Status:

COMPLETED

Treatment of Autonomous Hyperparathyroidism in Post Renal Transplant Recipients

Lead Sponsor:

Amgen

Conditions:

Chronic Allograft Nephropathy

Chronic Kidney Disease

Eligibility:

All Genders

18+ years

Phase:

PHASE3

Brief Summary

Hyperparathyroidism (HPT) is common in people with a kidney transplant. Patients with HPT often have high parathyroid hormone (PTH) levels and may have large parathyroid glands in the neck. Patients w...

Eligibility Criteria

Inclusion

  • Received a kidney transplant ≥ 9 weeks at time of Screening and ≤ 24 months before first dose
  • May be the first kidney transplant or a repeat kidney transplant.
  • Subjects with a functional, stable kidney transplant, defined as MDRD estimated glomerular filtration rate (eGFR) ≥ 30 mL/min/1.73 m² (chromic kidney disease stage 3 or better) at Screening.
  • Men or women ≥ 18 years at the start of Screening (ie, time of informed consent).
  • Corrected total serum calcium \> 10.5 mg/dL (2.63 mmol/L), defined as the mean of 2 values in Screening period.
  • iPTH \> 100 pg/mL (10.6 pmol/L), during the Screening period (obtained at either Screen 1 or Screen 2).

Exclusion

  • Received cinacalcet therapy post-transplant for more than 14 days cumulatively post-transplant. If cinacalcet therapy was received for a total of 14 days or less post-transplant, there must be a 4-week washout before subject is eligible for screening (Note: This does not exclude pre-transplant use of cinacalcet).
  • Anticipated parathyroidectomy within 6 to12 months after Randomization.
  • Ongoing therapy with bisphosphonates or use within 6 months prior to Screening.
  • Ongoing use of 1,25-dihydroxyvitamin D3 (including other active vitamin D metabolites or analogues) or use within 30 days prior to Screening.
  • Ongoing use of calcium supplements or use within 30 days prior to Screening.
  • Ongoing use of phosphate binders (calcium or non-calcium containing) or use within 30 days prior to Screening.
  • Ongoing use of a thiazide diuretic.
  • Subjects with a history of seizures who had a seizure within the 3 months prior to Randomization, which required adjustments to the seizure medication.
  • Acute Kidney Injury (AKI) or renal biopsy within 6 weeks prior to Screening, unless it is an institutional protocol-driven biopsy.

Key Trial Info

Start Date :

December 3 2009

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

April 16 2013

Estimated Enrollment :

114 Patients enrolled

Trial Details

Trial ID

NCT00975000

Start Date

December 3 2009

End Date

April 16 2013

Last Update

October 17 2018

Active Locations (51)

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Page 1 of 13 (51 locations)

1

Research Site

Phoenix, Arizona, United States, 85012

2

Research Site

Tempe, Arizona, United States, 85284

3

Research Site

San Francisco, California, United States, 94143

4

Research Site

Aurora, Colorado, United States, 80045