New antibody combo shows promise in early cancer trial
NCT ID NCT03917381
First seen Jun 26, 2026 · Last updated Sep 10, 2026 · Updated 5 times
Summary
This trial tests a new antibody called acasunlimab, alone or with other cancer drugs, in people with advanced solid tumors that have not responded to standard treatments. The study has two parts: first to find safe doses, then to see how well those doses work. About 429 participants will receive the drug; no one gets a placebo.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Acasunlimab (also known as GEN1046), an antibody given alone or with docetaxel or pembrolizumab
- What this could lead to
- If it works, this could point toward a new treatment option for certain advanced solid tumors that have stopped responding to standard therapy.
- What could go wrong
- This is an early-phase trial (Phase 1/2) focused on safety and dosing, not yet on effectiveness. The drug may not shrink tumors or may cause side effects. Results may not apply to all cancer types.
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 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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429 people
The number who actually took part.
- Started
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May 2019
- Finished
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Aug 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
-
18 years and older
- Sex
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Anyone
- Healthy volunteers
-
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: For Dose Escalation: • Have a histologically or cytologically confirmed non-CNS solid tumor that is metastatic or unresectable and for whom there is no available standard therapy For Expansion: • Have histologically or cytological confirmed diagnosis of relapsed or refractory, advanced and/or metastatic NSCLC, EC, UC, TNBC, SCCHN, or cervical cancer who are not anymore candidates for standard therapy For separate expansion cohorts: metastatic NSCLC without prior systemic treatment regimens for metastatic disease. For Both Dose Escalation and Expansion * Have measurable disease according to RECIST 1.1 * Have Eastern Cooperative Oncology Group (ECOG) 0-1 * Have an acceptable hematological status * Have acceptable liver function * Have an acceptable coagulation status * Have acceptable renal function Key Exclusion Criteria: * Have uncontrolled intercurrent illness, including but not limited to: * Ongoing or active infection requiring intravenous treatment with anti-infective therapy, or any ongoing systemic inflammatory condition requiring further diagnostic work-up or management during screening. * Symptomatic congestive heart failure (Grade III or IV as classified by the New York Heart Association), unstable angina pectoris or cardiac arrhythmia * Uncontrolled hypertension defined as systolic blood pressure ≥ 160 mmHg and/or diastolic blood pressure ≥ 100 mmHg, despite optimal medical management * Ongoing or recent evidence of autoimmune disease * History of irAEs that led to prior checkpoint treatment discontinuation * Prior history of myositis, Guillain-Barré syndrome, or myasthenia gravis of any grade * History of chronic liver disease or evidence of hepatic cirrhosis * History of non-infectious pneumonitis that has required steroids or currently has pneumonitis * History of organ allograft (except for corneal transplant) or autologous or allogeneic bone marrow transplant, or stem cell rescue within 3 months prior to the first dose of acasunlimab * Serious, non-healing wound, skin ulcer (of any grade), or bone fracture * Any history of intracerebral arteriovenous malformation, cerebral aneurysm, new (younger than 6 months) or progressive brain metastases or stroke * Prior therapy: * Radiotherapy within 14 days prior to first dose of acasunlimab. Note: palliative radiotherapy will be allowed. * Treatment with an anti-cancer agent (within 28 days or after at least 5 half-lives of the drug, whichever is shorter), prior to acasunlimab administration. Accepted exceptions are bisphosphonates (e.g., pamidronate, zoledronic acid, etc.) and denosumab * Toxicities from previous anti-cancer therapies that have not adequately resolved NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.
