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Abemaciclib Monotherapy in Treating Older Patients With Hormone Receptor Positive Metastatic Breast Cancer

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ClinicalTrials.gov Identifier: NCT04305834
Recruitment Status : Suspended (pending amend)
First Posted : March 12, 2020
Last Update Posted : July 9, 2021
Sponsor:
Collaborator:
National Cancer Institute (NCI)
Information provided by (Responsible Party):
City of Hope Medical Center

Brief Summary:
This phase IIa trial studies the side effects of abemaciclib monotherapy in treating patients age 70 years and older with hormone receptor positive, HER2 negative breast cancer that has spread to other places in the body.

Condition or disease Intervention/treatment Phase
Anatomic Stage IV Breast Cancer AJCC v8 Hormone Receptor Positive Breast Carcinoma Metastatic Breast Carcinoma Prognostic Stage IV Breast Cancer AJCC v8 Drug: Abemaciclib Other: Questionnaire Administration Phase 2

Detailed Description:

PRIMARY OBJECTIVE:

I. To estimate the incidence of grade 3 or higher toxicities attributed to abemaciclib monotherapy in adults aged 70 or older with hormone receptor positive metastatic breast cancer.

SECONDARY OBJECTIVES:

I. To describe the full toxicity profile including all grade 2 and higher adverse events, and patient-reported adverse events (AEs) using Patients Reported Outcomes (PRO)-Common Terminology Criteria for Adverse Events (CTCAE) measures.

II. To describe rates of dose reductions, dose holds, treatment discontinuations due to factors other than progression, and hospitalizations.

III. To estimate median (and 95% confidence interval [CI]) failure-free survival, progression-free survival and overall survival.

IV. To describe the results of Was It Worth It (WIWI) and Overall Treatment Utility (OTU) questionnaires.

V. To describe the rate of adherence to abemaciclib. VI. To determine average plasma steady-state abemaciclib Ctrough concentrations.

VII. To evaluate the association of adherence rate with abemaciclib plasma t-rough concentrations.

VIII. To describe associations between cancer-specific, comprehensive Geriatric Assessment (cGA) scores and the incidence of toxicities and their grade.

EXPLORATORY OBJECTIVE:

I. To determine the association between biomarkers of aging and grades 3 or higher toxicity.

OUTLINE:

Patients receive abemaciclib orally (PO) twice daily (BID) on days 1-28. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up at 30 days, then every 6 months for 2 years.

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 40 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase IIA Trial Assessing the Tolerability of Abemaciclib Monotherapy in Patients Age 70 and Older With Hormone Receptor Positive Metastatic Breast Cancer
Actual Study Start Date : February 21, 2020
Estimated Primary Completion Date : February 3, 2022
Estimated Study Completion Date : February 3, 2022

Resource links provided by the National Library of Medicine

Drug Information available for: Abemaciclib

Arm Intervention/treatment
Experimental: Treatment (abemaciclib)
Patients receive abemaciclib PO BID on days 1-28. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
Drug: Abemaciclib
Given PO
Other Names:
  • LY-2835219
  • LY2835219
  • Verzenio

Other: Questionnaire Administration
Ancillary studies




Primary Outcome Measures :
  1. Incidence of grade 3 or higher toxicities [ Time Frame: Up to 30 days post treatment ]
    Adverse events will be characterized using the descriptions and grading scales found in the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version (v). 5.0.


Secondary Outcome Measures :
  1. Incidence of toxicities [ Time Frame: Up to 30 days post treatment ]
    Toxicities will be graded and named according to CTCAE v. 5.0.

  2. Incidence of toxicities [ Time Frame: Up to cycle 6 ]
    Toxicities will be captured by Patient Reported Outcome (PRO)-CTCAE.

  3. Dose reductions [ Time Frame: Up to cycle 6 ]
    Will assess rates of dose reductions.

  4. Dose holds [ Time Frame: Up to 30 days post treatment ]
    Will assess rates of dose holds.

  5. Treatment discontinuations due to factors other than progression [ Time Frame: Up to 30 days post treatment ]
    Will assess rates of treatment discontinuations.

