Study to Determine the Efficacy and Safety of Romosozumab in the Treatment of Postmenopausal Women With Osteoporosis (ARCH)
Postmenopausal Women With Osteoporosis
About this trial
This is an interventional treatment trial for Postmenopausal Women With Osteoporosis focused on measuring Osteoporosis, Osteoporosis-postmenopausal, Bone Diseases-Metabolic, Bone Diseases, Musculoskeletal Diseases
Eligibility Criteria
Inclusion Criteria:
Postmenopausal women who meet at least one of the following bone mineral density (BMD) and fracture criteria:
BMD T-score at the total hip or femoral neck of ≤ -2.50 and EITHER:
- at least 1 moderate (semiquantitative grade [SQ]2) or severe (SQ3) vertebral fracture OR
- at least 2 mild (SQ1) vertebral fractures OR
BMD T-score at the total hip or femoral neck of ≤ -2.00 and EITHER:
- at least 2 moderate (SQ2) or severe (SQ3) vertebral fractures OR
- a fracture of the proximal femur that occurred within 3 to 24 months prior to randomization.
Exclusion Criteria:
- History of metabolic or bone disease (except osteoporosis)
- Use of agents affecting bone metabolism
- Vitamin D insufficiency
- History of solid organ or bone marrow transplants
- Hyper- or hypocalcemia
- Hyper- or hypothyroidism
- Hyper- or hypoparathyroidism
- Possible signs of intolerance to alendronate
Sites / Locations
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Arms of the Study
Arm 1
Arm 2
Active Comparator
Experimental
Alendronate/Alendronate
Romosozumab/Alendronate
Participants received 70 mg alendronate once a week and placebo to romosozumab subcutaneously once a month for the first 12 months. After completion of the 12-month double-blind treatment period participants continued to receive 70 mg alendronate once a week until the end of the study.
Participants received 210 mg romosozumab subcutaneously once a month and placebo to alendronate orally once a week for the first 12 months. After completion of the 12-month double-blind treatment period participants received 70 mg alendronate once a week until the end of the study.