New targeted therapy aims to outshine standard chemo for HER2-mutant lung cancer
NCT ID NCT05048797
First seen Jun 27, 2026 · Last updated Jul 10, 2026 · Updated 1 time
Summary
This phase 3 study tests whether the targeted drug trastuzumab deruxtecan (T-DXd) works better than standard chemotherapy as the first treatment for people with advanced non-small cell lung cancer that has a specific HER2 gene mutation. About 454 adults who have not had prior treatment for their advanced cancer will be randomly assigned to receive either T-DXd or standard care. The main goal is to see how long the cancer stays under control.
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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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454 people
The number who actually took part.
- Started
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Oct 2021
- Expected to finish
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Jul 2027
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 to 123 years
- 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: * Participants at least 18 years of age * Locally advanced and unresectable NSCLC, not amenable to curative therapy, or metastatic disease * Histologically documented non-squamous NSCLC with HER2 mutation in exons 19 or 20 by tissue NGS or ctDNA * Treatment-naïve for palliative intent systemic therapy for locally advanced or metastatic disease * Left ventricular ejection fraction (LVEF) ≥ 50% * Measurable disease assessed by Investigator based on RECIST 1.1 * Protocol-defined adequate organ function including cardiac, renal, hepatic function * ECOG 0-1 * Having tumour tissue available for central testing Exclusion Criteria: * Tumors with targetable alterations to EGFR (or other targetable mutations including but not limited to ALK, if routinely tested as a targetable alteration with approved available therapy) * Any untreated brain metastases, including asymptomatic or clinically inactive brain metastases * Active autoimmune or inflammatory disorders * Medical history of myocardial infarction within 6 months prior to randomization * History of non-infectious pneumonitis/ILD, current or suspected ILD * Lung-specific intercurrent clinical significant severe illness * Contraindication to platinum-based doublet chemotherapy or pembrolizumab
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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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Research Site
Anchorage, Alaska, 99508, United States
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Los Alamitos, California, 90720, United States
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Los Angeles, California, 90048, United States
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Orange, California, 92868, United States
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San Francisco, California, 94143, United States
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Santa Monica, California, 90404, United States
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Silver Spring, Maryland, 20910, United States
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Boston, Massachusetts, 02215, United States
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Ann Arbor, Michigan, 48109, United States
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Basking Ridge, New Jersey, 07920, United States
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Middletown, New Jersey, 07748, United States
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Montvale, New Jersey, 07645, United States
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New Brunswick, New Jersey, 08901, United States
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Commack, New York, 11725, United States
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Harrison, New York, 10604, United States
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New York, New York, 10065, United States
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Uniondale, New York, 11553, United States
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Pittsburgh, Pennsylvania, 15232, United States
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Dallas, Texas, 75246, United States
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Linz, 4020, Austria
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Vienna, 1210, Austria
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Ghent, 9000, Belgium
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Leuven, 3000, Belgium
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Barretos, 14784-400, Brazil
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Blumenau, 89010-340, Brazil
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Brasília, 70200-730, Brazil
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Natal, 59075-740, Brazil
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Salvador, 40170-110, Brazil
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São Paulo, 01321-001, Brazil
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São Paulo, 01327-001, Brazil
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Uberlândia, 38408-150, Brazil
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Vancouver, British Columbia, V5Z 4E6, Canada
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Brampton, Ontario, L6R 3J7, Canada
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Toronto, Ontario, M5G 1Z5, Canada
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Montreal, Quebec, H4A 3J1, Canada
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Beijing, 100142, China
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Beijing, 100730, China
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Changchun, 130021, China
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Changsha, 410008, China
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Changsha, 410013, China
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Chengdu, 611135, China
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Fuzhou, 350014, China
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Guangzhou, 510080, China
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Hangzhou, 310020, China
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Jinan, 250117, China
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Kunming, 650101, China
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Kunming, 650118, China
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Linhai, 317000, China
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Nanchang, 330006, China
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Nanjing, 210029, China
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Shanghai, 200032, China
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Shenyang, 110016, China
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Shenzhen, 518020, China
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Wenzhou, CN-325000, China
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Wuhan, 430022, China
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Xi'an, 710061, China
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Xiamen, 361003, China
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Yangzhou, 225001, China
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Vejle, 7100, Denmark
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Bordeaux, 33000, France
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Dijon, 21079, France
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Le Mans, 72037, France
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Lyon, 69373, France
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Marseille, 13915, France
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Nantes, 44093, France
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Toulouse, 31059, France
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Villejuif, 94805, France
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Cologne, 50937, Germany
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Dresden, 01307, Germany
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Mainz, 55131, Germany
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München, 81377, Germany
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Oldenburg, 26121, Germany
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Hong Kong, 999077, Hong Kong
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Hong Kong, Hong Kong
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Jordan, 999077, Hong Kong
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Bangalore, 560027, India
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Delhi, 110085, India
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Hyderabad, 500032, India
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Mumbai, 400012, India
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Nashik, 422002, India
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Milan, 20141, Italy
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Monza, 20090, Italy
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Orbassano, 10043, Italy
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Parma, 43126, Italy
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Roma, 00168, Italy
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Verona, 37134, Italy
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Chūōku, 104-0045, Japan
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Fukuoka, 812-8582, Japan
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Kashiwa, 277-8577, Japan
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Matsuyama, 791-0280, Japan
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Niigata, 951-8566, Japan
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Okayama, 700-8558, Japan
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Osaka, 541-8567, Japan
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Sakai, 590-0197, Japan
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Sapporo, 060-8638, Japan
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Sendai, 981-0914, Japan
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Sunto-gun, 411-8777, Japan
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Yokohama, 241-8515, Japan
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Yonago-shi, 683-8504, Japan
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Mexico City, '14080, Mexico
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Mexico City, 03810, Mexico
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Amsterdam, 1081 HV, Netherlands
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Groningen, 9700 RB, Netherlands
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Nijmegen, 6525 GA, Netherlands
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Gdansk, 80-952, Poland
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Olsztyn, 10-357, Poland
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Przemyśl, 37-700, Poland
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Warsaw, 02-781, Poland
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Cheongju-si, 28644, South Korea
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Goyang-si, 10408, South Korea
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Gyeonggi-do, 13620, South Korea
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Seoul, 03080, South Korea
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Seoul, 05505, South Korea
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Seoul, 06351, South Korea
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L'Hospitalet de Llobregat, 08908, Spain
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Madrid, 28041, Spain
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Málaga, 29730, Spain
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Valencia, 46026, Spain
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Kaohsiung City, 833, Taiwan
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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, 10048, Taiwan
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Taipei, 235, Taiwan
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Taipei, TAIWAN, Taiwan
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Taoyuan, 333, Taiwan
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Çankaya, 06680, Turkey (Türkiye)
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Edirne, 22030, Turkey (Türkiye)
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Izmir, 35040, Turkey (Türkiye)
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Research Site
Kadıkoy/Istanbul, 34722, Turkey (Türkiye)
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Other studies related to the condition(s) this trial covers.