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Study of IEV407 as Single Agent or in Combination in Patients With Advanced HR+/HER2- Breast Cancer

4 de junio de 2026 actualizado por: Novartis Pharmaceuticals

An Open-label, Multi-center, Phase I/Ib Study of IEV407 as a Single Agent and in Combination With Endocrine Therapy in Patients With Advanced Hormone Receptor Positive, HER2- Negative Breast Cancer

The purpose of this study is to evaluate the safety, tolerability and preliminary activity of IEV407 as a single agent and in combination with endocrine therapy (fulvestrant or letrozole) in patients with advanced hormone receptor positive (HR+), human epidermal growth factor receptor 2 negative (HER2-negative) breast cancer.

Descripción general del estudio

Estado

Reclutamiento

Condiciones

Intervención / Tratamiento

Descripción detallada

This is a first-in-human, open-label, phase I/Ib, multi-center study consisting of a dose escalation part of IEV407 as a single agent (SA) and in combination with endocrine therapy (fulvestrant or letrozole) followed by a dose expansion part in patients with advanced breast cancer (aBC). The study will start with the evaluation of IEV407 as a SA.

Following evaluation of IEV407 in combination with fulvestrant through dose escalation and establishment of a recommended dose and/or dose ranges for optimization (RD/DRO), the study may proceed to the Phase Ib expansion part to evaluate the combination treatment of IEV407 with fulvestrant. If more than one treatment arm is open concurrently in the dose expansion part, a randomization schedule will be employed for patient allocation.

Tipo de estudio

Intervencionista

Inscripción (Estimado)

194

Fase

  • Fase 1

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Estudio Contacto

Copia de seguridad de contactos de estudio

  • Nombre: Novartis Pharmaceuticals
  • Número de teléfono: +41613241111

Ubicaciones de estudio

  • Estados Unidos
    • Texas
      • Dallas, Texas, Estados Unidos, 75251
        • Reclutamiento
        • Mary Crowley Cancer Research
        • Investigador principal:
          • Reva Schneider
        • Contacto:
  • Singapur
      • Singapore, Singapur, 119074
        • Reclutamiento
        • Novartis Investigative Site

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

  • Adulto
  • Adulto Mayor

Acepta Voluntarios Saludables

No

Descripción

Inclusion Criteria:

  • Age ≥ 18 years old

  • Patients with one of the following indications:

    • Dose escalation (IEV407 single agent and in combination with fulvestrant or letrozole):

HR+/HER2- aBC with disease progression on or following, or have been intolerant to, at least one line of endocrine-based therapy in combination with a CDK4/6 inhibitor and at least one additional line of systemic therapy in the unresectable/metastatic setting and not be a candidate for any available standard therapy, in the investigator's judgement.

- Dose expansion of IEV407 in combination with fulvestrant: HR+/HER2- aBC with disease progression on or following, or have been intolerant to, endocrine-based therapy in combination with a CDK4/6 inhibitor. They must not have received more than two prior lines of endocrine-based therapy in the unresectable/metastatic setting. Prior cytotoxic chemotherapy and/or antibody-drug conjugate therapies in the unresectable/metastatic setting are not allowed.

Exclusion Criteria:

  • Patients with inadequate bone marrow and/or organ functions with out-of-range laboratory values.
  • Impaired cardiac function or clinically significant cardiac disease.
  • Concurrent use of hormone replacement therapy.
  • Women of childbearing potential who are unwilling to use highly effective contraception methods, pregnant or nursing women.
  • For the combination treatment of IEV407 with fulvestrant or letrozole: Patients with symptomatic visceral disease or any disease burden that makes the patient ineligible for endocrine-based therapy.

Other protocol-defined inclusion/exclusion criteria may apply.

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Tratamiento
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación Secuencial
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Dose escalation: IEV407 single agent
IEV407 single agent
Droga: IEV407
Oral administration
Experimental: Dose escalation: IEV407 + fulvestrant
IEV407 in combination with fulvestrant
Droga: Fulvestrant
Intramuscular injection. Approved medication.
Otros nombres:
  • Faslodex
Droga: IEV407
Oral administration
Experimental: Dose escalation: IEV407 + letrozole
IEV407 in combination with letrozole
Droga: Letrozole
Oral administration. Approved medication.
Otros nombres:
  • Fémara
Droga: IEV407
Oral administration
Experimental: Dose expansion, recommended dose (RD)-1: IEV407 + fulvestrant
IEV407 in combination with fulvestrant
Droga: Fulvestrant
Intramuscular injection. Approved medication.
Otros nombres:
  • Faslodex
Droga: IEV407
Oral administration
Experimental: Dose expansion, RD-2 (optional dose optimization): IEV407 + fulvestrant
IEV407 in combination with fulvestrant
Droga: Fulvestrant
Intramuscular injection. Approved medication.
Otros nombres:
  • Faslodex
Droga: IEV407
Oral administration

