Open Label, Multicenter, Randomized, Controlled Study of IM or Oral Exemestane (Aromasin) in Postmenopausal Women
Information source: Pfizer
Information obtained from ClinicalTrials.gov on June 20, 2008
Link to the current ClinicalTrials.gov record.
Condition(s) targeted: Breast Neoplasms
Intervention: exemestane (Drug)
Phase: Phase 2
Sponsored by: Pfizer
Official(s) and/or principal investigator(s):
Pfizer CT.gov Call Center, Study Director, Affiliation: Pfizer
The purpose of this study is to find out if the two different formulations of exemestane
(Aromasin), oral and injectable, are equivalent in terms of pharmacodynamics and
pharmacokinetics, i. e., if ultimately both formulations have the same efficacy in
postmenopausal women with metastatic breast cancer who have failed previous antiestrogens
therapy and are equally safe.
Official title: Open Label, Multicenter, Randomized, Controlled Study of IM or Oral Exemestane (Aromasin) in Postmenopausal Women With Advanced Breast Cancer Having Progressed on Tamoxifen.
Study design: Treatment, Randomized, Open Label, Active Control, Parallel Assignment, Safety/Efficacy Study
Primary outcome: To determine the pharmacodynamic equivalence at steady state of the IM formulation of exemestane with the oral formulation in terms of plasma estrone sulphate inhibitory effect in postmenopausal women with advanced breast cancer.
to characterize the pharmacodynamic profile of the two formulations in terms of estrogens, androgens, and sec hormone binding globulin
to characterize the pharmacokinetics of exemestane and 17 hydroexemestane after administration of the two formulations
to evaluate the relationships between pharmakokinetics and pharmacodynamics after intramuscular and oral administration of exemestane
to evaluate the effcacy (as tumor response)
to evaluate the incidence and severity of systemic toxicities and of the local tolerability of the injectable formulation
to evaluate the effect on serum bone turnover markers
Minimum age: 18 Years.
Maximum age: N/A.
- other diagnosed with breast cancer
- estrogen receptor positivity
- Postmenopausal status
- advanced disease
- progression to previous tamoxifen therapy
- more than 1 chemotherapy and / or more than 1 hormonotherapy for advanced disease
- previous hormonotherapy other than Tamoxifen
Locations and Contacts
Pfizer Investigational Site, Leicester, United Kingdom
To obtain contact information for a study center near you, click here.
Starting date: June 2002
Last updated: November 10, 2006