CClinicalTrials.gg
Status unknownNCT00257439Updated Sep 25, 2012

Vitamin Metabolism in Kidney Disease

An observational study in Kidney Failure, sponsored by Aalborg University Hospital. Status unknown at 1 site in Denmark. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2012-09-25.

Sponsored by Aalborg University Hospital · Observational

The sponsor has not verified this record recently (last verified Sep 2012), so the status shown — last known as Recruiting — may be out of date.
Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
100
Ages
18 Years and older
Sex
All
01

Study summary

The purpose of this study is to evaluate the urinary excretion and renal metabolism of vitamins, in particular vitamin B12 and folate, in relation to various renal conditions involving loss of renal function and/or proteinuria.

02

Conditions studied

  • Kidney Failure

Keywords

  • Vitamin B12
  • Folic Acid
03

In context

Kidney Diseases

3,840 studies on the registry are indexed under Kidney Diseases; 500 are open to participants now.

This study's planned enrollment of 100 is below the median of 192 across 1,033 observational studies indexed under Kidney Diseases.

Browse Kidney Diseases studies →

Lead sponsor

Aalborg University Hospital is the lead sponsor of 195 studies on the registry; 39 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

  1. CKD, proteinuria
  2. Healthy controls

Inclusion criteria

  • Admission to the Department of Nephrology, Aalborg Hospital
  • Elevated serum creatinine
  • Proteinuria
  • Informed and written consent

Control subjects:

  • Normal serum creatinine and creatinine clearance
  • No proteinuria

Exclusion criteria

Exclusion Criteria:

  • Vitamin supplementation (exceeding predefined values)
  • Renal replacement therapy (dialysis)
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
100 participants (estimated)

Groups and cohorts

  • CKD

    Elevated se-creatinine + proteinuria

  • Healthy controls

    Healthy controls, normal se-creatinine, no proteinuria

06

Study locations

1 of 1 sites recruiting
  • Department of Nephrology, Aalborg Hospital
    Aalborg, DK-9000, Denmark
    • Jakob Sølling, MD, PhD · Contact · aas.u19116@nja.dk · +45 9932 1111
    • Henrik Birn, MD, PhD · Principal investigator
    Recruiting
07

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Sep 25, 2012, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
08

Registry details

Key details

Study ID
NCT00257439
Lead sponsor
Aalborg University Hospital
Collaborators
University of Aarhus, Aarhus University Hospital
Responsible party
Henrik Birn (MD, Aalborg University Hospital) — Principal investigator
First posted
Nov 23, 2005
Start date
Dec 2005
Last update
Sep 25, 2012

Study contacts

Lars Mølby, MD
Contact
moelby@dadlnet.dk
9932 1111 ext. 2241
Henrik Birn, MD, PhD
principal investigator · Department of Nephrology, Aalborg Hospital

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Sep 2012. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion