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New drug takes aim at Hard-to-Treat blood cancers
NCT ID NCT07101328
First seen Jun 25, 2026 · Last updated Sep 09, 2026 · Updated 5 times
Summary
This early-stage trial tests a new drug called LY4152199 in about 215 adults with certain types of blood cancer (like follicular lymphoma or diffuse large B-cell lymphoma) that have already been treated. The drug is designed to help the body's immune cells attack the cancer. The main goals are to find a safe dose and to see if the drug can shrink tumors. Participants may continue treatment as long as they benefit.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- LY4152199 (a drug that helps immune cells attack cancer cells)
- What this could lead to
- If it works, this could point toward a new treatment option for people with certain types of blood cancer that have not responded to other therapies.
- What could go wrong
- This is a very early (Phase 1) trial, so the main goal is safety, not proof of effectiveness. The drug may not work or could cause serious side effects.
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
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 215 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Sep 2029
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: * Must have a diagnosis of either follicular lymphoma or diffuse large B-cell lymphoma. * Must have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. * Estimated life expectancy of greater than or equal to (≥)12 weeks as judged by the Investigator. * Participants with select tumor types must have measurable or assessable disease as defined below: * Participants with lymphoma must have at least 1 bi-dimensionally measurable lesion or in the absence of measurable lymphadenopathy, documentation of bone marrow involvement. * Participants with Waldenstrom macroglobulinemia (WM) must have measurable disease, defined as the presence of serum IgM with a minimum IgM level of greater than (\>)2 times (×) upper limit of normal (ULN) based on local laboratory testing. * Must be able to comply with inpatient/outpatient treatment, laboratory monitoring, and required clinic visits for the duration of trial participation. * Must have adequate organ function. Phase 1 Dose Escalation (Cohort A) Participants - Must have histologically confirmed relapsed/refractory B-cell malignancy. Phase 1 Dose Optimization (Cohort B) Participants \- Must have histologically confirmed relapsed/refractory diffuse large B-cell lymphoma (DLBCL) de novo or transformed from follicular lymphoma (FL). Exclusion Criteria: All Participants * Known or suspected peripheral blood involvement by malignant cells with an absolute lymphocyte count of greater than or equal to (≥) 5000 cells per microliter (μL). * Known or suspected central nervous system (CNS) involvement by systemic lymphoma. * Current or history of CNS disease, such as stroke, epilepsy, CNS vasculitis, or neurodegenerative disease * Any unresolved toxicities from prior therapy greater than National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 Grade 2 at the time of starting trial treatment except for alopecia. * Autologous stem cell transplantation within 100 days of this study for post autologous transplant individuals. * Residual symptoms of neurotoxicity or cytopenias from prior chimeric antigen receptor T-cell therapy (CAR-T) or bispecifics. Exception: Cytopenia related to prior CAR-T or bispecifics allowed if they meet the adequate organ function criteria. * Known or suspected history of macrophage activation syndrome or hemophagocytic lymphohistiocytosis (HLH). * Active second malignancies, unless in remission, with life expectancy greater than 2 years with Sponsor approval. * History of autoimmune disease * Significant cardiovascular disease * Active uncontrolled systemic bacterial, viral, fungal, or parasitic infection (except for fungal nail infection), or other clinically significant active disease process * Vaccination with a live vaccine within 4 weeks prior to signing informed consent form (ICF). * Have current or had a history of severe allergic or anaphylactic reactions to monoclonal antibody therapy (or recombinant antibody-related fusion proteins). * Prior treatment with B-cell activating factor receptor (BAFF-R) directed therapies (e.g., monoclonal antibody, CAR-T or bispecific antibody). * Pregnant and/or planning to breastfeed during the trial or within 90 days of the last dose of study intervention. * Known hypersensitivity to any component or excipient of LY4152199.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
51 sites in 12 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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AIDPORT Sp. z o.o.
