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Trial · NCT00869206

Registered outcomes12

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

ListOutcomeTime frameDescription
PrimaryPercentage of Participants With at Least One Skeletal-related Event (SRE) Within 2 Years After Randomization2 years
To determine whether every-12-week therapy with zoledronic acid is not inferior to every-4-week therapy for patients with metastatic breast cancer, metastatic prostate cancer, or multiple myeloma involving bone, as measured by the proportion of patients who would have experienced at least one skeletal related event within 24 months after randomization.
SecondaryAverage Pain Intensity Score as Assessed by the Brief Pain Inventory (BPI) Questionnairefrom baseline up to 2 years
To compare pain scores (Brief Pain Inventory) of patients with metastatic breast cancer, metastatic prostate cancer, or myeloma involving bone receiving every 12 week dosing of zoledronic acid to those receiving every 4 week dosing. The change scores were evaluated in a general linear model with repeated measures for treatment effect and the time trend with patient-specific characteristics being adjusted for the mean interference score. Specifically the difference in score change per 4 weeks for Arm I using Arm II as the reference is reported. The score of the BPI questionnaire ranges from 0 being no pain to 10 being the most pain. The average score is reported for each arm below.
SecondaryAverage ECOG Performance Statusfrom baseline up to 2 years
To compare functional status (ECOG performance status) of patients with metastatic breast cancer, metastatic prostate cancer, or myeloma involving bone receiving every 12 week dosing of zoledronic acid to those receiving every 4 week dosing. The change scores were evaluated in a general linear model with repeated measures for treatment effect and the time trend with patient-specific characteristics being adjusted. Specifically the difference in score change per 4 weeks for Arm I using Arm II as the reference is reported. ECOG performance status is a measurement of a patients disability ranging from 0, fully active and able to carry out all pre disease performance without restriction, to 5, dead. The average performance status is reported below by arm.
SecondaryIncidence of Osteonecrosis of the Jawfrom baseline up to 2 years
To compare the incidence of osteonecrosis of the jaw in patients with metastatic breast cancer, metastatic prostate cancer, or myeloma involving bone receiving every 12 week dosing of zoledronic acid to those receiving every 4 week dosing. The percentage of participants with osteonecrosis is reported here.
SecondaryIncidence of Renal Dysfunctionfrom baseline up to 2 years
To compare the incidence of renal dysfunction of patients with metastatic breast cancer, metastatic prostate cancer, or myeloma involving bone receiving every 12 week dosing of zoledronic acid to those receiving every 4 week dosing. The percentage of patients with renal dysfunction, defined as grade 3 or grade 4 increased creatinine (Common Terminology Criteria for Adverse Events version 3.0), will be reported here.
SecondarySkeletal Morbidity Ratefrom baseline up to 2 yearsTo compare the skeletal morbidity rate, defined as the number of skeletal-related events per year, of patients receiving every 12 week dosing to those receiving every 4 week dosing.
SecondaryBone Turnover Assessed by Serum C-telopeptide (CTX) Levels (Breast Cancer)from baseline up to 2 years
To compare the suppression of serum markers of bone resorption of patients with metastatic breast cancer, metastatic prostate cancer, or myeloma involving bone receiving every 12 week dosing of zoledronic acid to those receiving every 4 week dosing. The number of patients with high \& low CTX values by arm will be reported here.
SecondaryProportion of Patients Having at Least One SRE Within 24 Months After Randomization for the Subgroups of Patients With Breast Cancerfrom baseline up to 24 months
To determine whether every 12 week therapy with zoledronic acid is not inferior to every-4-week therapy for patients with breast cancer, as measured by the proportion who experience at least one skeletal related event within 24 months after randomization.
SecondaryProportion of Patients Having at Least One SRE Within 24 Months After Randomization for the Subgroups of Patients With Prostate Cancerfrom baseline up to 24 months
To determine whether every 12 week therapy with zoledronic acid is not inferior to every-4-week therapy for patients with prostate cancer, as measured by the proportion who experience at least one skeletal related event within 24 months after randomization.
SecondaryProportion of Patients Having at Least One SRE Within 24 Months After Randomization for the Subgroups of Patients With Multiple Myelomafrom baseline up to 24 months
To determine whether every 12 week therapy with zoledronic acid is not inferior to every-4-week therapy for patients with multiple myeloma, as measured by the proportion who experience at least one skeletal related event within 24 months after randomization.
SecondaryBone Turnover Assessed by Serum C-telopeptide (CTX) Levels (Prostate Cancer)from baseline up to 24 months
To compare the suppression of serum markers of bone resorption of patients with metastatic breast cancer, metastatic prostate cancer, or myeloma involving bone receiving every 12 week dosing of zoledronic acid to those receiving every 4 week dosing. The number of patients with high \& low CTX values by arm will be reported here.
SecondaryBone Turnover Assessed by Serum C-telopeptide (CTX) Levels (Multiple Myeloma)from baseline up to 24 months
To compare the suppression of serum markers of bone resorption of patients with metastatic breast cancer, metastatic prostate cancer, or myeloma involving bone receiving every 12 week dosing of zoledronic acid to those receiving every 4 week dosing. The number of patients with high \& low CTX values by arm will be reported here.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

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.

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GET https://conductscience.org/api/trials/v1/NCT00869206/registered