- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02099383
BUN/Cr-based Hydration Therapy to Improve Outcomes for Dehydrated Patients With Acute Ischemic Stroke. (HYDO)
A Phase III Trial of BUN/Cr-based Hydration Therapy to Reduce Stroke-in-evolution and Improve Short-term Functional Outcomes for Dehydrated Patients With Acute Ischemic Stroke
The investigators' preliminary findings suggest that providing patients with acute ischemic stroke hydration therapy on the basis of their presenting BUN/Cr ratio may help reduce the occurrence of stroke-in-evolution(SIE) and therefore improve prognosis.
The trial will be carried out in two parts. Part 1 assesses the rate of stroke-in-evolution 72 hours after the onset of stroke as a measure of the activity of BUN/Cr ratio based hydration therapy. Part 2, The investigators use two outcome measures, including Barthel index, and modified Rankin scale for neurological evaluation to assess whether BUN/Cr ratio based hydration therapy results in sustained clinical benefit at three months.
Study Overview
Detailed Description
The investigators have recently reported a novel finding that the blood urea nitrogen (BUN)/creatinine (Cr) ratio, a marker of hydration status, was an independent predictor of SIE among patients who had suffered acute ischemic stroke. The investigators found that patients who had a BUN/Cr ratio ≥ 15 were 3.4-fold more likely to experience SIE than patients who had a BUN/Cr ratio < 15. The ratio of SIE was 13.9% in all patients, with 20% in patients who had a BUN/Cr ratio ≥ 15 and 8.3% in patients who had a BUN/Cr ratio < 15. Among the patients presenting with acute ischemic stroke, 37% of them had a BUN/Cr ratio ≥ 15.
The investigators' recent pilot study was designed to determine if providing hydration therapy, specifically intravenous saline infusion, to patients with a blood urea nitrogen/creatinine ratio (BUN/Cr) ≥15 reduces the occurrence of SIE after acute ischemic stroke. Patients in the hydration group received a significantly larger (all P < 0.001) median volume of infused saline than patients in the control group. And this allowed 82% of the patients to maintain their BUN/Cr ratio <15 in first 8 hours. The proportion of patients who experienced SIE was significantly lower in the hydration group compared with the control group.
Dehydration, as indicated by an increased BUN/Cr ratio, is known to be relatively common among patients who have experienced stroke. According to the result of our pilot study, a hydration strategy with intravenous 20 cc per kilogram of body weight normal saline in first 8 hours was safe and effective to prevent dehydration related early neurological deterioration.
In this study, the investigators conduct a randomized double-blind control trial to test the hypothesis that whether BUN/Cr ratio based hydration therapy has clinical activity.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Chiayi, Taiwan, 613
- Chang Gung Memorial Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Acute ischemic stroke diagnosed by the clinical presentations and brain imaging is confirmed by a stroke care specialist.
- has a measurable neurologic deficit according to the National Institutes of Health Stroke Scale (NIHSS)
- the time between the onset of neurological symptoms and starting therapy are less than 12 hours
- admission BUN/Cr≧15
Exclusion Criteria:
- no informed consent obtained
- initial NIHSS >15
- prepared for or received fibrinolytic therapy
- prepared for or received surgical intervention with 14 days
- congestive heart failure according to past history or Framingham criteria
- history of liver cirrhosis or severe liver dysfunction (alanine aminotransferase or aspartate aminotransferase > x 3 upper normal limit)
- admission blood Cr >2 mg/dl
- initial systolic blood pressure <90 mmHg
- fever with core temperature >=38°C
- indication of diuretics for fluid overload
- any conditions needed more aggressive hydration or blood transfusion
- cancer under treatment
- life expectancy or any reasons for follow-up < 3 months
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: normal saline, bolus
Patients of study group will receive intravenous normal saline 20cc per kilogram of body weight, one third of which will be given as a bolus followed by delivery of the remaining two third as a constant infusion over a period of 8 hours.
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intravenous normal saline 20cc per kilogram of body weight over a period of 8 hours
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No Intervention: normal saline, control
Patients of control group will receive intravenous normal saline 60 cc per hour.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
rate of stroke-in-evolution
Time Frame: 72 hours
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Stroke-in-evolution is defined as a deterioration from base line in the score on the NIHSS by 4 or more points.
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72 hours
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
rate of favorable outcome
Time Frame: three months
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Scores of >=60 on the Barthel index, <=2 on the modified Rankin scale are considered to indicate a favorable outcome.
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three months
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Leng C Lin, MD, Department of Emergency Medicine, Chang Gung Memorial Hospital
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- CPRPG6D0011
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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