{"id":1653,"date":"2026-10-06T12:28:31","date_gmt":"2026-10-06T12:28:31","guid":{"rendered":"https:\/\/dev.ich.org\/index.php\/guidelines\/q1e\/"},"modified":"2026-10-06T12:28:31","modified_gmt":"2026-10-06T12:28:31","slug":"q1e","status":"publish","type":"guideline","link":"https:\/\/dev.ich.org\/index.php\/guidelines\/q1e\/","title":{"rendered":"Q1E \u2013 Evaluation of Stability Data"},"content":{"rendered":"<p>The ICH Harmonised Guideline was finalised under <em>Step 4<\/em> in February 2003. This document extends the main stability Guideline by explaining possible situations where extrapolation of retest periods or shelf-lives beyond the real-time data may be appropriate. Furthermore, it provides examples of statistical approaches to stability data analysis.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The ICH Harmonised Guideline was finalised under Step 4 in February 2003. This document extends the main stability Guideline by explaining possible situations where extrapolation of retest periods or shelf-lives beyond\u2026<\/p>\n","protected":false},"featured_media":0,"template":"","guideline_category":[18],"guideline_tag":[],"rd_phase":[],"class_list":["post-1653","guideline","type-guideline","status-publish","hentry","guideline_category-quality"],"acf":[],"_links":{"self":[{"href":"https:\/\/dev.ich.org\/index.php\/wp-json\/wp\/v2\/guideline\/1653","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dev.ich.org\/index.php\/wp-json\/wp\/v2\/guideline"}],"about":[{"href":"https:\/\/dev.ich.org\/index.php\/wp-json\/wp\/v2\/types\/guideline"}],"version-history":[{"count":0,"href":"https:\/\/dev.ich.org\/index.php\/wp-json\/wp\/v2\/guideline\/1653\/revisions"}],"wp:attachment":[{"href":"https:\/\/dev.ich.org\/index.php\/wp-json\/wp\/v2\/media?parent=1653"}],"wp:term":[{"taxonomy":"guideline_category","embeddable":true,"href":"https:\/\/dev.ich.org\/index.php\/wp-json\/wp\/v2\/guideline_category?post=1653"},{"taxonomy":"guideline_tag","embeddable":true,"href":"https:\/\/dev.ich.org\/index.php\/wp-json\/wp\/v2\/guideline_tag?post=1653"},{"taxonomy":"rd_phase","embeddable":true,"href":"https:\/\/dev.ich.org\/index.php\/wp-json\/wp\/v2\/rd_phase?post=1653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}