  6. Hospitalizations [ Time Frame: Up to 2 years post treatment ]
    Will assess rates of hospitalizations.

  7. Time to end of treatment [ Time Frame: Up to end of treatment ]
    Will estimate median (and 95% confidence interval [CI]) failure-free survival using Kaplan-Meier estimates and through Cox regression to adjust for covariates.

  8. Progression free survival [ Time Frame: Up to 2 years post treatment ]
    Will estimate median (and 95% CI) progression-free survival using Kaplan-Meier estimates and through Cox regression to adjust for covariates.

  9. Overall survival [ Time Frame: Up to 2 years post treatment ]
    Will estimate median (and 95% CI) overall survival using Kaplan-Meier estimates and through Cox regression to adjust for covariates.

  10. Was It Worth It (WIWI) response [ Time Frame: Up to end of treatment ]
    Will be assessed using the WIWI questionnaire.

  11. Overall treatment utility (OTU) response [ Time Frame: Up to end of treatment ]
    Will be assessed using the OTU questionnaire.

  12. Adherence to abemaciclib [ Time Frame: Up to end of treatment ]
    Adherence defined as taking 90% of scheduled doses per cycle. Scheduled doses are assigned doses for the participant which may vary per participant depending on whether or not there a hold in treatment. Adherence will be calculated based on consolidation of pill diary with returned unused pills, and, for City of Hope (COH) Duarte patients, Medication Event Monitoring bottle caps.

  13. Average plasma steady-state abemaciclib C-trough concentrations [ Time Frame: Up to 2 years post treatment ]
  14. Pharmacokinetic (PK) parameter of plasma trough concentration [ Time Frame: Up to 2 years post treatment ]
    Will evaluate the association of adherence rate with abemaciclib plasma trough concentrations.

  15. Geriatric assessment scores [ Time Frame: Up to 2 years post treatment ]
    Domains include: functional status, co-morbid medical conditions, cognitive function, nutritional status, social support and psychological state, and a review of medications.

  16. Incidence of toxicities attributable to agent [ Time Frame: Up to 2 years post treatment ]
    Graded by CTCAE v 5.0.


Other Outcome Measures:
  1. Biological age via deoxyribonucleic acid (DNA) methylation level [ Time Frame: Up to 2 years post treatment ]
  2. Genome-wide methylome and transcriptome analyses [ Time Frame: Up to 2 years post treatment ]
  3. Incidence of toxicities at least possibly attributable to agent [ Time Frame: Up to 2 years post treatment ]
    Graded by CTCAE v 5.0.



Information from the National Library of Medicine

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Ages Eligible for Study:   70 Years and older   (Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Documented informed consent of the participant
  • Age >= 70 years
  • Life expectancy > 6 months
  • Ability to read and understand English or Spanish
  • Measurable or non-measurable disease
  • Histologically or cytologically confirmed diagnosis of:

    • Estrogen-receptor positive and/or progesterone receptor positive breast cancer determined by immunohistochemistry (IHC) methods according to the local institution standard protocol
    • HER2-negative breast cancer defined as negative if the IHC status is 0 or 1+, or if IHC is 2+ and in situ hybridization assay is negative per American Society of Clinical Oncology (ASCO)/College of American Pathologists (CAP) guidelines
  • Radiographically confirmed metastatic breast cancer
  • Progressed on prior endocrine therapy or palbociclib or ribociclib or chemotherapy
  • Patients who received chemotherapy recovered from the acute side effects to prior cancer therapy (except alopecia or residual grade 2 peripheral neuropathy) to =< grade 1 or baseline. A washout period of at least 21 days is required between last chemotherapy dose and randomization (provided the patient did not receive radiotherapy)
  • Patients who received radiotherapy must have completed and fully recovered from the acute effects of radiotherapy. A washout period of at least 14 days is required between end of radiotherapy and randomization
  • Absence of central nervous system (CNS) involvement unless they meet ONE of the following criteria:

    • Untreated brain metastases (e.g., lesions < 1 cm) not needing immediate local therapy
    • Previously treated brain metastases not needing immediate local therapy

      • At least 4 weeks from the last date of prior therapy completion (including radiation and/or surgery) to starting the study treatment
      • Clinically stable CNS tumor at the time of screening and not receiving steroids and/or enzyme-inducing anti-epileptic medications for brain metastases
  • Absence of interstitial lung disease/pneumonitis
  • Absolute neutrophil count (ANC) >= 1.5 X 10^9/L
  • Platelets >= 100 x 10^9/L
  • Hemoglobin >= 8 g/dL

