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Use of high frequency oscillatory ventilation for the prevention of chronic lung disease of prematurity: a multicentre trial
ISRCTN ISRCTN98436149
DOI 10.1186/ISRCTN98436149
ClinicalTrials.gov identifier
EudraCT number
Public title Use of high frequency oscillatory ventilation for the prevention of chronic lung disease of prematurity: a multicentre trial
Scientific title
Acronym N/A
Serial number at source G9700481
Study hypothesis 1.To determine whether early intervention with high frequency oscillatory ventilation (HFOV) reduces the incidence of chronic lung disease (CLD), defined as a persistent oxygen requirement at a corrected gestational age of 36 weeks, in preterm infants born at less than 29 weeks gestation.
2.To ensure that any short term benefits of HFOV are not associated with an increase in subsequent respiratory or neurological morbidity
Lay summary
Ethics approval Not provided at time of registration
Study design Randomised controlled trial
Countries of recruitment United Kingdom
Disease/condition/study domain Chronic lung disease
Participants - inclusion criteria 1. Gestational age less than 29 weeks
2. Require endotracheal ventilation
3. It is considered appropriate that intensive care is continued
4. No identified major congenital malformation
Participants - exclusion criteria Not provided at time of registration
Anticipated start date 26/01/1998
Anticipated end date 25/10/2003
Status of trial Completed
Patient information material
Target number of participants 800
Interventions 1. Early intervention with high frequency oscillatory ventilation (HFOV)
2. Control
Primary outcome measure(s) Composite variable:
1. Death before discharge from neonatal services
2. Chronic lung disease, defined as oxygen dependency 36 weeks post menstrual age (PMA)
Secondary outcome measure(s) 1. Age at death
2. Age at final extubation
3. Failure of treatment
4. Abnormal cerebral ultrasound
5. Postnatal use of systematic steroids
6. Hearing loss greater than 60 dB
7. Pneumothorax
8. Age finally out of oxygen
9. Pulmonary haemorrhage
10. Patent ductus arteriosus
11. Retinopathy of prematurity
12. Age at discharge from hospital

Long-term outcome measures:
1. Respiratory morbidity over the first two years
2. Presence of disability at two years
Sources of funding Medical Research Council (UK)
Trial website
Publications Results on http://www.ncbi.nlm.nih.gov/pubmed/12200550
Contact name Dr  Sandra  Calvert
  Address Department of Child Health
St George's Hospital Medical School
Cranmer Terrace
  City/town London
  Zip/Postcode SW17 0RE
  Country United Kingdom
  Email
Sponsor Medical Research Council (MRC) (UK)
  Address 20 Park Crescent
  City/town London
  Zip/Postcode W1B 1AL
  Country United Kingdom
  Tel +44 (0)20 7636 5422
  Fax +44 (0)20 7436 6179
  Email clinical.trial@headoffice.mrc.ac.uk
  Sponsor website: http://www.mrc.ac.uk
Date applied 25/10/2000
Last edited 31/03/2009
Date ISRCTN assigned 25/10/2000
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