New drug AMG 305 tested in patients with advanced cancers
NCT ID NCT05800964
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-phase study tested a new drug called AMG 305 in 37 adults with advanced solid tumors that had stopped responding to standard treatments. The main goals were to check the drug's safety and find the best dose for future studies. Participants received the drug and were monitored for side effects and how the drug moved through their bodies.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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37 people
The number who actually took part.
- Started
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Jun 2023
- Finished
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Jan 2026
- 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 100 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.
Key Inclusion Criteria: * Participant has provided informed consent to the main study prior to initiation of any study specific activities/procedures * Male or female participants age ≥ 18 years * Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1 * Participants with histologically or cytologically documented selected solid tumor diseases. Participants must have exhausted available standard of care (SOC) systemic therapy or must not be candidates for such available therapy * For dose expansion cohorts: participants with at least 1 measurable lesion ≥10 mm which has not undergone biopsy within 3 months of screening scan. This lesion cannot be biopsied at any time during the study * Life expectancy \> 3 months * Adequate organ function Key Exclusion Criteria: * Untreated central nervous system (CNS) metastases, leptomeningeal disease, or spinal cord compression * History of other malignancy within the past 2 years * Ongoing or active infection (including chronic or localized) * Any pleural effusion or pericardial effusion within 4 weeks or ascites requiring recurrent drainage procedures or other medical intervention within 2 weeks prior to the first dose of the investigational products. * Known interstitial lung disease * Positive test for human immunodeficiency virus (HIV) * Positive hepatitis B surface antigen or positive hepatitis C virus ribonucleic acid (RNA) by polymerase chain reaction (PCR) * History of non-infectious/immune-checkpoint inhibitor related pneumonitis that required corticosteroids, or current or suspected pneumonitis that cannot be ruled out by imaging at screening. * Anticancer therapies including radiotherapy (with the exception of palliative radiation) chemotherapy or molecularly targeted treatments or tyrosine kinase inhibitors (TKI) within 4 weeks of administration of the first dose of AMG 305; checkpoint inhibitor therapy within 3 months of the first dose of AMG 305; or other immunotherapies/monoclonal antibodies within 3 weeks of administration of the first dose of AMG 305. * Has had a major surgery within 4 weeks of administration of a first dose of study treatment * Autoimmune disorders requiring chronic systemic steroid therapy or any other form of immunosuppressive therapy while on study (eg, ulcerative colitis, Crohn's disease) * Live and/or live-attenuated vaccines received within 28 days (or longer, if required locally) prior to the first dose of AMG 305 * Participants with unresolved toxicities from prior anti-tumor therapies to Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 grade 1 or better, with the exception of alopecia and grade 2 peripheral neuropathy, which has been unchanged within the last 2 months and there is agreement to allow by both the investigator and sponsor * Currently receiving treatment in another investigational device or drug study * Female participants of childbearing potential or male participants unwilling to use protocol specified method of contraception * Females who are pregnant, breastfeeding or who plan to breastfeed or become pregnant while on study * History or evidence of any other clinically significant disorder, condition, or disease (with the exception of those outlined above) that, in the opinion of the investigator or Amgen physician, if consulted, would pose a risk to participant safety or interfere with the study evaluation, procedures or completion
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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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Asan Medical Center
Seoul, 05505, South Korea
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Beatson West of Scotland Cancer Centre
Glasgow, G12 0YN, United Kingdom
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Chris OBrien Lifehouse
Camperdown, New South Wales, 2050, Australia
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Christie Hospital
Manchester, M20 4BX, United Kingdom
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City of Hope National Medical Center
Duarte, California, 91010, United States
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Freeman Hospital
Newcastle, NE7 7DN, United Kingdom
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Gustave Roussy
Villejuif, 94805, France
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Hackensack University Medical Center
Hackensack, New Jersey, 07601, United States
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Hospital Clinic i Provincial de Barcelona
Barcelona, Catalonia, 08036, Spain
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Hospital Universitari Vall d Hebron
Barcelona, Catalonia, 08035, Spain
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Hospital Universitario 12 de Octubre
Madrid, 28041, Spain
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Hospital Universitario Madrid Sanchinarro
Madrid, 28050, Spain
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Institut Universitaire du Cancer Toulouse Oncopole
Toulouse, 31059, France
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National Cancer Center Hospital East
Kashiwa-shi, Chiba, 277-8577, Japan
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New York University Cancer Institute
New York, New York, 10016, United States
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Next Oncology
San Antonio, Texas, 78229, United States
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Peter MacCallum Cancer Centre
Melbourne, Victoria, 3000, Australia
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Princess Margaret Cancer Centre
Toronto, Ontario, M5G 2C1, Canada
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Royal Marsden Hospital
Sutton, SM2 5PT, United Kingdom
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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 Hospital
Seoul, 03080, South Korea
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Thomas Jefferson University
Philadelphia, Pennsylvania, 19107, United States
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Universitaetsklinikum Dresden
Dresden, 01307, Germany
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Universitaetsklinikum Essen
Essen, 45147, Germany
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Universitaetsklinikum Wuerzburg
Würzburg, 97078, Germany
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University College London Hospital
London, W1T 7HA, United Kingdom
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can a Two-Drug combo outsmart advanced cancer?
- Can an experimental pill boost cancer immunotherapy? early trial puts HG146 to the test
- New injectable drug tested for safety in Hard-to-Treat solid tumors
- New antibody drug conjugate tested against advanced cancers