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Completed

NCT Number: NCT02308020

A Study of Abemaciclib (LY2835219) in Participants With Breast Cancer, Non-small Cell Lung Cancer, or Melanoma That Has Spread to the Brain

The main purpose of this study is to evaluate the safety and effectiveness of the study drug known as abemaciclib in participants with hormone receptor positive breast cancer, non-small cell lung cancer (NSCLC), or melanoma that has spread to the brain.

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Key information

Conditions

Breast Cancer Brain Diseases Brain Metastases Brain Neoplasms Breast Diseases Breast Neoplasms Bronchial Neoplasms Carcinoma, Bronchogenic Carcinoma, Non-Small-Cell Lung Central Nervous System Diseases Central Nervous System Neoplasms Lung Diseases Lung Neoplasms Melanoma Neoplasms Neoplasms by Histologic Type Neoplasms by Site Neoplasms, Germ Cell and Embryonal Neoplasms, Nerve Tissue Nervous System Diseases Nervous System Neoplasms Neuroectodermal Tumors Neuroendocrine Tumors Nevi and Melanomas Non-small Cell Lung Cancer Respiratory Tract Diseases Respiratory Tract Neoplasms Skin Diseases Skin Neoplasms Skin and Connective Tissue Diseases Thoracic Neoplasms

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2

Primary location

For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician., Nedlands, Australia

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Have brain metastases secondary to hormone receptor positive breast cancer, NSCLC, or melanoma.
  • Have either human epidermal growth factor receptor 2 positive (HER2+) (Study Part A) or negative HER2- (Study Part B) breast cancer.
  • Participants in Study Part C must have HR+ breast cancer, NSCLC, or melanoma with brain lesions clinically indicated for surgical resection as well as consent to provide tissue for drug concentration determination after 5 to 14 days of study drug dosing.
  • Participants in Part D must have NSCLC of any subtype.
  • Participants in Part E must have melanoma of any subtype.
  • Participants in Part F must have HR+ breast cancer, NSCLC, or melanoma with leptomeningeal metastases.
  • For Parts A, B, D, and E: Must have at least 1 measurable brain lesion ≥10 millimeters (mm) in the longest diameter (LD).
  • For Part C (surgical): Have metastatic brain lesion(s) for which surgical resection is clinically indicated.
  • Have completed local therapy (surgical resection, whole-breast radiotherapy (WBRT), or SRS) ≥14 days prior to initiating abemaciclib and recovered from all acute effects.
  • If receiving concomitant corticosteroids, must be on a stable or decreasing dose for at least 7 days prior to the baseline Gd-MRI.
  • Have a Karnofsky performance status of ≥70.
  • Have a life expectancy ≥12 weeks.
  • For HR+ breast cancer participants in part A, B, C, and F: If currently receiving endocrine therapy, a participant may continue to receive the same endocrine therapy provided that extracranial disease is stable for at least 3 months and central nervous system (CNS) disease progression has occurred while on this endocrine therapy. If these conditions are not met, participants must discontinue endocrine therapy prior to initiation of abemaciclib.
  • For HER2+ breast cancer participants in parts A, C, and F: participants may receive concurrent treatment (ongoing or initiated simultaneously with abemaciclib) with IV trastuzumab.
  • For NSCLC participants in parts C, D, and F: if currently receiving gemcitabine or pemetrexed (single-agent or in combination with another therapy), a participant may continue to receive 1 of these 2 therapies provided that extracranial disease is stable for at least 6 weeks and CNS disease progression has occurred while on this therapy.
  • Have adequate organ function.

Exclusion criteria

  • Require immediate local therapy, including but not limited to WBRT, SRS, or surgical resection, for treatment of brain metastases.
  • Are taking concurrent enzyme-inducing antiepileptic drugs (EIAED).
  • Have evidence of significant (ie, symptomatic) intracranial hemorrhage.
  • For Parts A, B, C, D, E: Have evidence of leptomeningeal metastases. Note: discrete dural metastases are permitted.
  • Have experienced >2 seizures within 4 weeks prior to study entry.
  • For Parts A, B, D, E, and F: Have previously received treatment with any cyclin dependent kinase 6 (CDK6) inhibitor. For Part C participants may have received prior palbociclib or ribociclib, but not abemaciclib treatment.
  • Have known contraindication to Gd-MRI.
  • Have a preexisting chronic condition resulting in persistent diarrhea.

