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Clinical Trials List

Protocol NumberPBB00501
NCT Number(ClinicalTrials.gov Identfier)NCT03256838

2017-01-01 - 2018-12-31

Phase IV

Terminated9

ICD-10N18

Chronic kidney disease (CKD)

ICD-10N18.6

End stage renal disease

A Long-Term, Open-Label, Prospective Observational Phase IV Study to Assess the Safety and Efficacy of Nephoxil® in Subjects with End Stage Renal Disease (ESRD) on Dialysis.

  • Trial Applicant

  • Sponsor

    Panion & BF Biotech Inc.

  • Trial scale

    Taiwan Multiple Center

  • Update

    2025/08/20

Investigators and Locations

Principal Investigator Ming-Ju Wu Division of Nephrology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator 彭渝森 Division of Nephrology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator 呂至剛 Division of Nephrology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator 李建德 Division of Nephrology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator 李進昌 Division of Nephrology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator Mai-Szu Wu Division of Nephrology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator Yi wen chiu Division of Nephrology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator Der-Cherng Tarng Division of Nephrology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Principal Investigator 吳明修 Division of Nephrology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Stop recruiting

Condition/Disease

Hyperphosphatemia/End Stage Renal Disease (ESRD)

Objectives

This study is an open-label, prospective, long term, observational Phase IV study to assess the safety and efficacy of Nephoxil® in subjectswith ESRD on dialysis. Subjects who meet the eligibility criteria and provided informed consent will be enrolled to the observational study for up to 12 months oftreatment with Nephoxil®. No wash-out period will be required despite prior use of any oral phosphate binders.

Test Drug

NEPHOXIL®

Active Ingredient

Ferric Citrate

Dosage Form

Capsule

Dosage

500mg

Endpoints

Primary Outcome Measures :
Number of subjects with treatment-emergent adverse events (TEAEs) [ Time Frame: 13 months ]
Number of subjects with treatment-emergent adverse events (TEAEs)

Percentage of subjects with treatment-emergent adverse events (TEAEs) [ Time Frame: 13 months ]
Percentage of subjects with treatment-emergent adverse events (TEAEs)


Secondary Outcome Measures :
Serum Phosphorus [ Time Frame: 13 months ]
Serum Phosphorus will be assessed by time-course changes of serum phosphorus levels and proportion of subjects achieved target range of serum phosphorus (>=3.5 mg/dL and <=5.5. mg/dL) from baseline to the end-of-treatment.


Other Outcome Measures:
Serum calcium [ Time Frame: 13 months ]
Time-course changes of serum calcium from baseline.

Intact plasma parathyroid hormone (iPTH) [ Time Frame: 13 months ]
Time-course changes of intact plasma parathyroid hormone (iPTH) from baseline.

Ferritin [ Time Frame: 13 months ]
Time-course changes of ferritin from baseline.

Transferring saturation (TSAT) percentage [ Time Frame: 13 months ]
Time-course changes of transferring saturation (TSAT) percentage from baseline.

Serum iron [ Time Frame: 13 months ]
Time-course changes of serum iron from baseline.

Total iron-binding capacity (TIBC) [ Time Frame: 13 months ]
Time-course changes of total iron-binding capacity (TIBC) from baseline.

Hemoglobin [ Time Frame: 13 months ]
Time-course changes of hemoglobin from baseline.

Dose of IV iron [ Time Frame: 13 months ]
Time-course changes of dose of IV iron from baseline.

Dose of erythropoiesis stimulating agents (ESA) [ Time Frame: 13 months ]
Time-course changes of dose of erythropoiesis stimulating agents (ESA) from baseline.

Treatment adherence [ Time Frame: 13 months ]
Prescribed dose and the dose actually taken at each time point will be calculated.

Inclution Criteria

A subject can participate in the study only if all the following criteria are met:
1.Is ≧18 years of age on the day of signing informed consent or other age required by local regulation
2.Willing and able to provide written informed consent
3.ESRD patients who is undergoing hemodialysis 3 times per week and is considered necessary to receive medication for hyperphosphatemia by his/her treating physician
4.Serum ferritin <1000 ng/mL and transferrin saturation (TSAT) < 50% at the Enrollment Visit
5.Women of child-bearing potential (WOCBP [defined as women ≦ 50 years of age with a history of amenorrhea for < 12 months prior to study entry]) who is willing to use an effective form of contraception during study participation.

Exclusion Criteria

Subjects who meet any of the following criteria are not eligible to enter the study:
1.Has any known contraindication to ferric citrate according to locally approved prescribing information, include but not limited to the following criteria:
i.Is allergic to ferric citrate
ii.Has hypophosphatemia
iii.Has hemochromatosis or iron overload syndromes
iv.Has active severe GI disorders
2.Has parathyroidectomy (PTx) or percutaneous ethanol injection therapy (PEIT) within 3 months prior to Enrollment Visit or serum calcium < 7 mg/dL at the Enrollment Visit
3.Has participated in another interventional study for any investigational agent or device within 30 days prior to enrollment
4.Is currently pregnant or breastfeeding
5.Other unstable medical condition or psychiatric conditions that is considered unsuitable for this study per Investigator’s clinical judgment

The Estimated Number of Participants

  • Taiwan

    200 participants

  • Global

    0 participants