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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT04269681
Other study ID # IP-HCOR/RENOVATEpaliativo
Secondary ID
Status Terminated
Phase N/A
First received
Last updated
Start date December 1, 2020
Est. completion date August 9, 2021

Study information

Verified date August 2021
Source Hospital do Coracao
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Randomized clinical trial in which the main objective is to compare High Flow Nasal Cannula (HFNC) versus the standard respiratory care in the alleviation of dyspnea perception in patients with do-not-intubate (DNI) order. This is a pragmatic study that will take place in 10 Brazilians ICU facilities which are already participating in the main study RENOVATE NCT03643939.


Description:

Do-not-intubate (DNI) is usually established in cases where endotracheal intubation (ETI) is considered disproportionate to prognosis and/or incompatible with the expression of wishes and values of the patient. Regardless of the profile of this care plan offered to patients with DNI, the control of dyspnea is one of its central objectives. The approach to dyspnea includes pharmacological measures such as opioids and non-pharmacological measures, such as oxygen therapy and Non-Invasive Ventilation, and more recently, the high flow nasal catheter (HFNC). HFNC provides high flow of heated and humidified mixed gas through a nasal cannula. In addition to the ability to generate high flows and supplemental oxygen, HFNC may generate a low level of positive airway pressure, may decrease dead space ventilation and may contribute to better patient comfort, such as the possibility of oral feeding while undergoing treatment, performing oral hygiene and allowing conversation and interaction with family members. This pilot study aims to evaluate the efficacy of HFNC in reducing dyspnea and improving comfort in patients with Acute Respiratory Failure (ARF) and DNI order.


Recruitment information / eligibility

Status Terminated
Enrollment 3
Est. completion date August 9, 2021
Est. primary completion date August 9, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: Participants must be 18 years of age or older, with ARF of any cause on admission or post-extubation with prior DNI directives or DNI order determined in the current hospitalization. Patients must meet the following criteria below: 1. Dyspnea (defined on the Borg scale =4); 2. SpO2 <90% or paO2 <60 mmHg in room air; 3. Absence of delirium; 4. One of the following: A. Signs of respiratory distress and use of accessory muscles; B. Respiratory rate greater than 25 incursions per min . Exclusion Criteria: 1. Refusal of treatment; 2. Agitation or non-cooperation; 3. Presence of delirium at the time of randomization; 4. Anatomical abnormalities that may interfere with the adjustment of the non-invasive positive pressure ventilation mask 5. Glasgow <12; 6. Psychomotor agitation that prevents adequate medical / nursing assistance requiring sedation; 7. Contraindications to NIV: uncontrollable vomiting, hypersecretion of the airways, facial deformities, trauma or extensive facial burn; 8. Presence of pneumothorax or extensive pleural effusion; 9. Expected imminent death, defined as an estimated death of less than 24 hours.

Study Design


Intervention

Device:
High Flow Nasal Cannula
Experimental intervention (HFNC) The HFNC (AIRVO 2 - Fisher & Paykel Healthcare, Auckland, New Zealand) consists of a device that allows FiO2 adjustable from 21 to 100% and that delivers a flow of humidified and heated gas up to 60 l / min and 37 degrees C of temperature. The HFNC will be offered until resolution of the ARF or until decision by the assisting team and the patient and/or their legal guardian, for the suspension of the treatment due to intolerance, and/or worsening of the discomfort and / or dyspnea. The HFNC should be offered to the patient in ARF as follows: Initial parameters: Flow 45 ml / L, FiO2 50%, AIRVO 37oC temperature; Titrate the flow up to 60ml / L or up to the maximum tolerated; Titrate FiO2 to maintain SatO2 between 92% to 98%, starting with 50%; Keep the AIRVO temperature at 37oC, if not possible, acceptable down to 34oC.
Other:
Standard respiratory support
The patient randomized to standard respiratory support will be placed on conventional low flow oxygen therapy according to the center's standard of care aiming at SpO2 90 - 98% and improvement of dyspnea. For cases refractory to oxygen therapy, keeping SpO2 below 90% or if dyspnea does not improve, non-invasive positive pressure ventilation (NIPPV) may be offered at the discretion of the assistant team. NIPPV will be performed with the patient in a supine position at 45 degrees. The mask will be facial (oronasal or full face) with an appropriate size for each patient and adapted in a way to minimize leakage. A hydrocolloid dressing can be placed over the nose in order to avoid ulcerations and increase comfort. The NIPPV will be performed with the help of a ventilator with inspiratory and expiratory circuits or with Bilevel devices with a single circuit and exhalation valve according to the availability of each center.

Locations

Country Name City State
Brazil Hospital Nereu Ramos Florianópolis SC

Sponsors (3)

Lead Sponsor Collaborator
Hospital do Coracao Fisher and Paykel Healthcare, Ministry of Health, Brazil

Country where clinical trial is conducted

Brazil, 

Outcome

Type Measure Description Time frame Safety issue
Primary Dypnea Variation in dyspnea according to the Borg scale in 48 hours. 48 hours
Secondary Comfort Comfort measured in a visual analogue scale from 0-100 48 hours
Secondary Dose of Opioid Cumulative dose of opioid 48 hours
Secondary Delirium Cumulative Delirium rate measured by CAM-ICU 48 hours
Secondary Intensive Care Unit (ICU) stay total days inside the ICU 28 days
Secondary Mortality Mortality in 28 days 28 days
Secondary Usage of respiratory support devices Total time in use of devices in both arms 48 hours
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