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Invasive Breast CancerPhase 2NCT00921115

Anti-Hormone Therapy (With Anastrazole and Fulvestrant) Before Surgery to Treat Postmenopausal Women With Breast Cancer.

A Phase 2 study testing Fulvestrant and Anastrazole in people with Invasive Breast Cancer, run by University of Kansas Medical Center at 1 site in United States.

Completed

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

Official record
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Trial summary

This study is being done to test the safety and effectiveness of two drugs, Anastrozole and Fulvestrant, used as combined therapy in the neo-adjuvant setting for hormone receptor positive invasive breast cancer. Read more about this study

Who is it for?
Ages 18 years and older, women only
Conditions the study is for
Invasive Breast Cancer
What is being tested?
Fulvestrant and Anastrazole
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
42 participants
Where
1 siteUnited States
Study dates
May 2009to 20 Mar 2023
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
  • Women only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Female patient > 18 years of age.
  • Histologically proven invasive adenocarcinoma of the breast.
  • Patients must be candidates for neoadjuvant treatment (Tumor size > 2cm and/or clinical N1 or N2).
  • ER positive (> 10% of cells) and/or PgR positive (> 10% of the cells) and HER-2 negative disease (IHC 0 or 1+ and/or FISH negative, IHC 2+ and FISH negative)
  • Menopausal status
  • Patients must be post-menopausal as defined by one of the following criteria:
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  • Prior bilateral oophorectomy
  • 12 months since LMP with no prior hysterectomy
  • Patients > 55 years with prior hysterectomy
  • Patients < 55 years of age and with a prior hysterectomy without oophorectomy, estradiol and FSH levels must be consistent with the patient being postmenopausal.
  • Premenopausal or perimenopausal women who do not meet the postmenopausal criteria above are also eligible, but are required to undergo ovarian suppression with an LHRH agonist. Ovarian suppression can be initiated any time prior to or on day 1 of protocol therapy and must continue throughout protocol therapy.
  • Performance status of 2 or better per SWOG criteria
  • No prior chemotherapy or endocrine therapy for the current cancer diagnosis.
  • If female of childbearing potential, pregnancy test is negative prior to initiation of ovarian suppression.
  • Patients must be informed of the investigational nature of the study, and must sign an informed consent in accordance with the institutional rules.
  • Oncotype Dx Recurrence Score </= 25.

Who cannot join

  • Patients with metastatic disease.
  • The presence of any other medical or psychiatric disorder that, in the opinion of the treating physician, would contraindicate the use of drugs in this protocol or place the subject at undue risk for treatment complications.
  • Premenopausal without ovarian suppression.
  • Pregnancy or lactation.
  • Patients with concomitant or previous malignancies within the last 5 years, with the exception of adequately treated basal or squamous cell carcinoma of the skin or carcinoma in situ of the cervix.
  • Patients with emotional limitations are excluded from study
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  • Platelets less than 100 x 109 /L
  • Total bilirubin greater than 1.5 x ULRR
  • ALT or AST greater than 2.5 x ULRR
  • History of bleeding diathesis (i.e., disseminated intravascular coagulation [DIC], clotting factor deficiency) or long-term anticoagulant therapy (other than antiplatelet therapy).
  • History of hypersensitivity to active or inactive excipients of fulvestrant (i.e. castor oil or Mannitol).
  • Oncotype Dx Recurrence Score of >25.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • University of Kansas Medical Center

    Kansas City, Kansas, 66160

Other trials in United States

About this study

Official title: Combined Fulvestrant and Anastrozole as Neo-adjuvant Endocrine Therapy in Postmenopausal Women With Hormone Receptor Positive Invasive Breast Cancer

This study is being done to test the safety and effectiveness of two drugs, Anastrozole and Fulvestrant, used as combined therapy in the neo-adjuvant setting for hormone receptor positive invasive breast cancer.

Read the detailed description

Hormonal therapies are generally preferred treatments of breast cancer because they have minimal side effects. Hormone receptor positive breast cancer generally does not respond very well to chemotherapy, which has many side effects. Hormonal therapy with a single drug such as Anastrozole is the main type of treatment used to reduce the risk of cancer recurrence. Whether a combination of Anastrazole nad Fulvestrant is effective and feasible is not known. This study is being done to answer this question.

This is a phase II single arm study. Patients will have an Oncotype Dx performed and only if the recurrence score is low or intermediate, they would be eligible. Eligible patients will receive Anastrazole and Fulvestrant for 16 week.

Subjects will receive Anastrazole 1 mg po q day and Fulvestrant 500 mg IM, day 1, day 14, day 28 and thereafter once every 28 days on outpatient basis. On day 28, subjects will be evaluated for side effects and clinically and a needle core biopsy (optional) will be obtained. If there is increase in Ki 67 by 50%, subjects will be taken off the study. Response evaluation will occur every 28 days during outpatient clinic visits. All treatment will continue until 4 months when patients will undergo surgical intervention. After surgery, patients will be off study and will receive additional breast cancer therapy at the discretion of their treating physician. Patients who develop progressive disease on protocol will be removed from the study and will then be treated at the discretion of the treating physician. The protocol will be closed after the last accrued patient has had surgery.

Being tested
Fulvestrant, Anastrazole
Keywords
hormone receptor positive, invasive breast cancer, endocrine therapy, Anastrazole, Fulvestrant, breast tumors, postmenopausal
Medical subject headings
Breast Neoplasms

What participants receive

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

  • FulvestrantDrug

    Also called Faslodex

    Fulvestrant IM on day 14 and on day 28 followed by day 28 of all subsequent cycles thereafter. Treatment will be continued for a total of 4 cycles.

  • AnastrazoleDrug

    Also called Arimidex

    Anastrazole, 1mg by mouth every day of all 28 day cycles and continued for a total of 4 cycles

Study groups in NCT00921115
Study groupRoleWhat they receive
Arimidex + FaslodexExperimentalPatients will have an Oncotype Dx performed and if the RS is <25, they will receive Anastrazole and Fulvestrant for 16 weeks. On day 28, subjects will be evaluated for side effects and a needle core biopsy (optional) will be obtained. Response evaluation will occur every 28 days. All treatment will continue for 4 months followed by breast surgery. After surgery, patients will be off study and will receive additional breast cancer therapy per their treating physician. Patients who develop progressive disease on protocol will be removed from the study and treated by their treating physician. The protocol will be closed after the last accrued patient has had surgery.
Receives: Drug: Fulvestrant; Drug: Anastrazole

What is being measured

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

  1. Pathologic Complete Response (PCR) Rate

    Pathologic complete response (PCR) rate with 4 months of neo-adjuvant combination endocrine therapy (Anastrazole and Fulvestrant).

    Measured: 4 months

Timeline

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

  1. First posted16 Jun 2009 (estimated)
  2. Study startMay 2009
  3. Primary completionApr 2015
  4. Study completion20 Mar 2023

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
42 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00921115
Sponsor's protocol ID
11595
Other IDs
IRUSANAS0092
Status last verified
May 2023
First submitted
8 Jun 2009
Last updated
19 May 2023
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Fulvestrant and Anastrazole in people with Invasive Breast Cancer, run by University of Kansas Medical Center at 1 site 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 16 inclusion and 12 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 19 May 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site 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 18 May 2017). 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?

Pathologic Complete Response (PCR) Rate (time frame: 4 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 19 May 2023.

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