Actively Recruiting

Phase 2
Age: 18Years +
All Genders
NCT05955170

Tucatinib in Combination With Oral Etoposide andTrastuzumab in Patients With Metastatic HER2+ Breast Cancer

Led by Institut Curie · Updated on 2025-03-27

66

Participants Needed

13

Research Sites

261 weeks

Total Duration

On this page

Sponsors

I

Institut Curie

Lead Sponsor

S

Seagen Inc.

Collaborating Sponsor

AI-Summary

What this Trial Is About

This is an open-label, multicenter, phase II study to evaluate the efficacy, safety, tolerability, pharmacokinetics of the combination of tucatinib-Oral VP16-trastuzumab in patients with HER2-positive metastatic breast cancer (HER2+ MBC) after progression on tucatinib-capecitabine-trastuzumab or capecitabine-related toxicity.

CONDITIONS

Official Title

Tucatinib in Combination With Oral Etoposide andTrastuzumab in Patients With Metastatic HER2+ Breast Cancer

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • First disease progression under tucatinib-capecitabine-trastuzumab or medical reason preventing use of capecitabine with tucatinib-trastuzumab
  • Age over 18 years
  • Histologically confirmed HER2-positive breast cancer with tumor tissue available
  • Life expectancy of at least 3 months
  • ECOG performance status of 0 or 1
  • Ability to swallow capsules
  • Willingness and ability to follow study procedures for the duration of the study
  • Measurable disease based on RECIST version 1
  • Patients with brain metastases eligible if urgent treatment is not required and certain time periods after brain treatments are met
  • Available records of any CNS treatment for lesion classification
  • Left ventricular ejection fraction of 50% or higher within 4 weeks before inclusion
  • Adequate organ function based on blood counts and liver/kidney tests within 14 days before treatment
  • Women of childbearing potential with negative pregnancy test and use of effective contraception; men agreeing to use contraception during and after study
  • Health insurance coverage
  • Ability to provide signed informed consent
Not Eligible

You will not qualify if you...

  • Prior treatment with lapatinib within 12 months before study (except short use without progression or severe toxicity)
  • Prior use of neratinib, afatinib, or other investigational HER2/EGFR or HER2 tyrosine kinase inhibitors (except uninterrupted tucatinib use)
  • Reduced dose tucatinib (<300mg twice daily) in safety run-in phase
  • Use of strong CYP3A4 or CYP2C8 inhibitors or inducers shortly before study drug
  • Inability to undergo brain MRI
  • Leptomeningeal metastases or brain metastases needing immediate treatment or high-dose corticosteroids
  • Poorly controlled seizures or neurological progression due to brain metastases
  • Unresolved toxicities from prior cancer therapies above grade 1 with some exceptions
  • Recent chemotherapy, radiotherapy, biological or investigational therapy within specified timeframes before treatment
  • Major surgery within 28 days before inclusion
  • Other malignancies needing systemic treatment within 2 years before study
  • Use of other cancer treatments or investigational agents concurrently
  • Pregnant, lactating, or planning pregnancy
  • Serious systemic disorders including active infections, HIV, hepatitis B or C, severe renal impairment, interstitial lung disease, severe dyspnea, liver disease, or significant gastrointestinal conditions
  • Significant cardiopulmonary disease including arrhythmia, uncontrolled hypertension, heart failure history, severe dyspnea, hypoxia, QT prolongation, or conditions causing drug-induced QT prolongation
  • Recent myocardial infarction or unstable angina within 6 months
  • Need for warfarin or coumarin anticoagulants
  • Inability to swallow pills or gastrointestinal disease affecting absorption
  • Mental or psychiatric conditions preventing informed consent
  • Legal protection or deprivation of liberty
  • Inability to comply with medical monitoring due to social, geographic, or psychological reasons

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 13 locations

1

Centre Jean Perrin

Clermont-Ferrand, Clermont Ferrand, France, 63011

Suspended

2

CHU Amiens Picardie-Site Sud

Amiens, France, 80054

Actively Recruiting

3

Institut Sainte Catherine

Avignon, France, 84000

Actively Recruiting

4

Centre François Baclesse

Caen, France, 14076

Actively Recruiting

5

Centre Georges-François Leclerc

Dijon, France, 21079

Actively Recruiting

6

Centre Oscar Lambret

Lille, France, 59020

Actively Recruiting

7

Institut Du Cancer Montpellier

Montpellier, France, 34298

Suspended

8

Hôpital Privé du Confluent

Nantes, France, 44277

Actively Recruiting

9

Institut Curie

Paris, France, 75005

Actively Recruiting

10

Hopital Saint-Louis Ap-Hp Senopole

Paris, France, 75010

Not Yet Recruiting

11

Centre CARIO-Hôpital Privé des Côtes d'Armor (HPCA)

Plérin, France, 22190

Actively Recruiting

12

Institut Curie

Saint-Cloud, France, 92210

Actively Recruiting

13

Oncopole Claudius Regaud

Toulouse, France, 31059

Suspended

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Research Team

F

Fouzia Azzouz

CONTACT

S

Sandra Nespoulous

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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