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New hope for tough lung cancer: tarlatamab trial shows promise
NCT ID NCT05060016
First seen Jun 27, 2026 · Last updated Jul 23, 2026 · Updated 2 times
Summary
This phase 2 study tests a drug called tarlatamab in 222 people with relapsed or refractory small cell lung cancer who have already tried at least two prior treatments. The goal is to see if tarlatamab can shrink tumors and how safe it is. Participants receive the drug through an IV infusion, and researchers will monitor side effects and tumor response.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- tarlatamab
- What this could lead to
- If successful, tarlatamab could offer a new treatment option for patients with advanced small cell lung cancer who have run out of standard therapies.
- What could go wrong
- This is a mid-stage trial with only 222 participants, so results may not apply to all patients. Side effects are possible, and the drug may not work for everyone.
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 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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222 people
The number who actually took part.
- Started
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Dec 2021
- Expected to finish
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Dec 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 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: * Participant has provided informed consent/assent prior to initiation of any study specific activities/procedures. * Male and female participants ≥ 18 years of age (or legal adult age within country) at the time of signing the informed consent. * Histologically or cytologically confirmed relapsed/refractory SCLC * Participants who progressed or recurred following 1 platinum-based regimen and at least 1 other prior line of therapy. * Participants willing to provide archived tumor tissue samples or willing to undergo pretreatment tumor biopsy. * Eastern Cooperative Oncology Group (ECOG) performance status of 0 1. * Minimum life expectancy of 12 weeks. * Measurable lesions as defined per RECIST 1.1 within 21 days prior to the first dose of tarlatamab. * Participants with treated brain metastases are eligible provided they meet defined criteria. Exclusion Criteria: Disease Related * Untreated or symptomatic brain metastases and leptomeningeal disease. * Has evidence of interstitial lung disease or active, non-infectious pneumonitis. * Participants who experienced recurrent pneumonitis (grade 2 or higher) or severe, life-threatening immune-mediated adverse events or infusion-related reactions including those that lead to permanent discontinuation while on treatment with immuno-oncology agents. * Unresolved toxicity from prior anti-tumor therapy, defined as per protocol. Other Medical Conditions * History of other malignancy within the past 2 years, with exceptions * Myocardial infarction and/or symptomatic congestive heart failure (New York Heart Association \> class II) within 12 months of first dose of tarlatamab. * History of arterial thrombosis (eg, stroke or transient ischemic attack) within 12 months of first dose of tarlatamab. * Participant with symptoms and/or clinical signs and/or radiographic signs that indicate an acute and/or uncontrolled active systemic infection within 7 days prior to the first dose of tarlatamab. * Presence of any indwelling line or drain. * History of hypophysitis or pituitary dysfunction. * Exclusion of hepatitis infection based on the results and/or criteria per protocol. * Major surgery within 28 days of first dose of tarlatamab. * History or evidence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Subject is eligible if no acute symptoms of coronavirus disease 2019 (COVID-19) within 14 days prior to first dose of tarlatamab (counted from day of positive test for asymptomatic subjects). Prior/Concomitant Therapy * Participant received prior therapy with tarlatamab. * Prior anti-cancer therapy within 28 days prior to first dose of tarlatamab. * Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of tarlatamab. * The following vaccines (live and live-attenuated vaccines) are excluded during the following study periods: 1. Screening and during study treatment: Live and live-attenuated vaccines are prohibited within 28 days prior to the first dose of tarlatamab and for the duration of the study. Live viral non-replicating vaccine (e.g. Jynneos) for Monkeypox infection is allowed during the study (except during cycle 1) in accordance with local standard of care and institutional guidelines. 2. End of study treatment: Live and live-attenuated vaccines can be used when at least 42 days (5X half-life of tarlatamab) have passed after the last dose of tarlatamab. Other Exclusions * Female participants of childbearing potential unwilling to use protocol specified method of contraception during treatment and for an additional 60 days after the last dose of tarlatamab. * Female participants who are breastfeeding or who plan to breastfeed while on study through 60 days after the last dose of tarlatamab. * Female participants planning to become pregnant while on study through 60 days after the last dose of tarlatamab. * Female participants of childbearing potential with a positive pregnancy test assessed at screening and/or day 1 by a highly sensitive urine or serum pregnancy test. * Male participants with a female partner of childbearing potential who are unwilling to practice sexual abstinence (refrain from