E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
HR+, HER2-, Advanced or Metastatic Breast Cancer |
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E.1.1.1 | Medical condition in easily understood language |
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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 | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10027475 |
E.1.2 | Term | Metastatic 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 |
To compare the efficacy of fulvestrant with or without abemaciclib |
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E.2.2 | Secondary objectives of the trial |
To further compare the efficacy of fulvestrant with or without abemaciclib To further characterize the safety profile of abemaciclib in combination with fulvestrant To compare PRO measures of fulvestrant with or without abemaciclib To characterize the pharmacokinetics (PK) of abemaciclib in combination with fulvestrant |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
-Have a diagnosis of HR+, HER2- breast cancer -Have either advanced disease not amenable to curative surgical treatment or metastatic disease. -Have radiologic evidence of disease progression or recurrence either On treatment with a CDK4 & 6 inhibitor (palbociclib, ribociclib, or abemaciclib) plus AI as initial therapy for advanced disease, or plus ET administered as adjuvant therapy for early-stage breast cancer -Have either measurable disease or non-measurable but evaluable disease. -Have a performance status (PS) of 0 or 1 on the Eastern Cooperative Oncology Group (ECOG) scale (Oken et al. 1982). -Must be deemed appropriate for treatment with ET. -Have discontinued previous treatments and recovered from the acute effects of therapy to at least Grade 1, except for residual alopecia and peripheral neuropathy -Have adequate organ function |
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E.4 | Principal exclusion criteria |
-Have visceral crisis, lymphangitic spread or leptomeningeal carcinomatosis -Have symptomatic or untreated central nervous system (CNS) metastasis. -Have a history within the last 12 months of any of the following conditions: syncope of cardiovascular etiology, ventricular arrhythmia of pathological origin (including, but not limited to, ventricular tachycardia and ventricular fibrillation), or sudden cardiac arrest. -Have serious preexisting medical condition(s) that, in the judgment of the investigator, would preclude participation in this study -Have a known active systemic infection -Have received any intervening line of systemic therapy between disease recurrence/progression and study screening or more than 1 line of therapy for advanced or metastatic disease. -Have received prior treatment with chemotherapy for MBC, with any CDK4 & 6 inhibitor-based regimen other than those specified or with fulvestrant, any investigational ER-directed therapy (including SERDs and non-SERDs), any PI3K-, mTOR-, or AKT-inhibitor. -Have known pathogenic germline mutations appropriate for a PARP inhibitor, in regions where these therapies are approved and available, per investigator’s discretion. -Have initiated bisphosphonates or approved RANK ligand (RANK-L) targeted agents <7 days prior to randomization. -Are receiving concurrent exogenous reproductive hormone therapy -Have received an autologous or allogeneic stem cell transplant
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E.5 End points |
E.5.1 | Primary end point(s) |
To compare PFS of fulvestrant with or without abemaciclib as determined by investigator assessment using RECIST 1.1 |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
first occurrence of documented disease progression per RECIST 1.1, or death from any cause in the absence of documented progressive disease. |
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E.5.2 | Secondary end point(s) |
Efficacy endpoints: overall survival (OS), progression-free survival (PFS) by BICR, objective response rate (ORR), clinical benefit rate (CBR), disease control rate (DCR), duration of response (DoR) Safety endpoint: including but not limited to TEAEs, SAEs, deaths and clinical laboratory abnormalities Time to worsening in worst pain via the mBPISF worst pain item Time to deterioration in physical function via the EORTC IL-19 Concentrations of abemaciclib
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
first occurrence of documented disease progression per RECIST 1.1, or death from any cause in the absence of documented progressive disease. At the end of the trial
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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 | No |
E.6.10 | Pharmacogenetic | Yes |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
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) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
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 | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
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 | Information not present in EudraCT |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 46 |
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 |
Australia |
China |
Israel |
Korea, Republic of |
Mexico |
Russian Federation |
Taiwan |
Turkey |
United States |
Belgium |
Denmark |
France |
Hungary |
Italy |
Poland |
Spain |
Sweden |
Czechia |
Argentina |
Greece |
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E.8.7 | Trial has a data monitoring committee | Yes |
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
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 3 |
E.8.9.2 | In all countries concerned by the trial months | 10 |
E.8.9.2 | In all countries concerned by the trial days | 8 |