Overview

Effects of Parathyroid Hormone in Men With Osteoporosis

Status:
Completed
Trial end date:
2005-10-01
Target enrollment:
0
Participant gender:
Male
Summary
Alendronate is a drug that blocks or reduces bone loss, while parathyroid hormone (PTH) stimulates the formation of new bone. The purpose of this study is to compare the bone-building effects of PTH alone, alendronate alone, and both PTH and alendronate in men with osteoporosis over a two-and-a-half year period.
Phase:
Phase 3
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Massachusetts General Hospital
Collaborator:
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Treatments:
Alendronate
Hormones
Parathyroid Hormone
Criteria
Inclusion Criteria:

- Bone density of the spine or femoral neck two standard deviations below the mean of
young adult men

- Normal renal and liver function tests, normal serum testosterone level, normal vitamin
D and PTH levels

Exclusion Criteria:

- Significant cardiac, renal, hepatic, or malignant disease.

- Disorders (e.g., Paget's disease, hyperthyroidism, hyperparathyroidism) or drugs
(e.g., steroids, anticonvulsants, lithium, bisphosphonates, calcitonin, fluoride)
known to affect bone metabolism

- Active peptic ulcer disease or severe reflux