- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00177619
Prevention of Osteoporosis in Men With Prostate Cancer on Androgen Deprivation Therapy (POP Study)
Prevention of Osteoporosis in Men With Prostate Cancer
Study Overview
Detailed Description
While osteoporosis in women is recognized as a major public health problem, osteoporosis in men also has a profound clinical impact. Men over the age of 75 who sustain hip fractures have a higher mortality than women of the same age (30% versus 9%). Hip fractures in men account for one-third of all hip fractures. In 1995, male osteoporosis accounted for $2.7 billion in health care costs -- nearly one-third of the overall cost of osteoporosis. Alendronate has been shown to improve bone mass and decrease vertebral fractures in men with osteoporosis.
Prostate cancer is the most common visceral malignancy and the second leading cause of death in American men. Almost all men who progress to late stage disease are treated with androgen deprivation therapy for life, resulting in a 5-fold increased risk of hip fractures and a 13-fold increased risk of all osteoporosis fractures. Several studies suggest the merit of inducing androgen deprivation much earlier in the course of therapy for prostate cancer. It is therefore quite likely that androgen deprivation strategies will be employed with increasing frequency in patients with less advanced disease, resulting in longer life expectancy but greater bone loss.
Study Type
Enrollment
Phase
- Phase 3
Contacts and Locations
Study Locations
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Pennsylvania
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Pittsburgh, Pennsylvania, United States, 15213
- University of Pittsburgh
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Men age 18 and older with stage Do prostate cancer (as defined by asymptomatic disease, rising PSA, and negative bone scans) following attempted curative surgery and/or radiation
- Androgen deprivation therapy (gonadotropin releasing hormone agonists, lutenizing hormone releasing hormone agonists, testosterone antagonists, orchiectomy) for at least 6 months for treatment of prostate cancer
Exclusion Criteria:
- History of any illness known to affect bone and mineral metabolism (renal failure, hepatic failure, Paget's disease, osteogenesis imperfecta, osteomalacia)
- Non-prostate cancer diagnosed within last 5 years (treated superficial basal and squamous cell carcinoma excepted)
- Hyperparathyroidism
- Malabsorption
- Treatment with medications known to affect bone metabolism (chronic high-dose corticosteroid therapy for at least 6 months, thyroid hormone with TSH <0.1 micrograms, antiseizure medications)
- Active peptic ulcer
- Inability to sit upright or stand for at least 30 minutes
- Kidney stones in the past 5 years
- 24-hour urine calcium value >400 mg/24 hours
- Esophageal stricture or achalasia
- Hyperthyroidism
- Evidence of chronic liver disease (including alcoholism)
- Treatment within past year for osteoporosis (calcitonin, fluoride, bisphosphonates)
- History of atraumatic fractures, previous fracture due to a fall from standing height or lesser trauma, or clinical osteoporosis
- Metastatic prostate cancer
- Inability to provide written informed consent
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Double
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
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Our primary outcome variable will be change in spine bone mineral density over one year and change during the second year (or both years).
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Secondary Outcome Measures
Outcome Measure |
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Secondary endpoints will be bone mineral density at the hip and lateral spine.
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Susan L Greenspan, MD, University of Pittsburgh
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 5R01DK061536 (U.S. NIH Grant/Contract)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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