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Anatomic Stage IV Breast Cancer AJCC v8Phase 2ASPIRENCT03691493

Radiation Therapy, Palbociclib, and Hormone Therapy in Treating Breast Cancer Patients With Bone Metastasis

A Phase 2 study testing Anastrozole, Exemestane and Fulvestrant in people with Anatomic Stage IV Breast Cancer AJCC v8 and Estrogen Receptor Positive, run by Emory University at 10 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

This phase II trial studies how well radiation therapy given with standard care palbociclib and hormone therapy work in treating patients with breast cancer that has spread from one part of the body to the bone. Radiation therapy uses high energy x-rays to kill tumor cells and shrink tumors. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Anastrozole, Exemestane and Fulvestrant
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
36 participants
Where
10 sitesUnited States
Study dates
8 Feb 2019to 13 Oct 2022
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Pathologically confirmed metastatic breast cancer
  • Known estrogen, progesterone, and human epidermal growth factor receptor 2 (Her2) status of either primary tumor or metastasis
  • Metastatic estrogen receptor positive (ER+) or progesterone receptor positive (PR+), Her2/neu negative breast cancer patients with imaging confirming bone metastasis within 60 days of radiation simulation
  • Must be actively receiving palbociclib (125 or 100 mg PO daily for 3 weeks followed by a week off during 28-day cycles) plus one of the following hormone therapies for at least 28 days:
  • Fulvestrant (500 mg IM injection on days 1 and 15 cycle one and then on day one of each subsequent cycle (28 days) -or-
  • Letrozole (2.5 mg PO daily) -or-
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  • Anastrozole (1 mg PO daily) -or-
  • Exemestane (25 mg PO daily) -or-
  • Tamoxifen (20 mg PO daily)
  • Patients must be willing and able to provide written informed consent/assent for the trial
  • Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2
  • Karnofsky performance status (KPS) ≥ 60% within 60 days prior to registration
  • Must have bone disease that is either symptomatic (i.e. pain) or has a lytic or mixed lytic disease that can be assessed by computed tomography (CT), magnetic resonance imaging (MRI), bone scan or positron emission tomography (PET)/CT within 60 days prior to radiotherapy on this study
  • One previous line of chemotherapy in advanced disease is allowed
  • Appropriate stage for study entry based on the following diagnostic workup:
  • History and physical examination within 60 days prior to registration
  • Clinical grade CT scans of the chest, abdomen, and pelvis with radionuclide bone scan OR whole body PET/CT documenting metastatic disease prior to radiotherapy on this protocol or MRI documenting site of metastatic disease to be treated on protocol
  • Patient must be eligible for palliative radiotherapy (conventional radiation either 30 Gy in 10 fractions or 20 Gy in 5 fractions) for up to 4 separate anatomic regions containing bone metastases defined by 4 separate and not overlapping radiation plans
  • Absolute neutrophil count ≥ 1000/mcl (obtained within 14 days prior to registration on study)
  • Platelets ≥ 75,000 mm³ (obtained within 14 days prior to registration on study)
  • Hemoglobin ≥ 8.0 g/dl (obtained within 14 days prior to registration on study) (Note: The use of transfusion or other intervention to achieve hemoglobin [Hgb] ≥ 8.0g/dl is acceptable) (obtained within 60 days prior to registration on study)
  • For females of child-bearing potential, negative serum or urine pregnancy test within 14 days prior to radiation simulation
  • The patient or a legally authorized representative must provide study-specific informed consent prior to study entry
  • Prior Treatment:
  • Patients may or may not have received radiotherapy or neoadjuvant or adjuvant chemotherapy in the treatment of their initial, non-metastatic breast cancer, but must be entered on study after their last dose of radiotherapy, last cycle of chemotherapy and biologic therapy (if applicable) and have sufficient resolution of side effects per physician assessment at time of radiotherapy
  • Patients must have not active wound healing issues from surgery and sufficient resolution of surgical side effects, per physician assessment, at time of radiotherapy
  • If patients have one line of chemotherapy for advanced disease, patients must be entered on study after their last dose of chemotherapy and have sufficient resolution of side effects per physician assessment at time of radiotherapy
  • Patients must have already initiated palbociclib (3 weeks on, 1 week off) and hormone therapy for at least 28 days prior to radiotherapy
  • During radiotherapy, no other investigation or commercial agents or therapy for cancer other than palbociclib, bisphosphonates, rank ligand inhibitors, and hormone therapy should be administered
  • Patients may have received bisphosphonates or rank ligand inhibitors prior to enrollment on study

