

Questions about this 483

What did FDA find at Sato Pharmaceutical Co., Ltd?

FDA listed 10 observations on this Form 483, mostly about laboratory controls, quality system and production. The most-cited regulation is 21 CFR 211.166 (stability testing). The opening words of each observation are shown on this page.

Who inspected Sato Pharmaceutical Co., Ltd?

Anastasia M. Shields and Nibin Varghese are named on this Form 483, for the inspection of Nov 13 – Nov 21, 2025. Each investigator has a profile showing what they cite most.

When was Sato Pharmaceutical Co., Ltd inspected by FDA?

The inspection ran Nov 13 – Nov 21, 2025, and the Form 483 is dated November 21, 2025.

How do I get the full Form 483 for Sato Pharmaceutical Co., Ltd?

Download the original PDF from FDA Intel for $99, with no subscription. Your first Form 483 or letter is on us. You also get an invoice PDF with the order.

$99Get it free