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CTRI Number  CTRI/2018/10/016021 [Registered on: 15/10/2018] Trial Registered Prospectively
Last Modified On: 28/09/2019
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   prospective observational study 
Study Design  Single Arm Study 
Public Title of Study   To study the effects of low values set on a breath delivering machine and time taken to take off the support from machine 
Scientific Title of Study   Pressure Support As A Weaning Mode In Neonates: A Prospective Observational Study 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Aathira Rajan 
Designation  MSc Respiratory Therapy  
Affiliation  KMC , Manipal 
Address  Dept of Respiratory Therapy School of Allied Health Sciences(SOAHS) KMC Manipal
Kasturba Medical College Madhav Nagar Manipal, Karnataka 576104
Udupi
KARNATAKA
576104
India 
Phone  9663908238  
Fax    
Email  aathirarajan1995@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Leslie Lewis 
Designation  Professor of Pediatrics  
Affiliation  Department of Pediatrics  
Address  Kasturba Medical College Madhav Nagar Manipal, Karnataka 576104

Udupi
KARNATAKA
576104
India 
Phone  9663908238  
Fax    
Email  leslielewis1@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Aathira Rajan 
Designation  MSc Respiratory Therapy  
Affiliation  KMC , Manipal 
Address  Dept of Respiratory Therapy School of Allied Health Sciences(SOAHS) KMC Manipal
Kasturba Medical College Madhav Nagar Manipal, Karnataka 576104
Udupi
KARNATAKA
576104
India 
Phone  9663908238  
Fax    
Email  aathirarajan1995@gmail.com  
 
Source of Monetary or Material Support  
not applicable 
 
Primary Sponsor  
Name  Aathira Rajan 
Address  Department of Respiratory Therapy,SOAHS,MAHE,Manipal 
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Aathira Rajan  Kasturba hospital  Madhav Nagar, Opp. Tiger Circle ,Manipal. Neonatal ICU Udupi
Dakshina Kannada
KARNATAKA 
9663908238
-
aathirarajan1995@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Katurba college and kasturba hospital institutional ethics comittee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied
Modification(s)  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J22||Unspecified acute lower respiratory infection,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  1.00 Day(s)
Age To  30.00 Day(s)
Gender  Both 
Details  All newborn infants 26-37 weeks requiring mechanical ventilation  
 
ExclusionCriteria 
Details  newborns with congenital heart disease, air leak syndrome , hemodynamic instability and without inform consent 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
duration of time between weaning and early extubation  duration of time between weaning and early extubation 
 
Secondary Outcome  
Outcome  TimePoints 
Requiring reintubation within 48 hours
Mean airway pressure on PSV and SIMV
Air leak
Use of HFOV mode  
Reintubation within 48 hours and other parameters throughout the ICU course 
 
Target Sample Size   Total Sample Size="90"
Sample Size from India="90" 
Final Enrollment numbers achieved (Total)= "0"
Final Enrollment numbers achieved (India)="22" 
Phase of Trial   N/A 
Date of First Enrollment (India)   22/10/2018 
Date of Study Completion (India) 13/02/2019 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) 09/04/2019 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   Not Applicable 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary
Modification(s)  
All newborns from 26- 37 weeks of gestation requiring mechanical ventilation admitted at the NICU. Neonates will be recruited from the time of initiation of ventilation. The initial mode of ventilation was SIMV and once they are ready to wean, the mode was switched over to PSV Hemodynamic and ventilator parameters will be recorded throughout the PSV trial at two-time points of which one was at the initiation of PSV and another at thirty minutes of PSV. On PSV  mode vitals signs( heart rate, respiratory rate, SpO2)and ventilator parameters ( Pressure support, FiO2, PEEP, flow, mean airway pressure,tidal volume, compliance) and calculated parameters( respiratory severity score and C20/C,Sp02 /FiO2 ratio)were recorded during PSV trial  and once the neonates were ready, they were extubated and put on non invasive mode of ventilation. A total of 22 neonates were enrolled for the study during the time period. Set parameters measured parameters and calculated parameters were recorded during thirty minutes PSV trial. We did not observe any changes in hemodynamic, set or measured ventilator parameters throughout the trial and the incidence of reintubation was found to be five of which two reintubated within 72 hours due to severe hypoxemia and three after 72hours due to inadequate secretion clearance and severe bleeding associated with surgery. Mean airway pressure (MAP) among PSV and SIMV mode was also analyzed,  MAP was found to be less in PSV mode with p <0.0001 which could be  explained because of the less pressure used during PSV rather than in SIMV mode ,on which mean airway could have been influenced by inspiratory time, pressure control and set respiratory rate. Since there were no observed hemodynamic instability or any deterioration in ventilation at the end of thirty minutes of PSV, explained by stable ventilation not requiring any increase in ventilatory parameters to achieve the target indicate the safety of PSV mode in neonates as an independent mode. Thus it is concluded that PSV can be used in neonates with proper monitoring. 
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