Single-agent metronomic versus weekly oral vinorelbine as first-line chemotherapy in patients with HR-positive/HER2-negative advanced breast cancer : The randomized Tempo Breast study

Copyright © 2024. Published by Elsevier Ltd..

INTRODUCTION: Single-agent oral vinorelbine is a standard of care for hormone receptor (HR)-positive/human epidermal growth factor receptor 2 (HER2)-negative advanced breast cancer (ABC) that has progressed on endocrine therapy. Metronomic administration may offer a better balance of efficacy and safety than standard regimens, but data from previous trials are scarce.

METHODS: In this open-label, multicenter, phase II trial, patients were randomized to oral vinorelbine administered on a metronomic (50 mg three times weekly) or weekly (60 mg/m2 in cycle 1, increasing to 80 mg/m2 if well tolerated) schedule. Treatment was continued until disease progression or intolerance. The primary endpoint was disease control rate (DCR, the proportion of patients with a best overall confirmed response of CR, PR, or stable disease lasting 6 months or more).

RESULTS: One-hundred sixty-three patients were randomized and treated. The DCR was 63.4% (95% confidence interval [CI]: 52.0-73.8) with metronomic vinorelbine and 72.8% (95% CI: 61.8-82.1) with weekly vinorelbine. Weekly vinorelbine was also associated with longer progression-free survival (5.6 vs 4.0 months) and overall survival (26.7 vs 22.3 months) than metronomic vinorelbine, but was associated with more adverse events.

CONCLUSIONS: In this randomized phase II trial, single-agent metronomic oral vinorelbine was effective and well tolerated as first-line chemotherapy for patients with HR-positive/HER2-negative ABC. Formal comparisons are not done in this phase II study and one can simply observe that confidence intervals of all endpoints overlap. When deciding for a chemotherapy after failure of endocrine therapy and CDK 4/6 inhibitors, oral vinorelbine might be an option to be given with either schedule.

CLINICAL TRIAL REGISTRATION NUMBER: EudraCT 2014-003860-19.

Medienart:

E-Artikel

Erscheinungsjahr:

2024

Erschienen:

2024

Enthalten in:

Zur Gesamtaufnahme - volume:74

Enthalten in:

Breast (Edinburgh, Scotland) - 74(2024) vom: 20. März, Seite 103681

Sprache:

Englisch

Beteiligte Personen:

Freyer, Gilles [VerfasserIn]
Martinez-Jañez, Noelia [VerfasserIn]
Kukielka-Budny, Bożena [VerfasserIn]
Ulanska, Malgorzata [VerfasserIn]
Bourgeois, Hugues [VerfasserIn]
Muñoz, Montserrat [VerfasserIn]
Morales, Serafin [VerfasserIn]
Calero, Juan Bayo [VerfasserIn]
Cortesi, Laura [VerfasserIn]
Pintér, Tamás [VerfasserIn]
Palácová, Markéta [VerfasserIn]
Cherciu, Nelli [VerfasserIn]
Petru, Edgar [VerfasserIn]
Ettl, Johannes [VerfasserIn]
de Almeida, Cécilia [VerfasserIn]
Villanova, Gustavo [VerfasserIn]
Raymond, Romain [VerfasserIn]
Minh, Christine Ta Thanh [VerfasserIn]
Rodrigues, Ana [VerfasserIn]
Cazzaniga, Marina E [VerfasserIn]

Links:

Volltext

Themen:

5V9KLZ54CY
Administration
Chemotherapy
Clinical Trial, Phase II
Disease control rate
EC 2.7.10.1
HR+/HER2-advanced breast cancer
Journal Article
Metronomic
Multicenter Study
Oral
Q6C979R91Y
Randomized Controlled Trial
Receptor, ErbB-2
Vinblastine
Vinorelbine
Weekly administration

Anmerkungen:

Date Completed 27.03.2024

Date Revised 27.03.2024

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1016/j.breast.2024.103681

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM368677532