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| Study Type: | Interventional |
|---|---|
| Study Design: | Allocation: Randomized; Endpoint Classification: Efficacy Study; Intervention Model: Parallel Assignment; Masking: Open Label; Primary Purpose: Treatment |
| Conditions: |
Chronic Kidney Disease End Stage Renal Disease Coronary Artery Calcification Vascular Calcification Calcification Cardiovascular Disease Chronic Renal Failure Hyperparathyroidism Kidney Disease Nephrology Secondary Hyperparathyroidism |
| Intervention: |
Drug: cinacalcet |
Participant Flow
| Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations |
|---|
| Participants were enrolled from 27 October 2006 through 2 May 2008 |
| Significant events and approaches for the overall study following participant enrollment, but prior to group assignment |
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| No text entered. |
| Description | |
|---|---|
| Cinacalcet | Cinacalcet plus low dose vitamin D |
| Control | Flexible vitamin D dosing |
| Cinacalcet | Control | |
|---|---|---|
| STARTED | 180 | 180 |
| COMPLETED | 140 | 140 |
| NOT COMPLETED | 40 | 40 |
| Adverse Event | 7 | 3 |
| Death | 10 | 10 |
| Lost to Follow-up | 2 | 4 |
| Physician Decision | 3 | 4 |
| Withdrawal by Subject | 5 | 5 |
| Ineligibility determined | 0 | 1 |
| Noncompliance | 1 | 1 |
| Parathyroidectomy | 0 | 2 |
| Renal transplantation | 5 | 4 |
| Coronary artery bypass graft | 1 | 1 |
| Other protocol-specified criteria | 3 | 4 |
| Other | 3 | 1 |
Baseline Characteristics
| Description | |
|---|---|
| Cinacalcet | Cinacalcet plus low dose vitamin D |
| Control | Flexible vitamin D dosing |
| Cinacalcet | Control | Total | |
|---|---|---|---|
|
Number of Participants
[units: participants] |
180 | 180 | 360 |
|
Age
[units: Years] Mean ± Standard Deviation |
61.2 ± 12.6 | 61.8 ± 12.8 | 61.5 ± 12.7 |
|
Gender
[units: Participants] |
|||
| Female | 68 | 85 | 153 |
| Male | 112 | 95 | 207 |
|
Race/Ethnicity, Customized
[units: Participants] |
|||
| American Indian or Alaska Native | 1 | 0 | 1 |
| Asian | 4 | 6 | 10 |
| Black or African American | 45 | 40 | 85 |
| Hispanic or Latino | 11 | 14 | 25 |
| Native Hawaiian or Other Pacific Islander | 2 | 0 | 2 |
| White or Caucasian | 116 | 120 | 236 |
| Other | 1 | 0 | 1 |
|
Coronary Artery Calcification Score Stratification Factor
[units: Participants] |
|||
| ≥30 to 399 | 67 | 67 | 134 |
| ≥400 to 999 | 47 | 47 | 94 |
| ≥1000 | 66 | 66 | 132 |
Outcome Measures
| 1. Primary: | Percent Change From Baseline in CAC Score [ Time Frame: Baseline and Week 52 ] |
| 2. Secondary: | Number of Participants Achieving > 15% Progression of CAC. [ Time Frame: 52 weeks ] |
| 3. Secondary: | Absolute Change in PTH [ Time Frame: Baseline and Week 52 ] |
| 4. Secondary: | Change From Baseline in AC Score [ Time Frame: Baseline and Week 52 ] |
| 5. Secondary: | Change From Baseline of the Progression of AVC. [ Time Frame: Baseline and Week 52 ] |
| 6. Secondary: | Percent Change in PTH [ Time Frame: Baseline and Week 52 ] |
| 7. Secondary: | Absolute Change in Calcium [ Time Frame: Baseline and Weeks 44 through 52 ] |
| 8. Secondary: | Percent Change in Calcium [ Time Frame: Baseline and Weeks 44 through 52 ] |
| 9. Secondary: | Absolute Change in Phosphorus [ Time Frame: Baseline and Weeks 44 through 52 ] |
| 10. Secondary: | Percent Change in Phosphorus [ Time Frame: Baseline and Weeks 44 through 52 ] |
| 11. Secondary: | Absolute Change in Ca x P [ Time Frame: Baseline and Weeks 44 through 52 ] |
| 12. Secondary: | Percent Change in Ca x P [ Time Frame: Baseline and Weeks 44 through 52 ] |
More Information
| Principal Investigators are NOT employed by the organization sponsoring the study. | ||||||
| There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed. | ||||||
The agreement is:
|
| Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data |
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| No text entered. |
| Responsible Party: | Global Development Leader, Amgen Inc. |
| ClinicalTrials.gov Identifier: | NCT00379899 History of Changes |
| Other Study ID Numbers: | 20060111 |
| Study First Received: | September 21, 2006 |
| Results First Received: | October 1, 2010 |
| Last Updated: | January 20, 2011 |
| Health Authority: | Australia: Therapeutic Goods Administration European Union: European Medicines Agency United States: Food and Drug Administration United States: Institutional Review Board |