E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Patients with locally advanced or metastatic estrogen receptor (ER) positive breast cancer |
Pacientes con cáncer de mama localmente avanzado o metastásico y receptores estrogénicos positivos (RE+). |
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E.1.1.1 | Medical condition in easily understood language |
Patients with locally advanced or metastatic estrogen receptor (ER) positive breast cancer |
Pacientes con cáncer de mama localmente avanzado o metastásico y receptores estrogénicos positivos (RE+). |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 17.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10070575 |
E.1.2 | Term | Estrogen receptor positive breast cancer |
E.1.2 | System Organ Class | 100000004864 |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
Phase I: To determine the maximum tolerated dose (MTD) and/or recommended Phase II dose (RP2D) and assess the safety of GDC-0810 in postmenopausal women with locally advanced or metastatic ER+ (HER2-) breast cancer
Phase II: To determine the anti-tumor effect (clinical benefit rate) of GDC-0810 in postmenopausal women with locally advanced or metastatic ER+ (HER2-) breast cancer |
Fase I: Determinar la dosis máxima tolerada (DMT) y/o la dosis recomendada para la Fase II (DRF2) y evaluar la seguridad de GDC 0810 en mujeres posmenopáusicas con cáncer de mama localmente avanzado o metastásico y receptores estrogénicos positivos (RE+) (HER2-).
Fase II: Determinar la actividad antitumoral (tasa de beneficio clínico) de GDC 0810 en mujeres posmenopáusicas con cáncer de mama localmente avanzado o metastásico y RE+ (HER2-) |
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E.2.2 | Secondary objectives of the trial |
?To evaluate the safety of GDC-0810 when administered at the RP2D in postmenopausal women with locally advanced or metastatic ER+ (HER2-) breast cancer
?To evaluate the pharmacokinetics of GDC-0810 and its O-glucuronide metabolite following single and multiple dose treatments
?To evaluate the effect of GDC-0810 on ventricular repolarization in postmenopausal women participating in the Phase IIa portion of the study
?To perform exploratory evaluation of biomarkers of pharmacodynamic (PD) response with [18F]-fluoroestradiol (FES) positron emitting tomography (PET) [FES-PET]
?To perform exploratory evaluation of ER target genes expression
?To perform exploratory evaluation of mechanisms of resistance to GDC-0810. |
- Evaluar la seguridad de GDC 0810 cuando se administra en la DRF2 a mujeres posmenopáusicas con cáncer de mama localmente avanzado o metastásico y RE+ (HER2-). - Evaluar la farmacocinética de GDC 0810 y su metabolito O glucurónido después del tratamiento con dosis únicas y múltiples. - Evaluar el efecto de GDC 0810 sobre la repolarización ventricular en las mujeres posmenopáusicas que participen en la parte en Fase II del estudio. - Realizar una evaluación exploratoria de la respuesta farmacodinámica (FD) de biomarcadores mediante tomografía por emisión de positrones (TEP) con [18F] fluoroestradiol (FES) [TEP FES]. - Realizar una evaluación exploratoria de la expresión de los genes diana de RE. - Realizar una evaluación exploratoria de los mecanismos de resistencia a GDC 0810. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Histologically or cytologically proven diagnosis of adenocarcinoma of the breast with evidence of either locally recurrent disease not amenable to resection or radiation therapy with curative intent, or metastatic disease, both progressing after at least 6 months of hormonal therapy for ER+ breast cancer
- ER-positive, HER2-negative
- At least 2 months must have elapsed from the use of tamoxifen
- At least 6 months must have elapsed from the use of fulvestrant
- At least 2 weeks must have elapsed from the use of any other anticancer hormonal therapy
- At least 3 weeks must have elapsed from the use of any chemotherapy
- Females, 18 years of age or older
- Postmenopausal status
- Eastern Cooperative Oncology Group (ECOG) performance status </= 2
- Adequate organ function
Phase II portion - all above inclusion criteria, except:
- Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1 - At least 6 months must have elapsed from the use of fulvestrant not applicable
and plus:
- Cohort A only: Confirmed ESR1 mutation and presence of measurable disease as per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 or evaluable bone disease
- Cohort A1 only: no prior fulvestrant allowed; at least 2 months must have elapsed from the use of tamoxifen
- Cohort A2 only: prior fulvestrant allowed
- Cohort B only: disease progression following no more than 1 prior treatment with an aromatase inhibitor in the advanced/metastatic setting
- Cohort B1 only: no prior fulvestrant allowed
- Cohort B2 only: prior fulvestrant allowed |
- Diagnóstico de adenocarcinoma de la mama, demostrado por histología o citología, con indicios de enfermedad localmente recurrente que no sea susceptible de resección ni radioterapia con intención curativa o de enfermedad metastásica, en ambos casos, con progresión después de al menos 6 meses de tratamiento endocrino para el cáncer de mama con RE+. - RE positivo, Her2 negativo. - Intervalo de al menos 2 meses desde el uso de tamoxifeno. - Intervalo de al menos 6 meses desde el uso de fulvestrant. - Intervalo de al menos 2 semanas desde el uso de otro tratamiento hormonal contra el cáncer. - Intervalo de al menos 3 semanas desde el uso de cualquier quimioterapia. - Mujeres de 18 años o más. - Estado posmenopáusico. - Estado funcional del Eastern Cooperative Oncology Group (ECOG) </= 2. - Función orgánica adecuada.
