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N-Acetyl Cysteine (NAC)

En Español (Spanish Version)

Principal Proposed Uses

Angina Pectoris (in Combination With Conventional Treatment) ; Chronic Bronchitis; Preventing Influenza

Other Proposed Uses

Chemical Dependency (Cocaine); Chemotherapy Support ; Chronic Blepharitis; Colon Cancer Prevention ; Female Infertility Caused by Polycystic Ovary Syndrome; HIV Support; Liver Failure; Pathological Gambling (Gambling Addiction); Protection Against Kidney Damage Caused by Contrast Agents; Pulmonary Fibrosis; Schizophrenia; Sjogren’s Syndrome

N-acetyl cysteine (NAC) is a specially modified form of the dietary amino acid cysteine. When taken orally, NAC is thought to help the body make the important antioxidant enzyme glutathione. It has shown promise for a number of conditions, especially chronic bronchitis.

Sources

There is no daily requirement for NAC, and it is not found in food.

Therapeutic Dosages

Optimal levels of NAC have not been determined. The amount used in studies has varied from 250 to 1,500 mg daily.

It has been suggested that NAC may increase excretion of trace minerals; some evidence, however, suggests that this effect is too minimal to make a real difference.47 Prudence suggests that individuals taking NAC for an extended period of time should also consider taking a standard multivitamin/multimineral supplement.

Therapeutic Uses

Significant but not entirely consistent evidence suggests that regular use of NAC is helpful for individuals with chronic bronchitis (a condition commonly associated with smoking and emphysema) in reducing frequency of acute flare-ups of the condition.1-9,64

Regular use of NAC may help prevent influenza, possibly by stimulating immunity.59

One substantial study found evidence that NAC may augment the effectiveness of clomiphene, a drug used for female infertility, in women with polycystic ovary syndrome.60 Another study found NAC far less effective for this purpose than the drug metformin; however, it still could have provided some benefit.

Mixed evidence suggests that NAC may also enhance the effectiveness of the drug nitroglycerin,10-15 used for the treatment of angina. However, severe headaches can develop as a side effect.

Note: Do not attempt to self-treat angina, acute respiratory distress syndrome, or acetaminophen poisoning! Medical supervision is absolutely essential because of the very real risk of death in these conditions.

NAC may be helpful in a life-threatening condition called acute respiratory distress syndrome.16 Very high dosages of NAC are used in hospitals as a conventional treatment for acetaminophen poisoning.

According to some, but not all studies, NAC may be helpful for preventing complications that occur during cardiac surgery.69-76,81

Some research has also suggested that NAC may be helpful for Sjogren’s syndrome49 (a disease that causes dry eyes, among other symptoms), chronic blepharitis50 (ongoing infections of the eyelid), severe liver disease, and reducing the side effects of the cancer chemotherapy drug ifosfamide.53-57 Other evidence hints that NAC might help offset the carcinogenic effects of smoking and reduce colon cancer risk.18,52 Weak evidence hints that NAC might reduce some side effects (specifically, cardiac toxicity and hair loss) caused by the cancer chemotherapy drug doxorubicin.67-68

NAC has been proposed as supportive therapy for HIV. Despite some intriguing results, overall the evidence is inconsistent at best.23,24,41-44

Several studies have suggested that NAC may be beneficial as an aid to treating various mental health disorders including schizophrenia,82 cocaine-dependence,80 and even pathological gambling.78

In order to get more information from certain types of x-rays, radiologists often administer substances called contrast agents. Unfortunately, contrast agents can damage the kidney. It has been suggested that NAC can help protect the kidney from such damage;17,48 however, the most recent and best-designed study failed to find benefit.79

One double-blind trial failed to find NAC helpful for head and neck or lung cancer.25 Studies have also failed to find NAC helpful for treating viral hepatitis,61preeclampsia,65 or enhancing sports performance.58

Pulmonary fibrosis is a chronic condition that involves scarring and stiffening of the lungs. In a randomized, placebo-controlled trial, NAC 600 mg, 3 times daily added to standard therapy (prednisone and azathioprine) helped to preserve lung function more than standard therapy alone.83

What Is the Scientific Evidence for N-Acetyl Cysteine?

Individuals who have smoked cigarettes for many years eventually develop deterioration in their lungs leading to various symptoms, including chronic production of thick mucus. This so-called chronic bronchitis (closely related to chronic obstructive pulmonary disease) tends to flare up periodically into severe acute attacks possibly requiring hospitalization.

