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CompletedNCT04112862Updated Nov 23, 2022

Sodium Lactate Infusion in GLUT1DS Patients

An Early Phase 1 interventional study of sodiumlactate in GLUT1 Deficiency Syndrome, GLUT1DS1 and GLUT1DS2, sponsored by Radboud University Medical Center. Completed at 1 site in Netherlands. Open to participants aged 6 Years to 18 Years. Per ClinicalTrials.gov, last updated 2022-11-23.

Sponsored by Radboud University Medical Center · Early Phase 1, Interventional, and Treatment

Phase
Early Phase 1
Study type
Interventional
Enrollment
2
Allocation
Not applicable
Ages
6 Years to 18 Years
Sex
All
01

Study summary

This study investigates the effect of lactate infusion on epileptic discharges on EEG and seizure frequency in glucose transporter 1 deficiency syndrome (GLUT1DS) patients.

Read the detailed description

In glucose transporter 1 deficiency syndrome (GLUT1DS) cerebral glucose uptake from the systemic blood circulation is limited, because of deficient transport of glucose across the blood-brain barrier by the transporter protein (GLUT1). Classically patients present with developmental problems, movement disorders and severe epilepsy. There is no curative treatment for GLUT1DS, and anti-epileptic drugs usually have little to no effect. The ketogenic diet, providing ketones as an alternative energy substrate for the brain is an effective treatment option for the epilepsy and movement disorders in many GLUT1DS patients. Unfortunately, not in all GLUT1DS patients the ketogenic diet has a positive effect and other treatment options for these patients are very limited.

Traditionally, lactate is seen as a waste product of glycolysis during anaerobic conditions and a marker of ischemia. Interestingly, research has shown the beneficial side of lactate as an energy source for different organs. It seems that the brain can indeed use lactate as an alternative energy metabolite, besides glucose and ketones. The aim of this study is to investigate whether lactate can be an alternative energy metabolite in the GLUT1DS brain, and reduce epileptic discharges on EEG when intravenously administered in patients with GLUT1DS.

02

Conditions studied

  • GLUT1 Deficiency Syndrome
  • GLUT1DS1
  • GLUT1DS2
  • Epilepsy
  • Lactic Acid Blood Increased
  • Ketogenic Dieting

Keywords

  • GLUT1 deficiency syndrome
  • sodium lactate infusion
  • epilepsy
03

In context

Glut1 Deficiency Syndrome

22 studies on the registry are indexed under Glut1 Deficiency Syndrome; 2 are open to participants now.

This study's enrollment of 2 is below the median of 17 across 15 interventional studies indexed under Glut1 Deficiency Syndrome.

Browse Glut1 Deficiency Syndrome studies →

Lead sponsor

Radboud University Medical Center is the lead sponsor of 986 studies on the registry; 136 are open to participants now.

Of its 6 completed or terminated interventional studies of FDA-regulated products, 0 (0%) have results posted.

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

04

Who can participate

Ages eligible
6 Years to 18 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Diagnosed with GLUT1DS and known in our center.
  • Baseline characteristics include a high frequency of clinical seizures and epileptic discharges on EEG.
  • History of trying ketogenic diet with good compliance without beneficial effects.
  • Age > 6 years.
  • .

Exclusion criteria

Exclusion Criteria:

  • Additional medical condition or illness that impairs the patient's ability to participate in the study (for example actual treatment of a , active infection, poorly controlled diabetes mellitus, hypertension, organ failure, haematological or biochemical abnormalities).
  • Elevated serum sodium (> 145 mmol/L).
  • Participation in another interventional study at start of the study or during the study.
  • Presence of known panic disorders or a history of panic attacks.
Terms in these criteria, in plain language(3)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

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You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Cancer (malignancy)

Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.

Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.

Clinically significant

Judged by the study doctor to matter for your health or for the study. It is a doctor’s decision, so ask the study team if you are unsure whether something counts.

05

Study design

Phase
Early Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
2 participants (actual)

Study arms

  • Experimental
    Intervention

    three GLUT1DS patients with drug resistant epilepsy who tried the ketogenic diet without any benefits.

    Other: sodiumlactate

Interventions

  • Othersodiumlactate

    intravenous sodiumlactate 600mmol/L

06

What researchers measure

Primary outcomes

  1. Number of changes in epileptic discharges on EEG during the infusion of lactate.

    All subjects have frequent epileptic discharges on EEG. We want to objectify the change in epileptic discharges on EEG during and after the infusion of sodium lactate.

    Time frame: 1 day

Secondary outcomes

  1. Change in seizure frequency clinical visible by caregivers during and after infusion of sodium lactate.

    All subjects have frequent seizures, we want to see if these clinically visible seizures reduce during or after infusion with sodium lactate.

    Time frame: 1 day

  2. Concentration of lactate in blood during and after sodium lactate infusion

    Time frame: 1 day

  3. Concentration of glucose in blood during and after sodium lactate infusion

    Time frame: 1 day

  4. Concentration of sodium in blood during and after sodium lactate infusion

    Time frame: 1 day

  5. Concentration of potassium in blood during and after sodium lactate infusion

    Time frame: 1 day

  6. Concentration of bicarbonate in blood during and after sodium lactate infusion

    Time frame: 1 day

  7. Concentration of chloride in blood during and after sodium lactate infusion

    Time frame: 1 day

  8. pH in blood during and after sodium lactate infusion

    Time frame: 1 day

07

Study locations

1 site
  • Radboudumc
    Nijmegen, Gelderland 6500GA, Netherlands
08

References and documents

Individual participant data

Plan to share: No — We want to include three patients, who all are there own control. If one of their EEGs shows interesting changes during or after lactate infusion, we plan to describe that in our article.

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Ran from May 2022 to primary completion in Nov 2022, 5 months.

How these figures are worked out, and which studies are left out of them.

Registered
Sep 18, 2019
First posted
Oct 2, 2019
StartActual
May 20, 2022
Primary completionActual
Nov 18, 2022
CompletionActual
Nov 18, 2022
Last update
Nov 23, 2022
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Nov 23, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04112862
Responsible party
Sponsor
First posted
Oct 2, 2019
Start date
May 20, 2022
Primary completion
Nov 18, 2022
Completion
Nov 18, 2022
Last update
Nov 23, 2022

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Feb 2022. You cannot join it, but the record below documents what was studied.

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