- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01501643
Non Invasive Positive Pressure Ventilation for Prevention of Acute Chest Syndrome in Sickle Cell Disease (VPACS)
Non Invasive Positive Pressure Ventilation for Prevention of Acute Chest Syndrome in Sickle Cell Disease With Vaso-occlusive Crisis and Morphinic Treatment
Acute chest syndrome is a severe respiratory complication of sickle cell disease.
The standard prevention of this dangerous complication is spirometry in wich patient is required to take deep breaths trough a little device several times a day. This treatment is compromised when pain in important or when the patient is asleep and cannot participate.
The investigators hypothesised that non invasive ventilation in wich patient have no effort to take might be a better prevention than spirometry and may improve pain and quality of sleep.
Children with vaso-occlusive crisis necessitating morphinic treatment will be randomly assigned with either spirometry or ventilation and the investigators will monitor for occurrence of acute chest syndrome, pain and quality of sleep.
Study Overview
Status
Intervention / Treatment
Detailed Description
Acute chest syndrome is a severe complication of sickle cell disease. Several factors can contribute to this complication including infections, vaso-occlusive crisis, important pain that may give shortness of breath and morphinic treatments as they may cause hypoventilation.
The standard prevention of this dangerous complication is incentive spirometry in wich patient is required to take deep breaths trough a little device several times a day. This treatment is compromised when pain in important or when the patient is asleep and cannot participate.
In patients who have had surgery who have also pain and morphinic treatments, non invasive ventilation have proven a good option for preventing pulmonary complications.
Besides, our experience in non invasive ventilation for treatment of acute chest syndrome show a good tolerance and efficiency. It also seems to help with pain management.
The investigators hypothesised that non invasive ventilation in wich patient have no effort to take might be a better prevention than incentive spirometry and may improve pain and quality of sleep.
After informed consent, patients aged from 6 to 20 years old with SS or S-Beta sickle cell disease with vaso-occlusive crisis necessitating morphinic treatment hospitalised in intensive care unit in Necker Hospital for Sick Children (Paris) will be randomly assigned with either spirometry or ventilation. It is a monocentric study.
Patients with acute chest syndrome, oxygen needs, pneumonia or other condition requiring ventilation at presentation will not be included.
Spirometry will be realised through volumetric devices, every two hours during the day with 10 maximum inspirations and at night if the patient is awake.
Non invasive ventilation will be applied through a nasal mask with VS III machines from Resmed®, at least one hour every four hour but may be maintained more if the patient chooses to or is asleep with the machine on.
The investigators will monitor for occurrence of acute chest syndrome, pain, morphinic requirements, length of hospital stay, comfort, quality of sleep The treatment will be continued until morphinic treatment is stopped. The investigators intend to include 60 patients in each arm to show a difference of 25% in the occurrence of acute chest syndrome (primary judgement criteria).
Acute chest syndrome will be defined according to the criteria used by Vichinsky (Vichinsky, E. P. et al. Acute chest syndrome in sickle cell disease: clinical presentation and course. Cooperative Study of Sickle Cell Disease. Blood 89, 1787-1792 (1997) The investigators will aslo compare morphinic requirements, length of hospital stay and quality of sleep as secondary judgment criteria.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Paris, France, 75015
- Hôpital Necker - Enfants Malades Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patient with SS or S-Beta sickle cell disease aged more than 6 years old and less then 20 years old
- Hospitalised since less then 24 hours for severe vaso-occlusive crisis (either peripheric localisation or thoracic crisis) with morphinic requirements according to local pain management protocol
- With a signed informed consent from the patient or his legal representative if the patient is under 18 years old
- Benefiting of the French social security system
Exclusion Criteria:
- Patient that has already participated in the study
- Oxygen requirements, pneumonia, acute chest syndrome or other condition necessitating non invasive ventilation on admission
- No understanding of spirometry or ventilation techniques
- Other condition that forbid the use of non invasive ventilation or spirometry as defined by french consensus conference (2006) on non invasive ventilation
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Spirometry
|
Every two hours during the day with 10 maximum inspirations and at night if the patient is awake
|
Experimental: Non invasive positive pressure ventilation
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At least one hour every four hour but may be maintained more if the patient chooses to or is asleep with the machine on.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Occurence of acute chest syndrome
Time Frame: up to 2 months at maximum (duration of hospitalization)
|
up to 2 months at maximum (duration of hospitalization)
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Pain
Time Frame: up to 2 months at maximum (duration of hospitalization)
|
up to 2 months at maximum (duration of hospitalization)
|
Morphinic requirements
Time Frame: up to 2 months at maximum (duration of hospitalization)
|
up to 2 months at maximum (duration of hospitalization)
|
Length of hospital stay
Time Frame: up to 2 months at maximum (duration of hospitalization)
|
up to 2 months at maximum (duration of hospitalization)
|
Comfort
Time Frame: up to 2 months at maximum (duration of hospitalization)
|
up to 2 months at maximum (duration of hospitalization)
|
Quality of sleep
Time Frame: up to 2 months at maximum (duration of hospitalization)
|
up to 2 months at maximum (duration of hospitalization)
|
Collaborators and Investigators
Investigators
- Principal Investigator: Claire Heilbronner, MD, PhD, Necker - Enfants Malades Hospital
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 (Estimate)
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
- P091114
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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