Treatment and study plan

Abemaciclib

Drug

Administered orally

Other names: LY2835219

Primary outcomes

  1. Percentage of Participants Achieving Complete Response (CR) or Partial Response (PR): Objective Intracranial Response Rate (OIRR)

    Time frame: Baseline to Objective Disease Progression (Up to 36 Months)

    OIRR is the percentage of participants with a (CR) or (PR) based on the Response Assessment in Neuro-Oncology Brain Metastasis (RANO-BM) response criteria. CR is measurable target lesions, the disappearance of all central nervous system (CNS) target lesions for at least 4 weeks; no new lesions; no corticosteroids; stable or improved clinically. PR is at least a 30% decrease in the sum longest duration (LD) of CNS target lesions, taking as reference the baseline sum LD for at least 4 weeks; no new lesions; stable to decreased corticosteroid dose; stable or improved clinically. Nontarget lesions requires disappearance CNS non-target lesions and no new CNS lesions. Stable disease (SD) is less than (<)30% decrease relative to baseline but <20% increase in sum LD relative to nadir. Progressive disease (PD) is greater than or equal to (≥) 20% increase in sum LD relative to nadir and a relative increase of 20%, ≥1 lesion must increase by absolute value of ≥5 millimeter (mm).

Secondary outcomes

  1. Percentage of Participants With CR, PR, Stable Disease (SD), Progressive Disease (PD), or Not Evaluable (NE): Best Overall Intracranial Response (BOIR)

    Time frame: Baseline to Earliest Objective Progression or Start of New Anticancer Therapy (Up to 36 Months)

    Percentage of Participants with BOIR was categorized as CR, PR, SD, PD or NE, as defined by RANO-BM, from baseline until the earliest of objective progression according to brain metastases response criteria or start of new anticancer therapy. CR is measurable target lesions, the disappearance of all CNS target lesions for at least 4 weeks; no new lesions; no corticosteroids; stable or improved clinically. PR is at least a 30% decrease in the sum LD of CNS target lesions, taking as reference the baseline sum LD for at least 4 weeks; no new lesions; stable to decreased corticosteroid dose; stable or improved clinically. SD is <30% decrease relative to baseline but <20% increase in sum LD relative to nadir. PD is greater than or equal to (≥) 20% increase in sum LD relative to nadir and a relative increase of 20%, ≥1 lesion must increase by absolute value of ≥5 mm. NE is absent (no abnormality; normal), or non-evaluable (NE).

  2. Duration of CR or PR: Duration of Intracranial Response (DOIR)

    Time frame: Date of CR or PR to Date of Objective Disease Progression or Death from Any Cause (Up to 36 Months)

    DOIR is measured from the date of first evidence of a confirmed response (CR or PR), as defined by RANO-BM, to the date objective progression or death from any cause. CR is measurable target lesions, the disappearance of all CNS target lesions for at least 4 weeks; no new lesions; no corticosteroids; stable or improved clinically. PR is at least a 30% decrease in the sum LD of CNS target lesions, taking as reference the baseline sum LD for at least 4 weeks; no new lesions; stable to decreased corticosteroid dose; stable or improved clinically. Participants who have neither progressed nor died were censored on the day of their last radiographic tumor assessment or on the date of response. PD is greater than or equal to (≥) 20% increase in sum LD relative to nadir and a relative increase of 20%, ≥1 lesion must increase by absolute value of ≥5 mm. DOIR was summarized using Kaplan-Meier estimates.

  3. Percentage of Participants With Best Overall Intracranial Response (BOIR) of CR, PR, or SD: Intracranial Disease Control Rate (IDCR)

    Time frame: Baseline to Disease Progression or Start of New Anticancer Therapy (Up to 36 Months)

    Percentage of participants with BOIR of CR, PR, or SD: IDCR, as defined by RANO-BM is reported. CR is measurable target lesions, the disappearance of all central nervous system CNS target lesions for at least 4 weeks; no new lesions; no corticosteroids; stable or improved clinically. PR is at least a 30% decrease in the sum LD of CNS target lesions, taking as reference the baseline sum LD for at least 4 weeks; no new lesions; stable to decreased corticosteroid dose; stable or improved clinically. Nontarget lesions requires disappearance CNS non-target lesions and no new CNS lesions. SD is less than (<)30% decrease relative to baseline but <20% increase in sum LD relative to nadir. PD is greater than or equal to (≥) 20% increase in sum LD relative to nadir and a relative increase of 20%, ≥1 lesion must increase by absolute value of ≥5 mm.

  4. Percentage of Participants With BOIR of CR, PR, or SD With Duration of SD for at Least 6 Months: Intracranial Clinical Benefit Rate (ICBR)

    Time frame: Baseline to Disease Progression or Start of New Anticancer Therapy (Up to 36 Months)

    ICBR is the percentage of participants with BOIR of CR, PR, or SD with duration of SD for at least 6 months, as defined by RANO-BM. CR is measurable target lesions, the disappearance of all CNS target lesions for at least 4 weeks; no new lesions; no corticosteroids; stable or improved clinically. PR is at least a 30% decrease in the sum LD of CNS target lesions, taking as reference the baseline sum LD for at least 4 weeks; no new lesions; stable to decreased corticosteroid dose; stable or improved clinically. SD is <30% decrease relative to baseline but <20% increase in sum LD relative to nadir. PD is greater than or equal to (≥) 20% increase in sum LD relative to nadir and a relative increase of 20%, ≥1 lesion must increase by absolute value of ≥5 mm.

