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Does N-Acetylcysteine (Parvolex®) prophylaxis reduce the incidence of renal impairment after onpump Coronary Artery Bypass Graft surgery? A prospective randomised controlled trial
ISRCTN ISRCTN71629284
ClinicalTrials.gov identifier
Public title Does N-Acetylcysteine (Parvolex®) prophylaxis reduce the incidence of renal impairment after onpump Coronary Artery Bypass Graft surgery? A prospective randomised controlled trial
Scientific title
Acronym N-Acetylcysteine prophylaxis for onpump CABG
Serial number at source 07/Q1403/17
Study hypothesis Prohylatic use of N-Acetylcysteine will decrease the incidence of renal failure in patients undergoing onpump Coronary Artery Bypass Graft (CABG) surgery.
Lay summary Not provided at time of registration
Ethics approval Approved by South Manchester Research Ethics Committee (UK) on the 18th June 2007 (REC ref 07/Q1403/17).
Study design Prospective randomised double blind controlled trial
Countries of recruitment United Kingdom
Disease/condition/study domain Renal impairment
Participants - inclusion criteria 1. Patients undergoing elective coronoray artery bypass surgery (onpump) at Wythenshawe Hospital
2. Aged 21 - 80 years
Participants - exclusion criteria 1. Urgent or emergency cases
2. History of hypersensitivity to N-Acetylcysteine
3. Patients already taking N-Acetylcysteine
4. Patients with renal failure
Anticipated start date 01/08/2007
Anticipated end date 31/07/2008
Status of trial Stopped
Patient information material Not available in web format, please use the contact details below to request a patient information sheet
Target number of participants 224 (112 in each group) (Trial stopped in September 2010)
Interventions For both groups, there will be no change in routine anaesthetic/surgical or post operative management.

The intervention group will be administered 2 g N-Acetylcysteine on the night before surgery (oral), 2 g at induction of anaesthesia (intravenous [IV]) and 2 g IV on the morning of first post operative day. The control group will receive placebos at the same time as the intervention group.

Patients will be followed up until discharge.

As of 07/02/2012, the trial was stopped in September 2010 due to problems with recruitment and the delay resulted in the trial being out of date.
Primary outcome measure(s) Creatinine clearance and serum creatinine levels on second and fifth post operative day and on discharge.
Secondary outcome measure(s) Length of Intensive Care Unit (ICU) stay.
Sources of funding University Hospital of South Manchester NHS Foundation Trust (UK)
Trial website
Publications
Contact name Dr  Donna  Greenhalgh
  Address Consultant Anaesthetist
Wythenshawe Hospital
South Moore Road
Wythenshawe
  City/town Manchester
  Zip/Postcode M23 9LT
  Country United Kingdom
  Tel +44 (0)161 291 2525
  Email donna.greenhalgh@btopenworld.com
Sponsor University Hospital of South Manchester NHS Foundation Trust (UK)
  Address Department of Research and Development
Wythenshawe Hospital
South Moore Road
Wythenshawe
  City/town Manchester
  Zip/Postcode M23 9LT
  Country United Kingdom
  Tel +44 (0)161 291 5775
  Email andrew.maines@manchester.ac.uk
  Sponsor website: http://www.smuht.nwest.nhs.uk/
Date applied 08/07/2007
Last edited 07/02/2012
Date ISRCTN assigned 21/08/2007
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