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Alendronate

Phase 2

Osteoporosis | Small molecule | Endocrine |Merck & Company, Inc.|Last Updated: Jan 19, 2011

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment22
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00259857Safety and Efficacy of Alendronate (Fosamax) in Children With OsteoporosisPHASE2 COMPLETED 22Oct 1, 2003Aug 1, 2009Jan 19, 20111 United States
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Study Endpoints
Primary Endpoints
Number of Participants With Improvement in Bone Mineral Density (BMD) of Spine After Therapy
12 months therapy

Participants were screened for BMD of lumbar spine using DXA scan at visit 12 months after alendronate or placebo treatment.

Secondary Endpoints
Number of Participants With Improvement in Bone Mineral Density (BMD) of Hip After Therapy
12 months of therapy
Number of Participants With Improvement in BMD of Hip
24 months of therapy
Participants With Atraumatic Fractures
0 months
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelCROSSOVER
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
1 Alendronate, Calcium, Vitamin DEXPERIMENTALCrossover study. Year-1, 10 participants will take study medication, calcium and vitamin D supplements and other 10 participants will take placebo, calcium and vitamin D supplements. Year-2, they will crossover to the second arm of the study. Those who took study medication and supplements in year-1, will take placebo and supplements in the year-2, and those 10 participants who took placebo and supplements in the year-1, will take study medications and supplements in the year-2.
2 Placebo, Calcium and Vitamin DPLACEBO_COMPARATORYear-1, 10 participants will take Alendronate (study medication)and calcium and vitamin D supplement). Another 10 participants will take placebo, calcium and vitamin D. In year-2 they will crossover. Those who took alendronate in the first year, will take Placebo, calcium and vitamin D for 12 months and those who took Placebo in the first year, will take Alendronate, calcium and vitamin D in the second year (12 months).
Interventions
NameTypeDescription
AlendronateDRUGGroup-1/Year-1:Alendronate, pill, 35mg or 70mg, weekly; calcium, pill, 500mg or 1000mg daily; vitamin D, liquid, 800IU, daily, depending upon the body weight, for 12 months. Group-1/Year-2:Placebo, pill, 35mg or 70mg, weekly; calcium, pill, 500mg or 1000mg daily; vitamin D, liquid, 800IU, daily, depending upon the body weight for 12 months. Group-2/Year-1:Placebo, pill, 35mg or 70mg, weekly; calcium, pill, 500mg or 1000mg daily; vitamin D, liquid, 800IU, daily, depending upon the body weight for 12 months. Group-2/Year-2: Alendronate, pill, 35mg or 70mg, weekly; calcium, pill, 500mg or 1000mg daily; vitamin D, liquid, 800IU, daily, depending upon the body weight for 12 months.
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Eligibility Criteria
Age Range5 Years — 15 Years
SexALL
Healthy VolunteersNo
Study Sites1

Eligibility Criteria: * 5-15 yrs of age * Weighing 20 kg and more * History of multiple fractures * Tanner stage II or less * Osteoporosis by DXA. Inclusion Criteria: * Male and female children with a history of one or more atraumatic fractures, or evidence of one or more compression fractures on...

Countries:United States
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Competitive Landscape -Osteoporosis 8 trials