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Treats locally advanced, unresectable (stage III) NSCLC. Sold as Tagrisso. Every FDA application for this active ingredient: 1 branded and 1 generic.
As of Nov 15, 2026, FDA lists 2 applications for Osimertinib Mesylate (sold as Tagrisso), first approved Nov 13, 2015, with 9 new uses approved and 0 published complete response letters.
First approved: Nov 13, 2015
Applications: 2
New uses approved: 9
Complete response letters: 0
Medicare spending, 2025: $2.30B
Orphan exclusivity until: Sep 25, 2031
First approved in the EU: Feb 1, 2016
First approved in Japan: Mar 28, 2016
Medicare Spending
CMS Part D and Part B, 2025, before manufacturer rebates; matched by generic name
First approved in Japan 4 months after the US. PMDA's English list since 2008, matched by ingredient; see all Japanese approvals
TagrissoDrugs with a new indication for the maintenance treatment for locally-advanced, unresectable epidermal growth factor receptor (EGFR) mutation-positive non-… · AstraZeneca K.K. · May 19, 2025
TagrissoDrugs with a new indication, a new dosage, and other characteristics for postoperative adjuvant treatment for epidermal growth factor receptor (EGFR)… · AstraZeneca K.K. · Aug 24, 2022
TagrissoDrugs with a new indication for the treatment of inoperable or recurrent epidermal growth factor receptor (EGFR) mutation-positive non-small cell lung cancer. · AstraZeneca K.K. · Aug 21, 2018
Tagrisso, new ingredientDrugs with a new active ingredient indicated for the treatment of inoperable or recurrent epidermal growth factor receptor (EGFR) T790M mutation- positive… · AstraZeneca K.K. · Mar 28, 2016 · Review report
Clinical Trials
16 open or ongoing studies name this ingredient as an intervention, including as a comparator; newest first. See all
Applications, approvals and products come from FDA's Drugs@FDA data files, refreshed weekly, grouped by active ingredient as FDA spells it. Complete response letters are FDA's published letters. Medicare spending is CMS's Part D and Part B dashboard, matched to this ingredient by generic name; shortages are FDA's shortage list, matched by application number; clinical trials are ClinicalTrials.gov studies naming the ingredient as an intervention, refreshed daily; safety programs are FDA's REMS list, matched by application number or, for shared programs, by ingredient.Drugs@FDA