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The trial is taking place at:
H

Hospital Clinico Universitario de Valencia | Nephrology Department

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Adjuvant Palbociclib in Elderly Patients With Breast Cancer (Appalaches)

E

European Organisation for Research and Treatment of Cancer (EORTC)

Status and phase

Active, not recruiting
Phase 2

Conditions

Breast Cancer Stage II
Breast Cancer Stage III

Treatments

Drug: doxorubicin/cyclophosphamide
Drug: Docetaxel / cyclophosphamide
Drug: Palbociclib
Drug: epirubicin/cyclophosphamide
Drug: paclitaxel

Study type

Interventional

Funder types

Other
NETWORK
Industry

Identifiers

NCT03609047
EORTC 1745-ETF-BCG

Details and patient eligibility

About

Phase II study to assess the efficacy of the combination of at least 5 year endocrine therapy and 2 year-palbociclib as adjuvant systemic treatment instead of adjuvant chemotherapy followed by endocrine therapy in older patients with stage II-III ER+/HER2- early breast cancer.

Full description

The primary objective of this trial is to assess the efficacy of the combination of at least 5 year endocrine therapy and 2 year-palbociclib as adjuvant systemic treatment instead of adjuvant chemotherapy followed by endocrine therapy in older patients with stage II-III ER+/HER2- early breast cancer.

This is a two-arm open-label multi-center randomized (2:1) non-comparative phase II study in elderly patients with stage II/III, ER+, HER2- early breast cancer for whom treatment with chemotherapy is indicated.

Patients will be randomized with a 2:1 allocation rate to the following treatment arm:

experimental palbociclib arm: Standard adjuvant endocrine therapy for a duration of at least 5 years + palbociclib for a total duration of up to 2 years. control chemotherapy arm: adjuvant chemotherapy (4 cycles of docetaxel/doxorubicin/epirubicin-cyclophosphamide; or of weekly paclitaxel D1, D8, and D15 q3w if a 3 weekly schedule is not desired), followed by standard adjuvant endocrine therapy for a duration of at least 5 years.

The primary endpoint of the study is the 3-year D-RFI rate in the experimental arm.

Enrollment

366 estimated patients

Sex

All

Ages

70+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Women or men with stage II or stage III, early invasive breast cancer according to the UICC 8th edition for TNM classification
  • Histologically confirmed Estrogen Receptor ER+ (at least 10 % of cells staining positive for ER), Human Epidermal Growth Factor Receptor 2 (HER-2) negative, early invasive breast cancer based on results of local pathology. Testing may be performed on diagnostic core biopsy or resection specimen.
  • In patients with multicentric, multifocal and/or bilateral breast cancer, all histopathologically examined invasive tumors must meet pathologic criteria regarding ER and HER2-status described above.
  • Adjuvant chemotherapy indicated and feasible according to treating physician and patient, based on standard clinicopathological parameters (tumor size, lymph node involvement, general health status, proliferation marker, patient wish) and gene expression profile if available.
  • Adjuvant chemotherapy combining both anthracycline and taxanes considered not indicated or not feasible according to treating physician.
  • No evidence of macroscopic distant metastases, investigated according to local institutional guidelines.
  • Age ≥70 years
  • Eastern Cooperative Oncology Group (ECOG) Performance status 0-2
  • Patient must have undergone breast +/- axillary surgery with curative intent for the current malignancy ≤8 weeks before randomization.
  • The maximum duration from last surgery to the start of the first adjuvant treatment is 9 weeks.
  • Patients must have sufficient resolution of any surgical side effects from the last surgery per physician assessment, with no active wound healing complications at the time of randomization.
  • Incentive to undergo adjuvant radiation therapy when indicated per local institutional guidelines.
  • Note: For patients in the palbociclib arm, radiation therapy when indicated has to start ≤9 weeks after last surgery. The endocrine therapy can be initiated during or after the radiation therapy but not later than 3 weeks after the last radiotherapy. Palbociclib has to start ≤3 weeks after the last radiotherapy. When radiation therapy is not indicated, endocrine therapy and palbociclib have to be initiated ≤9 weeks after last surgery.
  • Note: For patients in the chemotherapy arm, chemotherapy has to be the first adjuvant treatment and has to start ≤9 weeks after the last surgery. When radiation therapy is indicated, this treatment has to start ≤6 weeks after the last chemotherapy administration. Adjuvant endocrine therapy can be initiated during or after the radiation therapy but not later than 3 weeks after the last radiotherapy. When radiation therapy is not indicated, endocrine therapy has to be initiated ≤6 weeks after last chemotherapy administration.
  • Adequate organ function, evidenced by the following laboratory results within 3 weeks prior to inclusion:
  • Hemoglobin ≥ 9 g/dL
  • Absolute neutrophil count (ANC) ≥ 1500/mm3
  • Platelet count ≥ 100,000/mm3
  • Total bilirubin ≤ 1.5 upper limit of normal (ULN), or total bilirubin ≤ 3.0 × ULN in patients with documented Gilbert's Syndrome.
  • Glomerular Filtration Rate (GFR) ≥ 30 ml/min according to Modification of Diet in Renal Disease (MDRD) formula or Chronic Kidney Disease - Epidemiology Collaboration (CKD-EPI) formula or Cockcroft and Gault formula
  • Serum Glutamic Oxaloacetic Transaminase (Aspartate Transaminase), Serum Glutamic Pyruvic Transaminase (Alanine Transaminase) and alkaline phosphatase ≤ 2.5 × ULN
  • Patients must be able and willing to swallow and retain oral medication without a condition that would interfere with enteric absorption.
  • Absence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule; those conditions should be discussed with the patient before registration in the trial
  • Before patient registration/randomization, written informed consent must be obtained according to ICH/GCP, and national/local regulations.

