跳至主要内容
临床试验/NCT00887965
NCT00887965已完成2 期

A Transiliac Crest Bone Histology and Histomorphometry Study in Postmenopausal Women With Low Bone Mass or Osteoporosis Previously Treated With Denosumab

Amgen0 个研究点目标入组 15 人开始时间: 2009年6月最近更新:
适应症
干预措施
相关药物

试验速览

阶段
2 期
状态
已完成
发起方
Amgen
入组人数
15
主要终点
Number of Participants With Normal/Abnormal Bone Histology

研究概览

简要总结

To characterize the effects of discontinuation of denosumab therapy on variables of bone histology in postmenopausal women with low bone mass or osteoporosis. Patients who have received denosumab and completed study 20050179 (NCT00293813), completed study 20050141 (NCT00330460), completed study 20060237 (NCT00515463), completed study 20030216 (NCT00089791) but did not enroll in study 20060289 (NCT00523341) will be included in this study. Patients who will participate in the off-treatment imaging study for 20080747 (NCT00890981) are also eligible.

研究设计

研究类型
Interventional
分配方式
Na
干预模型
Single Group
主要目的
Supportive Care
盲法
None

入排标准

性别
Female
接受健康志愿者

入选标准

  • Ambulatory postmenopausal women
  • Received denosumab and completed study 20050179 (NCT00293813), completed study 20050141 (NCT00330460), completed study 20060237 (NCT00515463), completed study 20030216 (NCT00089791) but did not enroll in study 20060289 (NCT00523341). Patients who will participate in the off-treatment imaging study for 20080747 (NCT00890981) also are eligible.
  • Completed participation in eligible studies ≥ 12 and ≤ 36 months prior to screening
  • Provide signed informed consent

排除标准

  • Did not receive denosumab in studies 20050141, 20060237, 20030216, or
  • Discontinued investigational product before end of study visit for studies 20050141, 20060237, 20030216, or
  • Received > 1 month osteoporosis treatment since having completed studies 20050141, 20060237, 20030216, or
  • Received zoledronic acid at any time after ending study participation in parent studies 20050141, 20050179, 20030216, or
  • Newly diagnosed with any of the following conditions during the intervening period since completing studies 20050141, 20060237, 20030216, or 20050179:
  • Hyperthyroidism (stable on anti-thyroid therapy or post-ablation is allowed, if the Thyroid Stimulating Hormone is within the normal range)
  • Hypothyroidism (stable on thyroid replacement therapy is allowed, if the Thyroid Stimulating Hormone is within the normal range)
  • Hyper- or hypoparathyroidism
  • Osteomalacia
  • Paget's disease of bone
  • Other bone diseases which affect bone metabolism (eg, osteopetrosis, osteogenesis imperfecta)
  • Malignancy within the last 5 years (except cervical carcinoma in situ or basal cell carcinoma).
  • Self-reported alcohol or drug abuse within the previous 12 months.
  • Permanently non-ambulatory subjects (use of assistive device eg cane, walker is permitted).
  • Has known or suspected sensitivity or contraindication to tetracycline derivatives.
  • Received any investigational product other than denosumab.
  • Current use of the following osteoporosis agents: bisphosphonates, calcitonin, fluoride, parathyroid hormone analogue, selective estrogen receptor modulators, systemic oral or transdermal estrogen (except vaginal preparations and estrogen creams which are acceptable), strontium or tibolone.
  • Has undergone bilateral transiliac crest bone biopsy in the past.
  • Current use of medications that, in the opinion of the investigator, cannot be discontinued and may compromise the safety of the subject when undergoing the bone biopsy procedure (eg, aspirin, warfarin, high-dose heparin).
  • Current use of systemic glucocorticoid therapy (topical or nasal steroids are permitted).
  • Evidence of coagulopathy that in the opinion of the investigator, may compromise patient safety when subjected to the bone biopsy procedure.
  • Any disorder that, in the opinion of the investigator, may compromise the ability of the participant to give written informed consent and/or comply with study procedures.

研究组 & 干预措施

Previous denosumab

Other

Participants who had previously received denosumab received a transiliac crest bone biopsy performed following standard labeling procedures with tetracycline or tetracycline derivative.

干预措施: Previous denosumab (Drug)

结局指标

主要结局

Number of Participants With Normal/Abnormal Bone Histology

时间窗: 25-34 days post-Day 1

The number of participants with normal/abnormal bone histology as assessed by bone biopsy samples at the central histomorphometric facility. Normal bone histology is characterized by: - normal lamellar bone, - normal mineralization or - osteoid (the organic matrix of bone; young bone that has not undergone calcification). Biopsies with abnormal bone histology are characterized by: - osteomalacia, - marrow fibrosis, - clinically significant marrow abnormality or - woven bone.

次要结局

  • Bone Histomorphometry: Surface Density(25-34 days post-Day 1)
  • Bone Histomorphometry: Osteoblast - Osteoid Interface(25-34 days post-Day 1)
  • Bone Histomorphometry: Osteoid Surface(25-34 days post-Day 1)
  • Bone Histomorphometry: Trabecular Separation(25-34 days post-Day 1)
  • Bone Histomorphometry: Cortical Width(25-34 days post-Day 1)
  • Bone Histomorphometry: Osteoclast Number - Surface Based(25-34 days post-Day 1)
  • Bone Histomorphometry: Double-label Surface(25-34 days post-Day 1)
  • Bone Histomorphometry: Cancellous Bone Volume(25-34 days post-Day 1)
  • Bone Histomorphometry: Osteoid Volume(25-34 days post-Day 1)
  • Bone Histomorphometry: Mineralization Lag Time(25-34 days post-Day 1)
  • Bone Histomorphometry: Trabecular Number(25-34 days post-Day 1)
  • Bone Histomorphometry: Trabecular Thickness(25-34 days post-Day 1)
  • Bone Histomorphometry: Osteoclast Number - Length Based(25-34 days post-Day 1)
  • Bone Histomorphometry: Osteoid Width(25-34 days post-Day 1)
  • Bone Histomorphometry: Wall Thickness(25-34 days post-Day 1)
  • Bone Histomorphometry: Eroded Surface/Bone Surface(25-34 days post-Day 1)
  • Bone Histomorphometry: Single-label Surface(25-34 days post-Day 1)
  • Bone Histomorphometry: Total Mineralizing Surface(25-34 days post-Day 1)
  • Bone Histomorphometry: Mineral Apposition Rate(25-34 days post-Day 1)
  • Bone Histomorphometry: Adjusted Mineral Apposition Rate(25-34 days post-Day 1)
  • Bone Histomorphometry: Bone Formation Rate - Surface Based(25-34 days post-Day 1)
  • Bone Histomorphometry: Bone Formation Rate - Volume Based(25-34 days post-Day 1)
  • Bone Histomorphometry: Formation Period(25-34 days post-Day 1)
  • Bone Histomorphometry: Activation Frequency(25-34 days post-Day 1)
  • C-Telopeptide (CTX-1)(Day 3 or Day 20)
  • Procollagen Type 1 N-terminal Peptide (P1NP)(Day 3 or Day 20)

研究者

发起方
Amgen
申办方类型
Industry
责任方
Sponsor

相似试验