NCT00065325 · CITED IN SOURCE DOCUMENTS
The Evaluation of the Efficacy and Tolerability of FASLODEX (Fulvestrant) and AROMASIN (Exemestane) in Hormone Receptor Positive Postmenopausal Women With Advanced Breast Cancer
An NCI or FDA source cites this study. A citation does not establish that it applies to an individual diagnosis.
- Phase
- PHASE3
- Status at capture
- COMPLETED
- Registry last update
- 2015-02-24
The purpose of this study is to compare the efficacy of Faslodex (fulvestrant) to Aromasin (exemestane) in hormone receptor positive postmenopausal women with advanced breast cancer. Patients will be treated until disease progression or until the investigator has determined that treatment is not in the best interest of the patient, whichever occurs first.
Open the original ClinicalTrials.gov record → · Download preserved record
What did the study report?
Outcomes, safety and baseline populations are separate source sections. Quality-of-life measures appear under their original outcome titles.
No posted result sections were captured. Registered plans do not establish that a treatment works.
Who could take part
- eligibility Criteria
- Inclusion Criteria: * Biopsy confirmation of Breast Cancer * Breast Cancer has continued to grow after having received treatment with an aromatase inhibitor * Postmenopausal women defined as a women who has stopped having menstrual periods * Evidence of hormone sensitivity * Written informed consent to participate in the trial Exclusion Criteria: * Previous treatment with Faslodex (fulvestrant) or Aromasin (exemestane) * Any hormonal therapy used to modify the course of an additional medical condition after prior treatment with a non-steroidal aromatase inhibitor * Treatment with an investigational or non-approved drug within one month * An existing serious disease, illness, or condition that will prevent participation or compliance with study procedures * A history of allergies to any active or inactive ingredients of Faslodex or Exemestane (i.e. castor oil or Mannitol)
- healthy Volunteers
- false
- maximum Age
- 91 Years
- minimum Age
- 32 Years
- sex
- FEMALE
- std Ages
- ADULT
- OLDER_ADULT
Treatment arms and interventions
- arm Groups
- description
- Exemestane
- intervention Names
- Drug: Exemestane
- label
- 1
- type
- ACTIVE_COMPARATOR
- description
- Fulvestrant
- intervention Names
- Drug: Fulvestrant
- label
- 2
- type
- EXPERIMENTAL
- interventions
- arm Group Labels
- 2
- description
- intramuscular injection
- name
- Fulvestrant
- other Names
- Faslodex
- ZD9238
- type
- DRUG
- arm Group Labels
- 1
- description
- oral capsule
- name
- Exemestane
- other Names
- AROMASIN™
- type
- DRUG
Study design
- allocation
- RANDOMIZED
- intervention Model
- PARALLEL
- masking Info
- masking
- QUADRUPLE
- who Masked
- PARTICIPANT
- CARE_PROVIDER
- INVESTIGATOR
- OUTCOMES_ASSESSOR
- primary Purpose
- TREATMENT
Enrollment
- count
- 694
- type
- ACTUAL
Registered outcome plans (not posted results)
- primary Outcomes
- measure
- Time to disease progression (TTP)
- time Frame
- after 580 Progression events accrued
- secondary Outcomes
- measure
- Objective response rate
- time Frame
- after 580 Progression events accrued
- measure
- Overall survival
- time Frame
- after 580 Progression events accrued
- measure
- Duration of response
- time Frame
- after 580 Progression events accrued
- measure
- Clinical Benefit
- time Frame
- after 580 Progression events accrued
- measure
- Quality of Life
- time Frame
- after 580 Progression events accrued
- measure
- PK
- time Frame
- each visit
- measure
- Safety and tolerability.
- time Frame
- after 580 Progression events accrued
Full study description
- brief Summary
- The purpose of this study is to compare the efficacy of Faslodex (fulvestrant) to Aromasin (exemestane) in hormone receptor positive postmenopausal women with advanced breast cancer. Patients will be treated until disease progression or until the investigator has determined that treatment is not in the best interest of the patient, whichever occurs first.
Source references
- references
- citation
- Arizmendi C, Zhu Y, Khan M, Gable J, Reeve BB, King-Kallimanis B, Bell J. The FACT-GP5 as a global tolerability measure: responsiveness and robustness to missing assessments. Qual Life Res. 2024 Oct;33(10):2869-2880. doi: 10.1007/s11136-024-03740-x. Epub 2024 Jul 24.
- pmid
- 39046616
- type
- DERIVED
- see Also Links
- label
- MEDLINEplus related topics: Breast Cancer
- label
- MEDLINEplus related topics: Cancer (General)
- label
- MEDLINEplus related topics: Cancer--Living with Cancer
- label
- CSR-9238IL-0048.pdf
Source notices and limitations
Discovery and provenance
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- occurrences
- context exact
- The proper sequence of these therapies is not known.[<a href="#cit/section_10.44">44</a>,<a href="#cit/section_10.45">45</a>]</li><li><a href="/clinicaltrials/NCT00065325">EFECT</a> (NCT00065325) was a phase III, double-blind, randomized trial that compared fulvestrant given in a loading-dose regimen (500 mg day 0, 250 mg days 1
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- these therapies is not known.[<a href="#cit/section_10.44">44</a>,<a href="#cit/section_10.45">45</a>]</li><li><a href="/clinicaltrials/NCT00065325">EFECT</a> (NCT00065325) was a phase III, double-blind, randomized trial that compared fulvestrant given in a loading-dose regimen (500 mg day 0, 250 mg days 14 and 28, and 250 mg eve
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- source retrieved at
- 2026-09-09T23:21:35.419733+00:00
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- source title
- Breast Cancer Treatment (PDQ®)–Health Professional Version
- source update dates
- context
- Updated: April 25, 2025
- datetime
- 2025-04-25T12:00:00Z
- display
- April 25, 2025
Preserved source evidence · Not medical advice
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