Effects of N-acetylcysteine on Pulmonary Function in High-risk Patients Undergoing Off-pump Coronary Bypass Surgery

This study has been completed.
Information provided by:
Yonsei University
ClinicalTrials.gov Identifier:
First received: November 25, 2009
Last updated: NA
Last verified: November 2009
History: No changes posted
The purpose of this study is to study the effects of N-acetylcysteine on pulmonary function in high-risk patients undergoing off-pump coronary bypass surgery.

Condition Intervention Phase
Coronary Artery Occlusion
Drug: N-acetylcysteine, saline
Phase 4

Study Type: Interventional
Study Design: Intervention Model: Parallel Assignment
Primary Purpose: Treatment

Resource links provided by NLM:

Further study details as provided by Yonsei University:

Enrollment: 48
Arms Assigned Interventions
Placebo Comparator: N-acetylcysteine , saline Drug: N-acetylcysteine, saline
Inject 100 mg/kg of N-acetylcysteine or the equivalent amount of saline for 15 minutes before the skin incision, then continuously inject 40 mg/kg/day of N-acetylcysteine or the equivalent amount of saline during the next 24 hours.


Ages Eligible for Study:   20 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Adult patients with Euroscore ≥ 5

Exclusion Criteria:

  • Patients in need of emergency surgery,acute renal failure patients, kidney transplanted patients, patients injected with NAC 5days before planned surgery
  Contacts and Locations
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Please refer to this study by its ClinicalTrials.gov identifier: NCT01021163

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

No publications provided

Responsible Party: Young Lan Kwak / Professor, Anesthesiology and Pain Medicine
ClinicalTrials.gov Identifier: NCT01021163     History of Changes
Other Study ID Numbers: 4-2007-0236 
Study First Received: November 25, 2009
Last Updated: November 25, 2009
Health Authority: Korea: Food and Drug Administration

Additional relevant MeSH terms:
Coronary Occlusion
Cardiovascular Diseases
Coronary Disease
Heart Diseases
Myocardial Ischemia
Vascular 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 February 07, 2016