Extension Study of Cinacalcet for Treatment of Secondary Hyperparathyroidism (SHPT) in Pediatric Patients With Chronic Kidney Disease on Dialysis

Completed · Phase 3

Conditions studied: Secondary Hyperparathyroidism, Chronic Kidney Disease

In brief

The primary objective of this study was to characterize the long-term safety and tolerability of cinacalcet in pediatric patients with chronic kidney disease (CKD) receiving dialysis.

Key facts

Study ID: NCT02341417
Run by: Amgen
People needed: 28
Starts: 2015-06-10
Expected to finish: 2017-03-15
Last updated by the study team: 2020-06-29

Who can join

Age: any, up to 18. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

All subjects:
Subject's legally acceptable representative has provided informed consent when the subject is legally too young to provide informed consent and the subject has provided written assent based on local regulations and/or guidelines prior to any Study 20140159 activities/procedures being initiated.
Dialysate calcium concentration ≥ 2.5 mEq/L at day 1
All subjects with > 14 days between the last study visit in Study 20130356 or Study 20110100 and screening for Study 20140159:
Subjects on anti-convulsant medication must be on a stable dose
All subjects from 20130356:
Completed treatment through week 20 in the 20130356 study or on study at the time of Study 20130356 termination
Dry weight ≥ 12.5 kg at day 1 of Study 20140159
Subjects Randomized to the 20130356 Standard of Care Arm Only:
intact parathyroid hormone (iPTH) value ≥ 300 pg/mL (within 7 days of day 1 in Study 20140159)
Corrected calcium value ≥ 8.8 mg/dL within 7 days of day 1 in Study 20140159
All Subjects from 20110100:
Completed week 26 End of Study visit in the, 20110100 study or on study at the time of Study 20110100 termination
Dry weight ≥ 7 kg at day 1 of Study 20140159

You may not qualify if…

General (studies 20130356 and 20110100):
Currently receiving treatment in another investigational device or drug study, or less than 30 days since ending treatment on another investigational device or drug study(s), other than Amgen Studies 20130356 or 20110100.
Other investigational procedures while participating in this study are excluded.
Malignancy except non-melanoma skin cancers, cervical or breast ductal carcinoma in situ within the last 5 years.
Subject has known sensitivity to any of the products to be administered during dosing.
Subject likely to not be available to complete all protocol-required study visits or procedures, and/or to comply with all required study procedures (eg, electronic patient diary [ediary]) to the best of the subject and investigator's knowledge
History or evidence of any other clinically significant disorder, condition or disease (with the exception of those outlined above) that, in the opinion of the investigator or Amgen physician, if consulted, would pose a risk to subject safety or interfere with the study evaluation, procedures, or completion.
Subject previously has entered this study.
If sexually active, subject is not willing to use acceptable contraception during treatment and for at least 9 days after the end of treatment.
Subject is pregnant or breast feeding, or planning to become pregnant during the study or within 9 days after the end of treatment
History of congenital long QT syndrome, second or third degree heart block, ventricular tachyarrythmias, or other conditions associated with prolonged QT interval
A new onset of seizures or worsening of pre-existing seizure disorder
All Subjects with > 14 days between the last study visit in Study 20130356 or Study 20110100 and the screening visit in Study 20140159 will have the following exclusion criteria applied during screening and day 1:
Unstable chronic heart failure defined as worsening pulmonary edema or other signs and symptoms as per investigator assessment during screening
Received therapy with commercial cinacalcet after the last study visit in Study 20130356 or Study 20110100 before day 1 of Study 20140159
Scheduled date for kidney transplantation from a known living donor that makes completion of the study unlikely
Either new or recurrent cardiac ventricular arrhythmias requiring a change in treatment within 10 days prior to screening visit or day 1 of Study 20140159 screening
Hepatic impairment indicated by elevated levels of hepatic transaminase or bilirubin (aspartate aminotransferase [AST] ≥ 1.5 × upper limit of normal [ULN] OR alanine aminotransferase [ALT] ≥ 1.5 × ULN OR total bilirubin ≥ 1 × ULN per institutional laboratory range) during screening
All Subjects - Day 1 Study Visit:
Subject has an ongoing adverse event from Studies 20130356 or 20110100 that is considered related to investigational product and is ≥ Common Terminology Criteria for Adverse Events (CTCAE) (v 4.0) grade 3, and/or considered clinically significant in the opinion of the investigator
Central laboratory values were not obtained/are not available at day 1 in Study 20140159
Corrected QT Interval (QTc) > 500 ms, using Bazett's formula
QTc ≥ 450 to ≤ 500 ms, using Bazett's formula, unless written permission to enroll is provided by the investigator after consultation with a pediatric cardiologist
Use of grapefruit juice, herbal medications, CYP3A4 inhibitors (eg, erythromycin, clarithromycin, ketoconazole, itraconazole), or CYP2D6 substrates (eg, flecainide, propafenone, metoprolol, desipramine, nortriptyline, clomipramine)
Use of concomitant medications that may prolong the QTc interval (eg, ondansetron, albuterol)

Where it is running

Research Site — Los Angeles, California, United States
Research Site — Tucker, Georgia, United States
Research Site — Baltimore, Maryland, United States
Research Site — Boston, Massachusetts, United States
Research Site — Minneapolis, Minnesota, United States
Research Site — Jackson, Mississippi, United States
Research Site — Kansas City, Missouri, United States
Research Site — St Louis, Missouri, United States
Research Site — West Orange, New Jersey, United States
Research Site — New York, New York, United States
Research Site — Greenville, North Carolina, United States
Research Site — Cincinnati, Ohio, United States
Research Site — Cleveland, Ohio, United States
Research Site — Columbus, Ohio, United States
Research Site — Oklahoma City, Oklahoma, United States
Research Site — Dallas, Texas, United States
Research Site — Houston, Texas, United States
Research Site — Salt Lake City, Utah, United States
Research Site — Brussels, Belgium
Research Site — Prague, Czechia
Research Site — Paris, France
Research Site — Hanover, Germany
Research Site — Heidelberg, Germany
Research Site — Marburg, Germany
Research Site — Athens, Greece

Full record on ClinicalTrials.gov

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