DS2330b Alone and With Sevelamer in Patients on Chronic Hemodialysis
Hyperphosphatemia
About this trial
This is an interventional treatment trial for Hyperphosphatemia focused on measuring Chronic hemodialysis, Investigational drug
Eligibility Criteria
Inclusion Criteria:
- Has a body mass index (BMI) of 18 kg/m^2 to 40 kg/m^2 (inclusive)
- Is on prescribed maintenance hemodialysis (three times a week) for at least 3 months before Screening with adequacy demonstrated by a dialysis clearance within 3 months before the first dose of the investigational medicinal product
- Has permanent vascular access [arteriovenous (A-V) fistula or graft]
- Is willing to comply with protocol-specified methods for family planning
For Parts B and C only:
- Has protocol-specified acceptable serum Pi levels at Screening and in serum Pi after up to 3 weeks of washout from all Pi binders
- Has protocol-specified acceptable serum Ca^2+ level and intact parathyroid hormone (iPTH) level at screening
Exclusion Criteria:
- Is employed by the clinic or the sponsor
- Has family relationship with another study participant
Has any history, current condition, or drug use that per protocol or in the opinion of the investigator might compromise:
- safety of the participant or their children
- safety of study staff
- analysis of study results
For Parts B and C only:
- Is not able to take sevelamer carbonate
- Has had partial or total parathyroidectomy within the last six months
Sites / Locations
- DaVita Clinical Research
- Orlando Clinical Research Center
- DaVita Clinical Research
- Prism Clinical Research
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Arm 7
Experimental
Experimental
Placebo Comparator
Experimental
Experimental
Experimental
Experimental
Part A: DS-2330b PIB, then Tablet
Part A: DS-2330b Tablet, then PIB
Part B: Placebo
Part B: DS-2330b PIB
Part B: DS-2330b PIB + Sevelamer
Part B: Placebo + Sevelamer
Part C: DS-2330b Tablet + Sevelamer
On a non-dialysis day, participants are given a single 250 mg dose of DS-2330b PIB [Treatment A1] right after breakfast. At least 3 days will be allowed to let the first dose wash out. Then on a non-dialysis day the participants are given a single 250 mg dose of DS-2330b in tablet form [Treatment A2] right after breakfast.
On a non-dialysis day, participants are given a single 250 mg dose of DS-2330b in tablet form [Treatment A2] right after breakfast. At least 3 days will be allowed to let the first dose wash out. Then on a non-dialysis day the participants are given a single 250 mg dose of DS-2330b PIB [Treatment A1] right after breakfast.
Participants are given placebo three times daily [Treatment B1]
Participants are given 400 mg of DS-2330b PIB three times daily [Treatment B2]
Participants are given 400 mg of DS-2330b PIB along with 1.6 grams of sevelamer three times daily [Treatment B3]
Participants are given placebo along with 1.6 grams of sevelamer three times daily [Treatment B4]
Participants are given one 250 mg dose of DS-2330b in tablet form along with 1.6 grams of sevelamer three times daily [Treatment C]