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Bazedoxifene

Phase 3

Osteoporosis | Small molecule | Endocrine |Pfizer, Inc.|Last Updated: Apr 10, 2013

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials2
Total Enrollment9,351

FDA Designations

No designations recorded

Clinical trial landscape

Bazedoxifene · 3 trials · 2 indications

Phase 3 2Phase 2 1
NCT00205777Study Evaluating Bazedoxifene Acetate In Osteoporosis In Postmenopausal WomenOsteoporosis
COMPLETED7,609 Analytics
NCT00481169Study Evaluating TSE-424/Placebo/Raloxifene in Preventing Osteoporosis in Postmenopausal WomenOsteoporosis
COMPLETED1,742 Analytics
PHASE3COMPLETED
Study Evaluating Bazedoxifene Acetate In Osteoporosis In Postmenopausal Women
OsteoporosisUnlock trial analytics
PHASE3COMPLETED
Study Evaluating TSE-424/Placebo/Raloxifene in Preventing Osteoporosis in Postmenopausal Women
OsteoporosisUnlock trial analytics

Study Endpoints

Primary Endpoints

Percentage of Participants With New Vertebral Fractures Through Month 36
Baseline through Month 36

New vertebral fracture: decrease in anterior, mid, or posterior vertebral (vt) height of approximately 20% and 4 millimeter (mm) or more from baseline (base) to end of study confirmed by measurement of involved vt body, a semi-quantitative grade change of 1 from base for any vertebra from fourth thoracic to fourth lumbar vertebra (T4 to L4), provided vertebra was not fractured at base. Participant was counted only once irrespective of how many new vt fractures were diagnosed. Stratification factor was base fracture status, categorized as no prevalent fracture and at least 1 prevalent fracture.

Percentage of Participants With New Vertebral Fractures Through Month 60
Baseline through Month 60

New vertebral fracture: decrease in anterior, mid, or posterior vt height of approximately 20% and 4 millimeter (mm) or more from baseline (base) to end of study confirmed by measurement of involved vt body, a semi-quantitative grade change of 1 from base for any vertebra from fourth thoracic to fourth lumbar vertebra (T4 to L4), provided vertebra was not fractured at base. Participant was counted only once irrespective of how many new vt fractures were diagnosed. Stratification factor was base fracture status, categorized as no prevalent fracture and at least 1 prevalent fracture.

Percentage of Participants With New Vertebral Fractures Through Month 84
Baseline through Month 84

New vertebral fracture: decrease in anterior, mid, or posterior vt height of approximately 20% and 4 millimeter (mm) or more from baseline (base) to end of study confirmed by measurement of involved vt body, a semi-quantitative grade change of 1 from base for any vertebra from fourth thoracic to fourth lumbar vertebra (T4 to L4), provided vertebra was not fractured at base. Participant was counted only once irrespective of how many new vt fractures were diagnosed. Stratification factor was base fracture status, categorized as no prevalent fracture and at least 1 prevalent fracture.

The percent change from baseline in lumbar spine bone mineral density (BMD) after 24 months.
24 months
Bone mineral density of lumbar spine (L1-L4) at 2 years.

Secondary Endpoints

Incidence of Breast Cancer Through Month 36
Baseline through Month 36
Incidence of Breast Cancer Through Month 60
Baseline through Month 60
Incidence of Breast Cancer Through Month 84
Baseline through Month 84
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
AACTIVE_COMPARATOR -
BPLACEBO_COMPARATOR -

Interventions

NameTypeDescription
Bazedoxifene AcetateDRUGBZA 20mg, daily, oral
PlaceboOTHERPlacebo, daily, oral
Bazedoxifene Acetate (TSE-424)DRUG -
BazedoxifeneDRUG -
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Eligibility Criteria

Age Range55 Years to 80 Years
SexFEMALE
Healthy VolunteersNo
Study Sites375

Inclusion Criteria: * Must be at least 2 years postmenopausal * Osteoporotic subjects without vertebral fracture who meet BMD criteria, or Osteoporotic subjects with vertebral fracture Exclusion Criteria: * Diseases that may affect bone metabolism * Vasomotor symptoms requiring treatment * Known ...

Countries:United StatesArgentinaAustraliaAustriaBelgiumBrazilBulgariaCanadaChileCroatiaDenmarkEstoniaFinlandFranceGermanyGreeceHong KongHungaryItalyLithuaniaMexicoNetherlandsNew ZealandNorwayPolandRomaniaRussiaSlovakiaSouth AfricaSpain
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Competitive Landscape -Osteoporosis 8 trials

Frequently asked questions about Bazedoxifene

What is Bazedoxifene used for?

Bazedoxifene is an investigational small molecule being studied for conditions related to menopause, including postmenopausal osteoporosis, vaginal atrophy, endometrial hyperplasia, and vasomotor symptoms associated with menopause. It is being developed by Pfizer, Inc. (PFE) and is currently in Phase 3 clinical development.

Who makes Bazedoxifene?

Bazedoxifene is being developed by Pfizer, Inc., which trades under the ticker symbol PFE. The drug is an investigational small molecule in Phase 3 clinical development for multiple menopause-related conditions, including osteoporosis and vasomotor symptoms.

What phase is Bazedoxifene in?

Bazedoxifene is in Phase 3 clinical development. It is an investigational drug and has not been approved by regulatory authorities. Pfizer, Inc. (PFE) is the developer, and the drug is being studied for postmenopausal osteoporosis, vaginal atrophy, and vasomotor symptoms associated with menopause.

What clinical trials has Bazedoxifene been in?

Bazedoxifene has completed three clinical trials. One Phase 3 trial (NCT00238732) evaluated Bazedoxifene with conjugated estrogens for vasomotor symptoms and vaginal atrophy in 650 women. A Phase 2 trial (NCT00238745) studied dose-response in 375 Japanese patients with postmenopausal osteoporosis. Two Phase 1 trials (NCT00479778, NCT00706225) assessed pharmacokinetics and drug interactions in healthy postmenopausal women.

Is Bazedoxifene the same as a combination therapy?

Bazedoxifene has been studied in combination with conjugated estrogens. Clinical trials such as NCT00238732 evaluated Bazedoxifene with conjugated estrogen combinations for vasomotor symptoms and vaginal atrophy, and NCT00479778 examined the pharmacokinetic profile of Bazedoxifene in two Bazedoxifene and conjugated estrogen forms.

What is the mechanism of action of Bazedoxifene?

Bazedoxifene is a small molecule being developed for menopause-related conditions. Its specific molecular target has not been disclosed in the available clinical trial information. The drug is being studied for its effects on postmenopausal osteoporosis, vaginal atrophy, and vasomotor symptoms.