Who cannot join

  • Co-existing or prior invasive non-breast malignancy (except non-melanomatous skin cancer), unless disease free for a minimum of 3 years
  • Previous radiation dose, date, fraction size, must be reported for prior invasive malignancy
  • Previous palliative radiation to the disease to be treated on protocol (including radiopharmaceuticals)
  • Patients prescribed stereotactic body radiation therapy (SBRT) for bone metastasis to be treated on this protocol will be excluded
  • Metastases to be treated on protocol located within 2 cm from a previously irradiated structure:
  • Spinal cord previously irradiated to > 40 Gy (delivered in ≤ 3 Gy/fraction)
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  • Brachial plexus previously irradiated to > 50 Gy (delivered in ≤ 3 Gy/fraction)
  • Small intestine, large intestine, or stomach previously irradiated to > 45 Gy (delivered in ≤ 3 Gy/fraction)
  • Brainstem previously irradiated to > 50 Gy (delivered in ≤ 3 Gy/fraction)
  • Whole lung previously irradiated with prior V20 Gy > 35% (delivered in ≤ 3 Gy/fraction)
  • Untreated brain metastases or unstable/progressive brain metastases (imaging of treated brain metastases must be performed within 28 days of registration for this protocol to confirm brain metastases stability)
  • Severe, active co-morbidity such as congestive heart failure (CHF) or unstable angina within last 6 months, transmural myocardial infarction within the last 6 months. Acute bacterial or fungal infection requiring intravenous (IV) antibiotics at time of registration, chronic obstructive pulmonary disease (COPD) or other respiratory illness requiring hospitalization at time of registration
  • Lactating females must cease expression of milk prior to registration
  • Temperature above 100.4° Fahrenheit
  • Human immunodeficiency virus (HIV) positive with cluster of differentiation 4 (CD4) count < 200 cells/ microliter. HIV positive patients are eligible, provided they are receiving treatment with highly active antiretroviral therapy (HAART) and have a CD4 count > 200 cells/microliter within 28 days prior to registration. HIV testing is not required for eligibility for this protocol. This exclusion criteria is necessary because the treatments involved in this protocol may be significantly immunosuppressive
  • Previous chemotherapy or radiotherapy within 2 weeks prior to registration or patients who have not recovered from adverse events due to previous chemotherapy and radiotherapy
  • Has a known additional malignancy that is progressing or requires active treatment. Exceptions include basal cell carcinoma of the skin or squamous cell carcinoma of the skin that has undergone potentially curative therapy. Indolent cancers (such as low risk prostate or In-Situ cancers) that are not being treated are acceptable
  • Has active autoimmune disease that has required continued systemic treatment in the past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment
  • Has an active infection requiring systemic therapy
  • Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator
  • Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial
  • Cannot receive concurrent cytotoxic chemotherapy (e.g. taxanes, cytoxan, anthracyclines, platinum based aged, capecitabine) at time of registration or during radiation treatment on this study
  • Is pregnant or breastfeeding or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 90 days after the last dose of trial treatment
  • Absolute neutrophil count < 1000/microliter (mcl)
  • Platelets < 75,000 mm
  • Hemoglobin < 8.0 g/dl
  • Concurrent therapy with other investigational products is not allowed
  • Receiving medications or substances that are potent inhibitors or inducers of cytochrome P450, family 3, subfamily A (CYP3A) isoenzymes, as palbociclib is primarily metabolized by CYP3A4 enzymes, within 7 days of registration:
  • Inhibitors - boceprevir, clarithromycin, indinavir, delavirdine, conivaptan, itraconazole, ketoconazole, lopinavir, mibefradil, miconazole, nefazodone, nelfinavir, posaconazole, ritonavir, saquinavir, suboxone, telaprevir, telithromycin, voriconazole, amprenavir, atazanavir, diltiazem, erythromycin, fosamprenavir, verapamil, and grapefruit, grapefruit juice or any product containing grapefruit
  • Inducers - carbamazepine, phenytoin, primidone, rifampin, rifapentine, St. John's wort, felbamate, nevirapine, phenobarbital, rifabutin
  • Receiving hormone replacement therapy (e.g. topical estrogens, but not intra-vaginal preparations, raloxifene, megestrol acetate)
  • Patients with clinical signs of cord compression, patients with radiographic evidence of cord compression are eligible for enrollment but cannot have clinical signs of cord compression

Trial locations and contacts

10 sites in 1 country.

