Overview
- 117 inspections across 112 sites are on record.
- 404 Form 483 observations are attributed to this investigator.
- Most recent recorded activity is 2026-04-17.
At a glance
Inspections
117
Sites
112
Observations
404
Career since
Mar 2015
Recent inspections
Most recent inspections in the published record.
| Site | Date | Category | Form 483 |
|---|---|---|---|
| Optimal Solution Labs LLC | 17 Apr 2026 | Human Drugs | View 483 → |
| Sanitor Corporation | 23 Mar 2026 | Human Drugs | |
| Cosmetic Lab, Inc. | 10 Mar 2026 | Human Drugs | View 483 → |
| Custom Converting, Inc. | 16 Jan 2026 | Human Drugs | View 483 → |
| Kindeva Drug Delivery L.P. | 13 Nov 2025 | Human Drugs | View 483 → |
Sites inspected
Optimal Solution Labs LLCValencia, United States1 insp.
Sanitor CorporationStanton, United States1 insp.
Cosmetic Lab, Inc.Downey, United States1 insp.
Custom Converting, Inc.Oceanside, United States1 insp.
Kindeva Drug Delivery L.P.Northridge, United States1 insp.
Co-investigators
Investigators who share inspections with this person.
Jeffery A Johnson5 shared
Ngozi G Offor4 shared
Navneet Kaur4 shared
Jeffrey P Raimondi3 shared
Jose A Lopez Rubet3 shared
Binh T Nguyen3 shared
Yasamin Ameri3 shared
Saied A Asbagh3 shared
Jason K Loo2 shared
Thuy Tram L Nguyen2 shared
Full investigator report
Get the verbatim findings behind Darren S Brown's 404 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