PTHrP and Osteoporosis

Completed · Phase 2

Conditions studied: Osteoporosis

In brief

PTH-related protein, or ''PTHrP'', is a hormone which was discovered in 1987. As its name implies, it is closely related to another hormone discovered in the 1920's named parathyroid hormone or ''PTH''. PTH has been shown to be effective in treating osteoporosis in both animals and humans. PTHrP has been shown to be effective in treating osteoporosis in laboratory animals, and there are strong scientific reasons to think that it may be effective in humans as well. However, no human trials with PTHrP in the treatment of osteoporosis have been performed. The studies in this trial are focussed on determining whether PTHrP can indeed increase bone mass in postmenopausal women with osteoporosis, when administered daily by subcutaneous injection for three months.

Key facts

Study ID

NCT00021827

Run by

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Starts

1999-06-01

Expected to finish

2001-12-01

Last updated by the study team

2010-03-02

Who can join

Age: 50 and older, up to 75. Sex: female. Healthy volunteers: not accepted.

You may qualify if…

• Healthy caucasian postmenopausal females between 50-75 years of age with low bone mineral density at the lumbar spine or hip as measured using dual energy x-ray absorptiometry or DXA.
• ON estrogen replacement treatment for at least three years.

You may not qualify if…

• Heart, vascular, kidney, liver, lung, hormonal, musculo-skeletal disease (other than osteoporosis), rheumatic, blood diseases are exclusion criteria.
• High blood pressure
• Pregnancy
• Cancer
• Alcohol or drug dependence
• Prior use of a drug treatment for osteoporosis such as PTH, bisphosphonates, raloxifene, or calcitonin within the preceding five years

Where it is running

• University of Pittsburgh School of Medicine — Pittsburgh, Pennsylvania, United States

Full record on ClinicalTrials.gov

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