The Effects of Low Dose Norethisterone on Biochemical Variables in Postmenopausal Women |
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| Authors: | F. Scopacasa M. Horowitz A. G. Need H. A. Morris B. E. C. Nordin |
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| Affiliation: | (1) Division of Clinical Biochemistry, Institute of Medical and Veterinary Science,, AU;(2) Department of Medicine, University of Adelaide, South Australia, Australia, AU |
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| Abstract: | Norethisterone 2.5 mg/day was administered to 26 postmenopausal women (aged 54–79 years) with varying degrees of osteoporosis and with a forearm bone mineral density value more than 2 SD below the young normal mean. Fasting blood and urine samples were collected and radiocalcium absorption measured at baseline and after treatment for a median period of 4 months. There were significant falls in serum calcium and its fractions, phosphate, alkaline phosphatase and cholesterol (HDL and LDL), and significant rises in serum chloride and parathyroid hormone. In the urine, there were significant falls in calcium, sodium and hydroxyproline. These changes were in close agreement with our previously reported responses to norethisterone 5 mg/day. We conclude that norethisterone in a dose of 2.5 mg/day is probably as effective as 5 mg/day in reducing bone resorption in postmenopausal women with low bone density. Received: 8 June 1998 / Accepted: 23 September 1998 |
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| Keywords: | :Bone resorption – Norethisterone – Postmenopausal osteoporosis |
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