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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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ARENSIA Exploratory Medicine LLC
Kyiv, Ukraine
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ASST Sette Laghi "Ospedale di Circolo e Fondazione Macchi "
Varese, Italy
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AUSL Romagno-Ravenna
Ravenna, Italy
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Azienda Ospedaliero Universitaria di Parma
Parma, Italy
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BKMK Hospital
Kecskemét, Hungary
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Clinica Universidad de Navarra
Pamplona, 31008, Spain
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Dom Lekarski SA
Szczecin, Poland
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Emory University
Atlanta, Georgia, 30322, United States
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Fakultni nemocnice Brno
Brno, Czechia
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Fakultni nemocnice Olomouc
Olomouc, Czechia
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Gulhane Training and Research Hospital
Ankara, Turkey (Türkiye)
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Hadassah Medical Organization HMO - Sharett Institute of Oncology
Jerusalem, 12000, Israel
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High Technology Hospital Medcenter
Batumi, Georgia
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Hospital Clinico De Valencia
Valencia, 46010, Spain
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Hospital Universitario 12 de Octubre
Madrid, 28041, Spain
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Hospital Universitario La Princesa
Madrid, Spain
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Hospital Universitario Vall dHebron
Barcelona, 08035, Spain
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Hospital Universitario Virgen de la Victoria
Málaga, Spain
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IOB-Hospital Quironsalud Barcelona
Barcelona, 8023, Spain
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IRCCS - Istituto Europeo di Oncologia IEO
Milan, Italy
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Istituto Nazionale Tumori - Fondazione Pascale Italy
Naples, Italy
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LLC "TIM - Tbilisi Institute of Medicine"
Tbilisi, Georgia
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LTD Consilium Medulla
Tbilisi, Georgia
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Levine Cancer Institute, Atrium Health
Charlotte, North Carolina, 28204, United States
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MD Anderson Cancer Center Madrid
Madrid, Spain
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Maria Sklodowska Curie National Research Instutute of Oncology
Warsaw, Poland
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Mayo Clinic
Phoenix, Arizona, 85054, United States
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Mayo Clinic
Jacksonville, Florida, 32224, United States
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Mayo Clinic
Rochester, Minnesota, 55905, United States
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Medical Point Izmir Hospital
Cordaleo, Turkey (Türkiye)
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Medpolonia Sp. z o.o.
Poznan, Poland
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NEXT Oncology Madrid
Madrid, 28223, Spain
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NYU Langone
New York, New York, 10016, United States
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Nemocnice AGEL Ostrava-Vítkovice a.s.
Nový Jičín, Czechia
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Norton Healthcare Inc
Louisville, Kentucky, 40202, United States
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Onkologiai Klinika
Debrecen, Hungary
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Policlinico San'Orsola
Bologna, Italy
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Policlinico Uni. Campus Bio-Medico
Roma, Italy
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Pulmonology Hospital Törökbálinti
Törökbálint, Hungary
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Rambam Health Care Campus RHCC - Rambam Medical Center
Haifa, Israel
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Regina Elena National Cancer Institute
Rome, Italy
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START Madrid-CIOCC
Madrid, 28050, Spain
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START Madrid-FJD, Hospital Fundación Jiménez Díaz
Madrid, 28040, Spain
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START Midwest
Grand Rapids, Michigan, 49546, United States
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Sheba Medical Center, Ramat Gan
Tel Litwinsky, 52621, Israel
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Specialist Hospital in Prabuty
Prabuty, Poland
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Tbilisi State Medical University and Ingorovka High Medical Technology University Clinic Ltd
Tbilisi, Georgia
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Tel Aviv Sourasky Medical Center
Tel Aviv, 64239, Israel
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Trakya University Hospital
Edirne, Turkey (Türkiye)
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UNC Chapel Hill
Chapel Hill, North Carolina, 27514, United States
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University Hospital Brno
Brno, Czechia
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University Hospitals Cleveland Medical Center
Cleveland, Ohio, 44106, United States
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University of Iowa Hospitals
Iowa City, Iowa, 52242, United States
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University of Michigan
Ann Arbor, Michigan, 48109, United States
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Uniwersyteckie Centrum Kliniczne
Gdansk, Poland
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Washington University School of Medicine
St Louis, Missouri, 63110, United States
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Yale University Cancer Center
New Haven, Connecticut, 06520-8028, United States
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