  5. Overall Survival (OS)

    Time frame: Baseline to the Date of Death from Any Cause (Up to 5 Years)

    OS was measured from baseline to the date of death from any cause. For each participant who is not known to have died as of the data-inclusion cutoff date for a particular analysis, OS was censored for that analysis at the date of last contact prior to the data inclusion cutoff date (contacts considered in the determination of last contact date include adverse event (AE) date, tumor assessment date, visit date, and last known alive date). OS was summarized using Kaplan-Meier estimates.

  6. Percentage of Participants With a Best Response of CR or PR: Extracranial Objective Response Rate (EORR)

    Time frame: Baseline to Disease Progression (Up to 36 Months)

    The percentage of participants with a best response of CR or PR objective response rate is complete response (CR) + partial response (PR), as classified by the investigators according to the Response Evaluation Criteria In Solid Tumors (RECIST v1.1) guidelines. CR is disappearance of all target and non-target lesions; PR is ≥30% decrease in sum of longest diameter of target lesions. PD is defined as at least a 20% increase in the sum LD of CNS target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study) and the 20% increase must be at least one lesion must increase by an absolute value of ≥5 mm to be considered progression.

  7. Percentage of Participants With a Best Overall Response of CR, PR, or SD: Extracranial Disease Control Rate (EDCR)

    Time frame: Baseline to Disease Progression or Start of New Anticancer Therapy (Up to 36 Months)

    Disease control rate (DCR) (CR+ PR+ SD) per RECIST v1.1. is defined as the percentage of participants with best overall response of CR, PR, or SD. CR is disappearance of all target and non-target lesions; PR is ≥30% decrease in sum of longest diameter of target lesions. PD is defined as at least a 20% increase in the sum LD of CNS target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study) and the 20% increase must be at least one lesion must increase by an absolute value of ≥5 mm to be considered progression.

  8. Progression Free Survival (PFS) Bi-compartmental

    Time frame: Baseline to Objective Disease Progression or Death from Any Cause (Up to 36 Months)

    PFS was measured from baseline to objective progression (intracranial or extracranial) as defined by (RANO-BM.) or death from any cause. Participants who have neither progressed nor died were censored at the day of their last radiographic tumor assessment. PD is greater than or equal to (≥) 20% increase in sum LD relative to nadir and a relative increase of 20%, ≥1 lesion must increase by absolute value of ≥5 mm. PFS was summarized using Kaplan-Meier estimates.

  9. Change From Baseline in Neurologic Symptoms on the MD Anderson Inventory-Brain Tumor (MDASI-BT) Subscale

    Time frame: Baseline, Cycle 3 (Up to 63 Days)

    The MDASI-BT is an instrument to assess multi-symptoms in participants with brain tumor metastases (including those with brain metastases secondary to breast cancer). The MDASI-BT of participants with a change from baseline is reported as mean core symptoms, mean brain tumor symptoms, and symptom groupings (mean focal neurologic deficit, mean generalized/disease status symptoms, and mean gastrointestinal symptoms). The mean of all symptom subscale items was calculated where 0 equals "not present" and 10 equals "as bad as you can imagine." A change from baseline with negative values indicate improvement, positive values indicate worsening.

  10. Pharmacokinetics (PK): Steady State Minimum Concentration (Cmin) of Abemaciclib and Its Metabolites LSN2839567 (M2), LSN3106726 (M20), and LSN3106729 (M18)

    Time frame: Parts A, B, D, E, F, Cycle 3, Day 1: Predose; Part C, Cycle 4, Day 1: Predose

    A PK plasma sample was taken prior to abemaciclib dose to analyze the minimum concentrations of abemaciclib and its metabolites (Cmin) - Individual Cmin values were averaged if there were 3 or more available data points, otherwise individual data are reported.

Sponsors and collaborators

Lead sponsor

Eli Lilly and Company

Industry

Registry information

Official study title

A Phase 2 Study of Abemaciclib in Patients With Brain Metastases Secondary to Hormone Receptor Positive Breast Cancer, Non-small Cell Lung Cancer, or Melanoma

Important dates

Study start
2015
Primary completion
2018
Study completion
2019
First posted
Dec 4, 2014
Registry last updated
Dec 19, 2020

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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