10 sites in 1 country

United States10 sites

  • Grady Health System

    Atlanta, Georgia, 30303

  • Emory University Hospital Midtown

    Atlanta, Georgia, 30308

  • Piedmont Hospital

    Atlanta, Georgia, 30309

  • Emory University Hospital/Winship Cancer Institute

    Atlanta, Georgia, 30322

  • Emory Saint Joseph's Hospital

    Atlanta, Georgia, 30342

  • Northside Hospital

    Atlanta, Georgia, 30342

  • Augusta University Medical Center

    Augusta, Georgia, 30912

  • John B. Amos Cancer Center

    Columbus, Georgia, 31904

  • Maine Medical Center-Bramhall Campus

    Portland, Maine, 04102

  • Lewis Cancer and Research Pavilion at Saint Joseph's/Candler

    Savannah, Georgia, 31405

Other trials in United States

About this study

Official title: A Phase II Multi-Institutional Study of Concurrent Radiotherapy, Palbociclib, and Hormone Therapy for Treatment of Bone Metastasis in Breast Cancer Patients

This phase II trial studies how well radiation therapy given with standard care palbociclib and hormone therapy work in treating patients with breast cancer that has spread from one part of the body to the bone. Radiation therapy uses high energy x-rays to kill tumor cells and shrink tumors. Palbociclib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Antihormone therapy, such as fulvestrant, letrozole, anastrozole, exemestane, or tamoxifen, may lessen the amount of estrogen made by the body. Giving radiation therapy, palbociclib, and hormone therapy may work better in treating breast cancer patients with bone metastasis.

Read the detailed description

PRIMARY OBJECTIVE:

  1. To evaluate the response rate three months post-conventionally fractionated radiotherapy, relative to baseline, for bone metastases in breast cancer patients receiving concurrent palbociclib and hormone therapy treatment.

SECONDARY OBJECTIVES:

  1. To determine whether conventionally fractionated radiotherapy in combination with palbociclib and hormone therapy in breast cancer patients with bone metastases adversely increases the frequency and severity of palbociclib toxicities including grade 3 neutropenia.

II. To determine whether radiotherapy in combination with palbociclib in breast cancer patients with bone metastases adversely increases the frequency and severity of radiotherapy toxicities including neurological and bone injury.

III. To assess fatigue, quality of life, and depression before and after radiotherapy for bone metastases in metastatic breast cancer patients treated with palbociclib.

IV. To determine progression free survival (PFS) and overall survival (OS) in breast cancer patients treated with palbociclib and concurrent radiotherapy to bone metastases.

  1. To evaluate the relationship between volume of irradiated bone and side effects of treatment, including leukopenia and neutropenia.

TRANSLATIONAL RESEARCH OBJECTIVES:

  1. To collect, store, and analyze circulating tumor-derived deoxyribonucleic acid (ctDNA) in metastatic breast cancer patients treated with palbociclib and radiotherapy to bone metastases and to determine the relationship between ctDNA and responders versus non-responders, PFS, and OS.

II. To collect, store, and analyze plasma for inflammatory cytokine measurements and determine their relationship with fatigue, depression, and quality of life before and after radiotherapy for bone metastases in metastatic breast cancer patients treated with palbociclib.

III. To collect, store, and analyze ribonucleic acid (RNA) for gene expression to identify functional biology processes over-represented in genes differentially regulated among patients who develop toxicities versus those who do not and those who are responders versus those who are not and to identify transcriptional regulatory pathways driving observed differences in gene expression.

OUTLINE:

Patients undergo conventional radiation therapy over 5-10 days and receive palbociclib orally (PO) once daily (QD) on days 1-21. At the discretion of treating physician, patients also receive letrozole, anastrozole, exemestane, or tamoxifen PO QD on days 1-28, or fulvestrant intramuscularly (IM) on days 1 and 15 of cycles 1 and on day 1 of subsequent cycles. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up at 1 and 3 months.

