PTHrP and Osteoporosis

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

Overview

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.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

DOUBLE

Conditions

Osteoporosis

Interventions

Parathyroid hormone-related protein or ''PTHrP''DRUG

Eligibility

Sex: FEMALEMin age: 50 YearsMax age: 75 Years

Medical Language ↔ Plain English

Inclusion Criteria: * 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. Exclusion Criteria: * 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

Locations (1)

University of Pittsburgh School of Medicine

Pittsburgh, Pennsylvania, United States

Data from ClinicalTrials.gov

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