ABCSG 8 - Adjuvant Treatment in Patients With Hormone Receptor-positive Breast Cancer With Good to Moderate Differentiation.

NCT ID: NCT00291759

Last Updated: 2013-01-30

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

3858 participants

Study Classification

INTERVENTIONAL

Study Start Date

1996-01-31

Study Completion Date

2009-06-30

Brief Summary

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The purpose of this study is to assess the difference in event-free survival between postmenopausal women with hormone receptor-positive early breast cancer who switched from tamoxifen to anastrozole and those who continued to receive tamoxifen.

Detailed Description

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Conditions

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Breast Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Interventions

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Tamoxifen

Intervention Type DRUG

Anastrozole

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Invasive mammary carcinoma after radical treatment, without prior chemo/hormone/radiation therapy.
* At least 6 lymph nodes examined.
* Good or intermediate tumour differentiation.
* \<6 weeks before start of adjuvant therapy.
* Oestrogen or Progesterone positive

Exclusion Criteria

* Premenopausal.
* Preoperative hormonal/antihormonal/radiation/cytoxic chemo. Second malignant tumour/status post second malignant tumour.
* In-situ/T4 carcinoma.
* Age \>80 years.
* World Health Organisation performance index \>3.
* Serious accompanying diseases
Maximum Eligible Age

80 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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AstraZeneca

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Raimund Jakesz, MD

Role: PRINCIPAL_INVESTIGATOR

Austrian Breast and Colorectal Cancer Study Group

AstraZeneca Austria Medical Director, MD

Role: STUDY_DIRECTOR

AstraZeneca

Locations

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Amstetten, , Austria

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Bad Ischl, , Austria

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Baden, , Austria

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Bregenz, , Austria

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Bruck/Mur, , Austria

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Dornbirn, , Austria

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Eisenstadt, , Austria

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Feldbach, , Austria

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Feldkirch, , Austria

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Freistadt, , Austria

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Fürstenfeld, , Austria

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Gmünd, , Austria

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Graz, , Austria

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Güssing, , Austria

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Hainburg an der Donau, , Austria

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Hartberg, , Austria

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Hollabrunn, , Austria

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Horn, , Austria

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Innsbruck, , Austria

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Judenburg, , Austria

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Kirchdorf, , Austria

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Klagenfurt, , Austria

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Klosterneuburg, , Austria

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Kufstein, , Austria

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Leoben, , Austria

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Linz, , Austria

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Melk, , Austria

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Mistelbach, , Austria

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Mödling, , Austria

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Neunkirchen, , Austria

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Oberpullendorf, , Austria

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Oberwart, , Austria

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Ried im Innkreis, , Austria

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Rohrbach, , Austria

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Rottenmann, , Austria

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Saint Poelton, , Austria

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Saint Veit/Glan, , Austria

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Salzburg, , Austria

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Schärding, , Austria

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Scheibbs, , Austria

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Schladming, , Austria

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Schwarzach/Pongau, , Austria

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Spittal/Drau, , Austria

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Steyr, , Austria

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Tulln, , Austria

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Vienna, , Austria

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Villach, , Austria

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Vöcklabruck, , Austria

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Waidhofen/Thaya, , Austria

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Wels, , Austria

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Wolfsberg, , Austria

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Zams, , Austria

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Countries

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Austria

References

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Sestak I, Cuzick J, Dowsett M, Lopez-Knowles E, Filipits M, Dubsky P, Cowens JW, Ferree S, Schaper C, Fesl C, Gnant M. Prediction of late distant recurrence after 5 years of endocrine treatment: a combined analysis of patients from the Austrian breast and colorectal cancer study group 8 and arimidex, tamoxifen alone or in combination randomized trials using the PAM50 risk of recurrence score. J Clin Oncol. 2015 Mar 10;33(8):916-22. doi: 10.1200/JCO.2014.55.6894. Epub 2014 Oct 20.

Reference Type DERIVED
PMID: 25332252 (View on PubMed)

Gnant M, Filipits M, Greil R, Stoeger H, Rudas M, Bago-Horvath Z, Mlineritsch B, Kwasny W, Knauer M, Singer C, Jakesz R, Dubsky P, Fitzal F, Bartsch R, Steger G, Balic M, Ressler S, Cowens JW, Storhoff J, Ferree S, Schaper C, Liu S, Fesl C, Nielsen TO; Austrian Breast and Colorectal Cancer Study Group. Predicting distant recurrence in receptor-positive breast cancer patients with limited clinicopathological risk: using the PAM50 Risk of Recurrence score in 1478 postmenopausal patients of the ABCSG-8 trial treated with adjuvant endocrine therapy alone. Ann Oncol. 2014 Feb;25(2):339-45. doi: 10.1093/annonc/mdt494. Epub 2013 Dec 16.

Reference Type DERIVED
PMID: 24347518 (View on PubMed)

Other Identifiers

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ABCSG 8

Identifier Type: -

Identifier Source: secondary_id

1033AU/0002

Identifier Type: -

Identifier Source: org_study_id

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