NCT01521494

Brief Summary

To investigate dose-response efficacy and safety in hemodialysis patients with hyperphosphatemia.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
183

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Jan 2012

Shorter than P25 for phase_2

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 11, 2012

Completed
15 days until next milestone

First Submitted

Initial submission to the registry

January 26, 2012

Completed
4 days until next milestone

First Posted

Study publicly available on registry

January 30, 2012

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 3, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 3, 2012

Completed
6.1 years until next milestone

Results Posted

Study results publicly available

August 23, 2018

Completed
Last Updated

August 23, 2018

Status Verified

November 1, 2017

Enrollment Period

6 months

First QC Date

January 26, 2012

Results QC Date

November 27, 2017

Last Update Submit

November 27, 2017

Conditions

Keywords

HemodialysisHyperphosphatemia

Outcome Measures

Primary Outcomes (1)

  • Change From Baseline in Serum Phosphorus Concentrations at the End of Treatment.

    Changes in serum phosphorus concentrations from baseline to the end of treatment were adjusted by serum phosphorus concentration at baseline.

    6 weeks

Secondary Outcomes (2)

  • Change From Baseline in Serum Calcium Concentrations.

    6 weeks

  • Change From Baseline in Serum Intact-PTH Concentrations.

    6 weeks

Study Arms (5)

PA21 750 mg/day

EXPERIMENTAL
Drug: PA21

PA21 1500 mg/day

EXPERIMENTAL
Drug: PA21

PA21 2250 mg/day

EXPERIMENTAL
Drug: PA21

PA21 3000 mg/day

EXPERIMENTAL
Drug: PA21

Placebo

PLACEBO COMPARATOR
Drug: Placebo

Interventions

PA21DRUG
PA21 750 mg/day
Placebo

Eligibility Criteria

Age20 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients age 20 or older, regardless of gender.
  • Receiving stable maintenance hemodialysis 3 times a week.
  • Patients not having changed their phosphate binder agent dose, for 4 weeks or more before their observation period start.

You may not qualify if:

  • Patients having history of a pronounced brain / cardiovascular disorder.
  • Patients having severe gastrointestinal disorders.
  • Patients having severe hepatic disorders.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Japan

Multiple Locations, Japan

Location

Related Publications (1)

  • Natale P, Green SC, Ruospo M, Craig JC, Vecchio M, Elder GJ, Strippoli GF. Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD). Cochrane Database Syst Rev. 2025 Jun 27;6(6):CD006023. doi: 10.1002/14651858.CD006023.pub4.

MeSH Terms

Conditions

Hyperphosphatemia

Condition Hierarchy (Ancestors)

Phosphorus Metabolism DisordersMetabolic DiseasesNutritional and Metabolic Diseases

Results Point of Contact

Title
Clinical Development Division
Organization
Kissei Pharmaceutical Co., Ltd

Study Officials

  • Tatsuro Takei

    Clinical Development Department, Kissei pharmaceutical Co., Ltd.

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 26, 2012

First Posted

January 30, 2012

Study Start

January 11, 2012

Primary Completion

July 3, 2012

Study Completion

July 3, 2012

Last Updated

August 23, 2018

Results First Posted

August 23, 2018

Record last verified: 2017-11

Locations