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Clinical Trials List

Protocol NumberGS-US-598-6168
NCT Number(ClinicalTrials.gov Identfier)NCT05840211

2023-06-30 - 2029-02-28

Phase III

Not yet recruiting10

A Randomized, Open-label, Phase 3 Study of Sacituzumab Govitecan Versus Treatment of Physician's Choice in Patients With Hormone Receptor-Positive (HR+)/Human Epidermal Growth Factor Receptor 2 Negative (HER2-) (HER2 IHC0 or HER2-low [IHC 1+, IHC 2+/ISH-]) Inoperable, Locally Advanced, or Metastatic Breast Cancer and Have Received Endocrine Therapy

  • Trial Applicant

    GILEAD SCIENCES HONG KONG LIMITED

  • Sponsor

  • Trial scale

    Multi-Regional Multi-Center

  • Update

    2025/08/20

Investigators and Locations

Principal Investigator 戴明燊

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator Shang-Wen Chen

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator YEN-SHEN LU

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator Ling-Ming Tseng

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator 鍾奇峰

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Principal Investigator Wei-Pang Chung Division of General Internal Medicine

The Actual Total Number of Participants Enrolled

0 Not yet recruiting

Condition/Disease

Locally Advanced or Unresectable Metastatic Breast Cancer 、Stage IV Breast Cancer

Objectives

Primary objective: To compare the impact of sacituzumab govitecan (SG) versus Treatment of Physician’s Choice (TPC) on progression-free survival (PFS) Key secondary objectives: Compare the performance of SG relative to TPC on: — Overall survival (OS) — Objective response rate (ORR) — Changes in overall health status/quality of life (QoL) in physical functioning domains measured by the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire version 3.0 (EORTC QLQ-C30) since the baseline period and Time to Deterioration, TTD)

Test Drug

Trodelvy

Active Ingredient

sacituzumab govitecan

Dosage Form

TRODELVY for Injection

Dosage

如計劃書

Endpoints

PFS is defined as the date of first objective disease progression (PD) or death from any cause as assessed by Blinded Independent Central Review (BICR) according to Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1) from the date of randomization. Time (whichever occurs first)

Inclution Criteria

Key Inclusion Criteria:

Able to understand and give written informed consent.
Must have adequate tumor tissue sample preferably from locally recurrent or metastatic site.
Documented evidence of HR+ metastatic breast cancer (mBC) confirmed with the most recently available tumor biopsy preferably from a locally recurrent or metastatic site.
Documented evidence of HER2- status.
Documented PD by computed tomography (CT) or magnetic resonance imaging during or after the most recent therapy per RECIST v1.1 criteria.
Candidate for the first chemotherapy in the locally advanced or metastatic setting.
Eligible for capecitabine, nab-paclitaxel, or paclitaxel.
Individuals must have at least one of the following:

Disease progression on at least 2 or more previous lines of endocrine therapy (ET) with or without a targeted therapy in the metastatic setting.

Disease recurrence while on the first 24 months of starting adjuvant ET will be considered a line of therapy; these individuals will only require 1 line of ET in the metastatic setting.
Disease progression within 6 months of starting first-line ET with or without a cyclin-dependent kinase (CDK) 4/6 inhibitor (if ineligible or if unable to access a CDK 4/6 inhibitor) in the metastatic setting.
Disease recurrence while on the first 24 months of starting adjuvant ET with CDK 4/6 inhibitor and if the individual is no longer a candidate for additional ET in the metastatic setting.
Individuals may have received prior targeted therapies, including but not limited to PARP inhibitors (for those with germline BRCA1 or BRCA2 mutations), phosphatidylinositol 3-kinase (PI3K) inhibitors (for those with PIK3CA mutations), or mammalian target of rapamycin (mTOR) inhibitors. However, individuals can no longer be candidates for additional endocrine treatment with or without targeted therapies.
Individuals with HIV must be on antiretroviral therapy (ART) and have a well-controlled HIV infection/disease.
Demonstrates adequate organ function.
Male individuals and female individuals of childbearing potential who engage in heterosexual intercourse must agree to use protocol-specified method(s) of contraception.
Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.

Exclusion Criteria

Key Exclusion Criteria:

Progressive disease within 6 months of completing (neo)adjuvant chemotherapy.
Locally advanced metastatic breast cancer (mBC) (Stage IIIc) in individuals who are candidates for curative intent therapy at the time of study enrollment.
Current enrollment in another clinical study and use of any investigational device or drug (drugs not marketed for any indication) either within 5 half-lives or 28 days prior to randomization, whichever is longer.

Use of investigational drugs in the category of Selective Estrogen Receptor Degraders are acceptable if last dose was longer than 14 days prior to randomization.
Received any prior treatment (including antibody-drug conjugate (ADC)) containing a chemotherapeutic agent targeting topoisomerase I.
Received any prior treatment with a trophoblast cell-surface antigen 2 (Trop-2)-directed ADC.
Have an active second malignancy.
Have an active serious infection requiring antibiotics.
Have active hepatitis B virus (HBV) or hepatitis C virus (HCV).
Individuals positive for human immunodeficiency virus type 1/2 (HIV-1 or -2) with a history of Kaposi sarcoma and/or Multicentric Castleman Disease.
Have a positive serum pregnancy test or are breastfeeding for individuals who are assigned female at birth.

The Estimated Number of Participants

  • Taiwan

    90 participants

  • Global

    654 participants