Regular use of NAC may diminish the number of these attacks. A review and meta-analysis selected 8 double-blind, placebo-controlled trials of NAC for chronic bronchitis.26-34 The results of these studies, involving a total of about 1,400 individuals, suggest that NAC taken daily at a dose of 400 mg to 1,200 mg can reduce the number of acute attacks of severe bronchitis. However, the largest and best of these studies, a 3-year, double-blind, placebo-controlled trial of 523 people, failed to find that use of NAC at a dose of 600 mg daily reduced exacerbations or delayed the typical progressive worsening of lung function.66

It is not clear how NAC works (if it does); the old concept that it acts by thinning mucus may not be correct.

In a double-blind, placebo-controlled study of 262 seniors, regular use of NAC at dose of 600 mg twice daily helped prevent the development of influenza-like illnesses.62 Over the 6-month study period, only 25% of participants taking NAC developed flu-like symptoms, as compared to 79% in the placebo group, a statistically significant difference.

Interestingly, blood tests suggested that NAC did not prevent influenza infection—about as many people showed antibodies indicating influenza infection in the NAC group as in the placebo group. Rather, the supplement seemed to reduce the rate at which influenza infection became severe enough to cause noticeable symptoms. Tests of immune function hinted that NAC functioned by increasing the strength of the immune response.

Angina pectoris is a squeezing feeling in the chest caused by inadequate blood supply to the heart. It can be a precursor of heart attacks. People with angina often use the drug nitroglycerin to relieve symptoms. One 4-month, double-blind, placebo-controlled study of 200 people with heart disease found that the combination of nitroglycerin and NAC significantly reduced the incidence of heart attacks and other severe heart problems.35 NAC alone and nitroglycerin alone were not as effective. The only problem was that the combination of nitroglycerin and NAC caused severe headaches in many participants. This effect has been seen in other studies as well.36

NAC may also help in cases of nitroglycerin tolerance, a condition in which the drug becomes less effective over time. In a small double-blind study of 32 people with angina, tolerance developed in 15 of 16 individuals who took nitroglycerin only, but in just 5 of 16 individuals who took nitroglycerin plus 2 g of NAC daily.37 However, other studies have found no benefit.38

In a double-blind, placebo-controlled study of 150 women suffering from infertility who had not responded to treatment with the fertility drug clomiphene, use of NAC at 1,200 mg daily significantly augmented the effectiveness of clomiphene.63 Treatment was begun on day 3 of the menstrual cycle and continued for 5 days. About 20% of women in the NAC plus clomiphene group became pregnant, as compared to 0% in the placebo plus clomiphene group.

A double-blind, placebo-controlled clinical trial compared the effectiveness of NAC, Procysteine (a synthetic cysteine building-block drug), and placebo in 46 people with acute respiratory distress syndrome.39 This catastrophic lung condition can occur when an unconscious person inhales a small amount of his or her own vomit. Both NAC and Procysteine reduced the severity of the condition in some people (as compared with placebo). However, overall it did not reduce the number of deaths.

A preliminary double-blind, placebo-controlled study of NAC enrolled 62 individuals, each of whom had had a polyp removed from the colon.40 The abnormal growth of polyps is closely associated with the development of colon cancer. In this study, the potential anticancer benefits of NAC treatment were evaluated by taking a biopsy of the rectum. Individuals taking NAC at 800 mg daily for 12 weeks showed more normal cells in the biopsied tissue as compared to those in the placebo group.

Safety Issues

NAC appears to be a very safe supplement when taken alone, although one study in rats suggests that 60 to 100 times the normal dose can cause liver injury.45

As mentioned above, the combination of nitroglycerin and NAC can cause severe headaches. Safety in young children, women who are pregnant or nursing, and individuals with severe liver or kidney disease has not been established.

Interactions You Should Know About

If you are taking nitroglycerin, NAC may cause severe headaches.

References

Grandjean EM, Berthet P, Ruffmann R, et al. Efficacy of oral long-term N-acetylcysteine in chronic bronchopulmonary disease: a meta-analysis of published double-blind, placebo-controlled clinical trials. Clin Ther. 2000;22:209-221.

Hansen NCG, Skriver A, Brorsen-Riis L, et al. Orally administered N-acetylcysteine may improve general well-being in patients with mild chronic bronchitis. Respir Med. 1994;88:531-535.

Grassi C, Casali L, Rossi A, et al. A comparison between different methods for detecting bronchial hyperreactivity. Bronchial hyperreactivity: methods of study. Eur J Respir Dis Suppl. 1980;106:19-27.

Grassi C, Morandini GC. A controlled trial of intermittent oral acetylcysteine in the long-term treatment of chronic bronchitis. Eur J Clin Pharmacol. 1976;9:393-396.

Riise GC, Larsson S, Larsson P, et al. The intrabronchial microbial flora in chronic bronchitis patients: a target for N-acetylcysteine therapy? Eur Respir J. 1994;7:94-101.