Exclusion criteria

  • Previous history of invasive breast cancer
  • Systemic anticancer therapy prior to the breast cancer surgery
  • Prior therapy with any Cyclin-Dependent Kinase (CDK)4/6 inhibitor
  • Concurrent investigational agent within 28 days of randomization
  • Concomitant anticancer treatment with the exception of bone antiresorptive agents or Luteinizing Hormone-Releasing Hormone agonists in male patients treated with an aromatase-inhibitor
  • History of allergic reactions attributed to compounds of chemical or biological composition similar to palbociclib or to chemotherapy components
  • Medications or substances that are potent inhibitors or inducers of CYP3A isoenzymes within 7 days of randomization (see Chapter 5.6.3 for list of CYP3A inhibitors and inducers)
  • Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection (including known HIV, active hepatitis B and/or hepatitis C infection), symptomatic congestive heart failure, unstable angina pectoris, uncontrolled cardiac arrhythmia, or uncontrolled diabetes.
  • Other malignancy within the last 5 years except: adequately treated non-metastatic non-melanoma skin cancer, curatively treated in situ cancer of the cervix, ductal carcinoma in situ of the breast.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

366 participants in 2 patient groups

experimental palbociclib arm
Experimental group
Description:
Standard adjuvant endocrine therapy for a duration of at least 5 years + palbociclib (one capsule 125mg QD, orally, for 21 days followed by 7 days off treatment) for a total duration of up to 2 years.
Treatment:
Drug: Palbociclib
control chemotherapy arm
Active Comparator group
Description:
Adjuvant chemotherapy: 4 cycles docetaxel 75 mg/m2 / cyclophosphamide 600 mg/m2 q3w OR 4 cycles doxorubicin 60 mg/m2 / cyclophosphamide 600 mg/m2 q3w OR 4 cycles epirubicin 90 mg/m2 / cyclophosphamide 600 mg/m2 q3w OR 4 cycles weekly paclitaxel 80 mg/m2 D1, D8, and D15 q3w Followed by standard adjuvant endocrine therapy for a duration of at least 5 years.
Treatment:
Drug: paclitaxel
Drug: epirubicin/cyclophosphamide
Drug: Docetaxel / cyclophosphamide
Drug: doxorubicin/cyclophosphamide

Trial contacts and locations

73

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Data sourced from clinicaltrials.gov

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