- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01365793
Randomized Control Trial of Fluid Therapy for Pediatric Diabetic Ketoacidosis
Fluid Therapy and Cerebral Injury in Pediatric Diabetic Ketoacidosis
The investigators will conduct a randomized controlled trial comparing four different intravenous (IV) fluid treatment protocols for pediatric diabetic ketoacidosis (DKA). Two rates of rehydration will be compared; a more rapid rate and a slower rate. Within each of these two basic rehydration protocols, the investigators will vary the type of rehydration fluid used (0.9% saline or 0.45% saline). The investigators will compare the different treatments by conducting assessments of neurological injury, by measuring the frequency of significant cerebral edema, and by measuring long-term neurocognitive function.
These studies will allow us to determine whether variations in IV fluid treatment protocols affect acute neurological outcomes of DKA. Additionally, they will provide important data regarding the impact of DKA and DKA treatment on long-term neurocognitive function in children. In this way, the investigators hope to identify a more ideal fluid management strategy for children with DKA.
Previous studies have suggested that DKA may cause blood flow to the brain to be reduced and that brain injury might result from this reduction in blood flow and/or the effects of re-establishment of normal blood flow during DKA treatment with insulin and iv fluids. The investigators hypothesize that more rapidly re-establishing normal blood flow to the brain during DKA, by giving fluids more rapidly and using fluids with a higher sodium (salt) content, will help to minimize brain injury caused by DKA.
Study Overview
Status
Conditions
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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California
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Sacramento, California, United States, 95817
- University of California, Davis
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Colorado
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Aurora, Colorado, United States, 80045
- Children's Hospital Colorado
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Delaware
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Wilmington, Delaware, United States, 19803
- Alfred I. DuPont Hospital for Children
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District of Columbia
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Washington, District of Columbia, United States, 20010
- Children's National Medical Center
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Illinois
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Chicago, Illinois, United States, 60614
- Ann & Robert Lurie Children's Hospital of Chicago
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Massachusetts
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Boston, Massachusetts, United States, 02115
- Children's Hospital Boston
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Missouri
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Saint Louis, Missouri, United States, 63110
- Washington University & St. Louis Children's Hospital
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New York
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New York, New York, United States, 10032
- Columbia University
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Ohio
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Columbus, Ohio, United States, 43205
- Nationwide Children's Hospital
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19104
- The Children's Hospital of Philadelphia
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Rhode Island
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Providence, Rhode Island, United States, 02903
- Hasbro Children's Hospital/Rhode Island Hospital
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Texas
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Houston, Texas, United States, 77030
- Texas Children's Hospital
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Utah
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Salt Lake City, Utah, United States, 84158
- University of Utah
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- must present or be transferred to a participating emergency department
- age less than 18 years
diagnosis of DKA
- serum glucose or fingerstick glucose concentration >300 mg/dL
- venous pH < 7.25 OR serum bicarbonate concentration < 15 mmol/L.
Exclusion Criteria:
- patients with underlying neurological disorders or neurocognitive deficits which would affect either mental status testing during treatment or subsequent neurocognitive testing after recovery
- patients who present with concomitant alcohol or drug use, head trauma, meningitis or other conditions which might affect neurological function
- patients transferred to one of the participating emergency departments after initiation of DKA treatment other than one 10cc/kg intravenous bolus of 0.9% saline
- patients who are known to be pregnant at time of ED evaluation
- patients who have been enrolled in this study twice previously
- patients for whom the treating physician believed a specific fluid and electrolyte regimen was warranted
- patients for whom informed consent could not be obtained within 1 hour after completion of the initial fluid bolus, or within 2 hours from initiation of fluids, whichever is longer
- Patients who have been receiving IV fluids at a maintenance rate or greater (defined by the 4-2-1 rule) for more than two hours; OR
- Patients for whom it has been more than four hours since DKA therapy (IV fluids, IV bolus, or IV insulin) began; OR
- Patients who have been given hyperosmolar therapy (i.e. mannitol or 3% normal saline) prior to or since arriving at one of the participating PECARN emergency departments; OR
- Patients for whom the treating physician intends to immediately administer hyperosmolar therapy (i.e. mannitol or 3% normal saline); OR
- Patients whose baseline GCS is 11 or less.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Factorial Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Rapid rehydration using 0.45% saline replacement fluid
This arm will involve more rapid intravenous fluid treatment which will include a second 10cc/Kg bolus of 0.9% saline and assume a 10% fluid deficit.