Being tested
Anastrozole, Exemestane, Fulvestrant, Letrozole, Palbociclib
Medical subject headings
Breast Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • AnastrozoleDrug

    Also called Arimidex, ICI D1033, ZD-1033

    Given PO

  • ExemestaneDrug

    Also called Aromasin, FCE-24304

    Given PO

  • FulvestrantDrug

    Also called Faslodex, ICI 182,780, ZD9238

    Given IM

  • LetrozoleDrug

    Also called CGS 20267, Femara

    Given PO

  • PalbociclibDrug

    Also called Ibrance, PD-0332991

    Given PO

  • Radiation TherapyRadiation

    Also called Cancer Radiotherapy, Irradiation, Radiation, Radiotherapeutics

    Undergo radiation therapy

  • TamoxifenDrug

    Also called Soltamox, Nolvadex

    Given PO

Study groups in NCT03691493
Study groupRoleWhat they receive
Radiation, palbociclib, hormone therapyExperimentalPatients undergo radiation therapy over 5-10 days and receive palbociclib PO QD on days 1-21. At the discretion of treating physician, patients also receive letrozole, anastrozole, exemestane, or tamoxifen PO QD on days 1-28, or fulvestrant IM on days 1 and 15 of cycle 1 and on day 1 of subsequent cycles. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
Receives: Drug: Anastrozole; Drug: Exemestane; Drug: Fulvestrant; Drug: Letrozole; Drug: Palbociclib; Radiation: Radiation Therapy; Drug: Tamoxifen

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Response Rate

    Response rate will be estimated as the number of responders divided by the number of patients evaluated for response. Among patients who present with pain, responders will be considered those patients who have a 2 point decrease in the Brief Pain Inventory (BPI), and among those who do not present with pain (radiotherapy due to risk of unstable fracture or cord compression), responders will be considered those without development of a pathologic fracture or neurologic compromise (cord compression) due to cancer on imaging.

    Measured: Up to 3 months post radiation

Secondary outcomes (10)

  1. Response Rate Incorporating BPI and Analgesic Measures According to International Bone Consensus Guideline Criteria

    Response rate will be estimated as the number of responders divided by the number of patients evaluated for response. Among patients who present with pain, responders will be considered those patients who fulfill the International Bone Consensus response criteria using the BPI item rating maximum pain over the last 3 days at the index site and analgesic usage for the treated site within the last 24 hours prior to assessment. Among patients who do not present with pain (radiotherapy due to risk of unstable fracture or cord compression), responders will be considered those without development of a new pathologic fracture or worsening neurologic compromise (cord compression) due to cancer on imaging.

    Measured: Up to 3 months post radiation

  2. Number of Participants With Adverse Events Graded According to Common Terminology Criteria for Adverse Events (CTCAE) Version 5.0

    Adverse events, such as bone fracture following radiotherapy, any grade 3 toxicity (except neutropenia or leukopenia), grade 4 neutropenia, grade 4 leukopenia, grade 3 febrile neutropenia, or grade 3 brachial plexopathy or spinal cord injury, will be summarized descriptively.

    Measured: Up to 3 months post radiation

  3. Progression-free Survival (PFS)

    PFS will be estimated using the Kaplan-Meier method.

    Measured: Up to 44 months post radiation

  4. Overall Survival (OS)

    OS will be estimated using the Kaplan-Meier method.

    Measured: Up to 44 months post radiation

  5. Fatigue as Measured by The Multidimensional Fatigue Inventory (MFI)

    Fatigue will be assessed before and after radiotherapy. The Multidimensional Fatigue Inventory (MFI) is a comprehensive self-report instrument designed to measure fatigue. It consists of 20 items rated on a 7-point scale and covers dimensions such as General Fatigue, Physical Fatigue, Mental Fatigue, Reduced Motivation, and Reduced Activity. Each question is score on a 1 to 5 scale, with 1 being 'yes, that is true' and 5 being 'No, that is not true'. The minimum score is 20 and the maximum score is100. The higher the score indicates fatigue.