Fase II: todos los criterios de inclusión anteriores, excepto: - Estado funcional del Eastern Cooperative Oncology Group (ECOG) de 0 o 1. - Intervalo de al menos 6 meses desde el uso de fulvestrant; no aplica.
Y además: - Solo en la cohorte A: Mutaciones confirmadas del dominio LBD de RE? (ESR1) y presencia de enfermedad evaluable conforme a los criterios RECIST, versión 1.1. o enfermedad ósea evaluable.
-Solo en la cohorte A1: no se permite el uso previo de fulvestrant; deberán haber transcurrido como mínimo 2 meses desde el uso de tamoxifeno. - Solo en la cohorte A2: se permite el uso previo de fulvestrant.
- Solo en la cohorte B: Progresión de la enfermedad después de no más de 1 tratamiento previo con un IA en caso de enfermedad avanzada/metastásica. - Solo en la cohorte B1: no se permite el uso previo de fulvestrant. - Solo en la cohorte B2: se permite el uso previo de fulvestrant. |
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E.4 | Principal exclusion criteria |
- Untreated or symptomatic CNS metastases
- Endometrial disorders
- More than 2 prior chemotherapy in the advanced/metastatic setting (prior adjuvant chemotherapy is allowed so long as it occurred >/= 12 months prior to enrollment)
- Current treatment with any systemic anticancer therapies for advanced disease or any systemic experimental treatment on another clinical trial
- Any significant cardiac dysfunction within 12 months prior to enrollment
- Active inflammatory bowel disease or chronic diarrhea, short bowel syndrome, or upper gastrointestinal surgery including gastric resection
- Known human immunodeficiency virus infection
- Major surgery within 4 weeks prior to enrollment
- Radiation therapy within 2 weeks prior to enrollment
Phase II portion - all above exclusion criteria, plus:
- Cohort A1, A2, and Cohort B2 only: > 1 prior chemotherapy in the advanced/metastatic setting
- Cohort B1 only: prior chemotherapy in the advanced/metastatic setting |
- Metástasis en el SNC sintomáticas o no tratadas. - Trastornos del endometrio. - Más de 2 quimioterapias previas en caso de enfermedad avanzada/metastásica (se permite la quimioterapia adyuvante previa siempre que se haya administrado ? 12 meses antes de la inclusión). - Tratamiento actual con cualquier antineoplásico sistémico para la enfermedad avanzada o cualquier tratamiento experimental en otro ensayo clínico. - Cualquiera disfunción cardiaca significativa en los 12 meses anteriores a la inclusión. - Enfermedad inflamatoria intestinal activa o diarrea crónica, síndrome del intestino corto o cirugía digestiva superior, incluida la resección gástrica - Infección conocida por el virus de la inmunodeficiencia humana (VIH). - Intervención de cirugía mayor en las 4 semanas anteriores a la inclusión - Radioterapia en las 2 semanas anteriores a la inclusión
Fase II: todos los criterios de exclusión anteriores, más: - Cohorte A1, A2 y cohorte B2 solo: > 1 quimioterapia previa en caso de enfermedad avanzada/metastásica - Cohorte B1 solo: Quimioterapia previa en caso de enfermedad avanzada/metastásica |
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E.5 End points |
E.5.1 | Primary end point(s) |
1. Maximum tolerated dose (MTD) 2. Incidence of adverse events 3. Efficacy (phase II portion only):clinical benefit rate according to RECIST v1.1 |
1. Dosis máxima tolerada (DMT). 2. Incidencia de acontecimientos adversos. 3. Eficacia (fase II solo); tasa de beneficio clínico de acuerdo a RECIST v1.1. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
1-2. 12 months 3. Until disease progression, unacceptable toxicity, or patient withdrawal of consent, approximately 6 months |
1-2: 12 meses. 3. Hasta progresión de la enfermedad, toxicidad inaceptable o retirada del consentimeinto por el paciente; aproximadamente 6 meses. |
|
E.5.2 | Secondary end point(s) |
1.Pharmacokinetics of ARN-810 and its main metabolite:Maximum concentration (Cmax) 2.Pharmacokinetics of ARN-810 and its main metabolite:Time to maximum concentration (Tmax) 3.Pharmacokinetics of ARN-810 and its main metabolite:area under the concentration-time curve (AUC) 4.Pharmacokinetics of ARN-810 and its main metabolite:half-life (t1/2) |
1. Farmacocinética de GDC 0810 y su principal metabolito: Concentración plasmática máxima (Cmax). 2. Farmacocinética de GDC 0810 y su principal metabolito: Tiempo hasta la concentración plasmática máxima (Tmax). 3. Farmacocinética de GDC 0810 y su principal metabolito: área bajo la curva de concentración plasmática frente al tiempo (AUC) 4. Farmacocinética de GDC 0810 y su principal metabolito: semivida plasmática terminal (t1/2). |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
1-4. 12 months |
1-4. 12 meses. |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | Yes |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | Yes |
E.7.1.1 | First administration to humans | Yes |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 1 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 3 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 5 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Korea, Republic of |
Netherlands |
Spain |
United States |
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E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
The end of this study is defined as the date when the last patient, last visit (LPLV) occurs or the date at which the last data point required for statistical analysis or safety follow-up is received from the last patient, whichever occurs later. |
El final del estudio se define como la fecha de la última visita de la última paciente (UVUP) o la fecha en la que se reciba el último punto de datos necesario para el análisis estadístico o el seguimiento de la seguridad de la última paciente, lo que suceda más tarde. |
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 1 |
E.8.9.1 | In the Member State concerned months | 1 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 4 |