Delayed Release (DR) Risedronate Compared to Immediate Release (IR) in Postmenopausal Women
Study Assessing the Efficacy, Safety, and Pharmacokinetics of 75 and 100 mg Once-a-month Delayed-release Risedronate Formulations Compared to 150 mg Once-a-month Immediate-release Risedronate for 3 Months in Postmenopausal Women Age 45-80
1 other identifier
interventional
205
1 country
6
Brief Summary
Randomized, multicenter, double-blind, double-dummy, active-controlled, parallel-design study in approximately 201 postmenopausal women. A subset of subjects (approximately 102) will also participate in a pharmacokinetic (PK) component of the study. Each subject will be randomized to 1 of 3 treatment regimens for 3 months.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2
Started May 2009
Shorter than P25 for phase_2
6 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, 2009
CompletedFirst Submitted
Initial submission to the registry
June 10, 2009
CompletedFirst Posted
Study publicly available on registry
June 11, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2009
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2009
CompletedResults Posted
Study results publicly available
March 24, 2011
CompletedJune 29, 2015
June 1, 2015
5 months
June 10, 2009
February 23, 2011
June 1, 2015
Conditions
Outcome Measures
Primary Outcomes (1)
Percentage Change From Baseline Serum Type-1 Collagen C-telopeptide (CTX) 75 mg & 100 mg DRFB Tablet Compared With 150 mg IRBB Tablet, Month 4, ITT Population
Fasting serum Bone turn-over marker specimen assayed by electochemiluminescence.
Month 4
Secondary Outcomes (8)
Percent Change From Baseline CTX 150 mg IRBB Tablet Compared With 75 mg & 100 mg DRFB Tablet, Month 2, ITT Population
2 months
Percent Change From Baseline CTX 150 mg IRBB Tablet Compared With 75 mg & 100 mg DRFB Tablet, Month 3, ITT Population
3 months
Percent Change From Baseline Urine NTX (Type-1 Collagen Cross-linked N-telopeptide) Comparing Risedronate 150 mg IRBB Tablet With 75 mg & 100 mg DRFB Tablet, Month 2, ITT Population
2 months
Percent Change From Baseline Urine NTX Comparing Risedronate 150 mg IRBB Tablet With 75 mg & 100 mg DRFB Tablet, Month 3, ITT Population
3 months
Percent Change From Baseline Urine NTX Comparing Risedronate 150 mg IRBB Tablet With 75 mg & 100 mg DRFB Tablet, Month 4, ITT Population
4 months
- +3 more secondary outcomes
Study Arms (3)
150 mg
ACTIVE COMPARATOR150 mg risedronate tablet IRBB (immediate release before breakfast) administered orally at least 30 minutes before breakfast.
75 mg
EXPERIMENTAL75 mg risedronate tablet DRFB (delayed release following breakfast) administered orally immediately after ingesting breakfast
100 mg
EXPERIMENTAL100 mg risedronate tablet DRFB (delayed release following breakfast) administered orally immediately after ingesting breakfast
Interventions
150 mg immediate release (IRBB) risedronate tablet administered orally at least 30 minutes before breakfast.
75 mg delayed release (DRFB) risedronate tablet administered orally immediately after ingesting breakfast
100 mg delayed release (DRFB) risedronate tablet administered orally immediately after ingesting breakfast
Eligibility Criteria
You may qualify if:
- female, 45 to 80 years of age, in good general health
- postmenopausal ≥2 years, surgically or naturally
- body mass index less than or equal to 32 kg/m\^2 at screening
You may not qualify if:
- no use within 3 months prior, nor use for more than 1 month at any time within 6 months of: glucocorticoids, anabolic steroids, estrogens, selective estrogen-receptor modulators (SERMs), or estrogen-related drugs, progestins, calcitonin, vitamin D supplements (\>1200 IU per day), calcitriol, calcidiol, or alfacalcidol at any dose, any bisphosphonate. fluoride (≥10 mg/day), strontium (≥50 mg/day), parathyroid hormone, investigational bone active agents.
- allergic or abnormal reactions to bisphosphonates
- history of cancer within 5 years, excluding squamous and basal cell carcinoma with 6 month remission
- positive pregnancy test
- no depot injection \>10,000 IU vitamin D in previous 9 months.
- no history of GI disease that requires medication, or history of Crohn's disease, ulcerative colitis, diverticular disease, polyps, or surgery that could have changed GI structure or motility.
- no history of frequent diarrhea or constipation that requires regular laxative use.
- no history of alcohol or durg abuse, hyperparathyroidism, cancer previous 5 years, major surgery within 1 month prior to screening, diabetes, uncontrolled hypertension, cardiovascular, hepatic, renal or GI disease.
- no active hyperthyroidism, osteomalacia, use of anticonvulsant medication, or allergic reaction to bisphosphonates
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Warner Chilcottlead
Study Sites (6)
Research Site
Daytona Beach, Florida, 32117, United States
Research Site
Fort Myers, Florida, 33901, United States
Research Site
Honolulu, Hawaii, 96821, United States
Research Site
Evansville, Indiana, 47711, United States
Research Site
Austin, Texas, 78727, United States
Research Site
Dallas, Texas, 75247, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Grexan Wulff, Manager, Regulatory Affairs
- Organization
- Warner Chilcott
Study Officials
- STUDY DIRECTOR
Chantell Wilson, PhD
Procter and Gamble
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- LTE60
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 10, 2009
First Posted
June 11, 2009
Study Start
May 1, 2009
Primary Completion
October 1, 2009
Study Completion
October 1, 2009
Last Updated
June 29, 2015
Results First Posted
March 24, 2011
Record last verified: 2015-06