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Incidence and severity of dose-limiting toxicities (DLTs)
Periodo de tiempo: 28 days
Number of participants with DLTs. A DLT is defined as an adverse event or abnormal laboratory value of Common Terminology Criteria for Adverse Events (CTCAE) grade 3 or higher, including death, unless clearly and incontrovertibly assessed as due to disease, disease progression, inter-current illness/injury, concomitant medications, or extraneous causes, that occurs within the first 28 days of treatment with IEV407 in the dose escalation parts or in the expansion part of IEV407 in combination with fulvestrant with the exceptions described in the study protocol.
28 days
Incidence and severity of Adverse Events (AEs) and Serious Adverse Events (SAEs)
Periodo de tiempo: Up to approximately 2 years
Number of participants with AEs and SAEs, including changes in laboratory values, vital signs and echocardiograms (ECGs) qualifying and reported as AEs.
Up to approximately 2 years
Frequency of dose interruptions, reductions and discontinuations
Periodo de tiempo: Up to approximately 2 years
Number of participants with dose adjustments (interruptions, reductions, or permanent discontinuation) as a measure of tolerability.
Up to approximately 2 years
Dose intensity
Periodo de tiempo: Up to approximately 2 years
Dose intensity defined as the ratio of actual cumulative dose received and actual duration of exposure.
Up to approximately 2 years

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Best Overall Response (BOR)
Periodo de tiempo: Up to approximately 2 years
BOR per Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1) is defined as the best overall confirmed response recorded from the start of the treatment until progressive disease (PD), death, start of new therapy, withdrawal of consent or end of study, whatever comes first. Efficacy will be based on the investigator assessment.
Up to approximately 2 years
Overall Response Rate (ORR)
Periodo de tiempo: Up to approximately 2 years

ORR per RECIST v1.1 is defined as the proportion of patients with a BOR of Complete response (CR) or Partial response (PR).

Efficacy will be based on the investigator assessment.
Up to approximately 2 years
Disease Control Rate (DCR)
Periodo de tiempo: Up to approximately 2 years

DCR per RECIST v1.1 is defined as the proportion of patients with a BOR of CR, PR, or Stable Disease (SD).

Efficacy will be based on the investigator assessment.
Up to approximately 2 years
Clinical Benefit Rate (CBR)
Periodo de tiempo: Up to approximately 2 years

CBR per RECIST v1.1 is defined as the proportion of patients with a BOR of CR, PR, or an overall lesion response of SD or Non-CR/Non-PD which lasts for at least 24 weeks.

Efficacy will be based on the investigator assessment.
Up to approximately 2 years
Duration of Response (DOR)
Periodo de tiempo: Up to approximately 2 years

DOR per RECIST v1.1 is the time between the first documented response (CR or PR) and the date of progression by local review as applicable or death due to any cause.

Efficacy will be based on the investigator assessment.
Up to approximately 2 years
Progression Free Survival (PFS)
Periodo de tiempo: Up to approximately 2 years

PFS per RECIST 1.1 is defined as the time from the date of start of study treatment (Phase I) or the date of randomization (Phase II) to the date of the first documented progression or death due to any cause.

Efficacy will be based on the investigator assessment.
Up to approximately 2 years
Maximum plasma concentration (Cmax) of IEV407
Periodo de tiempo: From pre-dose up to 24 hours after dosing on Cycle 1 Day 1 and Day 15. 1 cycle = 28 days
Pharmacokinetic (PK) parameters based on plasma concentrations of IEV407.
From pre-dose up to 24 hours after dosing on Cycle 1 Day 1 and Day 15. 1 cycle = 28 days
Area under the plasma concentration-time curve (AUC) of IEV407
Periodo de tiempo: From pre-dose up to 24 hours after dosing on Cycle 1 Day 1 and Day 15. 1 cycle = 28 days
PK parameters based on plasma concentrations of IEV407.
From pre-dose up to 24 hours after dosing on Cycle 1 Day 1 and Day 15. 1 cycle = 28 days

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Novartis Pharmaceuticals

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Actual)

28 de mayo de 2026

Finalización primaria (Estimado)

8 de junio de 2032

Finalización del estudio (Estimado)

8 de junio de 2032

Fechas de registro del estudio

Enviado por primera vez

18 de mayo de 2026

Primero enviado que cumplió con los criterios de control de calidad

18 de mayo de 2026

Publicado por primera vez (Actual)

22 de mayo de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

5 de junio de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

4 de junio de 2026

Última verificación

1 de junio de 2026

Más información

Términos relacionados con este estudio

Palabras clave

Términos MeSH relevantes adicionales

Otros números de identificación del estudio

  • CIEV407A12101
  • 2025-522707-26 (Identificador de registro: EU CTIS)

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

NO

Descripción del plan IPD

Novartis is committed to sharing with qualified external researchers, access to patient-level data and supporting clinical documents from eligible studies. These requests are reviewed and approved by an independent review panel on the basis of scientific merit. All data provided is anonymized to respect the privacy of patients who have participated in the trial in line with applicable laws and regulations. This trial data availability is according to the criteria and process described on https://www.clinicalstudydatarequest.com/.

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

Sí

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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