Comprehensive Document about the Handling of OOE and OOT Results
Recommendation

5-7 May 2026
Vienna, Austria
Practical Approaches for USP General Chapter <1058> Compliance in the QC Laboratory
How are OOE and OOT results in the pharmaceutical industry to be recorded and assessed nowadays? To answer this question, the ECA Quality Control Working Group and representatives from authorities and industry compiled a guidance document about the handling of Out-of-Expectation (OOE) and Out-of-Trend (OOT) results.
This 70 page document covers the following issues:
- Regulatory references
- Overview of data management in the laboratory and the analytical process
- Responsibilities for QC and QA
- Purpose of trend analysis
- The concept of control charts
- Detection and handling of OOE results
- Statistical process control (SPC) of continuous and discrete data
- Techniques for the retrospective review of historical data
- Trend analysis in stability testing
This document also includes seven Annexes; a technical glossary and worked examples to visualize the most important statistical tools and regression methods for a proper setting of stability trend limits.
Related GMP News
23.04.2026Revised Chapter 2.8.25 HPTLC of Herbal Products” Published in Ph. Eur. 13.1
22.04.2026USP plans new General Chapter on Supercritical Fluid Chromatography (SFC)
08.04.2026FDA Warning Letter: Batch Release Without Appropriate Laboratory Evidence
01.04.2026FDA Warning Letter - From Garbage Bags with Analytical Records to Pre-signed and Backdated Data
31.03.2026Questions and Answers on System Suitability Tests (SST) - Part 3
31.03.2026Statistical Process Control (SPC) - Survey Result Report now Available


