Overview
- 199 inspections across 196 sites are on record.
- 439 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-06-12.
At a glance
Inspections
199
Sites
196
Observations
439
Career since
Jan 2016
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| TOYO Pharmaceutical Co., Ltd. | 12 Jun 2026 | Human Drugs | View 483 → |
| Eisai Company Ltd. | 5 Jun 2026 | Human Drugs | On file |
| Nippon Kayaku Co., Ltd. | 29 May 2026 | Human Drugs | On file |
| Deciem Inc. | 2 Apr 2026 | Human Drugs | View 483 → |
| Deciem Inc. | 2 Apr 2026 | Human Drugs |
Sites inspected
TOYO Pharmaceutical Co., Ltd.Osaka, Japan1 insp.
Eisai Company Ltd.Kakamigahara, Japan1 insp.
Nippon Kayaku Co., Ltd.Takasaki, Japan1 insp.
Deciem Inc.Etobicoke, Canada1 insp.
Deciem Inc.Toronto, Canada1 insp.
Co-investigators
Investigators who share inspections with this person.
Heath W Cartwright6 shared
Carl A Huffman5 shared
Arsen Karapetyan4 shared
Naseem S Jouhari4 shared
JoshRenzo N Ramilo3 shared
Khoa Nathan V Tran3 shared
Gretchen L Trendel3 shared
Michael A Feingold3 shared
Lyndsey G Smith3 shared
Aqualia L Nelson3 shared
Full investigator report
Get the verbatim findings behind Wayne D Mcgrath's 439 observations
Source 483 PDFs, verbatim observations, and how each site responded, so your team knows what they cite before they arrive.
- New inspections and Form 483s, mapped to the CFR citation
- Warning letter outcomes, and the citation patterns they repeat
- Their co-investigators, so no surprises about who shows up on site