OOS Investigations: Decision-Making in Practice and FDA Expectations for 2026
This session takes a closer look at how OOS investigations unfold in practice, from interpreting results, recognizing signals, and aligning investigation decisions with current FDA expectations.
GROUP SAVINGS: Get your team to attend for just $390.
Individual registrations available too.
Initial assessment of OOS results and early decisions often shape the entire investigation.
OOS results require disciplined decisions from the first assessment, because early interpretation often determines whether the investigation remains credible and complete.
This session structures OOS evaluation pathways, helping teams interpret results, expand inquiries appropriately, and document conclusions with consistent scientific reasoning.
The session follows the investigation sequence from initial result review through cause evaluation and final documentation. It distinguishes how laboratory findings, process signals, and broader quality indicators are weighed, then clarifies when escalation is warranted and how current FDA expectations shape each decision point.
- Initial assessment of OOS results and first-step decision pathways
- Recognizing trends, signals, and inconsistencies during review
- Distinguishing laboratory error from process-related causes
- Determining when investigations should expand beyond the laboratory
- Applying scientific reasoning to interim and final conclusions
- Documenting investigation logic under 21 CFR Part 211 expectations
- Aligning OOS handling with current FDA guidance principles
Designed for professionals responsible for result assessment, investigation oversight, and quality decisions that must withstand regulatory review.
Meredith Crabtree
Meredith Crabtree brings over 30 years of experience across laboratory, manufacturing, packaging, labeling, and distribution operations in regulated industries. Her work in regulatory assessments, third-party inspections, consent decree support, and quality training positions her to address how OOS investigations are evaluated in practice and how decision-making must be documented under current FDA expectations.
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Customized training is also available through TalkFDA Elite Training Labs.
This topic can also be delivered as a customized session for organizations seeking structured, implementation-focused training aligned with their internal processes and quality systems.
TalkFDA Elite Training Labs