This is the classic website, which will be retired eventually. Please visit the modernized ClinicalTrials.gov instead.
Working…
ClinicalTrials.gov
ClinicalTrials.gov Menu

PALbociclib CoLlaborative Adjuvant Study (PALLAS)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT02513394
Recruitment Status : Active, not recruiting
First Posted : July 31, 2015
Results First Posted : April 13, 2022
Last Update Posted : January 24, 2024
Sponsor:
Collaborators:
Austrian Breast & Colorectal Cancer Study Group
NSABP Foundation Inc
PrECOG, LLC.
Breast International Group
Pfizer
Information provided by (Responsible Party):
Alliance Foundation Trials, LLC.

Study Description
Go to 
Top of Page Study Description Study Design Arms and Interventions Outcome Measures Eligibility Criteria Contacts and Locations More Information
Brief Summary:

This is a prospective, two arm, international, multicenter, randomized, open-label Phase III study evaluating the addition of 2 years of palbociclib to standard adjuvant endocrine therapy for patients with HR+ / HER2- early breast cancer (EBC).

The purpose of the PALLAS study is to determine whether the addition of palbociclib to adjuvant endocrine therapy will improve outcomes over endocrine therapy alone for HR+/HER2- early breast cancer. Assessment of a variety of correlative analysis, including evaluation of the effect of palbociclib in genomically defined tumor subgroups, is planned.


Condition or disease Intervention/treatment Phase
Breast Cancer Drug: Palbociclib Drug: Standard Adjuvant Endocrine Therapy Phase 3

Study Design
Go to 
Top of Page Study Description Study Design Arms and Interventions Outcome Measures Eligibility Criteria Contacts and Locations More Information

Layout table for study information
Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 5796 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: PALbociclib CoLlaborative Adjuvant Study: A Randomized Phase III Trial of Palbociclib With Standard Adjuvant Endocrine Therapy Versus Standard Adjuvant Endocrine Therapy Alone for Hormone Receptor Positive (HR+) / Human Epidermal Growth Factor Receptor 2 (HER2)-Negative Early Breast Cancer
Study Start Date : August 2015
Actual Primary Completion Date : November 2020
Estimated Study Completion Date : September 2025

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Breast Cancer
Drug Information available for: Palbociclib

Arms and Interventions
Go to 
Top of Page Study Description Study Design Arms and Interventions Outcome Measures Eligibility Criteria Contacts and Locations More Information

Arm Intervention/treatment
Experimental: Arm A
Palbociclib at a dose of 125 mg orally once daily, Day 1 to Day 21 followed by 7 days off treatment in a 28-day cycle for a total duration of 2 years, in addition to standard adjuvant endocrine therapy for a duration of at least 5 years.
 Drug: Palbociclib
Drug: Standard Adjuvant Endocrine Therapy
Arm B
Standard adjuvant endocrine therapy for a duration of at least 5 years.
 Drug: Standard Adjuvant Endocrine Therapy


Outcome Measures
Go to 
Top of Page Study Description Study Design Arms and Interventions Outcome Measures Eligibility Criteria Contacts and Locations More Information

Primary Outcome Measures :
  1. Invasive Disease Free Survival (iDFS) [ Time Frame: 4 years ]
    Invasive disease-free survival (iDFS) for the combination of at least 5 years endocrine therapy and 2-year palbociclib treatment versus at least 5 years endocrine therapy alone in patients with histologically confirmed HR+/HER2- invasive early breast cancer (EBC) at 4 years. iDFS is defined as the time from randomization to the date of the first event: local/regional invasive ipsilateral recurrence, contralateral invasive breast cancer, distant recurrence, second primary invasive cancer of non-breast origin or death from any cause. Direct comparison between arms used time to iDFS events and Kaplan-Meier Log-rank analysis. Due to the medians not yet achieved, the percentage of patients considered iDFS at 4 years is reported.


