New hope for early lung cancer: pill may keep disease from returning
NCT ID NCT05120349
First seen Jun 27, 2026 · Last updated Jul 07, 2026 · Updated 2 times
Summary
This phase 3 trial tests whether the targeted drug osimertinib (Tagrisso) can prevent lung cancer from returning in patients with early-stage (IA2-IA3) non-small cell lung cancer that has a specific EGFR mutation. About 390 participants who have had complete tumor removal surgery will receive either osimertinib or a placebo daily. The study measures how long they remain cancer-free and overall survival, with treatment continuing until the cancer returns or side effects become unacceptable.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Osimertinib (Tagrisso), a targeted cancer pill
- What this could lead to
- If successful, this could offer a way to reduce the risk of early-stage lung cancer returning after surgery, potentially improving long-term survival.
- What could go wrong
- This is an early-stage cancer trial, and the benefit over placebo may be small. Side effects like rash, diarrhea, or lung inflammation are possible, and the drug must be taken indefinitely until recurrence or toxicity.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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390 people
The number who actually took part.
- Started
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Feb 2022
- Expected to finish
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Nov 2032
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria 1. Male or female, at least ≥ 18 years. 2. NSCLC, of non-squamous histology. 3. Stage IA2 or IA3 disease, based on TNM8 classification. 4. Complete surgical resection (R0) of the primary NSCLC by lobectomy, bilobectomy, segmentectomy or sleeve resection. 5. Complete recovery from surgery at the time of randomisation. Study intervention cannot commence within 4 weeks following surgery. No more than 12 weeks may have elapsed between surgery and randomisation for participants. 6. World Health Organization performance status of 0 or 1. 7. Provision of tumour sample for central pathology assessment of pathologic risk factors and to assess EGFR mutation status prior to randomisation. 8. A tumour which harbours one of the 2 EGFR mutations (Ex19del, L858R) by cobas® EGFR Mutation Test v2 (Roche Diagnostics) or FoundationOne® test. 9. Minimum life expectancy of \> 6 months. 10. Females must be using highly effective contraceptive measures, and must have a negative pregnancy test prior to start of dosing if of child-bearing potential, or must have evidence of non-child-bearing potential. Male subjects must be willing to use barrier contraception. Exclusion Criteria 1. Mixed small cell and non-small cell cancer history. 2. Participants with incomplete (R1/R2) resection, or who have undergone pneumonectomy or only wedge resection. 3. Any evidence of severe or uncontrolled systemic diseases, including uncontrolled hypertension and active bleeding diatheses; or active infection including HCV and HIV or active uncontrolled HBV infection. 4. History of another primary malignancy, including any known or suspected synchronous primary lung cancer except for malignancy treated with curative intent with no known active disease ≥ 5 years before the first dose of study intervention and of low potential risk for recurrence. 5. Any of the following cardiac criteria: * Mean resting QTcF interval \> 470 ms, obtained from triplicate ECGs performed at screening. * Any abnormalities in rhythm, conduction, or morphology of resting ECG, * Any factors that increase the risk of QTcF prolongation or risk of arrhythmic events. 6. History of interstitial lung disease. 7. Inadequate bone marrow reserve or organ function. 8. Any unresolved toxicities from prior therapy greater than CTCAE Grade 1 at the time of starting study intervention. 9. Prior treatment with any anticancer therapy for NSCLC (including chemotherapy, radiotherapy, immunotherapy, and EGFR-TKIs). 10. Major surgery or significant traumatic injury within 4 weeks of the first dose of study intervention. 11. Participants currently receiving medications or herbal supplements known to be strong inducers of CYP3A4.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Anchorage, Alaska, 99508, United States
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Los Angeles, California, 90024, United States
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Orange, California, 92868, United States
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Grand Junction, Colorado, 81501, United States
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Newark, Delaware, 19713, United States
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Atlanta, Georgia, 30322, United States
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Chicago, Illinois, 60612, United States
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Frederick, Maryland, 21702, United States
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Morristown, New Jersey, 07960, United States
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Flushing, New York, 11355, United States
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New York, New York, 10032, United States
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New York, New York, 10065, United States
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White Plains, New York, 10601, United States
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Houston, Texas, 77030, United States
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Fort Belvoir, Virginia, 22060, United States
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Buenos Aires, C1431FWO, Argentina
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CABA, C1012AAR, Argentina
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Cipolletti, 8234, Argentina
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La Plata, 1900, Argentina
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Rosario, 2000, Argentina
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Rosario, S2000CVB, Argentina
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S.C. de Bariloche, 8400, Argentina
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Barretos, 14784-400, Brazil
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Belo Horizonte, 30380-090, Brazil
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Porto Alegre, 90610-000, Brazil
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Recife, 52010-075, Brazil
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Rio de Janeiro, 22271-110, Brazil
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São Paulo, 01327-001, Brazil
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São Paulo, 04501-000, Brazil
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Vancouver, British Columbia, V5Z 1M9, Canada
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Montreal, Quebec, H4A 3J1, Canada
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Toronto, M5G 2M9, Canada
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Beijing, 100005, China
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Beijing, 100029, China
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Beijing, 100142, China
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Beijing, 100210, China
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Beijing, 100730, China
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Beijing, 102218, China
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Changchun, 130012, China
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Changsha, 410013, China
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Changsha, 430033, China
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Chengdu, 610000, China
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Fuzhou, 350014, China
