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Trial · NCT00261950

Bone Biopsy Study For Dialysis Patients With Secondary Hyperparathyroidism of End Stage Renal Disease

NCT00261950, Phase 2, Completed, Amgen; results first posted 2013-12-04

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Bone Biopsy Study For Dialysis Patients With Secondary Hyperparathyroidism of End Stage Renal Disease. Trials, record NCT00261950. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT00261950

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Trial

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

Title
Bone Biopsy Study For Dialysis Patients With Secondary Hyperparathyroidism of End Stage Renal Disease
NCT number
NCT00261950
Status
Completed
Phases
Phase 2
Enrollment
110 participants, actual
Lead sponsor
Amgen
Conditions
Secondary Hyperparathyroidism
Interventions
Sensipar (Cinacalcet HCl)
First posted
2005-12-06
Last updated
2014-07-21
Results first posted
2013-12-04

Source ClinicalTrials.gov

Registered outcomes13

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

ListOutcomeTime frameDescription
PrimaryChange From Baseline to End of Study in Bone Formation Rate (BFR)Baseline to week 52
SecondaryPercent Change From Baseline in Serum Calcium During the Efficacy Assessment Phase (EAP)Baseline to weeks 40-52
SecondaryPercent Change From Baseline in Serum Phosphorus During the Efficacy Assessment Phase (EAP)Baseline to weeks 40-52
SecondaryPercent Change From Baseline in Ca x P During the Efficacy Assessment Phase (EAP)Baseline to weeks 40-52
SecondaryPercent Change From Baseline in Bone Specific Alkaline Phosphatase (BALP) at Week 52Baseline to week 52
SecondaryPercent Change From Baseline in N - Telopeptide (NTx) at Week 52Baseline to week 52
SecondaryPercent Change From Baseline in Parathyroid Hormone (PTH) During the Efficacy Assessment Phase (EAP)Baseline to weeks 40-52
SecondaryChange From Baseline to End of Study in Osteoblast Perimeter (Osteoblast Perimeter/Osteoid Perimeter)Baseline to week 52Osteoblast Perimeter was calculated as "Osteoblast Perimeter/Osteoid Perimeter \* 100"
SecondaryChange From Baseline to End of Study in Osteoclast Perimeter (Osteoclast Perimeter/Eroded Perimeter)Baseline to week 52Osteoclast Perimeter was calculated as "Osteoclast Perimeter/Eroded Perimeter \* 100"
SecondaryChange in Categorization From Baseline to End of Study in Fibrosis Area/Tissue AreaBaseline to week 52Categorisation at each timepoint was based on fibrosis area as a percentage of tissue area (Fibrosis Area/Tissue Area \* 100)

Outcomes13

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

TypeOutcomeTime framePopulationUnitsMeasured as
SECONDARYPercent Change From Baseline in Serum Calcium During the Efficacy Assessment Phase (EAP)Baseline to weeks 40-52Enrolled subjects with serum calcium during the Efficacy Assessment Phase (EAP)percent changeMEAN
SECONDARYPercent Change From Baseline in Serum Phosphorus During the Efficacy Assessment Phase (EAP)Baseline to weeks 40-52Enrolled subjects with serum phosphorus during the Efficacy Assessment Phase (EAP)percent changeMEAN
SECONDARYPercent Change From Baseline in Ca x P During the Efficacy Assessment Phase (EAP)Baseline to weeks 40-52Enrolled subjects with Ca x P during the Efficacy Assessment Phase (EAP)percent changeMEAN
SECONDARYPercent Change From Baseline in Bone Specific Alkaline Phosphatase (BALP) at Week 52Baseline to week 52Enrolled subjects with BALP at week 52percent changeMEAN
SECONDARYPercent Change From Baseline in N - Telopeptide (NTx) at Week 52Baseline to week 52Enrolled subjects with NTx at week 52percent changeMEAN
SECONDARYPercent Change From Baseline in Parathyroid Hormone (PTH) During the Efficacy Assessment Phase (EAP)Baseline to weeks 40-52Enrolled subjects with PTH during the Efficacy Assessment Phase (EAP)percent changeMEAN
PRIMARYChange From Baseline to End of Study in Bone Formation Rate (BFR)Baseline to week 52Enrolled subjects with bone biopsy at week 52μm^2/mm^2/dayMEAN
SECONDARYChange From Baseline to End of Study in Osteoblast Perimeter (Osteoblast Perimeter/Osteoid Perimeter)Baseline to week 52Enrolled subjects with Osteoblast Perimeter at week 52percentage of osteoid perimeterMEAN
SECONDARYChange From Baseline to End of Study in Osteoclast Perimeter (Osteoclast Perimeter/Eroded Perimeter)Baseline to week 52Enrolled subjects with Osteoclast Perimeter at week 52percentage of eroded perimeterMEAN
SECONDARYChange in Categorization From Baseline to End of Study in Fibrosis Area/Tissue AreaBaseline to week 52Enrolled subjects with Fibrosis Area/Tissue Area at week 52participantsNUMBER