Secondary Outcome Measures :
  1. Invasive Disease Free Survival (iDFS) Excluding Second Primary Invasive Cancers of Non-breast Origin. [ Time Frame: 4 years ]
    Invasive disease-free survival (iDFS, excluding second primary invasive cancers of non-breast origin) for the combination of at least 5 years endocrine therapy and 2-year palbociclib treatment versus at least 5 years endocrine therapy alone in patients with histologically confirmed HR+/HER2- invasive early breast cancer (EBC) at 4 years. iDFS excluding second primary invasive cancers of non-breast origin is defined as the time from randomization to the date of the first event: local/regional invasive ipsilateral recurrence, contralateral invasive breast cancer, distant recurrence, or death from any cause. Second primary invasive cancers of non-breast origin will not be considered as events for this endpoint. Direct comparison between arms used time to iDFS events and Kaplan-Meier Log-rank analysis. Due to the medians not yet achieved, the percentage of patients considered iDFS at 4 years is reported.

  2. Distant Recurrence-free Survival (DRFS) [ Time Frame: 4 years ]
    Compare time to distant recurrence-free survival (DRFS). Distant recurrence is defined according to STEEP criteria as the time from randomization to the date of the first event: distant recurrence or death from any cause. Patients with a locoregional recurrence will continue to be followed for DRFS. Surviving patients who are event-free will be censored at: the date of last disease assessment, or withdrawal of consent to be followed, or death whichever came first. Direct comparison between arms used time to DRFS events and Kaplan-Meier Log-rank analysis. Due to the medians not yet achieved, the percentage of patients considered DRFS at 4 years is reported.

  3. Overall Survival (OS) [ Time Frame: 4 years ]
    Compare overall survival (OS). Overall survival is defined as the time period between randomization and death. Surviving patients classified as lost-to-follow up or having withdrawn consent to be followed will be censored at their date of last contact or withdrawal of consent to be followed, whichever occurs first.

  4. Locoregional Recurrences-free Survival (LRRFS) [ Time Frame: 4 years ]
    Compare locoregional recurrence-free survival (LRRFS). LRRFS is defined as the time from randomization to the date of the first event: local/regional invasive ipsilateral recurrence, contralateral invasive breast cancer, or death from any cause. Patients with second primary invasive cancers of non-breast origin or distant recurrence will be censored at the date of diagnosis. Surviving patients who are event-free will be censored at: the date of last disease assessment, or withdrawal of consent to be followed, whichever occurs first.


Eligibility Criteria
Go to 
Top of Page Study Description Study Design Arms and Interventions Outcome Measures Eligibility Criteria Contacts and Locations More Information

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Layout table for eligibility information
Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Signed informed consent prior to study specific procedures.
  • Age ≥18 years (or per national guidelines).
  • Pre- and postmenopausal women or men with Stage II (Stage IIA limited to max. 1000 patients) or Stage III early invasive breast cancer
  • Patients with multicentric and/or multifocal and/or bilateral early invasive breast cancer are eligible if all histopathologically examined tumors meet pathologic criteria for ER+ and/or PR+ and HER2-.
  • Patients must have histologically confirmed ER+ and/or PR+, HER2-, early invasive breast cancer.
  • Patients must have undergone adequate (definitive) breast surgery for the current malignancy.

FFPE tumor tissue block must be confirmed to be received at the central sample repository prior to randomization.

  • ECOG performance status 0-1.
  • Patients must be able and willing to swallow and retain oral medication.
  • Serum or urine pregnancy test must be negative in premenopausal women within 14 days of randomization, or in women with amenorrhea of less than 12 months at time of randomization.
  • Patients who received neo/adjuvant therapy must be after last dose of chemotherapy and/or biologic therapy and must have sufficient resolution of side effects.
  • Patients who received breast/axilla/post-mastectomy chest wall radiotherapy must be after last dose of radiotherapy and must have sufficient resolution of side effects.
  • Patients must have sufficient resolution of any surgical side effects (no active wound healing complications).

