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LY4152199

Phase 1

Lymphoma, Non-Hodgkin | Small molecule | Oncology |Eli Lilly and Company|Trials Updated: Oct 8, 2026

LY4152199 target and mechanism

Molecular targetBAFF-R
Target classReceptor
ModalitySmall molecule

Also known as LY4152199 - IV

Success Probability

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Market & Valuation

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Trial Design

RandomizedCONTROLLED
Total Trials1
Total Enrollment215

FDA Designations

No designations recorded

LY4152199 clinical trials

LY4152199 · 1 trial · 7 indications

Phase 1 1
NCT07101328A Study of LY4152199 in Participants With Previously Treated B-cell Malignancies (BAF_FRontier-1 )Lymphoma, Non-Hodgkin
RECRUITING215 Analytics
PHASE1RECRUITING
A Study of LY4152199 in Participants With Previously Treated B-cell Malignancies (BAF_FRontier-1 )
Lymphoma, Non-HodgkinUnlock trial analytics

Study Endpoints

Primary Endpoints

Phase 1 - Number of Participants with Dose Limiting Toxicities (DLT) of LY4152199
Cycle 1 Day 1 through Cycle 2 Day 8 (35 days)

Secondary Endpoints

Phase 1 - Pharmacokinetics (PK): Area under the Concentration versus Time Curve (AUC) of LY4152199
Baseline up to approximately 91 weeks
Phase 1- PK: Maximum drug Concentration (Cmax) of LY4152199
Baseline up to approximately 91 weeks
Phase 1 - Overall Response Rate (ORR): Percentage of Participants with Best Overall Response (BOR) of Partial Response (PR) or Better.
Baseline up to approximately 4 years until disease progression or start of new anti-cancer therapy
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Phase 1: Dose Escalation (Cohort A) - DLBCL and FLEXPERIMENTALEscalating doses of LY4152199 administered intravenously (IV)
Phase 1: Dose Optimization (Cohort B1) - DLBCLEXPERIMENTALTwo or more doses of LY4152199 (evaluated during dose escalation) administered IV
Phase 1: Dose Optimization (Cohort B2) - FLEXPERIMENTALTwo or more doses of LY4152199 (evaluated during dose escalation) administered IV

Interventions

NameTypeDescription
LY4152199 - IVDRUGAdministered by IV infusion
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites51

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. * Par...

Countries:United StatesAustraliaCanadaDenmarkFranceGermanyItalyJapanPolandSouth KoreaSpainUnited Kingdom
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Recent Changes (Last 90 Days)

LOWOct 8, 2026NCT07101328lastUpdatePostDate: changed
LOWOct 8, 2026NCT07101328lastUpdatePostDate: changed
LOWSep 22, 2026NCT07101328lastUpdatePostDate: changed
LOWSep 22, 2026NCT07101328lastUpdatePostDate: changed
LOWSep 8, 2026NCT07101328lastUpdatePostDate: changed
LOWSep 8, 2026NCT07101328lastUpdatePostDate: changed
LOWAug 21, 2026NCT07101328lastUpdatePostDate: changed
LOWAug 21, 2026NCT07101328lastUpdatePostDate: changed

Frequently asked questions about LY4152199

What is LY4152199 used for?

LY4152199 is an investigational small molecule being developed for the treatment of non-Hodgkin lymphoma, including B-cell lymphoma, diffuse large B-cell lymphoma, follicular lymphoma, marginal zone lymphoma, Waldenstrom macroglobulinemia, and mantle cell lymphoma. It is currently in Phase 1 clinical development and has not been approved by regulatory authorities.

What does LY4152199 target?

LY4152199 targets BAFF-R, a receptor involved in B-cell survival and maturation. By modulating this receptor, the drug is designed to address B-cell malignancies such as non-Hodgkin lymphoma. The drug is a small molecule, and its mechanism of action is being evaluated in early-stage clinical trials.

Who makes LY4152199?

LY4152199 is being developed by Eli Lilly and Company, a biopharmaceutical company listed on the stock exchange under the ticker LLY. The company is conducting a Phase 1 clinical trial to evaluate the drug in participants with previously treated B-cell malignancies.

What phase is LY4152199 in?

LY4152199 is in Phase 1 clinical development. It is an investigational drug and has not received regulatory approval. The drug is being studied in a Phase 1 trial that is currently recruiting participants with previously treated B-cell malignancies, including various types of non-Hodgkin lymphoma.

What clinical trials is LY4152199 in?

LY4152199 is being evaluated in a Phase 1 clinical trial with the identifier NCT07101328, titled 'A Study of LY4152199 in Participants With Previously Treated B-cell Malignancies (BAF_FRontier-1)'. This trial is actively recruiting up to 215 participants across multiple countries, including the United States, Australia, Canada, and several European and Asian nations.

Is LY4152199 the same as LY4152199 - IV?

Yes, LY4152199 is also known as LY4152199 - IV, which refers to the intravenous formulation of the drug. This alternative name is used in clinical contexts to specify the route of administration. The drug is being studied in an intravenous form in the ongoing Phase 1 trial for non-Hodgkin lymphoma.