Expired Study
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Bridgewater, New Jersey 08807


To determine how prior therapy with alendronate or risedronate in postmenopausal women with osteoporosis influences the clinical effectiveness of teriparatide; The primary objective of the study is to compare the teriparatide (human, recombinant PTH[1-34])-associated change from baseline in a marker of bone formation, N-terminal propeptide of type I collagen (P1NP), between subjects previously treated with risedronate and those previously treated with alendronate.

Study summary:

All subjects will be treated with teriparatide (human, recombinant PTH[1-34])(human, recombinant PTH[1-34]), 20 microgram subcutaneously daily for 12 months. Subjects will consist of 290 postmenopausal women previously treated with either risedronate or alendronate for at least 24 months. An approximately equal number of subjects will have been previously treated with risedronate and alendronate, and the subjects will be balanced with regard to duration of previous treatment.


ELIGIBILITY CRITERIA include: - Post-menopausal women who have used risedronate or alendronate continuously for at least 24 mos prior to enrollment - Dosing regimens allowable are continuous (ie, uninterrupted) daily or weekly formulations of risedronate (5 mg once daily [OD] or 35 or 30 mg once a week [OAW]) or alendronate (10 mg OD or 70 mg OAW), for a minimum of 24 months prior to enrollment into study - Lumbar spine or total hip BMD T-score 1ess than or equal to -2.0 and >/= 1 prevalent osteoporotic fracture, or lumbar spine or total hip BMD T-score less than or equal to -2.5 with or without and >/= 1 prevalent osteoporotic fracture. The qualifying values must be documented prior to enrollment - Vitamin D (25-hydroxyvitamin D) between 16 ng/ml and 80 ng/ml - Urine NTX <50 nmol/mmol creatinine (to assure treatment compliance and bone turnover is in the pre-menopausal range) EXCLUSION CRITERIA include: - Impaired renal function, demonstrated by creatinine clearance < 30 ml/min - Any condition or disease that may interfere with the evaluation of at least 2 lumbar vertebrae (not necessarily contiguous), determined in a screening radiograph by a radiologist at the central facility (eg, confluent aortic calcifications, severe osteoarthritis, spinal fusion, lumbar spine fractures) - Depot injection vitamin D >10,000 IU in the past 9 months prior to starting the investigational product - Treatment with antiresorptive agents other than risedronate, alendronate, and hormone replacement therapy within the last 36 months before study entry (ie, ibandronate, pamidronate, etidronate, raloxifene, clodronate, or zoledronate) - Use of combination alendronate and risedronate, either simultaneously or sequentially, within 60 months prior to enrollment, or use of any anti-resorptive agent in combination with risedronate or alendronate



Primary Contact:

Study Director
Suzanne Meeves, PharmD, MBA

Backup Contact:


Location Contact:

Bridgewater, New Jersey 08807
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: March 16, 2018

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