    • (Patients may receive erythrocyte transfusions to achieve this hemoglobin level at the discretion of the investigator. Initial treatment must not begin earlier than the day after the erythrocyte transfusion)
  • In the absence of liver metastases, alanine aminotransferase (ALT) and aspartate aminotransferase (AST) =< 3.0 x upper limit of normal (ULN)

    • If the patient has liver metastases, ALT and AST < 5 x ULN
  • In patients without Gilbert's syndrome, total bilirubin =< 1.5 x ULN; In patients with Gilbert's syndrome, total bilirubin =< 2.0 x ULN or direct bilirubin within normal limits (WLN)
  • Creatinine clearance of >= 30 mL/min per 24 hour urine test or the Cockcroft-Gault formula

Exclusion Criteria:

  • Major surgery within 14 days prior to receiving study drug or has not recovered from major side effect
  • Patient is currently receiving any of the prohibited medications detailed below and cannot be discontinued 7 days prior to starting study drug

    • Other investigational therapy should be given to participants
    • Anticancer agents other than the study medications administered as part of this study protocol should be given to participants. If such agents are required for a participant then the participant must first be withdrawn from the study
    • Co-medication that may interfere with study results; e.g. immune-suppressive agents other than corticosteroids, such as systemic cyclosporine and tacrolimus are prohibited during the treatment phase of the study, unless discussed with principal investigator felt to be of low clinical risk to the participant
    • Use of herbal medications may have unknown interactions with the metabolism of the study agents, and therefore are prohibited from use during the treatment phase of the trial
  • Known hypersensitivity to any of the excipients of abemaciclib
  • Active systemic bacterial infection (requiring intravenous [IV] antibiotics at time of initiating study treatment), fungal infection, or detectable viral infection (such as known human immunodeficiency virus positivity or with known active hepatitis B or C (for example, hepatitis B surface antigen positive). Screening is not required for enrollment
  • Impairment of gastrointestinal (GI) function or GI disease that in the investigator's opinion may significantly alter the absorption of the study drugs (e.g., ulcerative diseases, uncontrolled nausea, vomiting, diarrhea, malabsorption syndrome, or small bowel resection)
  • History 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
  • Patient has any other concurrent severe or uncontrolled medical condition that would, in the investigator's judgment, cause unacceptable safety risks, contraindicate patient participation in the clinical study or compromise compliance with the protocol (e.g. chronic pancreatitis, chronic active hepatitis)
  • Inability to swallow oral medications
  • Serious or uncontrolled preexisting medical condition(s) that, in the judgment of the investigator, would preclude participation in this study (for example, interstitial lung disease, severe dyspnea at rest or requiring oxygen therapy, severe renal impairment [e.g. estimated creatinine clearance < 30 ml/min], history of major surgical resection involving the stomach or small bowel, or preexisting Crohn's disease or ulcerative colitis or a preexisting chronic condition resulting in baseline grade 2 or higher diarrhea)
  • History of non-compliance to medical regimen
  • Patients with a prior malignancy diagnosed within 2 years and with evidence of disease (except adequately treated, basal or squamous cell carcinoma, non-melanomatous skin cancer or curatively resected cervical cancer

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): NCT04305834


Locations
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United States, California
City of Hope Medical Center
Duarte, California, United States, 91010
Sponsors and Collaborators
City of Hope Medical Center
National Cancer Institute (NCI)
Investigators
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Principal Investigator: Mina S Sedrak City of Hope Medical Center
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Responsible Party: City of Hope Medical Center
ClinicalTrials.gov Identifier: NCT04305834    
Other Study ID Numbers: 19206
NCI-2019-08847 ( Registry Identifier: CTRP (Clinical Trial Reporting Program) )
19206 ( Other Identifier: City of Hope Medical Center )
P30CA033572 ( U.S. NIH Grant/Contract )
First Posted: March 12, 2020    Key Record Dates
Last Update Posted: July 9, 2021
Last Verified: July 2021

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Carcinoma
Breast Neoplasms
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Neoplasms
Neoplasms by Site
Breast Diseases
Skin Diseases