ancer before it reaches an advanced stage. A tumor passes through six
stages on its path to metastasizing (spreading)(4). In the laboratory,
Zometa has been shown to make passage through these stages more difficult
by inhibiting angiogenesis (formation of blood vessels that grow and feed
cancer cells), stimulating cancer-fighting T-cells, inducing tumor cell
apoptosis (programmed cell death) and increasing the activity of anticancer
agents that target tumor cell metastases(5).
A growing number of clinical studies are examining the potential
anticancer impact of Zometa. One of the largest of these studies, AZURE
(Adjuvant Zoledronic acid to redUce REcurrence), has completed enrollment.
The study will evaluate the impact of Zometa in reducing risk of cancer
recurrence in 3,360 premenopausal and postmenopausal women with Stage
II/III breast cancer.
Another study presented at this year's ASCO meeting evaluated the
effect of Zometa on bone marrow micrometastases. The study was conducted in
120 premenopausal and postmenopausal women with Stage II/III breast cancer
undergoing treatment pre- and post-surgery. For those women who were
negative for disseminated cancer cells at baseline, significantly more
women who took Zometa in addition to chemotherapy remained negative for
disseminated cancer cells over time.
Study Details
The Austrian Breast & Colorectal Cancer Study Group Trial 12 (ABCSG-12)
is an open-label, multicenter, Phase III study that enrolled 1,803
premenopausal women with estrogen-receptor-positive Stage I or II breast
cancer, with fewer than 10 axillary lymph nodes involved. Patients were
recruited for the study after curative surgery and initiation of goserelin
treatment for ovarian suppression, and randomly assigned into one of four
study groups: (1) anastrozole plus Zometa; (2) anastrozole alone; (3)
tamoxifen plus Zometa; (4) tamoxifen alone. The treatment period was three
years and the median follow-up period was an additional
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SOURCE Novartis Copyright©2008 PR Newswire. All rights reserved | |
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