A Phase III Trial Comparing HRS-8080 With Standard Endocrine Therapy in Postmenopausal Women With High-Risk Early Breast Cancer

NCT ID: NCT07349069

Last Updated: 2026-01-16

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

PHASE3

Total Enrollment

4800 participants

Study Classification

INTERVENTIONAL

Study Start Date

2026-01-31

Study Completion Date

2034-01-31

Brief Summary

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The study is being conducted to evaluate the efficacy and safety of HRS-8080 in postmenopausal women with high-risk early breast cancer.

Detailed Description

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Conditions

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Breast Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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HRS-8080 Group

HRS-8080 tablets group.

Group Type EXPERIMENTAL

HRS-8080 Tablets

Intervention Type DRUG

HRS-8080 tablets.

Letrozole or Tamoxifen Citrate Group

Letrozole tablets or Tamoxifen Citrate tablets group.

Group Type ACTIVE_COMPARATOR

Letrozole tablets

Intervention Type DRUG

Letrozole tablets.

Tamoxifen Citrate Tablets

Intervention Type DRUG

Tamoxifen Citrate tablets.

Interventions

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HRS-8080 Tablets

HRS-8080 tablets.

Intervention Type DRUG

Letrozole tablets

Letrozole tablets.

Intervention Type DRUG

Tamoxifen Citrate Tablets

Tamoxifen Citrate tablets.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Female patients aged ≥ 18 and ≤ 75 years with clinical stage II-III disease. Premenopausal patients must be willing to receive LHRH agonist therapy during the study period.
2. Histologically confirmed invasive breast cancer by postoperative pathology, having received at least 2 years, but no more than 5 years, of adjuvant endocrine therapy.
3. No evidence of recurrent or metastatic disease after surgery.
4. ECOG performance status of 0 or 1.
5. Adequate organ and bone marrow function.
6. Women of childbearing potential must have a negative serum pregnancy test within 7 days prior to randomization and be willing to use acceptable non-hormonal contraception methods from the time of informed consent until 7 months after the last dose of the study drug.
7. Any acute toxicities from previous anti-tumor therapy have resolved to Grade 0-1 (per CTCAE v5.0).
8. The patient has provided written informed consent (ICF), and is willing and able to comply with scheduled visits, treatment plans, laboratory tests, and other study procedures.

Exclusion Criteria

1. Tumor clinical stage IV (metastatic) breast cancer.
2. History and/or treatment of any malignancy other than breast cancer within 5 years prior to randomization.
3. History of severe pulmonary disease, such as interstitial lung disease.
4. Concurrent or potential use of any anti-tumor therapy not specified in the study protocol.
5. Major surgical procedure within 4 weeks prior to randomization.
6. HIV infection or known AIDS, active hepatitis B, hepatitis C, or co-infection with hepatitis B and C.
7. Poor cardiac function.
8. Severe infection within 4 weeks prior to randomization.
9. History of drug allergy.
10. History of organ transplantation.
11. History of substance abuse.
12. Women within 1 year postpartum or who are currently breastfeeding.
13. Patients deemed by the investigator as unsuitable for participation in this study.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Shandong Suncadia Medicine Co., Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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The First Affiliated Hospital of Nanjing Medical University

Nanjing, Jiangsu, China

Site Status

Fudan University Shanghai Cancer Center

Shanghai, Shanghai Municipality, China

Site Status

Countries

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China

Central Contacts

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Yue He

Role: CONTACT

+86-0518-82342973

Facility Contacts

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Qiang Ding

Role: primary

+86-025-68306259

Zhimin Shao

Role: primary

+86-021-64175590

Keda Yu

Role: backup

+86-021-64175590

Other Identifiers

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HRS-8080-305

Identifier Type: -

Identifier Source: org_study_id

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