- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04286490
Prone Position and Renal Resistive Index (PRO-KIDNEY)
May 11, 2020 updated by: University Hospital, Grenoble
Effect of Prone Position on Renal Resistive Index Among Patients With Acute Respiratory Distress Syndrome. The Role of Intra-abdominal Pressure
Patients suffering from Acute Respiratory Distress Syndrome (ARDS) with a prone position (PP) indication will benefit from measurements of radiological and biological kidney injury markers, intra-abdominal pressure (IAP) and ventilatory mechanics in supine position (baseline IAP), after 2 hours in PP at the current IAP value, thirty minutes after patients' abdomen suspension in order to resume baseline IAP and after patients' are turned back to supine position.
Study Overview
Status
Unknown
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Anticipated)
29
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Anne-Sophie Truche, M.D
- Phone Number: + 33 476768779
- Email: ASTruche@chu-grenoble.fr
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (ADULT, OLDER_ADULT)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- ARDS patients according to Berlin criteria, intubated, mechanically ventilated since at least 24 hours,
- with PaO₂/FiO₂ < 150 mmHg,
- neuromuscular blockade
- with an indication of PP done by the physician in charge
- possibility to differ PP for one hour
- patients should be hemodynamically stable since at least 4 hours
Exclusion Criteria:
- Pregnant or breast-feeding women
- legal protection, no social security affiliation
- PP contra-indication
- nasogastric tube contra-indication
- extra corporeal membrane oxygenation
- acute kidney injury at inclusion according to K-DIO criteria, chronic kidney disease defined as an estimated glomerualr filtration rate less than 30 ml/min/1.73m², kidney transplantation, renal artery stenosis, solitary kidney, albuminuria > 1.25 mg/ml
- cardiac arrhythmia
- obesity
- advanced cirrhosis
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: OTHER
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Prone position
|
Abdomen suspension in prone position
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
change in renal resistive index (RRI)
Time Frame: At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
RRI measurement will be performed on a right kidney arcuate/interlobar artery, with a high frequency Doppler probe.
Three to five consecutive measures will be obtained then RRI computed according to the formula: (peak systolic velocity - end diastolic velocity)/peak systolic velocity).
|
At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
change in renal medullary oxygen tension
Time Frame: At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
urinary oxygen tension (uPO₂) will be measured via a fiber-optic luminescence optode inserted through the bladder catheter lumen
|
At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
change in cell-cycle arrest biomarkers
Time Frame: At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
Tissue inhibitor of metalloproteinases 2 and Insulin-like growth factor-binding protein 7 concentrations product ([TIMP2] · [IGFBP7]) will be measured with a sandwich immunoassay technique
|
At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
ventilatory mechanics: transpulmonary pressure
Time Frame: At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
transpulmonary pressure will be measured at the end of inspiration and expiration and continuously recorded on a datalogger
|
At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
ventilatory mechanics: driving pressure
Time Frame: At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
driving pressure will be measured at the end of inspiration and expiration and continuously recorded on a datalogger
|
At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
ventilatory mechanics: elastance
Time Frame: At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
elastance will be measured at the end of inspiration and expiration and continuously recorded on a datalogger
|
At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
haematosis
Time Frame: At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
arterial oxygen tension (PaO2) and arterial dioxide carbon tension (PaC02)
|
At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver
|
Intra abdominal pressure
Time Frame: At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver and two hours after patients are back in supine position
|
Intra abdominal pressure will be measured thanks to a dedicated nasogastric tube with two balloons (gastric pressure)
|
At inclusion (in supine position), two hours after prone positioning, 30-minutes after the abdomen suspension maneuver and two hours after patients are back in supine position
|
Persisting effect of IAP increase in prone position when patients are back in supine position on renal resistive index
Time Frame: Two hours after patients are back in supine position
|
RRI measurement will be performed on a right kidney arcuate/interlobar artery, with a high frequency Doppler probe.
Three to five consecutive measures will be obtained then RRI computed according to the formula: (peak systolic velocity - end diastolic velocity)/peak systolic velocity).
|
Two hours after patients are back in supine position
|
Persisting effect of IAP increase in prone position when patients are back in supine position on urinary PO2
Time Frame: Two hours after patients are back in supine position
|
urinary oxygen tension (uPO₂) will be measured via a fiber-optic luminescence optode inserted through the bladder catheter lumen
|
Two hours after patients are back in supine position
|
Persisting effect of IAP increase in prone position when patients are back in supine position on cell-cycle arrest biomarkers
Time Frame: Two hours after patients are back in supine position
|
Tissue inhibitor of metalloproteinases 2 and Insulin-like growth factor-binding protein 7 concentrations product ([TIMP2] · [IGFBP7]) will be measured with a sandwich immunoassay technique
|
Two hours after patients are back in supine position
|
Persisting effect of IAP increase in prone position when patients are back in supine position on ventilatory mechanics: transpulmonary pressure
Time Frame: Two hours after patients are back in supine position
|
transpulmonary pressure will be measured at the end of inspiration and expiration and continuously recorded on a datalogger
|
Two hours after patients are back in supine position
|
Persisting effect of IAP increase in prone position when patients are back in supine position on ventilatory mechanics: driving pressure
Time Frame: Two hours after patients are back in supine position
|
driving pressure will be measured at the end of inspiration and expiration and continuously recorded on a datalogger
|
Two hours after patients are back in supine position
|
Persisting effect of IAP increase in prone position when patients are back in supine position on ventilatory mechanics: elastance
Time Frame: Two hours after patients are back in supine position
|
elastance will be measured at the end of inspiration and expiration and continuously recorded on a datalogger
|
Two hours after patients are back in supine position
|
Persisting effect of IAP increase in prone position when patients are back in supine position on haematosis
Time Frame: Two hours after patients are back in supine position
|
arterial oxygen tension (PaO2) and arterial dioxide carbon tension (PaC02)
|
Two hours after patients are back in supine position
|
Acute kidney injury
Time Frame: within 48 hours following prone position
|
According to creatinine or diuresis criteria of Kidney Disease: Improving Global Outcomes (K-DIGO) classification
|
within 48 hours following prone position
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (ANTICIPATED)
June 1, 2020
Primary Completion (ANTICIPATED)
June 1, 2022
Study Completion (ANTICIPATED)
June 1, 2022
Study Registration Dates
First Submitted
February 18, 2020
First Submitted That Met QC Criteria
February 26, 2020
First Posted (ACTUAL)
February 27, 2020
Study Record Updates
Last Update Posted (ACTUAL)
May 12, 2020
Last Update Submitted That Met QC Criteria
May 11, 2020
Last Verified
May 1, 2020
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Cardiovascular Diseases
- Vascular Diseases
- Respiratory Tract Diseases
- Respiration Disorders
- Lung Diseases
- Kidney Diseases
- Urologic Diseases
- Disease
- Infant, Newborn, Diseases
- Renal Insufficiency
- Musculoskeletal Diseases
- Muscular Diseases
- Lung Injury
- Infant, Premature, Diseases
- Compartment Syndromes
- Syndrome
- Acute Kidney Injury
- Respiratory Distress Syndrome
- Respiratory Distress Syndrome, Newborn
- Acute Lung Injury
- Intra-Abdominal Hypertension
Other Study ID Numbers
- 38RC19.265
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
UNDECIDED
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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