    Measured: Pre-radiation on day 1, Last Day of radiation (5-10 days), 1 month post radiation, and 3 months post radiation, change last day of radiation, change 1 month post radiation, change 3 months post radiation

  6. Quality of Life as Measured by Short Form Health Survey (SF-36)

    Quality of life will be assessed before and after radiotherapy. The SF-36 measures eight scales: physical functioning (PF), role physical (RP), bodily pain (BP), general health (GH), vitality (VT), social functioning (SF), role emotional (RE), and mental health (MH) Each scale is the weighted sum of the questions in their section and are directly transformed into a 0-100 scale i.e., the minimum score is 0, maximum is 100 A higher score indicates less disability Total score on the SF-36 is the summation of all the eight scales

    Measured: Pre-radiation on day 1, Last Day of radiation (5-10 days), 1 month post radiation, and 3 months post radiation, change last day of radiation, change 1 month post radiation, change 3 months post radiation

  7. Quality of Life as Measured by European Organization for Research and Treatment of Cancer Metastases Module (EORTC QLQ-BM22)

    Quality of life will be assessed before and after radiotherapy.

    EORTC QLQ-BM22 measures four multi-item scales: painful sites, functional interference, painful characteristics, and psychosocial aspects Each item is scaled from 1 (not at all) to 4 (very much) and directly transformed into a 0-100 scale A higher score in symptom scales indicates greater distress. A higher score in functional scales indicates greater functional ability

    Measured: Pre-radiation on day 1, Last Day of radiation (5-10 days), 1 month post radiation, and 3 months post radiation, change last day of radiation, change 1 month post radiation, change 3 months post radiation

  8. Quality of Life as Measured by European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 15 for Palliative Care (EORTC QLQ-C15-PAL)

    Quality of life will be assessed before and after radiotherapy. The EORTC QLQ-C15-PAL measures seven scales: physical functioning, global health status, emotional functioning, fatigue, nausea/vomiting, appetite loss, and constipation For questions 1-14, each item is scaled from 1 (not at all) to 4 (very much) . For question 15 (global QoL), patients respond to a seven-point numerical scale from 1 (very poor overall) to 7 (excellent overall). The scale is scored from 0 to 100. A higher score in symptom scales indicates greater distress.

    A higher score in functional scales indicates greater functional ability. A higher score in global health status indicates a high quality of life.

    Each subscore is computed using the Addendum to the EORTC QLQ-C30 Scoring Manual: Scoring of the EORTC QLQ-C15-PAL.

    Measured: Pre-radiation on day 1, Last Day of radiation (5-10 days), 1 month post radiation, and 3 months post radiation, change last day of radiation, change 1 month post radiation, change 3 months post radiation

  9. Depression as Measured by Hospital Anxiety and Depression Scale (HADS)

    Depression will be assessed before and after radiotherapy. The Hospital Anxiety and Depression Scale (HADS) is a 14-item tool used to screen for anxiety and depression, which commonly coexist. The HADS produces a subscale for anxiety (HADS-A) and a separate subscale for depression (HADS-D). The respondent rates each item on a 4-point scale ranging from 0 (absence) to 3 (extreme presence). The total score is out of 42, (21 per subscale) and the range is 0-42. Scores are derived by summing responses for each of the two subscales or for the scale as a whole. Higher scores indicate greater levels of anxiety or depression. The total HADS score may be regarded as a global measure of psychological distress.

    Measured: Pre-radiation on day 1, Last Day of radiation (5-10 days), 1 month post radiation, and 3 months post radiation, change last day of radiation, change 1 month post radiation, change 3 months post radiation

  10. Number of Participants With Adherence as Measured by Drug Diary

    Adherence will be determined by number of days drug taken divided by number of days drug should have been taken over the time period of the study.

    Measured: Pre-radiation on day 1, Last Day of radiation (5-10 days), 1 month post radiation, and 3 months post radiation, change last day of radiation, change 1 month post radiation, change 3 months post radiation

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted1 Oct 2018
  2. Study start8 Feb 2019
  3. Primary completion13 Oct 2022
  4. Study completion13 Oct 2022

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
36 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03691493
Sponsor's protocol ID
IRB00105944
Other IDs
NCI-2018-02000, Winship4472-18, P30CA138292
Acronym
ASPIRE
Status last verified
Feb 2025
First submitted
28 Sep 2018
Last updated
17 Feb 2025
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Anastrozole, Exemestane and Fulvestrant in people with Anatomic Stage IV Breast Cancer AJCC v8 and Estrogen Receptor Positive, run by Emory University at 10 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 30 inclusion and 32 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 17 Feb 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 10 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 17 Feb 2025). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Response Rate (time frame: Up to 3 months post radiation). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03691493.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Feb 2025.

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