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Trial ยท NCT00205777

Study Evaluating Bazedoxifene Acetate In Osteoporosis In Postmenopausal Women

NCT00205777, Phase 3, Completed, Pfizer; results first posted 2013-04-10

3 sourcestrials-2026-11-12-0.4.0

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ConductScience Library. Study Evaluating Bazedoxifene Acetate In Osteoporosis In Postmenopausal Women. Trials, record NCT00205777. Release trials-2026-11-12-0.4.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT00205777

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Study Evaluating Bazedoxifene Acetate In Osteoporosis In Postmenopausal Women
NCT number
NCT00205777
Status
Completed
Phases
Phase 3
Enrollment
7,609 participants, actual
Lead sponsor
Pfizer
Conditions
Osteoporosis
Interventions
Bazedoxifene Acetate, Placebo
First posted
2005-09-20
Last updated
2013-04-10
Results first posted
2013-04-10

Source ClinicalTrials.gov

Registered outcomes60

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryPercentage of Participants With New Vertebral Fractures Through Month 36Baseline 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.
PrimaryPercentage of Participants With New Vertebral Fractures Through Month 60Baseline 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.
PrimaryPercentage of Participants With New Vertebral Fractures Through Month 84Baseline 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.
SecondaryIncidence of Breast Cancer Through Month 36Baseline through Month 36
Incidence of breast cancer was defined as the number of participants with breast cancer diagnosis by the time point of interest divided by the number of participants included in the analysis. The reported rate was rescaled to reflect average follow-up time per 1000 women (1000 multiplied by number of cases divided by total follow-up time).
SecondaryIncidence of Breast Cancer Through Month 60Baseline through Month 60
Incidence of breast cancer was defined as the number of participants with breast cancer diagnosis by the time point of interest divided by the number of participants included in the analysis. The reported rate was rescaled to reflect average follow-up time per 1000 women (1000 multiplied by number of cases divided by total follow-up time).
SecondaryIncidence of Breast Cancer Through Month 84Baseline through Month 84
Incidence of breast cancer was defined as the number of participants with breast cancer diagnosis by the time point of interest divided by the number of participants included in the analysis. The reported rate was rescaled to reflect average follow-up time per 1000 women (1000 multiplied by number of cases divided by total follow-up time).
SecondaryPercentage of Participants With New Clinical Vertebral Fractures Through Month 36Baseline through Month 36
A new clinical vertebral fracture was defined as a new fracture found at any time because of back pain suggestive of fracture(s). New Clinical vertebral fractures were verified with radiographic assessment using both semi-quantitative and quantitative morphometric assessment: decrease in anterior, mid, or posterior vt height of approximately 20% and 4 mm or more from 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 T4 to L4, provided vertebra was not fractured at base.
SecondaryPercentage of Participants With New Clinical Vertebral Fractures Through Month 60Baseline through Month 60
A new clinical vertebral fracture was defined as a new fracture found at any time because of back pain suggestive of fracture(s). New Clinical vertebral fractures were verified with radiographic assessment using both semi-quantitative and quantitative morphometric assessment: decrease in anterior, mid, or posterior vt height of approximately 20% and 4 mm or more from 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 T4 to L4, provided vertebra was not fractured at base.
SecondaryPercentage of Participants With New Clinical Vertebral Fractures Through Month 84Baseline through Month 84
A new clinical vertebral fracture was defined as a new fracture found at any time because of back pain suggestive of fracture(s). New Clinical vertebral fractures were verified with radiographic assessment using both semi-quantitative and quantitative morphometric assessment: decrease in anterior, mid, or posterior vt height of approximately 20% and 4 mm or more from 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 T4 to L4, provided vertebra was not fractured at base.
SecondaryNumber of Participants With Worsening Vertebral Fractures Through Month 36Baseline through Month 36
A worsening vertebral fracture was defined as a decrease in anterior, mid, or posterior vertebral height of at least 20% and at least 4 mm as evaluated by quantitative morphometric assessment, and a grade change of at least 1 as rated by a radiologist using the semi-quantitative rating scale. It can occur only in a vertebra that was fractured at baseline.

