NCT01200784

Brief Summary

Study hypothesis: Nicotinamide inhibits gastrointestinal phosphate absorption and serum phosphate levels of dialysis patients in a dose dependent manner.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
252

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Aug 2010

Shorter than P25 for phase_2

Geographic Reach
1 country

36 active sites

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

August 1, 2010

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

September 10, 2010

Completed
4 days until next milestone

First Posted

Study publicly available on registry

September 14, 2010

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2011

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2011

Completed
Last Updated

January 18, 2012

Status Verified

January 1, 2012

Enrollment Period

10 months

First QC Date

September 10, 2010

Last Update Submit

January 16, 2012

Conditions

Outcome Measures

Primary Outcomes (1)

  • serum phosphate

    4 weeks of active treatment

Secondary Outcomes (4)

  • serum phosphate

    8 weeks of active treatment

  • serum calcium

    4 and 8 weeks of acitve treatment

  • serum PTH

    4 and 8 weeks of active treatment

  • adverse events

    12 weeks

Study Arms (5)

250 mg/d modified release Nicotinamide

EXPERIMENTAL
Drug: Nicotinamide

500 mg/d modified release Nicotinamide

EXPERIMENTAL
Drug: Nicotinamide

750 mg/d modified release Nicotinamide

EXPERIMENTAL
Drug: Nicotinamide

1000 mg/d modified release Nicotinamide

EXPERIMENTAL
Drug: Nicotinamide

1000 mg/d immidiate release Nicotinamide

ACTIVE COMPARATOR
Drug: Nicotinamide

Interventions

dosage

1000 mg/d immidiate release Nicotinamide1000 mg/d modified release Nicotinamide250 mg/d modified release Nicotinamide500 mg/d modified release Nicotinamide750 mg/d modified release Nicotinamide

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • hemodialysis since 3 months or longer
  • hemodialysis frequency 3 times weekly
  • stable phosphate binder dose since one month at screening
  • serum phosphate level \< 2,42 mmol/l at screening
  • serum phosphate level \> 1,52 mmol/l after wash out phase
  • stable treatment with vitamin D analogues since one month at screening

You may not qualify if:

  • congestive heart failure
  • acute bleeding complications
  • acute myocardial infarction
  • peptic ulcers
  • serious liver damage
  • poorly controlled diabetes
  • severe visual impairment
  • uncontrolled high blood pressure
  • thrombocyte count \< 120/nl
  • difficulties in swallowing or dysphagia
  • diminished intestinal motility, megacolon, pseudo- or mechanical obstruction
  • gastroparesis

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (36)

Unknown Facility

Alsfeld, 36304, Germany

Location

Unknown Facility

Arnstadt, 99310, Germany

Location

Unknown Facility

Augsburg, 86157, Germany

Location

Unknown Facility

Berlin, 12045, Germany

Location

Unknown Facility

Berlin, 12203, Germany

Location

Unknown Facility

Berlin, 12435, Germany

Location

Unknown Facility

Berlin, 13051, Germany

Location

Unknown Facility

Bielefeld, 33602, Germany

Location

Unknown Facility

Coburg, 96450, Germany

Location

Unknown Facility

Darmstadt, 64295, Germany

Location

Unknown Facility

Dortmund, 44135, Germany

Location

Unknown Facility

Dülmen, 48249, Germany

Location

Unknown Facility

Düsseldorf, 40210, Germany

Location

Unknown Facility

Elsenfeld, 63820, Germany

Location

Unknown Facility

Erfurt, 99089, Germany

Location

Unknown Facility

Essen, 45127, Germany

Location

Unknown Facility

Friedrichsroda, 99894, Germany

Location

Unknown Facility

Hamburg, 22297, Germany

Location

Unknown Facility

Hamelin, 31787, Germany

Location

Unknown Facility

Hellersdorf, 12627, Germany

Location

Unknown Facility

Herne, 44623, Germany

Location

Unknown Facility

Herzberg, 04916, Germany

Location

Unknown Facility

Iserlohn, 58638, Germany

Location

Unknown Facility

Jena-Drakendorf, 07751, Germany

Location

Unknown Facility

Kamen, 59174, Germany

Location

Unknown Facility

Kreuzberg, 10245, Germany

Location

Unknown Facility

Leverkusen, 51373, Germany

Location

Unknown Facility

Mannheim, 68309, Germany

Location

Unknown Facility

Minden, 32429, Germany

Location

Unknown Facility

Nordhausen, 99734, Germany

Location

Unknown Facility

Osnabrück, 49074, Germany

Location

Unknown Facility

Pfarrkirchen, 84347, Germany

Location

Unknown Facility

Regensburg, 93053, Germany

Location

Unknown Facility

Schwabach, 91126, Germany

Location

Unknown Facility

Tangermünde, 39590, Germany

Location

Unknown Facility

Wuppertal, 42283, Germany

Location

MeSH Terms

Conditions

Renal Insufficiency, ChronicHyperphosphatemia

Interventions

Niacinamide

Condition Hierarchy (Ancestors)

Renal InsufficiencyKidney DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesMale Urogenital DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsPhosphorus Metabolism DisordersMetabolic DiseasesNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

Nicotinic AcidsAcids, HeterocyclicHeterocyclic CompoundsPyridinesHeterocyclic Compounds, 1-Ring

Study Officials

  • Walter Zidek, Prof. Dr.

    Charité Berlin, Campus Benjamin Franklin, Innere Medizinische Klinik IV WE 28

    STUDY DIRECTOR

Study Design

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

Study Record Dates

First Submitted

September 10, 2010

First Posted

September 14, 2010

Study Start

August 1, 2010

Primary Completion

June 1, 2011

Study Completion

July 1, 2011

Last Updated

January 18, 2012

Record last verified: 2012-01

Locations