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Kidney Transplant; ComplicationsNCT03036748

Increased Activity of ENaC in Proteinuric Kidney Transplant Recipients

A study testing Standardized sodium diet and Tbl amiloride in people with Kidney Transplant; Complications, run by University of Southern Denmark at 1 site in Denmark.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The aim of this study is to determine if amiloride, a diuretic drug, is capable of increasing renal salt excretion, lowering blood pressure and inhibiting uPA in kidney transplant recipients with proteinuria compared to normoalbuminuric transplant patients. Read more about this study

Who is it for?
Ages 18 to 75 years
Conditions the study is for
Kidney Transplant; Complications
What is being tested?
Standardized sodium diet and Tbl amiloride
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
14 participants
Where
1 siteDenmark
Study dates
1 Jan 2017to 1 Sep 2021
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • One Group of kidney transplant recipients with ACR< 30mg/g
  • One Group of kidney transplant recipients with ACR >300mg/g

Who cannot join

  • Treatment with amiloride, spironolactone, aldosterone- or analogs or tranexamsyre
  • Pregnancy
  • Clinically relevant organic or systemic disease including malignancy
  • eGFR or creatinin-clearance < 30ml/min
  • hyperkalemia (s-potassium > 5,0mmol/l)

Trial locations and contacts

1 site in 1 country.

Denmark1 site
  • Odense University Hospital

    Odense, 5000

Other trials in Denmark

About this study

The aim of this study is to determine if amiloride, a diuretic drug, is capable of increasing renal salt excretion, lowering blood pressure and inhibiting uPA in kidney transplant recipients with proteinuria compared to normoalbuminuric transplant patients.

Being tested
Standardized sodium diet, Tbl amiloride

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Standardized sodium dietDietary supplement

    Also called Diet

    Dietary Supplement: Standardized salt diet 150 mmol NaCl per day given as three meals daily for 5 consecutive days.

  • Tbl amilorideDrug

    Also called Amiloride

    Drug: Amiloride Amiloride tablet 10 mg two times daily (morning and afternoon) for one day

Study groups in NCT03036748
Study groupRoleWhat they receive
TX controlExperimentalKidney transplant recipients with urinary albumin/creatinin-ratio < 30mg/g
Receives: Dietary Supplement: Standardized sodium diet; Drug: Tbl amiloride
TX ProteinuriaExperimentalKidney transplant recipients with urinary albumin/creatinin-ratio > 300mg/g
Receives: Dietary Supplement: Standardized sodium diet; Drug: Tbl amiloride

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. 24-hour urinary sodium excretion induced by amiloride

    Measured: Change from baseline urinary sodium (after 4 days of standadized sodium diet) excretion at 24 hours after amiloride administration

Secondary outcomes (1)
  1. Office or 24h blood pressure measurements

    Measured: Change from baseline office blood pressure at day 4 of salt diet and at 24 hours after amiloride administration

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted30 Jan 2017 (estimated)
  2. Study start1 Jan 2017
  3. Primary completion1 Sep 2021
  4. Study completion1 Sep 2021

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Basic science
Allocation
Non-randomised
Intervention model
Parallel groups
Model description
Experimental: Kidney transplant recipients with ACR \> 300mg/g receiving standardized sodium diet (150 mmol NaCl/day) for 5 days and amiloride tablet 10 mg two times daily (morning and afternoon) on the last day. Interventions:◦Dietary Supplement: Standardized salt diet ◦Drug: Amiloride •Experimental: Kidney transplant recipient with ACR\< 30mg/g (Control) receiving a standardized salt diet (150 mmol NaCl/day) for 5 days, then amiloride tablet 10 mg two times daily (morning and afternoon) for 1 day. Interventions:◦Dietary Supplement: Standardized salt diet ◦Drug: Amiloride
Masking
None (open label)
Enrolment
14 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03036748
Sponsor's protocol ID
ENaC activation
Status last verified
Dec 2022
First submitted
26 Jan 2017
Last updated
27 Dec 2022
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Isaksson GL, Hinrichs GR, Andersen H, Bach ML, Weyer K, Zachar R, Henriksen JE, Madsen K, Lund IK, Mollet G, Bistrup C, Birn H, Jensen BL, Palarasah Y. Amiloride Reduces Urokinase/Plasminogen-Driven Intratubular Complement Activation in Glomerular Proteinuria. J Am Soc Nephrol. 2024 Apr 1;35(4):410-425. doi: 10.1681/ASN.0000000000000312. Epub 2024 Jan 23.

    PubMed 38254266

Questions about this trial

What is this clinical trial studying?

A study testing Standardized sodium diet and Tbl amiloride in people with Kidney Transplant; Complications, run by University of Southern Denmark at 1 site in Denmark.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 27 Dec 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Denmark. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

24-hour urinary sodium excretion induced by amiloride (time frame: Change from baseline urinary sodium (after 4 days of standadized sodium diet) excretion at 24 hours after amiloride administration). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03036748, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 Dec 2022.

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