0.45% saline will be used as the replacement fluid for this arm.
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10cc/Kg bolus of 0.9% saline followed by 0.45% saline used as the replacement fluid
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Experimental: Rapid rehydration using 0.9% saline replacement fluid
This arm will involve more rapid intravenous fluid treatment which will include a second 10cc/Kg bolus of 0.9% saline and assume a 10% fluid deficit.
0.9% saline will be used as the replacement fluid.
|
10cc/Kg bolus of 0.9% saline followed by 0.9% saline used as the replacement fluid.
|
Experimental: Slower rehydration using 0.45% saline intravenous fluid
This arm will involve slower rehydration (assumed 5% fluid deficit and no additional fluid bolus) with 0.45% saline used as the replacement fluid.
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0.45% saline fluid
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Experimental: Slower rehydration using 0.9% saline intravenous fluid
This arm will involve slower rehydration (assumed 5% fluid deficit and no additional fuid bolus) with 0.9% saline used as the replacement fluid.
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0.9% saline fluid
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
the Number of Participants With Glasgow Coma Score (GCS) < 14 Within the First 24 Hours of Treatment for Diabetic Ketoacidosis (DKA)
Time Frame: 24 hours
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The primary outcome is the binary indicator that a patient's GCS score drops below 14 (i.e.
abnormal score) within the first 24 hours of treatment of DKA.
There will be two treatment factors: sodium concentration of re-hydration fluids and rate of rehydration.
These effects will be tested separately, using the Mantel-Haenszel chi-square test, stratified by hospital, and by the other main factor.
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24 hours
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Frequency of Clinically Apparent Brain Injury
Time Frame: 24 hours
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Deterioration in neurological status requiring interventions such as hyperosmolar therapy or endotracheal intubation, or resulting in death.
This outcome was determined by an adjudication committee.
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24 hours
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Hourly Improvement in Forward and Backward Digit Span Scores During DKA Treatment (Mean Difference Per Hour)
Time Frame: 24 hours
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The Digit Span subtest is adapted from the Wechsler Intelligence Scale for Children, 4th version (WISC-IV) and it assesses working memory.
It consists of a Digit Span Forward task in which individuals are asked to repeat numbers in the same sequence as they were presented verbally and a Digit Span Backward task in which participants repeat the numbers in the reversed order to which they were heard.
Each task yields a score ranging from 0 to 16.
Higher scores represent better outcomes for this test.
The trajectory of digit span scores during the course of the hospitalization was used to assess improvements in mental status and whether these varied systematically as a function of treatment protocol.
Digit span measurements were collected every four hours during waking hours (7AM to 10PM).
The measure analyzed is the average linear change in scores between enrollment and either 24-hours or DKA resolution, whichever occurred first.
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24 hours
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Mean Scores on Tests of Memory Capacity 3 Months After Recovery From DKA.
Time Frame: 3 months
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Contextual memory was assessed via color and spatial-position tasks.
Color-Task: black-ink items on a white square background were shown on a computer screen with a colored border.
Subjects were asked to remember the item and the item's border color.
Items were shown for 1 second, followed by a 1-second interval in which a fixation point was shown.
Then, subjects were given a self-paced recognition test including studied drawings and new drawings shown in random order with no color border.
Subjects determined if they had seen the drawing before.
For recognized drawings, subjects reported the previously shown border color.
Spatial-Position task: identical to the color task except that the items instead varied in their spatial position on the computer screen.
The item-context association rate is the rate of correct item-color and item-spatial position recalled over the total of previously viewed items correctly recognized.
Score range: 0-1 with higher scores indicating a better outcome.
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3 months
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Intelligence Quotient (IQ) Testing
Time Frame: 3 months
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IQ was assessed with the WASI (6-18 year olds) or WPPSI-III (3-5 year olds) at the 3 month follow-up visit.
The Wechsler Abbreviated Scale of Intelligence (WASI) is a measure of IQ designed for individuals aged 6 to 89.
The WASI includes four subtests; the Block Design and Matrix Reasoning tests measure Performance IQ, and the Vocabulary and Similarities tests measure Verbal IQ.
Full scale IQ was computed from these scores and used for analyses.
Scores typically vary from 75 to 135 with higher scores representing a better outcome.
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3 months
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Nathan Kuppermann, MD, MPH, University of California, Davis
- Principal Investigator: Nicole S Glaser, MD, University of California, Davis
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 230233
- U01HD062417 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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