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Guangzhou, 510060, China
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Guangzhou, 510100, China
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Hangzhou, 310022, China
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Harbin, 150049, China
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Jinan, 250117, China
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Nanjing, 210029, China
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Shanghai, 200030, China
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Shanghai, 200032, China
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Shenzhen, 518116, China
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Suzhou, 215006, China
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Taiyuan, 030000, China
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Xi'an, 710061, China
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Xintai, 54031, China
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Yangzhou, 225001, China
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Zhengzhou, 450008, China
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Berlin, 13125, Germany
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Esslingen am Neckar, 73730, Germany
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Georgsmarienhütte, 49124, Germany
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Lübeck, 23538, Germany
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München, 81377, Germany
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Würzburg, 97067, Germany
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Bari, 70124, Italy
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Catania, 95100, Italy
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Florence, 50134, Italy
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Genova, 16132, Italy
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Milan, 20141, Italy
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Naples, 80131, Italy
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Padova, 35128, Italy
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Parma, 43100, Italy
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Roma, 00144, Italy
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Chiba, 260-0877, Japan
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Fukuoka, 812-8582, Japan
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Hiroshima, 734-8551, Japan
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Kashiwa, 227-8577, Japan
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Kōtoku, 135-8550, Japan
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Kyoto, 606-8507, Japan
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Niigata, 951-8566, Japan
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Osaka, 541-8567, Japan
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Sakai, 590-0197, Japan
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Sendai, 981-0914, Japan
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Shinjuku-ku, 160-0023, Japan
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Sunto-gun, 411-8777, Japan
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Wakayama, 641-8510, Japan
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Kuala Lumpur, 59100, Malaysia
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Kuala Selangor, 46050, Malaysia
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Kuching, 93586, Malaysia
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Pulau Pinang, 10450, Malaysia
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Poznan, 60-569, Poland
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Warsaw, 01-138, Poland
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Bucharest, 022328, Romania
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Bucharest, 050098, Romania
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Perm, 614990, Russia
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Saint Petersburg, 191036, Russia
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Singapore, 169610, Singapore
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Singapore, 308433, Singapore
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Daegu, 42415, South Korea
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Jinju, 52727, South Korea
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Seoul, 03082, South Korea
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Seoul, 05505, South Korea
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Seoul, 07061, South Korea
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Suwon, 16247, South Korea
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Suwon, 16499, South Korea
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Barcelona, 08041, Spain
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Málaga, 29010, Spain
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Valencia, 46010, Spain
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Vigo, 36312, Spain
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Zaragoza, 50009, Spain
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Taichung, 40201, Taiwan
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Taichung, 40705, Taiwan
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Tainan, 70403, Taiwan
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Taipei, 100, Taiwan
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Taipei, 11217, Taiwan
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Taipei, 114, Taiwan
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Taipei, 235, Taiwan
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Taoyuan, 333, Taiwan
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Bangkok, 10300, Thailand
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Bangkok, 10330, Thailand
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Bangkok, 10700, Thailand
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Hat Yai, 90110, Thailand
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Khon Kaen, 40002, Thailand
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Muang, 50200, Thailand
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Ankara, 06010, Turkey (Türkiye)
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Bursa, 16059, Turkey (Türkiye)
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Istanbul, Turkey (Türkiye)
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Izmir, 35040, Turkey (Türkiye)
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Kadıkoy/Istanbul, 34722, Turkey (Türkiye)
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Birmingham, B9 5SS, United Kingdom
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Blackpool, FY3 8NR, United Kingdom
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London, SE1 9RT, United Kingdom
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London, SW10 9NH, United Kingdom
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London, SW3 6NP, United Kingdom
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Nottingham, NG5 1PB, United Kingdom
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Wythenshawe, M23 9LT, United Kingdom
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Hanoi, 100000, Vietnam
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Ho Chi Minh City, 700000, Vietnam
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Hồ Chí Minh, 700000, Vietnam
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a new drug shrink advanced solid tumors?
- Can a targeted drug delivery system shrink lung tumors?
- Can a new drug shrink tumors that resist standard care?
- Can a Three-Dose immunotherapy cure early lung cancer without surgery?
- Can a new drug shrink advanced solid tumors?
- Can a less extensive lung cancer surgery be just as effective?