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A Study of Osimertinib With or Without Chemotherapy Versus Chemotherapy Alone as Neoadjuvant Therapy for Patients With EGFRm Positive Resectable Non-Small Cell Lung Cancer

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NCT04351555 · results posted

Sponsored by AstraZeneca (industry) · AZN — their whole pipeline →.

Phase
Phase 3
Status
Active, not recruiting
Study type
Interventional
Design
Randomized · Double · Treatment
Enrollment
358actual
Sites
158
Countries
Austria, Brazil, Bulgaria +22

Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →

Source: ClinicalTrials.gov, retrieved 2026-08-19

Dates

each axis at the precision it was filed, with the registry's own basis
DateFiledBasisWhat it is
Start2020-12-16actualWhen the study began enrolling
Primary completion2024-10-15actualThe date the last participant is measured for the primary outcome — the readout window
Study completion2029-06-13estimatedThe whole study's end, after follow-up
First posted2020-04-17actualWhen this record first appeared on the registry
Results posted2026-06-05actualWhen the sponsor posted results to the registry
Record updated2026-06-05actualThe sponsor's own last edit to this record — every projection above is as current as this date

What it studies

Condition

  • Non-Small Cell Lung Cancer

Interventions

  • Drug: Osimertinib — also filed as AZD9291; TAGRISSO
  • Drug: Cisplatin
  • Drug: Carboplatin
  • Drug: Placebo
  • Drug: Pemetrexed

Primary outcomes

what the primary-completion date above is the date OF
Major Pathological Response (MPR) - IASLC Method
measured From date of randomization to an average of 12 weeks after the first dose
Major Pathological Response (MPR) - Chemotherapy Method
measured From date of randomization to an average of 12 weeks after the first dose

Posted documents

hosted by the registry — we link, never re-serve
Study Protocolposted 2023-12-08 · 3.1 MB · Prot_000.pdf
Statistical Analysis Planposted 2024-09-30 · 13.4 MB · SAP_001.pdf

Publications

Linked on the registry record. A “linked by the registry” entry is NLM's own automated PubMed match, not a claim by the sponsor that the paper reports this study.

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