Status:

RECRUITING

A Study of LY4337713 in Participants With FAP-Positive Solid Tumors

Lead Sponsor:

Eli Lilly and Company

Conditions:

Ovarian Neoplasms

Breast Neoplasms

Eligibility:

All Genders

18+ years

Phase:

PHASE1

Brief Summary

This is a study of LY4337713 in participants with certain types of cancer that is advanced or has spread. Participants must have cancer with high levels of a protein called fibroblast activation prote...

Eligibility Criteria

Inclusion

  • 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 epidermal growth factor 2 (HER2)-negative breast cancer
  • HER2-positive breast cancer
  • Triple negative breast cancer (TNBC)
  • Platinum-resistant or refractory ovarian cancer
  • Other solid tumors
  • Gastric cancer (adenocarcinoma)
  • Colorectal cancer (CRC)
  • Esophageal cancer (squamous cell carcinoma or adenocarcinoma)
  • Cholangiocarcinoma
  • Must have received prior treatments as indicated below:
  • Phase 1a
  • Adenocarcinoma of the pancreas: Participants must have progressed after at least 1, but no more than 2 prior regimens for locally advanced unresectable or metastatic disease.
  • HR-positive HER2-negative breast cancer: Participants must have received less than or equal to (≤)5 prior lines of treatment for advanced or metastatic disease, which must include a cyclin-dependent kinase 4/6 inhibitor.
  • HER2-positive breast cancer: Participants must have progressed on at least 2 lines of HER2-targeted therapy, which should include at least 1 antibody-drug conjugate (ADC) for metastatic disease (if locally available).
  • TNBC: Participants must have progressed on at least 2 lines of therapy for metastatic disease.
  • Platinum-resistant or refractory ovarian cancer: Participants must have progressed on or after at least 1 platinum-based therapy.
  • Other solid tumors (gastric cancer, CRC, esophageal and cholangiocarcinoma): Participants must have received greater than or equal to (≥)1 prior line of systemic therapy for advanced or metastatic disease; including prior line(s) in combination with immunotherapy or vascular endothelial growth factor inhibitor.
  • Phase 1b:
  • Participants must have advanced or metastatic solid tumors and have received ≥1 prior line of therapy.
  • Must have an Eastern Cooperative Oncology Group Performance Status (ECOG PS) of 0 to 1.
  • Measured creatinine clearance ≥60 milliliters per minute (mL/min)

Exclusion

  • Have known active central nervous system (CNS) metastases or carcinomatous meningitis.
  • Have history of Grade 4 myelosuppression lasting greater than (\>)7 days, or Grade 3 myelosuppression requiring more than 6 weeks recovery.
  • Have significant cardiovascular disease
  • Have prolongation of the corrected QTcF \>470 milliseconds (msec) during screening. QTcF is calculated using Fridericia's Formula: QTcF = QT/(RR0.33)
  • Have evidence of ongoing and untreated urinary tract obstruction
  • Had previous hemi- or total-body radiation.
  • Had previous adoptive T-cell therapy (e.g., chimeric antigen receptor T-cell \[CAR-T therapy, T-cell receptor \[TCR\] therapy, etc.)
  • Unable to lie flat during, or otherwise tolerate, single photon emission computed tomography (SPECT), positron emission tomography (PET), computed tomography (CT) or magnetic resonance imaging (MRI).

Key Trial Info

Start Date :

October 22 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

March 1 2033

Estimated Enrollment :

241 Patients enrolled

Trial Details

Trial ID

NCT07213791

Start Date

October 22 2025

End Date

March 1 2033

Last Update

December 30 2025

Active Locations (23)

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Page 1 of 6 (23 locations)

1

Hoag Memorial Hospital Presbyterian

Newport Beach, California, United States, 92663

2

Stanford University Medical Center

Stanford, California, United States, 94305

3

Biogenix Molecular, LLC

Miami, Florida, United States, 33165

4

Indiana University (IU) School of Medicine

Indianapolis, Indiana, United States, 46202