Hyperphosphatemia
Conditions
Brief summary
The aim of the study is: To evaluate the tolerance of lanthanum polystyrene sulfonate powder in patients with end-stage renal disease (ESRD-HD) hyperphosphatemia with multiple doses and multiple doses; To evaluate the pharmacodynamics of lanthanum polystyrene sulfonate powder in hyperphosphatemia patients with end-stage renal disease on hemodialysis (ESRD-HD); To evaluate the pharmacokinetics of lanthanum polystyrene sulfonate powder in patients with end-stage renal disease (ESRD-HD) hyperphosphatemia after multi-dose and multiple administration.
Interventions
D1 was administered once; D2-D12 was administered three times a day; D13 was administered once;
D1 was administered once; D2-D12 was administered three times a day; D13 was administered once;
D1 was administered once; D2-D12 was administered three times a day; D13 was administered once;
Sponsors
Study design
Eligibility
Inclusion criteria
(Only if all the criteria are met): * 1\) Sign the informed consent before the trial, and fully understand the test content, process and possible adverse reactions; * 2\) Able to complete the study according to the requirements of the experimental program, able to accept dietary management and unified diet during the trial; * 3\) Regular hemodialysis was performed three times a week in the 12 weeks before screening (the total number of weeks without three times a week for special reasons should not exceed 2 weeks), and the dialysis regimen was expected to remain unchanged during the trial; * 4\) The patient is receiving appropriate dialysis treatment, and the urea clearance index (KT /V) ≥1.2 (the KT /V value of the research center within one month before screening is valid, and the results of several measurements shall be subject to the latest measurement); * 5\) Subjects (including partners) are willing to voluntarily use effective contraceptive measures within 6 months from the screening to the last study drug administration, as detailed contraceptive measures are shown in Appendix 4; * 6\) Male and female subjects aged 18 to 65 years (including 18 and 65 years) with a body mass index (BMI) in the range of 18 to 35 kg/m2 (including the threshold); * 7\) In patients with end-stage renal disease hyperphosphatemia, fasting blood phosphorus ≥1.78mmol/L and ≤3.23mmol/L were measured at screening and admission.
Exclusion criteria
(If one of the
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Blood phosphate concentrations | At pre-defined intervals from initial dose through final study visit(Day -1 to Day 17) |
| Plasma lanthanum concentrations | At pre-defined intervals from initial dose through final study visit(Day -1 to Day 17) |
Secondary
| Measure | Time frame |
|---|---|
| 24h Urinary phosphate concentrations | At pre-defined intervals from initial dose through final study visit(Day 1 to Day 13) |
| Plasma PTH concentrations | At pre-defined intervals from initial dose through final study visit(Day 1 to Day 17) |
| Plasma calcium concentrations | At pre-defined intervals from initial dose through final study visit(Day 1 to Day 17) |
Countries
China