Effect of N-acetylcysteine on Prevention of Acute Kidney Injury in High Risk Patients Undergoing Off-pump Coronary Artery Bypass Graft

This study has been completed.
Information provided by (Responsible Party):
Yonsei University
ClinicalTrials.gov Identifier:
First received: July 13, 2011
Last updated: March 4, 2013
Last verified: March 2013
N-acetylcysteine may prevent acute kidney injury in high risk patients undergoing off-pump coronary artery bypass graft.

Condition Intervention Phase
Postoperative Acute Kidney Injury After Off-pump Coronary Artery Bypass Graft
Drug: N-acetylcysteine
Drug: Saline
Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Investigator)
Primary Purpose: Prevention
Official Title: Effect of N-acetylcysteine on Prevention of Acute Kidney Injury in High Risk Patients Undergoing Off-pump Coronary Artery Bypass Graft

Resource links provided by NLM:

Further study details as provided by Yonsei University:

Primary Outcome Measures:
  • Incidence of acute kidney injury [ Time Frame: within 5 days after surgery ] [ Designated as safety issue: No ]

Enrollment: 115
Study Start Date: September 2010
Study Completion Date: April 2012
Primary Completion Date: April 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: NAC group
Drug: N-acetylcysteine
N-acetylcysteine 150 mg/kg bolus over 15 min after induction of anesthesia, followed by an infusion of 150 mg/kg/day for 24 hrs
Placebo Comparator: Placebo group
Drug: Saline
Equal volume of normal saline


Ages Eligible for Study:   20 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients undergoing off-pump coronary artery bypass surgery and meets more than one of the following criteria;

    • preoperative serum creatinine > 1.4 mg/dl
    • Age > 70 years
    • Diabetes mellitus
    • left ventricular ejection fraction < 35 % or congestive heart failure (NYHA III or IV)
    • emergency surgery or re-operation

Exclusion Criteria:

  • preoperative acute renal failure, patients on dialysis, use of N-acetylcystein within 5 days of surgery, history of hypersensitivity to N-acetylcystein
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Please refer to this study by its ClinicalTrials.gov identifier: NCT01394419

Korea, Republic of
Severance Hospital
Seoul, Korea, Republic of, 120-752
Sponsors and Collaborators
Yonsei University
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Yonsei University
ClinicalTrials.gov Identifier: NCT01394419     History of Changes
Other Study ID Numbers: 4-2010-0135 
Study First Received: July 13, 2011
Last Updated: March 4, 2013
Health Authority: South Korea: Korea Food and Drug Administration (KFDA)

Additional relevant MeSH terms:
Acute Kidney Injury
Kidney Diseases
Renal Insufficiency
Urologic Diseases
Anti-Infective Agents
Antiviral Agents
Free Radical Scavengers
Molecular Mechanisms of Pharmacological Action
Pharmacologic Actions
Physiological Effects of Drugs
Protective Agents
Respiratory System Agents
Therapeutic Uses

ClinicalTrials.gov processed this record on May 02, 2016