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CompletedNCT05610254Updated Sep 5, 2024

The Cold Fluids Study

A Phase 4 interventional study of Ringer's Lactate in Hemodynamic Instability, sponsored by Esbjerg Hospital - University Hospital of Southern Denmark. Completed at 1 site in Denmark. Open to participants aged 18 Years to 64 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2024-09-05.

Sponsored by Esbjerg Hospital - University Hospital of Southern Denmark · Phase 4, Interventional, and Treatment

Phase
Phase 4
Study type
Interventional
Enrollment
18
Allocation
Randomized
Ages
18 Years to 64 Years
Sex
All
01

Study summary

In this single center crossover study the aim is to investigate the effect of Ringer's lactate solution at high and low temperatures on physiological response in healthy adults.18 healthy volunteers will be included. Inclusion criteria is; Age between 18-64. Exclusion criteria is; Pre-existing medical problems, Pregnancy (validated through a certified pregnancy test), Body mass index >35 kg/m2, Medication use apart from allergy medication, contraceptives, or non-steroidal anti-inflammatory drugs.

Participants will be randomized to receive 30 ml/kg of Ringer's lactate either cold (15°C, 59°F), or at body temperature (37°C, 98.6°F) during a 30-minute interval. Fluids will be administered through a peripheral vein. After a minimum "washout period" of 24 hours, subjects are switched to receive infusion at the other aforementioned temperatures.

Primary outcome is

  • The increase in MAP at 15 minutes after infusion of the fluid bolus. Secondary outcome is
  • Time until return of MAP to baseline value after infusion.
02

Conditions studied

  • Hemodynamic Instability
03

In context

Lead sponsor

Esbjerg Hospital - University Hospital of Southern Denmark is the lead sponsor of 49 studies on the registry; 16 are open to participants now.

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

04

Who can participate

Ages eligible
18 Years to 64 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

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

  • Age between 18-64

Exclusion criteria

Exclusion Criteria:

  • Pre-existing medical problems
  • Pregnancy (validated through a certified pregnancy test)
  • Body mass index >35 kg/m2
  • Medication use apart from allergy medication, contraceptives, or non-steroidal anti-inflammatory drugs.
05

Study design

Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Crossover assignment
Masking
None (open label)
Enrollment
18 participants (actual)

Study arms

  • Active comparator
    Cold-Warm

    Trial day 1: Participants receive Ringer's lactate cold (15°C, 59°F), Trial day 2: Participants receive Ringer's lactate at body temperature (37°C, 98.6°F)

    Drug: Ringer's Lactate

  • Active comparator
    Warm-Cold

    Trial day 1: Participants receive Ringer's lactate at body temperature (37°C, 98.6°F) Trial day 2: Participants receive Ringer's lactate cold (15°C, 59°F),

    Drug: Ringer's Lactate

Interventions

  • On the first trial day healthy volunteers are randomized to receive 30 ml/kg of Ringer's lactate either cold (15°C, 59°F), or at body temperature (37°C, 98.6°F) during a 30-minute interval. After a minimum "washout period" of 24 hours, subjects are switched to receive infusion at the other aforementioned temperatures.

06

What researchers measure

Primary outcomes

  1. Increase in MAP at 15 minutes after infusion of the fluid bolus.

    Time frame: 15 minutes

Secondary outcomes

  1. Time until return of MAP to baseline value after infusion.

    Time frame: 2 hours

07

Study locations

1 site
  • Odense University Hospital
    Odense, 5000, Denmark
08

References and documents

Publications

  • Biesenbach P, Molmer MB, Svendsen EL, Teichmann D, Wuthe S, Momeni M, Kristensen MR, Laugesen LE, Berg-Beckhoff G, Bentsen LP, Bergmann ML, Brabrand M. Ringer's lactate administered at 15 degrees C leads to a greater and more prolonged increase in blood pressure compared to 37 degrees C. Sci Rep. 2024 Oct 26;14(1):25592. doi: 10.1038/s41598-024-76858-0. PubMed 39462030 ↗

Individual participant data

Plan to share: No

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Sep 5, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05610254
Lead sponsor
Esbjerg Hospital - University Hospital of Southern Denmark
Collaborators
Odense University Hospital, University of Southern Denmark, Simon Fougner Hartmanns Family Foundation, Department of Clinical Biochemistry, Vejle Hospital
Responsible party
Sponsor
First posted
Nov 9, 2022
Start date
Oct 24, 2022
Primary completion
Dec 3, 2022
Completion
Dec 3, 2022
Last update
Sep 5, 2024

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 Sep 2024. You cannot join it, but the record below documents what was studied.

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Studies of the drug tested here: Ringer's Lactate

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