heterosexual intercourse) or use contraception during treatment and for an additional 60 days after the last dose of tarlatamab. * Male participants with a pregnant partner who are unwilling to practice abstinence or use a condom during treatment and for an additional 60 days after the last dose of tarlatamab. * Male participants unwilling to abstain from donating sperm during treatment and for an additional 60 days after the last dose of tarlatamab. * Participant has known sensitivity to any of the products or components to be administered during dosing. * Participant likely to not be available to complete all protocol-required study visits or procedures, and/or to comply with all required study procedures. * History or evidence of any other clinically significant disorder, condition or disease determined by the investigator or Amgen physician. Specific Exclusions to Part 3 * Participants unable to remain within one hour of study site for 48 hours after infusion of tarlatamab on Cycle 1 Day 1 and Cycle 1 Day 8. * Participants unable to remain within one hour of any hospital for 72 hours after infusion of tarlatamab on Cycle 1 Day 1 and Cycle 1 Day 8. * Unable to identify home companion who will cohabitate with participant for 72 hours after infusion of tarlatamab on Cycle 1 Day 1 and Cycle 1 Day 8.
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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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Agios Loukas Clinic
Thessaloniki, 55236, Greece
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Aichi Cancer Center
Nagoya, Aichi-ken, 464-8681, Japan
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Asan Medical Center
Seoul, 05505, South Korea
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Azienda Ospedaliero-Universitaria di Parma
Parma, 43126, Italy
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Azienda Socio Sanitaria Territoriale dei Sette Laghi Ospedale di Circolo e Fondazione Macchi
Varese, 21100, Italy
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Centra Medyczne Medyceusz Sp zoo
Lodz, 91-053, Poland
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Centre Hospitalier Lyon Sud
Pierre-Bénite, 69495, France
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Centre Hospitalier Universitaire Nord
Marseille, 13915, France
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Centre Hospitalier Universitaire de Rennes - Hopital Pontchaillou
Rennes, 35033, France
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Centre Hospitalier Universitaire de Strasbourg - Nouvel Hopital Civil
Strasbourg, 67091, France
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Centre Hospitalier Universitaire de Toulouse - Hopital Larrey
Toulouse, 31059, France
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Centro Hospitalar Universitario do Porto EPE - Hospital de Santo Antonio
Porto, 4099-001, Portugal
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Christiana Care Health Services
Newark, Delaware, 19713, United States
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Christie Hospital
Manchester, M20 4BX, United Kingdom
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Dana Farber - Harvard Cancer Center
Boston, Massachusetts, 02215, United States
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Dartmouth Hitchcock Medical Center
Hanover, New Hampshire, 03756, United States
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Duke University Medical Center
Durham, North Carolina, 27705, United States
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Erasmus Medisch Centrum
Rotterdam, 3015 GD, Netherlands
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Euromedica General Clinic of Thessaloniki
Thessaloniki, 54645, Greece
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General Hospital of Patras Agios Andreas
Pátrai, 26335, Greece
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Grand Hopital de Charleroi - Site Saint Joseph
Gilly, 6060, Belgium
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Henry Dunant Hospital Center
Athens, 11526, Greece
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Henry Ford Health System
Detroit, Michigan, 48202, United States
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Hopitaux Universitaires de Geneve
Geneva, 1211, Switzerland
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Hospital CUF Descobertas
Lisbon, 1998-018, Portugal
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Hospital Clinic i Provincial de Barcelona
Barcelona, Catalonia, 08036, Spain
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Hospital Cuf porto
Porto, 4100-180, Portugal
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Hospital Regional Universitario de Malaga
Málaga, Andalusia, 29011, Spain
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Hospital Universitari Vall d Hebron
Barcelona, Catalonia, 08035, Spain
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Hospital Universitari i Politecnic La Fe
Valencia, Valencia, 46026, Spain
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Hospital Universitario 12 de Octubre
Madrid, 28041, Spain
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Hospital Universitario Puerta de Hierro Majadahonda
Majadahonda, Madrid, 28222, Spain
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Hospital da Luz, SA
Lisbon, 1500-650, Portugal
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Hospital de la Santa Creu i Sant Pau
Barcelona, Catalonia, 08041, Spain
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Institut Curie