Results by group37

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

OutcomeGroupCategoryValueSpreadUnits
Percent Change From Baseline in Serum Calcium During the Efficacy Assessment Phase (EAP)Cinacalcet-6.5Standard Error 1.1percent change
Percent Change From Baseline in Serum Phosphorus During the Efficacy Assessment Phase (EAP)Cinacalcet-1.1Standard Error 2.9percent change
Percent Change From Baseline in Ca x P During the Efficacy Assessment Phase (EAP)Cinacalcet-6.9Standard Error 3.1percent change
Percent Change From Baseline in Bone Specific Alkaline Phosphatase (BALP) at Week 52Cinacalcet6.6Standard Error 12.7percent change
Percent Change From Baseline in N - Telopeptide (NTx) at Week 52Cinacalcet-14.0Standard Error 14.7percent change
Percent Change From Baseline in Parathyroid Hormone (PTH) During the Efficacy Assessment Phase (EAP)Cinacalcet-41.6Standard Error 4.4percent change
Change From Baseline to End of Study in Bone Formation Rate (BFR)Cinacalcet-488Standard Error 73μm^2/mm^2/day
Change From Baseline to End of Study in Osteoblast Perimeter (Osteoblast Perimeter/Osteoid Perimeter)Cinacalcet-4.3Standard Error 1.4percentage of osteoid perimeter
Change From Baseline to End of Study in Osteoclast Perimeter (Osteoclast Perimeter/Eroded Perimeter)Cinacalcet-2.7Standard Error 1.5percentage of eroded perimeter
Change in Categorization From Baseline to End of Study in Fibrosis Area/Tissue AreaCinacalcetBaseline 0% End of Study 0%3participants

Participant flow3

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDCinacalcet110
Overall StudyCOMPLETEDCinacalcet84
Overall StudyNOT COMPLETEDCinacalcet26

Adverse events131

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherAbdominal painGastrointestinal disordersCinacalcet7110
otherAbdominal pain upperGastrointestinal disordersCinacalcet8110
otherDiarrhoeaGastrointestinal disordersCinacalcet22110
otherDyspepsiaGastrointestinal disordersCinacalcet9110
otherNauseaGastrointestinal disordersCinacalcet28110
otherVomitingGastrointestinal disordersCinacalcet23110
otherOedema peripheralGeneral disordersCinacalcet6110
otherPyrexiaGeneral disordersCinacalcet6110
otherBronchitisInfections and infestationsCinacalcet8110
otherUpper respiratory tract infectionInfections and infestationsCinacalcet6110

Adverse event totals3

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityCinacalcet
Total, other adverse eventsCinacalcet84110
Total, serious adverse eventsCinacalcet45110

Papers1

The papers the trial lists on ClinicalTrials.gov.

PMIDListed as
25337774BACKGROUND

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 comparisons0

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

None in this release.

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/NCT00261950

GET https://conductscience.org/api/trials/v1/NCT00261950/results?page=2