Denosumab Fracture Intervention Randomized Placebo Controlled Trial in Japanese Patients With Osteoporosis
DIRECT
A Randomized, Double-Blind, Placebo-controlled Phase 3 Study Evaluating Efficacy and Safety of Denosumab in Japanese Osteoporotic Subjects With Prevalent Fragility Vertebral Fracture(s)
1 other identifier
interventional
1,262
1 country
4
Brief Summary
Evaluate the efficacy and safety of denosumab in the treatment of involutional (postmenopausal and senile) osteoporotic subjects with prevalent fragility vertebral fracture(s)
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started May 2008
Typical duration for phase_3
4 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 1, 2008
CompletedFirst Submitted
Initial submission to the registry
May 16, 2008
CompletedFirst Posted
Study publicly available on registry
May 20, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2012
CompletedStudy Completion
Last participant's last visit for all outcomes
July 1, 2012
CompletedResults Posted
Study results publicly available
February 26, 2014
CompletedMarch 12, 2015
February 1, 2015
4.1 years
May 16, 2008
July 12, 2013
February 19, 2015
Conditions
Outcome Measures
Primary Outcomes (1)
Incidence of New or Worsening Vertebral Fractures in Osteoporotic Subjects Treated With Denosumab Compared to Placebo
Baseline to 24 months
Secondary Outcomes (2)
The Percentage of Non-vertebral Fractures
Baseline to 24 Months
Percentage of Participants With Hip Fractures in Osteoporotic Participants Treated With Denosumab Compared to Treatment With Placebo.
Baseline to 24 Months
Study Arms (3)
1
EXPERIMENTALDenosumab (subcutaneously - every 6 months) + daily calcium and vitamin D supplements for 24 months, followed by a 12-month period of denosumab (subcutaneously - every 6 months).
2
PLACEBO COMPARATORPlacebo (subcutaneously every 6 months) + daily calcium and vitamin D supplements for 24 months, followed by a 12-month period of denosumab (subcutaneously - every 6 months).
3
ACTIVE COMPARATORAlendronate sodium hydrate oral tablets weekly + daily calcium and vitamin D supplements for 24 months (open label reference arm).
Interventions
Eligibility Criteria
You may qualify if:
- Involutional (postmenopausal and senile) osteoporosis with prevalent fragility vertebral fractures
You may not qualify if:
- Any underlying condition,(other than BMD) that might have resulted in abnormal bone metabolism
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (4)
Unknown Facility
Fukuoka, Japan
Unknown Facility
Osaka, Japan
Unknown Facility
Sapporo, Japan
Unknown Facility
Tokyo, Japan
Related Publications (3)
Nakamura T, Matsumoto T, Sugimoto T, Hosoi T, Miki T, Gorai I, Yoshikawa H, Tanaka Y, Tanaka S, Sone T, Nakano T, Ito M, Matsui S, Yoneda T, Takami H, Watanabe K, Osakabe T, Shiraki M, Fukunaga M. Clinical Trials Express: fracture risk reduction with denosumab in Japanese postmenopausal women and men with osteoporosis: denosumab fracture intervention randomized placebo controlled trial (DIRECT). J Clin Endocrinol Metab. 2014 Jul;99(7):2599-607. doi: 10.1210/jc.2013-4175. Epub 2014 Mar 19.
PMID: 24646104RESULTSugimoto T, Matsumoto T, Hosoi T, Miki T, Gorai I, Yoshikawa H, Tanaka Y, Tanaka S, Fukunaga M, Sone T, Nakano T, Ito M, Matsui S, Yoneda T, Takami H, Watanabe K, Osakabe T, Okubo N, Shiraki M, Nakamura T. Three-year denosumab treatment in postmenopausal Japanese women and men with osteoporosis: results from a 1-year open-label extension of the Denosumab Fracture Intervention Randomized Placebo Controlled Trial (DIRECT). Osteoporos Int. 2015 Feb;26(2):765-74. doi: 10.1007/s00198-014-2964-2. Epub 2014 Nov 18.
PMID: 25403903RESULTOkubo N, Matsui S, Matsumoto T, Sugimoto T, Hosoi T, Osakabe T, Watanabe K, Takami H, Shiraki M, Nakamura T. Relationship Between Bone Mineral Density and Risk of Vertebral Fractures with Denosumab Treatment in Japanese Postmenopausal Women and Men with Osteoporosis. Calcif Tissue Int. 2020 Dec;107(6):559-566. doi: 10.1007/s00223-020-00750-y. Epub 2020 Aug 25.
PMID: 32839843DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- H. Takami
- Organization
- Daiichi Sankyo Co., Ltd.
Study Officials
- STUDY CHAIR
Daiichi Sankyo
R&D Division, Daiichi Sankyo Co., Ltd.
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 16, 2008
First Posted
May 20, 2008
Study Start
May 1, 2008
Primary Completion
June 1, 2012
Study Completion
July 1, 2012
Last Updated
March 12, 2015
Results First Posted
February 26, 2014
Record last verified: 2015-02