Paris, 75248, France
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Institut Gustave Roussy
Villejuif, 94805, France
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Instituto Catalan de Oncologia Hospital Duran i Reynals
L'Hospitalet de Llobregat, Catalonia, 08908, Spain
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Instituto Portugues de Oncologia do Porto Francisco Gentil, EPE
Porto, 4200-072, Portugal
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Istituti Fisioterapici Ospitalieri Regina Elena San Gallicano
Rome, 00144, Italy
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Kaohsiung Chang Gung Memorial Hospital
Kaohsiung City, 83301, Taiwan
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Kindai University Hospital
Osakasayama-shi, Osaka, 589-8511, Japan
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Landeskrankenhaus Salzburg
Salzburg, 5020, Austria
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Leids Universitair Medisch Centrum
Leiden, 2333 ZA, Netherlands
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LungenClinic Grosshansdorf GmbH
Großhansdorf, 22927, Germany
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Mazowieckie centrum leczenia
Otwock, 05-400, Poland
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Metropolitan Hospital
Athens, 18547, Greece
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Moffitt Cancer Center
Tampa, Florida, 33612, United States
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National Cancer Center
Goyang-si Gyeonggi-do, 10408, South Korea
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National Cancer Center Hospital East
Kashiwa-shi, Chiba, 277-8577, Japan
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National Cancer Centre Singapore
Singapore, 168583, Singapore
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Okayama University Hospital
Okayama, Okayama-ken, 700-8558, Japan
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Oncology Hematology Care Inc
Cincinnati, Ohio, 45242, United States
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Rigshospitalet
Copenhagen, 2100, Denmark
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Samsung medical center
Seoul, 06351, South Korea
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Sarah Cannon Research Institute
Nashville, Tennessee, 37203, United States
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Sarah Cannon Research Institute UK
London, W1G 6AD, United Kingdom
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Seoul National University Bundang Hospital
Seongnam-si, Gyeonggi-do, 13620, South Korea
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Shizuoka Cancer Center
Sunto-gun, Shizuoka, 411-8777, Japan
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Sotiria General Hospital
Athens, 11527, Greece
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Taipei Veterans General Hospital
Taipei, 11217, Taiwan
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The Cancer Institute Hospital of Japanese Foundation for Cancer Research
Koto-ku, Tokyo, 135-8550, Japan
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The Catholic University of Korea Seoul St Marys Hospital
Seoul, 06591, South Korea
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Theagenion Cancer Hospital
Thessaloniki, 54007, Greece
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Universitaetsklinikum Koeln
Cologne, 50937, Germany
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Universitaetsklinikum Krems
Krems, 3500, Austria
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Universitaetsklinikum Wuerzburg
Würzburg, 97078, Germany
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Universitair Ziekenhuis Gent
Ghent, 9000, Belgium
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Universitair Ziekenhuis Leuven - Campus Gasthuisberg
Leuven, 3000, Belgium
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University Hospital of Heraklion
Heraklion - Crete, 71500, Greece
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University Hospitals Cleveland Medical Center
Cleveland, Ohio, 44106, United States
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University of Alabama at Birmingham
Birmingham, Alabama, 35249, United States
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University of Arkansas for Medical Sciences
Little Rock, Arkansas, 72205, United States
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University of Iowa
Iowa City, Iowa, 52242, United States
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University of Pittsburgh Medical Center Cancer Pavillion
Pittsburgh, Pennsylvania, 15232, United States
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Uniwersyteckie Centrum Kliniczne
Gdansk, 80-214, Poland
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Wakayama Medical University Hospital
Wakayama, Wakayama, 641-8510, Japan
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Wake Forest Baptist Comprehensive Cancer Research Center
Winston-Salem, North Carolina, 27157, United States
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West Virginia University Health Sciences Center
Morgantown, West Virginia, 26506, United States
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Winship Cancer Institute
Atlanta, Georgia, 30332, United States
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Yonsei University Health System Severance Hospital
Seoul, 03722, South Korea
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