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Clinical Trials List

Protocol NumberJ2J-MC-JZLA
NCT Number(ClinicalTrials.gov Identfier)NCT04188548
Completed

2020-12-01 - 2025-12-31

Phase I

Recruiting7

ICD-10C50.911

Malignant neoplasm of unspecified site of right female breast

ICD-10C50.912

Malignant neoplasm of unspecified site of left female breast

ICD-10C50.919

Malignant neoplasm of unspecified site of unspecified female breast

ICD-10Z51.12

Encounter for antineoplastic immunotherapy

ICD-9174.9

Malignant neoplasm of female breast, unspecified

EMBER: A Phase 1a/1b Study of LY3484356 Administered as Monotherapy and in Combination With Anticancer Therapies for Patients With ER+ Locally Advanced or Metastatic Breast Cancer and Other Select Non-Breast Cancers

  • Trial Applicant

    ELI LILLY AND COMPANY(TAIWAN), INC.

  • Sponsor

    Eli Lilly and Company

  • Trial scale

    Multi-Regional Multi-Center

  • Update

    2026/02/01

Investigators and Locations

Principal Investigator HWEI-CHUNG WANG Division of General Surgery

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Ta-Chung Chao Division of Hematology & Oncology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Kuo-Ting Lee Division of General Surgery

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator 張源清 Division of General Surgery

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator YEN-SHEN LU Division of Hematology & Oncology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Ming-Feng Hou Division of General Surgery

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Audit

None

Principal Investigator 張源清 Division of General Surgery

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Condition/Disease

ER+ Locally Advanced or Metastatic Breast Cancer and Other Select Non-Breast Cancers

Objectives

To identify the RP2D of LY3484356 administered as monotherapy and in combination with other anticancer therapies in patients with locally advanced or metastatic ER+ breast cancer and ER+ recurrent, persistent, or metastatic EEC To assess the safety and tolerability of LY3484356 administered as monotherapy and in combination with other anticancer therapies in patients with locally advanced or metastatic ER+ breast cancer and ER+ recurrent, persistent, or metastatic EEC

Test Drug

LY3484356

Active Ingredient

LY3484356

Dosage Form

tablet

Dosage

200

Endpoints

Primary:
Number of Participants with Dose Limiting Toxicities (DLTs) and DLT-Equivalent Toxicities [ Time Frame: Baseline through Cycle 1 (21/28 Day Cycle) ]
Number of Participants with DLTs and DLT-Equivalent Toxicities

Secondary:
Pharmacokinetics (PK): Area Under the Concentration Time Curve (AUC) of LY3484356 [ Time Frame: Predose Cycle 1 Day 1 through Predose Cycle 2 Day 1 (21/28 Day Cycles) ]
PK: AUC of LY3484356

PK: Maximum Concentration (Cmax) of LY3484356 [ Time Frame: Predose Cycle 1 Day 1 through Predose Cycle 2 Day 1 (21/28 Day Cycles) ]
PK: Cmax of LY3484356

PK: AUC of LY3484356 in Combination with Other Anticancer Therapies [ Time Frame: Predose Cycle 1 Day 1 through Predose Cycle 2 Day 1 (21/28 Day Cycles) ]
PK: AUC of LY3484356 in Combination with Other Anticancer Therapies

PK: Cmax of LY3484356 in Combination with Other Anticancer Therapies [ Time Frame: Predose Cycle 1 Day 1 through Predose Cycle 2 Day 1 (21/28 Day Cycles) ]
PK: Cmax of LY3484356 in Combination with Other Anticancer Therapies

Overall Response Rate (ORR): Percentage of Participants with Confirmed Complete Response (CR) or Partial Response (PR) as per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 [ Time Frame: Baseline through Disease Progression or Death (Estimated up to 28 Months) ]
ORR: Percentage of Participants with Confirmed CR or PR as per RECIST v1.1

Duration of Response (DoR): Time From the Date of First Evidence of CR, PR (per RESIST v1.1) to the Date of Objective Progression or Death Due to Any Cause, Whichever is Earlier [ Time Frame: Date of CR or PR to Date of Objective Disease Progression or Death Due to Any Cause (Estimated up to 28 Months) ]
DoR: Time From the Date of First Evidence of CR, PR (per RESIST v1.1) to the Date of Objective Progression or Death Due to Any Cause, Whichever is Earlier

Disease Control Rate (DCR): Percentage of Participants with a Best Overall Response (BOR) of CR, PR, and Stable Disease (SD) as per RECIST v1.1 [ Time Frame: Baseline through Measured Progressive Disease (Estimated up to 28 Months) ]
DCR: Percentage of Participants with a BOR of CR, PR, and SD as per RECIST v1.1

Clinical Benefit Rate (CBR): Percentage of Participants with a BOR of CR or PR, or SD lasting ≥24 weeks as per RECIST v1.1 [ Time Frame: Baseline through Measured Progressive Disease (Estimated up to 28 Months) ]
CBR: Percentage of Participants with a BOR of CR or PR, or SD lasting ≥24 weeks as per RECIST v1.1

Progression Free Survival (PFS): Time From Baseline to the Date of Objective Progression or Death Due to Any Cause, Whichever is Earlier [ Time Frame: Baseline to Objective Progression or Death Due to Any Cause (Estimated up to 28 Months) ]
PFS: Time From Baseline to the Date of Objective Progression or Death Due to Any Cause, Whichever is Earlier

Inclution Criteria

Inclusion Criteria:
All study parts:
• Participants must be willing to provide adequate archival tissue sample
• Participants must be willing to use highly effective birth control
• Participants must have adequate organ function
• Participants must be able to swallow capsules
Dose escalation- Participants must have one of the following:
• Parts A and B: ER+ HER2- breast cancer with evidence of locally advanced unresectable or metastatic disease who have had the following:
• Part A: may have had up to 1 prior regimen of any kind for in the advanced/metastatic setting and no prior cyclin-dependent kinase 4/6 (CDK4/6) inhibitor therapy.
• Part B: may have had up to 2 prior regimens, no more than 1 of which may be endocrine therapy in the advanced/metastatic setting, and must have received a prior CDK4/6 inhibitor
• Cohort E4: No prior everolimus.
• Cohort E5: No prior alpelisib and must have a phosphatidylinositol 3-kinase catalytic α (PIK3Cα) mutation as determined by local testing.
• Part C: ER+, human epidermal growth factor receptor 2 positive (HER2+) breast cancer with evidence of locally advanced unresectable or metastatic disease who have had at least 2 HER2-directed therapies for advanced disease and prior trastuzumab, pertuzumab, and TDM-1 required in any setting.
• Part D: ER+, EEC that has progressed after platinum containing chemotherapy and no prior fulvestrant or aromatase inhibitor therapy.
Participants with ER+/HER2- breast cancer enrolled in this study must have had evidence of clinical benefit while on endocrine therapy for at least 24 months in the adjuvant setting or at least 6 months in the advanced/metastatic setting or have untreated de novo metastatic breast cancer

Exclusion Criteria

Exclusion Criteria:
• Participants must not have certain infections such as hepatitis or tuberculosis or HIV that are not well controlled
• Participants must not have another serious medical condition
• Participants must not have cancer of the central nervous system that is unstable
• Participants must not be pregnant or breastfeeding

The Estimated Number of Participants

  • Taiwan

    60 participants

  • Global

    360 participants