Canadian Cancer Trials Group - Tumour Bank
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MA17B Details
Status: Closed 
Activation Date: 2000JUL26
Closing Date: 2002AUG30
Phase: III 

Description: The Influence of Letrozole on Bone Mineral Density in Women With Primary Breast Cancer Completing Five or More Years of Adjuvant Tamoxifen -- a Companion Study to MA.17 

Eligibility: Eligible women will have a BMD T score greater than or equal to 2.0 SD below the mean value of peak bone mass in young normal women. They must not have malabsorption syndrome, clinically relevant vitamin D deficiency, active hyper- or hypoparathyroidism, Paget?s disease, uncontrolled thyroid disease, Cushing?s disease, other pituitary diseases, or other bone diseases. Women must not have received previous treatment with anticonvulsants or anabolic steroids within the past 12 months, high doses of corticosteroids or sodium fluoride for an extended time, any drug including bisphosphonates for the prevention of osteoporosis within the past six months, or long term use of coumarins. 

Objective: To evaluate the effects of letrozole on bone mineral density in post-menopausal women treated with letrozole or placebo following at least five years of adjuvant tamoxifen therapy for breast cancer. 

Participation: Limited to MA.17 participants 

Lay Description: The purpose of this optional part of the MA.17/JMA.17 research study, called a 'companion study', is to evaluate the effects of Letrozole / Placebo on the thinning of my bones (osteoporosis). 

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Hide Tissue Samples
Disease Site Trial Code Patients Accrued Patients - Blocks Patients - Slides Patients - Blocks and/or Slides
BREAST MA17B 226 0 0 0
Hide TMA Samples
(Core size is 0.6 mm)
Disease Site Trial Code Patients Accrued TMA Blocks Patients on TMA Blocks
BREAST MA17B 226 0 0
Hide Fluid Samples
Disease Site Trial Code Patients Accrued Patients - Whole Blood Patients - Cellular Component of Blood Patients - DNA extracted from Blood Patients - RNA extracted from Blood Patients - Plasma Patients - Serum Patients - Urine Patients - Buccal
BREAST MA17B 226 0 0 0 0 0 221 217 0