FDA Investigator

Patricia F Hughes Troost

Latest inspection on record: Newark, United States, July 2022 · records back to 2008

Human Drugs

FDA inspection record · Last updated July 12, 2026

Overview

  • 16 inspections across 15 sites are on record.
  • 1 Form 483 observation is attributed to this investigator.
  • Most recent recorded activity is 2022-07-15.

At a glance

Inspections

16

Sites

15

Observations

1

Career since

Jun 2008

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
Revance Therapeutics, Inc.15 Jul 2022Human DrugsOn file
Lonza Biologics, Inc.6 May 2016Human Drugs
Celltrion Branchburg, LLC24 Mar 2016Human Drugs
Lotte Biologics USA, LLC9 Oct 2015Human Drugs
United Therapeutics Corporation13 Jun 2014Human DrugsOn file

Sites inspected

Revance Therapeutics, Inc.Newark, United States1 insp.
Lonza Biologics, Inc.Portsmouth, United States1 insp.
Celltrion Branchburg, LLCBranchburg, United States1 insp.
Lotte Biologics USA, LLCEast Syracuse, United States1 insp.
United Therapeutics CorporationSilver Spring, United States1 insp.

Co-investigators

Investigators who share inspections with this person.

Sarah A Johnson1 shared

Full investigator report

Get the verbatim findings behind Patricia F Hughes Troost's 1 observation

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