NOT_YET_RECRUITINGSkorzewo, 60-185, Poland
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AP-HP Hopital Saint-Louis
NOT_YET_RECRUITINGParis, 75010, France
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Aarhus University Hospital
NOT_YET_RECRUITINGAarhus, N 8200, Denmark
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Asan Medical Center
NOT_YET_RECRUITINGSeoul, 05505, South Korea
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BC Cancer - Vancouver
NOT_YET_RECRUITINGVancouver, V5Z 1L3, Canada
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CHU de Lille - Hopital Claude Huriez
NOT_YET_RECRUITINGLille, 59037, France
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Center for Cancer and Organ Diseases - Rigshospitalet
NOT_YET_RECRUITINGCopenhagen, 2100, Denmark
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Charite Universitaetsmedizin Berlin
NOT_YET_RECRUITINGBerlin, 10117, Germany
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City of Hope
RECRUITINGDuarte, California, 91010, United States
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Cleveland Clinic
RECRUITINGCleveland, Ohio, 44195, United States
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Colorado Blood Cancer Institute
RECRUITINGDenver, Colorado, 80218, United States
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Dana-Farber Cancer Institute
NOT_YET_RECRUITINGBoston, Massachusetts, 02215, United States
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David H. Koch Center for Cancer Care at Memorial Sloan Kettering Cancer Center
RECRUITINGNew York, New York, 10065, United States
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Froedtert Hospital and the Medical College of Wisconsin
RECRUITINGMilwaukee, Wisconsin, 53226, United States
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Hospital Universitario Vall d'Hebron
NOT_YET_RECRUITINGBarcelona, 08035, Spain
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IRCCS Azienda Ospedaliero-Universitaria di Bologna - Policlinico di Sant Orsola
NOT_YET_RECRUITINGBologna, 40138, Italy
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Institut Catala d'Oncologia - L'Hospitalet
NOT_YET_RECRUITINGBarcelona, 08908, Spain
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Intermountain Healthcare
NOT_YET_RECRUITINGSalt Lake City, Utah, 84111, United States
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Istituto Clinico Humanitas
NOT_YET_RECRUITINGRozzano, 20089, Italy
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Istituto Nazionale Tumori IRCCS Fondazione G. Pascale
NOT_YET_RECRUITINGNaples, 80131, Italy
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LMU Klinikum Muenchen-Campus Grosshadern
NOT_YET_RECRUITINGMünchen, 80336, Germany
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Lady Davis Institute for Medical Research Jewish General Hospital
NOT_YET_RECRUITINGMontreal, H3T 1E2, Canada
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Leeds Teaching Hospitals NHS Trust
NOT_YET_RECRUITINGLeeds, LS9 7TF, United Kingdom
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Linear Clinical Research
NOT_YET_RECRUITINGNedlands, 6009, Australia
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MD Anderson Cancer Center
RECRUITINGHouston, Texas, 77030, United States
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Massachusetts General Hospital
RECRUITINGBoston, Massachusetts, 02114, United States
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Mayo Clinic - Rochester
RECRUITINGRochester, Minnesota, 55905, United States
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National Cancer Center Hospital
NOT_YET_RECRUITINGTokyo, 104-0045, Japan
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National Cancer Center Hospital East
NOT_YET_RECRUITINGChiba, 277-8577, Japan
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New York University (NYU) Clinical Cancer Center
RECRUITINGNew York, New York, 10016, United States
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Okayama University Hospital
RECRUITINGOkayama, 700-8558,, Japan
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Oxford University Hospitals NHS Foundation Trust
NOT_YET_RECRUITINGOxford, OX3 9DU, United Kingdom
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Pratia MCM Krakow
NOT_YET_RECRUITINGKrakow, 30-727, Poland
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Rutgers Cancer Institute of New Jersey
NOT_YET_RECRUITINGNew Brunswick, New Jersey, 08901, United States
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SCRI Oncology Partners
RECRUITINGNashville, Tennessee, 37203, United States
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Seoul National University Hospital
NOT_YET_RECRUITINGSeoul, 03080, South Korea
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South Texas Accelerated Research Therapeutics (START) Madrid - Hospital Fundacion Jimenez Diaz
NOT_YET_RECRUITINGMadrid, 28040, Spain
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Swedish Cancer Institute (SCI)
RECRUITINGSeattle, Washington, 98104, United States
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The Alfred Hospital
NOT_YET_RECRUITINGMelbourne, VIC, 3004, Australia
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The Cancer Institute Hospital of JFCR
RECRUITINGTokyo, 135-8550, Japan
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The University of Chicago Medical Center (UCMC)
RECRUITINGChicago, Illinois, 60637, United States
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Universitaetsklinikum Muenster
NOT_YET_RECRUITINGMünster, 48149, Germany
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University Health Network (UHN) - Princess Margaret Cancer Centre
NOT_YET_RECRUITINGToronto, M5G 1Z5, Canada
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University of Colorado Denver - School of Medicine - Anschutz Medical Campus
RECRUITINGAurora, Colorado, 80045-2559, United States
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University of Iowa
RECRUITINGIowa City, Iowa, 52242, United States
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University of Kansas Cancer Center
RECRUITINGKansas City, Kansas, 66160, United States
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University of Michigan Comprehensive Cancer Center
RECRUITINGAnn Arbor, Michigan, 48109, United States
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University of Pennsylvania Abramson Cancer Center
RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
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University of Texas Southwestern
RECRUITINGDallas, Texas, 75244, United States
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Weill Cornell Medicine
RECRUITINGNew York, New York, 10021, United States
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Yale University School of Medicine - Yale Cancer Center
RECRUITINGNew Haven, Connecticut, 06520-8028, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Tweaking donor cells may shield older transplant patients from a dangerous complication
- Can a Nine-Week group program help blood cancer patients grow through trauma?
- Which lymphoma drug combo works best? a new study aims to find out
- Can engineered immune cells beat tough B-Cell cancers?
- Can a single injection create Cancer-Fighting cells inside the body?
- Can a radioactive drug outperform standard therapy in waldenstrom macroglobulinemia?