Outcomes60

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYPercentage of Participants With New Vertebral Fractures Through Month 36Baseline through Month 36
Intent-to-treat(ITT) population for vt fractures:randomized participants who took at least 1 dose of test article;had vt radiographic assessment at baseline and at least once while on therapy.N (number of participants analyzed)=participants evaluable for this measure.n=participants with specified baseline fracture status evaluable for each group.
Percentage of participantsNUMBER
PRIMARYPercentage of Participants With New Vertebral Fractures Through Month 60Baseline through Month 60
ITT population for vt fractures:randomized participants who took at least 1 dose of test article;had vt radiographic assessment at baseline and at least once while on therapy.N (number of participants analyzed)=participants evaluable for this measure.n=participants with specified baseline fracture status evaluable for each group.
Percentage of participantsNUMBER
PRIMARYPercentage of Participants With New Vertebral Fractures Through Month 84Baseline through Month 84
Modified ITT(mITT) population of safety population category one(SP1) population:randomized participants who took at least 1 dose of test article;had vt radiographic assessment at baseline and at least once while on therapy.N (number of participants analyzed)=participants evaluable.n=participants with specified baseline fracture status.
Percentage of participantsNUMBER
SECONDARYIncidence of Breast Cancer Through Month 36Baseline through Month 36
Safety Population 1 (SP1) included all randomized participants who received at least 1 dose of test article. 'N' (number of participants analyzed) signifies those participants evaluable for this measure.
Breast cancer per 1000-women yearsNUMBER
SECONDARYIncidence of Breast Cancer Through Month 60Baseline through Month 60SP1 included all randomized participants who received at least 1 dose of test article. 'N' (number of participants analyzed) signifies those participants evaluable for this measure.Breast cancer per 1000-women yearsNUMBER
SECONDARYIncidence of Breast Cancer Through Month 84Baseline through Month 84SP1 included all randomized participants who received at least 1 dose of test article. 'N' (number of participants analyzed) signifies those participants evaluable for this measure.Breast cancer per 1000-women yearsNUMBER
SECONDARYPercentage of Participants With New Clinical Vertebral Fractures Through Month 36Baseline through Month 36
ITT population for vt fractures:randomized participants who took at least 1 dose of test article;had vt radiographic assessment at baseline and at least once while on therapy. 'N' (number of participants analyzed) signifies those participants who were evaluable for this measure.
Percentage of participantsNUMBER
SECONDARYPercentage of Participants With New Clinical Vertebral Fractures Through Month 60Baseline through Month 60
ITT population for vt fractures:randomized participants who took at least 1 dose of test article;had vt radiographic assessment at baseline and at least once while on therapy. 'N' (number of participants analyzed) signifies those participants who were evaluable for this measure.
Percentage of participantsNUMBER
SECONDARYPercentage of Participants With New Clinical Vertebral Fractures Through Month 84Baseline through Month 84
mITT population of SP1 population included all randomized participants who took at least 1 dose of test article and who had a vertebral radiographic assessment at baseline and at least once while on therapy. 'N' (number of participants analyzed) signifies those participants who were evaluable for this measure.
Percentage of participantsNUMBER
SECONDARYNumber of Participants With Worsening Vertebral Fractures Through Month 36Baseline through Month 36
ITT population for vt fractures:randomized participants who took at least 1 dose of test article;had vt radiographic assessment at baseline and at least once while on therapy. 'N' (number of participants analyzed) signifies those participants who were evaluable for this measure.
ParticipantsNUMBER

Results by group619

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Percentage of Participants With New Vertebral Fractures Through Month 36Bazedoxifene 20 mg (Core+SE I)No Prevalent Fracture (n=757,744,742,760)1.9895% Confidence Interval 1.15 to 3.40Percentage of participants
Percentage of Participants With New Vertebral Fractures Through Month 36Bazedoxifene 40 mg (Core)No Prevalent Fracture (n=757,744,742,760)2.1495% Confidence Interval 1.25 to 3.67Percentage of participants
Percentage of Participants With New Vertebral Fractures Through Month 36Raloxifene 60 mg (Core)No Prevalent Fracture (n=757,744,742,760)1.8495% Confidence Interval 1.04 to 3.22Percentage of participants
Percentage of Participants With New Vertebral Fractures Through Month 36Placebo (Core+SE I+SE II)No Prevalent Fracture (n=757,744,742,760)3.1395% Confidence Interval 2.03 to 4.82Percentage of participants
Percentage of Participants With New Vertebral Fractures Through Month 36Bazedoxifene 20 mg (Core+SE I)At Least 1 Prevalent Fracture (n=967,942,954,981)2.6395% Confidence Interval 1.73 to 3.98Percentage of participants
Percentage of Participants With New Vertebral Fractures Through Month 36Bazedoxifene 40 mg (Core)At Least 1 Prevalent Fracture (n=967,942,954,981)2.8095% Confidence Interval 1.86 to 4.20Percentage of participants
Percentage of Participants With New Vertebral Fractures Through Month 36Raloxifene 60 mg (Core)At Least 1 Prevalent Fracture (n=967,942,954,981)2.7495% Confidence Interval 1.81 to 4.14Percentage of participants
Percentage of Participants With New Vertebral Fractures Through Month 36Placebo (Core+SE I+SE II)At Least 1 Prevalent Fracture (n=967,942,954,981)4.8095% Confidence Interval 3.52 to 6.52Percentage of participants
Percentage of Participants With New Vertebral Fractures Through Month 60Bazedoxifene 20 mg (Core+SE I)No Prevalent Fracture (n=757,760,744)3.1195% Confidence Interval 1.94 to 4.96Percentage of participants
Percentage of Participants With New Vertebral Fractures Through Month 60Placebo (Core+SE I+SE II)No Prevalent Fracture (n=757,760,744)5.4095% Confidence Interval 3.73 to 7.80Percentage of participants

Participant flow102

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Core Study (Up to 3 Years)STARTEDBazedoxifene 20 mg (Core+SE I)1,907
Core Study (Up to 3 Years)STARTEDBazedoxifene 40 mg (Core)1,904
Core Study (Up to 3 Years)STARTEDRaloxifene 60 mg (Core)1,884
Core Study (Up to 3 Years)STARTEDPlacebo (Core+SE I+SE II)1,914
Core Study (Up to 3 Years)STARTEDBazedoxifene 40/20 mg (SE I)0
Core Study (Up to 3 Years)STARTEDBazedoxifene 20 mg (SE II)0
Core Study (Up to 3 Years)TREATEDBazedoxifene 20 mg (Core+SE I)1,886
Core Study (Up to 3 Years)TREATEDBazedoxifene 40 mg (Core)1,872
Core Study (Up to 3 Years)TREATEDRaloxifene 60 mg (Core)1,849
Core Study (Up to 3 Years)TREATEDPlacebo (Core+SE I+SE II)1,885

Adverse events1,776

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherAbdominal painGeneral disordersBazedoxifene 20 mg4601,886
otherAbdominal painGeneral disordersBazedoxifene 40/ 20 mg4601,872
otherAbdominal painGeneral disordersRaloxifene 60 mg (Core Study)4601,849
otherAbdominal painGeneral disordersPlacebo5091,885
otherAccidental injuryGeneral disordersBazedoxifene 20 mg5031,886
otherAccidental injuryGeneral disordersBazedoxifene 40/ 20 mg4491,872
otherAccidental injuryGeneral disordersRaloxifene 60 mg (Core Study)4061,849
otherAccidental injuryGeneral disordersPlacebo5221,885
otherAstheniaGeneral disordersBazedoxifene 20 mg2341,886
otherAstheniaGeneral disordersBazedoxifene 40/ 20 mg2301,872

Adverse event totals12

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityBazedoxifene 20 mg
Total, all-cause mortalityBazedoxifene 40/ 20 mg
Total, all-cause mortalityRaloxifene 60 mg (Core Study)
Total, all-cause mortalityPlacebo
Total, other adverse eventsBazedoxifene 20 mg1,8181,886
Total, other adverse eventsBazedoxifene 40/ 20 mg1,8001,872
Total, other adverse eventsRaloxifene 60 mg (Core Study)1,7751,849
Total, other adverse eventsPlacebo1,8231,885
Total, serious adverse eventsBazedoxifene 20 mg5071,886
Total, serious adverse eventsBazedoxifene 40/ 20 mg4681,872

Papers1

The papers the trial lists on ClinicalTrials.gov.

PMIDListed as
20569451DERIVED

Source PubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons1

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

Comparison
Placebo (Core+SE I+SE II) vs Bazedoxifene 20 mg (SE II): Number of Participants With Worsening Vertebral Fractures Through Month 84

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT00205777

GET https://conductscience.org/api/trials/v1/NCT00205777/registered?page=2