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LY4337713

Phase 1

Ovarian Neoplasms | Small molecule | Oncology |Eli Lilly and Company|Trials Updated: Sep 22, 2026

LY4337713 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Oct 2025

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDBiomarker
Total Trials1
Total Enrollment241

FDA Designations

No designations recorded

LY4337713 clinical trials

LY4337713 · 1 trial · 7 indications

Phase 1 1
NCT07213791A Study of LY4337713 in Participants With FAP-Positive Solid TumorsOvarian Neoplasms
RECRUITING241 Analytics
PHASE1RECRUITING
A Study of LY4337713 in Participants With FAP-Positive Solid Tumors
Ovarian NeoplasmsUnlock trial analytics

Study Endpoints

Primary Endpoints

Phase 1a: Percentage of Participants with Dose Limited Toxicity (DLT) Toxicities
Cycle 1 (28 days)
Phase 1b: Objective Response Rate (ORR): Percentage of Participants with Best Response of Complete Response (CR) or Partial Response (PR)
Baseline through imaging follow-up, up to 5 years

Per investigator assessed Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST 1.1)

Secondary Endpoints

Phase 1a: Absorbed Dose Estimates (Gy) in Normal Organs
Baseline through Cycle 4 Day 4 (Cycle = 4 or 6 weeks)
Phase 1a: Pharmacokinetics (PK): Maximum Concentration (Cmax) of LY4337713
Cycle 1 Day 1 up to Cycle 2 Day 4 post dose (Cycle = 4 or 6 weeks)
Phase 1a: PK: Area Under the Concentration Time Curve (AUC) of LY4337713
Cycle 1 Day 1 up to Cycle 2 Day 4 post dose (Cycle = 4 or 6 weeks)
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
LY4337713 (Cohort A1)EXPERIMENTALEscalating doses of LY4337713 administered intravenously (IV).
LY4337713 (Cohort A2)EXPERIMENTALTwo or more dose regimens of LY4337713 (evaluated during dose escalation) administered IV.
Experimental: LY4337713 (Cohort B)EXPERIMENTALTumor specific cohort will receive LY4337713 administered IV.
Experimental LY4337713 (Cohort C)EXPERIMENTALTumor specific cohort will receive LY4337713 administered IV.
Experimental: LY4337713 (Cohort D)EXPERIMENTALTumor specific cohort will receive LY4337713 administered IV.
LY4337713 (Cohort E)EXPERIMENTALTumor specific cohort will receive LY4337713 administered IV.

Interventions

NameTypeDescription
LY4337713DRUGAdministered IV.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites30

Inclusion Criteria: * Must have clinical or imaging evidence of fibroblast activation protein (FAP) expression per local assessment * Must have histologically or cytologically confirmed diagnosis of one of the following: * Adenocarcinoma of the pancreas * Hormone receptor (HR)-positive human e...

Countries:United StatesChinaGermanyJapanNetherlands
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Recent Changes (Last 90 Days)

LOWSep 22, 2026NCT07213791lastUpdatePostDate: changed
LOWSep 22, 2026NCT07213791lastUpdatePostDate: changed
LOWSep 4, 2026NCT07213791lastUpdatePostDate: changed
LOWSep 4, 2026NCT07213791lastUpdatePostDate: changed
LOWAug 6, 2026NCT07213791lastUpdatePostDate: changed
LOWAug 6, 2026NCT07213791lastUpdatePostDate: changed

Frequently asked questions about LY4337713

What is LY4337713 used for?

LY4337713 is an investigational small molecule being studied for the treatment of ovarian neoplasms and other FAP-positive solid tumors. It is in Phase 1 clinical development and is not yet approved for any indication. Eli Lilly and Company is developing the drug for biomarker-selected cancer patients.

Who makes LY4337713?

LY4337713 is being developed by Eli Lilly and Company, which trades on the New York Stock Exchange under the ticker LLY. Lilly is the sponsor of the ongoing Phase 1 clinical trial evaluating the drug in patients with FAP-positive solid tumors.

What phase is LY4337713 in?

LY4337713 is in Phase 1 clinical development. It is an investigational agent and has not been approved by the FDA or any other regulatory authority. The single ongoing trial is currently recruiting participants.

What clinical trials is LY4337713 in?

LY4337713 is being evaluated in one clinical trial, NCT07213791, titled A Study of LY4337713 in Participants With FAP-Positive Solid Tumors. The trial is recruiting and has an estimated enrollment of 241 participants across the United States, China, Germany, Japan, and the Netherlands.

What cancers is LY4337713 being studied in?

LY4337713 is being studied in FAP-positive solid tumors, including ovarian neoplasms, breast neoplasms, pancreatic intraductal neoplasms, colorectal neoplasms, esophageal neoplasms, stomach neoplasms, and cholangiocarcinoma. The trial enrolls adults aged 18 years and older and selects patients based on a biomarker.