Rasmussen JB, Glennow C. Reduction in days of illness after long-term treatment with N-acetylcysteine controlled-release tablets in patients with chronic bronchitis. Eur Respir J. 1988;1:351-355.

Parr GD, Huitson A. Oral fabrol (oral N-acetylcysteine) in chronic bronchitis. Br J Dis Chest. 1987;81:341-348.

Boman G, Bcker U, Larsson S, et al. Oral acetylcysteine reduces exacerbation rate in chronic bronchitis: report of a trial organized by the Swedish Society for Pulmonary Diseases. Eur J Respir Dis. 1983;64:405-415.

Verstraeten JM. Mucolytic treatment in chronic obstructive pulmonary disease. Double-blind comparaive clinical trial with N-acetylcysteine, bromhexine and placebo. Acta Tuberc Pneumol Belg. 1979;70:71-80.

Pizzulli L, Hagendorff A, Zirbes M, et al. N-acetylcysteine attenuates nitroglycerin tolerance in patients with angina pectoris and normal left ventricular function. Am J Cardiol. 1997;79:28-33.

Ardissino D, Merlini PA, Savonitto S, et al. Effect of transdermal nitroglycerin or N-acetylcysteine, or both, in the long-term treatment of unstable angina pectoris. J Am Coll Cardiol. 1997;29:941-947.

Iversen HK. N-acetylcysteine enhances nitroglycerin-induced headache and cranial arterial responses. Clin Pharmacol Ther. 1992;52:125-133.

Hogan JC, Lewis MJ, Henderson AH. Chronic administration of N-acetylcysteine fails to prevent nitrate tolerance in patients with stable angina pectoris. Br J Clin Pharmacol. 1990;30:573-577.

May DC, Popma JJ, Black WH, et al. In vivo induction and reversal of nitroglycerin tolerance in human coronary arteries. N Engl J Med. 1987;317:805-809.

Ghio S, de Servi S, Perotti R, et al. Different susceptibility to the development of nitroglycerin tolerance in the arterial and venous circulation in humans. Effects of N-acetylcysteine administration. Circulation. 1992;86:798-802.

Bernard GR, Wheeler AP, Arons MM, et al. A trial of antioxidants N-acetylcysteine and procysteine in ARDS. The Antioxidant in ARDS Study Group. Chest. 1997;112:164-172.

Tepel M, van der Giet M, Schwarzfeld C, et al. Prevention of radiographic-contrast-agent-induced reductions in renal function by acetylcysteine. N Engl J Med. 2000;343:180-184.

Estensen RD, Levy M, Klopp SJ, et al. N-acetylcysteine suppression of the proliferative index in the colon of patients with previous adenomatous colonic polyps. Cancer Lett. 1999;147:109-114.

Kinscherf R, Fischbach T, Mihm S, et al.Effect of glutathione depletion and oral N-acetyl-cysteine treatment on CD4+ and CD8+ cells. FASEB J. 1994;8:448-451.

Akerlund B, Jarstrand C, Lindeke B, et al. Effect of N-acetylcystine (NAC) treatment on HIV-1 infection: a double-blind placebo-controlled trial. Eur J Clin Pharmacol. 1996;50:457-461.

Look MP, Rockstroh JK, Rao GS, et al. Sodium selenite and N-acetylcysteine in antiretroviral-naive HIV-1-infected patients: a randomized, controlled pilot study. Eur J Clin Invest. 1998;28:389-397.

Walker RE, Lane HC, Boenning CM, et al. The safety, pharmacokinetics, and antiviral activity of N-acetylcysteine in HIV-infected individuals [abstract]. J Cell Biochem Suppl. 1992;16:89.

Akerlund B, Tynell E, Bratt G, et al. N-acetylcysteine treatment and the risk of toxic reactions to trimethoprim-sulphamethoxazole in primary Pneumocystis carinii prophylaxis in HIV-infected patients. J Infect. 1997;35:143-147.

Walmsley SL, Khorasheh S, Singer J, et al. A randomized trial of N-acetylcysteine for prevention of trimethoprim-sulfamethoxazole hypersensitivity reactions in Pneumocystis carinii pneumonia prophylaxis (CTN 057). Canadian HIV Trials Network 057 Study Group. J Acquir Immune Defic Syndr Hum Retrovirol. 1998;19:498-505.

van Zandwijk N, Dalesio O, Pastorino U, et al. EUROSCAN, a randomized trial of vitamin A and n-acetylcysteine in patients with head and neck cancer or lung cancer. J Natl Cancer Inst. 2000;92:977-986.

Grandjean EM, Berthet P, Ruffmann R, et al. Efficacy of oral long-term N-acetylcysteine in chronic bronchopulmonary disease: a meta-analysis of published double-blind, placebo-controlled clinical trials. Clin Ther. 2000;22:209-221.

