Anastrozole

Generic Name
Anastrozole
Brand Names
Arimidex
Drug Type
Small Molecule
Chemical Formula
C17H19N5
CAS Number
120511-73-1
Unique Ingredient Identifier
2Z07MYW1AZ
Background

Anastrozole is a non-steroidal aromatase inhibitor (AI), similar to letrozole, used to decrease circulating estrogen levels in the treatment of postmenopausal women with estrogen-responsive breast cancer. Anastrozole is also related to exemestane, a steroidal AI, but its non-steroidal nature provides stark advantages including a lack of steroid-associated adverse effects such as weight gain and acne. Aromatase inhibitors, including anastrozole, have become endocrine drugs of choice in the treatment of postmenopausal breast cancer due to a more favourable efficacy and adverse effect profile as compared to earlier estrogen receptor modulators such as tamoxifen.

Anastrozole was first approved for use in the United States in 1995.

Indication

Anastrozole is indicated as adjunct therapy in the treatment of hormone receptor-positive early breast cancer in postmenopausal women, and as a first-line treatment for hormone receptor-positive (or hormone receptor-unknown) locally advanced or metastatic breast cancer in postmenopausal women. It may also be used in the treatment of advanced breast cancer in postmenopausal women who experience disease progression despite treatment with tamoxifen.

Associated Conditions
Advanced Breast Cancer, Invasive Early Breast Cancer, Locally Advanced Breast Cancer (LABC), Metastatic Breast Cancer, Stage I Breast Cancer
Associated Therapies
-

ITT4 Intratesticular Hormonal Milieu in Man (ITT4)

First Posted Date
2010-10-06
Last Posted Date
2014-03-31
Lead Sponsor
University of Washington
Target Recruit Count
46
Registration Number
NCT01215292
Locations
🇺🇸

University of Washington, Seattle, Washington, United States

Hormone Receptor Positive Disease Across Solid Tumor Types: A Phase I Study of Single-Agent Hormone Blockade and Combination Approaches With Targeted Agents to Provide Synergy and Overcome Resistance

First Posted Date
2010-09-09
Last Posted Date
2021-01-22
Lead Sponsor
M.D. Anderson Cancer Center
Target Recruit Count
277
Registration Number
NCT01197170
Locations
🇺🇸

University of Texas MD Anderson Cancer Center, Houston, Texas, United States

Anastrozole 1 mg Tablets Under Fed Conditions

Phase 1
Completed
Conditions
Interventions
First Posted Date
2010-08-17
Last Posted Date
2010-11-16
Lead Sponsor
Teva Pharmaceuticals USA
Target Recruit Count
22
Registration Number
NCT01183390
Locations
🇨🇦

Pharma Medica Research Inc., Toronto, Ontario, Canada

Bioavailability Study of Anastrozole Tablets 1 mg of Dr.Reddy's Under Fed Conditions

Phase 1
Completed
Conditions
Interventions
First Posted Date
2010-07-02
Last Posted Date
2010-07-02
Lead Sponsor
Dr. Reddy's Laboratories Limited
Target Recruit Count
36
Registration Number
NCT01155960

Bioavailability Study of Anastrozole Tablets 1 mg of Dr.Reddy's Under Fasting Conditions

Phase 1
Completed
Conditions
Interventions
First Posted Date
2010-07-02
Last Posted Date
2010-07-02
Lead Sponsor
Dr. Reddy's Laboratories Limited
Target Recruit Count
36
Registration Number
NCT01155947

Bioequivalency Study of Anastrozole 1 mg Under Fed Conditions

Not Applicable
Completed
Conditions
First Posted Date
2010-07-01
Last Posted Date
2018-01-23
Lead Sponsor
Roxane Laboratories
Target Recruit Count
32
Registration Number
NCT01155089
Locations
🇺🇸

Bio-Kinetic Clinical Applications, Springfield, Missouri, United States

Bioequivalency Study of Anastrozole 1 mg Under Fasted Conditions

Not Applicable
Completed
Conditions
First Posted Date
2010-07-01
Last Posted Date
2018-01-23
Lead Sponsor
Roxane Laboratories
Target Recruit Count
31
Registration Number
NCT01155102
Locations
🇺🇸

Bio-Kinetic Clinical Applications, Springfield, Missouri, United States

Vorinostat in Treating Patients With Stage IV Breast Cancer Receiving Aromatase Inhibitor Therapy

First Posted Date
2010-06-30
Last Posted Date
2019-09-06
Lead Sponsor
University of Washington
Target Recruit Count
8
Registration Number
NCT01153672
Locations
🇺🇸

Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium, Seattle, Washington, United States

Study of Anastrozole +/- AZD8931 in Postmenopausal Women With Endocrine Therapy Naive Breast Cancer

First Posted Date
2010-06-28
Last Posted Date
2014-07-25
Lead Sponsor
AstraZeneca
Target Recruit Count
482
Registration Number
NCT01151215
Locations
🇬🇧

Research Site, Wythenshawe, Manchester, United Kingdom

Anastrozole Reduced Proliferation and Progesterone Receptor Indexes in Short Term Hormone Therapy

Not Applicable
Completed
Conditions
Interventions
First Posted Date
2009-11-19
Last Posted Date
2009-11-19
Lead Sponsor
Federal University of São Paulo
Target Recruit Count
71
Registration Number
NCT01016665
Locations
🇧🇷

Sao Paulo Federal University, Sao Paulo, Brazil

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