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Clinical study on the correlation between AR expression level and neoadjuvant targeted therapy for breast cancer

Clinical study on the correlation between AR expression level and neoadjuvant targeted therapy for breast cancer

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100052698
Enrollment
Unknown
Registered
2021-11-03
Start date
2021-12-01
Completion date
Unknown
Last updated
2022-08-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Cancer

Interventions

case series:None

Sponsors

Yunnan Cancer Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. The patient is female, aged >=18 years; 2. ECOG score 0-1 points; 3. Unilateral or bilateral primary invasive carcinoma of the breast confirmed by biopsy pathology; 4. Immunohistochemistry (IHC) suggests HER-2 positive (HER-2+++ or HER-2++ and FISH amplification); 5. According to the current American Joint Cancer Committee (AJCC) breast cancer staging criteria for patients with I-III based on radiological and/or clinical assessment; 6. According to NCCN guidelines, the patients have received neoadjuvant chemotherapy including anthracyclines and taxanes and targeted therapy of more than 4 cycles of trastuzumab + pertuzumab or only trastuzumab; 7. Modified radical mastectomy or breast-conserving radical mastectomy for breast cancer has been completed, and the postoperative pathological examination results have been reported.

Exclusion criteria

Exclusion criteria: 1. After lumpectomy or minimally invasive atherectomy; 2. Received endocrine therapy or castration therapy in the past; 3. Incomplete baseline information or immunohistochemical results; 4. History of other malignant tumors; 5. Patients with severe cardiac insufficiency, liver and kidney insufficiency, active mental system diseases (schizophrenia, severe depression, bipolar affective disorder, etc.); 6. Those who are unwilling to sign the informed consent; 7. Persons without full capacity for civil conduct; 8. In the investigator's opinion, other conditions make them unsuitable for this study.

Design outcomes

Primary

MeasureTime frame
Pathological complete response rate;

Countries

China

Contacts

Public ContactChen Wenlin

Yunnan Cancer Hospital

chenwenlin@aliyun.com+86 13888087395

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026