Last updated 14 days ago

Study of Trastuzumab Deruxtecan Versus Standard of Care Chemotherapy for HER2-Expressing (IHC 3+/2+) Endometrial Cancer

710 patients around the world
Available in Argentina, United States
This is a global, multicenter, open-label, phase 3 study to evaluate the efficacy and safety of T-DXd versus SoC chemotherapy with or without radiotherapy as adjuvant treatment in participants with HER2-expressing (IHC 3+/2+) endometrial cancer. Participants will be randomized 1:1 to either T-DXd or SoC chemotherapy. The primary objective will assess disease-free survival as assessed radiographically by BICR or by histopathologic confirmation of disease recurrence per local assessment. T-DXd (Enhertu®) is a HER2 directed ADC composed of a humanized anti-HER2 IgG1 mAb with the same amino acid sequence as trastuzumab, which includes a plasma-stable, selectively cleavable linker and potent topoisomerase I inhibitor payload (a derivative of exatecan) that leverages the clinically validated DXd ADC technology.
Daiichi Sankyo
3Research sites
710Patients around the world

This study is for people with

Endometrial Cancer

Requirements for the patient

From 18 Years
Female

Medical requirements

Adults ≥18 years at the time the ICF is signed (Please follow local regulatory requirements if the legal age of consent for trial participation is >18 years old).
Has histologically confirmed diagnosis of epithelial endometrial carcinoma. All histology's are allowed except for sarcomas (carcinosarcomas are allowed).
Is newly diagnosed FIGO 2023 Stage IIC (including Stage IICmp53abn) or Stage III Note: FIGO 2023 Stage IIC includes disease with aggressive histological types (aggressive histological types are composed of high-grade EECs (grade 3), serous, clear cell, undifferentiated, mixed, mesonephric-like, gastrointestinal mucinous type carcinomas, and carcinosarcomas) with any myometrial involvement. FIGO 2023 Stage III includes disease with local and/or regional spread of the tumor of any histological subtype.
Has HER2-expression (IHC 3+/2+) per 2016 ASCO-CAP gastric cancer IHC scoring guidelines as confirmed by central laboratory testing.
Has adequate archived tumor tissue sample (sample from surgery is strongly recommended) available for assessment of HER2 status by central laboratory.
Has uterine mesenchymal tumor such as an endometrial stromal sarcoma, leiomyosarcoma, or other types of pure sarcomas. Adenosarcomas are also not allowed.
Has recurrent or FIGO 2023 Stage IV.
Has measurable residual tumor after surgery as determined by BICR assessment.
Is known to have a POLE mutation from an approved and/or validated local test, according to local regulations, if available.
Has a medical history of MI within 6 months before randomization/enrollment, symptomatic CHF (NYHA Class II to IV). Participants with troponin levels above ULN at SCR (as defined by the manufacturer), and without any MI related symptoms should have a cardiologic consultation during SCR Period to rule out MI.
Has a QTcF prolongation to > 480 msec based on average of the SCR triplicate12-lead ECG. Clinically severe pulmonary compromise resulting from intercurrent pulmonary illnesses including, but not limited to, any underlying pulmonary disorder (ie, pulmonary emboli within 3 months of the trial enrollment, severe asthma, severe COPD, restrictive lung disease, pleural effusion, etc.) and any autoimmune, connective tissue, or inflammatory disorder with potential pulmonary involvement (eg, rheumatoid arthritis, Sjogren's syndrome, sarcoidosis, etc.), or prior pneumonectomy.
Has a history of (noninfectious) ILD/pneumonitis that required corticosteroids, has current ILD/pneumonitis, or where suspected ILD/pneumonitis cannot be ruled out by imaging at SCR.

Sites

Hospital Italiano de Buenos Aires - CABA, Buenos Aires
Recruiting
Juan Domingo Perón 4190, Piso 1, Ciudad Autónoma de Buenos Aires, C1181ACH
Sanatorio Allende (Cerro)
Recruiting
Pedro Simón Laplace 5749, Córdoba
Centro de Investigaciones Médicas Mar del Plata SRL
Recruiting
Av. Colón 3083, Mar del Plata, Buenos Aires
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