Drug induced lupus associated with Trastuzumab emtansine in a patient with metastatic breast cancer.

ABSTRACT:

Introduction

Ado-trastuzumab emtansine (T-DM1) is employed in the treatment of patients with HER2-positive breast cancer. The most common side effects are fatigue, diarrhoea, anaemia, transaminase elevation and drug-induced thrombocytopenia. This report describes a patient with metastatic breast cancer who developed drug-induced lupus due to T-DM1.

Case report

A 54-year-old woman was diagnosed with breast cancer in March 2018. She underwent modified radical mastectomy and axillary lymph node dissection (pT2N1aM0). Following supraclavicular lymph node metastasis in May 2018, she received 8 cycles of docetaxel, trastuzumab, and pertuzumab. In December 2020, the patient presented with axillary and intra-abdominal lymph node metastases, along with bone metastases observed on PET

SUBMITTER: Yıldız O 

PROVIDER: S-EPMC11771080 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature