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Trial · NCT00009945

Clodronate With or Without Chemotherapy and/or Hormonal Therapy in Treating Women With Stage I or Stage II Breast Cancer

NCT00009945, Phase 3, Completed, NSABP Foundation Inc; results first posted 2017-11-20

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Clodronate With or Without Chemotherapy and/or Hormonal Therapy in Treating Women With Stage I or Stage II Breast Cancer. Trials, record NCT00009945. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT00009945

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Trial

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

Title
Clodronate With or Without Chemotherapy and/or Hormonal Therapy in Treating Women With Stage I or Stage II Breast Cancer
NCT number
NCT00009945
Status
Completed
Phases
Phase 3
Enrollment
3,323 participants, actual
Lead sponsor
NSABP Foundation Inc
Conditions
Breast Cancer
Interventions
clodronate, placebo
First posted
2003-01-27
Last updated
2017-12-13
Results first posted
2017-11-20

Source ClinicalTrials.gov

Registered outcomes5

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

ListOutcomeTime frameDescription
PrimaryDisease Free Survival.8 yearsTime to first event where an event is any recurrences, 2nd primary or death to determine the percentage of patients disease free at 8 years
SecondarySkeletal Metastasis Free Survival8 yearsTime from randomization to first diagnosis of skeletal metastasis to determine the percentage of patient free of skeletal metastasis at 8 years
SecondaryOverall Survival8 yearsTime from randomization to any death to determine the percentage of patients alive at 8 years
SecondaryRelapse Free Survival8 yearsTime from randomization to any local, regional, or distant recurrence of breast cancer to determine the percentage of patients relapse free at 8 years
SecondaryIncidence of Non-skeletal Metastasis8 yearsTime from randomization to incidence of non-skeletal metastasis to determine the percentage of patients free from non-skeletal metastasis at 8 years

Outcomes5

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

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYDisease Free Survival.8 yearspercentage of patientsNUMBER
SECONDARYSkeletal Metastasis Free Survival8 yearspercentage of patientsNUMBER
SECONDARYOverall Survival8 yearspercentage of patientsNUMBER
SECONDARYRelapse Free Survival8 yearspercentage of patientsNUMBER
SECONDARYIncidence of Non-skeletal Metastasis8 yearspercentage of patientsNUMBER

Results by group10

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

OutcomeGroupCategoryValueSpreadUnits
Disease Free Survival.Arm 1: Clodronate81.0percentage of patients
Disease Free Survival.Arm 2: Placebo79.6percentage of patients
Skeletal Metastasis Free SurvivalArm 1: Clodronate95.7percentage of patients
Skeletal Metastasis Free SurvivalArm 2: Placebo94.6percentage of patients
Overall SurvivalArm 1: Clodronate90.6percentage of patients
Overall SurvivalArm 2: Placebo89.3percentage of patients
Relapse Free SurvivalArm 1: Clodronate89.9percentage of patients
Relapse Free SurvivalArm 2: Placebo88.3percentage of patients
Incidence of Non-skeletal MetastasisArm 1: Clodronate94.8percentage of patients
Incidence of Non-skeletal MetastasisArm 2: Placebo93.2percentage of patients

Participant flow6

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDArm 1: Clodronate1,662
Overall StudySTARTEDArm 2: Placebo1,661
Overall StudyCOMPLETEDArm 1: Clodronate1,655
Overall StudyCOMPLETEDArm 2: Placebo1,656
Overall StudyNOT COMPLETEDArm 1: Clodronate7
Overall StudyNOT COMPLETEDArm 2: Placebo5

Adverse events274

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherNeutrophil count decreasedInvestigationsClodronate731,612
otherNeutrophil count decreasedInvestigationsPlacebo1071,623
seriousAbdominal painGastrointestinal disordersClodronate81,612
seriousAbdominal painGastrointestinal disordersPlacebo41,623
seriousAcidosisMetabolism and nutrition disordersClodronate11,612
seriousAcidosisMetabolism and nutrition disordersPlacebo01,623
seriousActivated partial thromboplastin time prolongedInvestigationsClodronate21,612
seriousActivated partial thromboplastin time prolongedInvestigationsPlacebo01,623
seriousAdult respiratory distress syndromeRespiratory, thoracic and mediastinal disordersClodronate11,612
seriousAdult respiratory distress syndromeRespiratory, thoracic and mediastinal disordersPlacebo01,623

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityClodronate51,612
Total, all-cause mortalityPlacebo121,623
Total, other adverse eventsClodronate731,612
Total, other adverse eventsPlacebo1071,623
Total, serious adverse eventsClodronate3401,612
Total, serious adverse eventsPlacebo3501,623

Papers5

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
12149294RESULTPubMed
12814333RESULTPubMed
15122554BACKGROUNDPubMed
22704583DERIVEDPubMed
38979716DERIVEDPubMed

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 comparisons2

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

ComparisonSource
Clodronate vs Placebo: deaths from any causeTrial comparisons
Clodronate vs Placebo: serious adverse eventsTrial comparisons

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/NCT00009945

GET https://conductscience.org/api/trials/v1/NCT00009945/events?page=2