-Patients must either be initiating or have already started adjuvant hormonal treatment. -

  • Patients who already received neo/adjuvant endocrine therapy are eligible as long as they are enrolled within 12 months of initial histological diagnosis and after completing no more than 6 months of adjuvant endocrine therapy.
  • Absolute neutrophil count ≥ 1,500/µL
  • Platelets ≥ 100,000/ mm3
  • Hemoglobin ≥ 10g/dL
  • Total serum bilirubin ≤ ULN; or total bilirubin ≤ 3.0 × ULN with direct bilirubin within normal range in patients with documented Gilbert's Syndrome.
  • Aspartate amino transferase (AST or SGOT) and alanine amino transferase (ALT or SGPT) ≤ 1.5 × institutional ULN.
  • Serum creatinine below the upper limit of the institutional normal range (ULN) or creatinine clearance ≥ 60 mL/min/1.73 m2 for patients with serum creatinine levels above institutional ULN.

Exclusion Criteria:

  • Concurrent therapy with other Investigational Products.
  • Prior therapy with any CDK inhibitor.
  • Patients with Stage I or IV breast cancer are not eligible.
  • History of allergic reactions attributed to compounds of chemical or biologic composition similar to palbociclib.
  • Patients receiving any medications or substances that are potent inhibitors or inducers of
  • CYP3A isoenzymes within 7 days of randomization.
  • Uncontrolled intercurrent illness that would limit compliance with study requirements.
  • Pregnant women, or women of childbearing potential without a negative pregnancy test within 14 days prior to randomization.
  • Patients with a history of any malignancy are ineligible
  • Patients who previously received endocrine therapy within 5 years prior to diagnosis of the current malignancy.
  • Patients on antiretroviral therapy.
  • Patients with clinically significant history of any chronic liver disease.
  • Patients receiving concurrent exogenous hormone therapy (topical vaginal estrogen therapy is allowable).
Contacts and Locations
Go to 
Top of Page Study Description Study Design Arms and Interventions Outcome Measures Eligibility Criteria Contacts and Locations More Information

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02513394


Locations
Show Show 437 study locations
Sponsors and Collaborators
Alliance Foundation Trials, LLC.
Austrian Breast & Colorectal Cancer Study Group
NSABP Foundation Inc
PrECOG, LLC.
Breast International Group
Pfizer
Investigators
Layout table for investigator information
Principal Investigator: Evanthia Galanis, MD Alliance Foundation Trials, LLC.
Principal Investigator: Erica Mayer, MD Dana-Farber Cancer Institute
Principal Investigator: Angela DeMichele, MD University of Pennsylvania
Principal Investigator: Michael Gnant, MD ABCSG, Medical University Vienna
  Study Documents (Full-Text)

Documents provided by Alliance Foundation Trials, LLC.:
Study Protocol and Statistical Analysis Plan  [PDF] December 23, 2020

More Information
Go to 
Top of Page Study Description Study Design Arms and Interventions Outcome Measures Eligibility Criteria Contacts and Locations More Information
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

Layout table for additonal information
Responsible Party: Alliance Foundation Trials, LLC.
ClinicalTrials.gov Identifier: NCT02513394    
Other Study ID Numbers: AFT-05
ABCSG 42 ( Other Identifier: ABCSG GmbH )
BIG 14-03 ( Other Identifier: Breast International Group )
2014-005181-30 ( EudraCT Number )
First Posted: July 31, 2015    Key Record Dates
Results First Posted: April 13, 2022
Last Update Posted: January 24, 2024
Last Verified: April 2023
Keywords provided by Alliance Foundation Trials, LLC.:
HR+/HER2- breast cancer
Palbociclib
Additional relevant MeSH terms:
Layout table for MeSH terms
Breast Neoplasms
Neoplasms by Site
Neoplasms
Breast Diseases
Skin Diseases
 Palbociclib
Antineoplastic Agents
Protein Kinase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action