Hansen NCG, Skriver A, Brorsen-Riis L, et al. Orally administered N-acetylcysteine may improve general well-being in patients with mild chronic bronchitis. Respir Med. 1994;88:531-535.

Grassi C, Casali L, Rossi A, et al. A comparison between different methods for detecting bronchial hyperreactivity. Bronchial hyperreactivity: methods of study. Eur J Respir Dis Suppl. 1980;106:19-27.

Grassi C, Morandini GC. A controlled trial of intermittent oral acetylcysteine in the long-term treatment of chronic bronchitis. Eur J Clin Pharmacol. 1976;9:393-396.

Riise GC, Larsson S, Larsson P, et al. The intrabronchial microbial flora in chronic bronchitis patients: a target for N-acetylcysteine therapy? Eur Respir J. 1994;7:94-101.

Rasmussen JB, Glennow C. Reduction in days of illness after long-term treatment with N-acetylcysteine controlled-release tablets in patients with chronic bronchitis. Eur Respir J. 1988;1:351-355.

Parr GD, Huitson A. Oral fabrol (oral N-acetylcysteine) in chronic bronchitis. Br J Dis Chest. 1987;81:341-348.

Boman G, Bcker U, Larsson S, et al. Oral acetylcysteine reduces exacerbation rate in chronic bronchitis: report of a trial organized by the Swedish Society for Pulmonary Diseases. Eur J Respir Dis. 1983;64:405-415.

Verstraeten JM. Mucolytic treatment in chronic obstructive pulmonary disease. Double-blind comparaive clinical trial with N-acetylcysteine, bromhexine and placebo. Acta Tuberc Pneumol Belg. 1979;70:71-80.

Ardissino D, Merlini PA, Savonitto S, et al. Effect of transdermal nitroglycerin or N-acetylcysteine, or both, in the long-term treatment of unstable angina pectoris. J Am Coll Cardiol. 1997;29:941-947.

Iversen HK. N-acetylcysteine enhances nitroglycerin-induced headache and cranial arterial responses. Clin Pharmacol Ther. 1992;52:125-133.

Pizzulli L, Hagendorff A, Zirbes M, et al. N-acetylcysteine attenuates nitroglycerin tolerance in patients with angina pectoris and normal left ventricular function. Am J Cardiol. 1997;79:28-33.

Hogan JC, Lewis MJ, Henderson AH. Chronic administration of N-acetylcysteine fails to prevent nitrate tolerance in patients with stable angina pectoris. Br J Clin Pharmacol. 1990;30:573-577.

Bernard GR, Wheeler AP, Arons MM, et al. A trial of antioxidants N-acetylcysteine and procysteine in ARDS. The Antioxidant in ARDS Study Group. Chest. 1997;112:164-172.

Estensen RD, Levy M, Klopp SJ, et al. N-acetylcysteine suppression of the proliferative index in the colon of patients with previous adenomatous colonic polyps. Cancer Lett. 1999;147:109-114.

Kinscherf R, Fischbach T, Mihm S, et al. Effect of glutathione depletion and oral N-acetyl-cysteine treatment on CD4+ and CD8+ cells. FASEB J. 1994;8:448-451.

Akerlund B, Jarstrand C, Lindeke B, Sonnerborg A, Akerblad C, Rasool O. Effect of N-acetylcystine (NAC) treatment on HIV-1 infection: a double-blind placebo-controlled trial. Eur J Clin Pharmacol. 1996;50:457-461.

Look MP, Rockstroh JK, Rao GS, et al. Sodium selenite and N-acetylcysteine in antiretroviral-naive HIV-1-infected patients: a randomized, controlled pilot study. Eur J Clin Invest. 1998;28:389-397.

Walker RE, Lane HC, Boenning CM, et al. The safety, pharmacokinetics, and antiviral activity of N-acetylcysteine in HIV-infected individuals [abstract]. J Cell Biochem Suppl. 1992;16:89.

Badawy AH, Abdel Aal SF, Samour SA. Liver injury associated with N-acetylcysteine administration. J Egypt Soc Parasitol. 1989;19:563-571.

Adair JC, Knoefel JE, Morgan N. Controlled trial of N-acetylcysteine for patients with probable Alzheimer's disease. Neurology. 2001;57:1515-1517.

Hjortso E, Fomsgaard JS, Fogh-Andersen N. Does N-acetylcysteine increase the excretion of trace metals (calcium, magnesium, iron, zinc and copper) when given orally? Eur J Clin Pharmacol. 1990;39:29-31.

Tepel M, Zidek W. Acetylcysteine and contrast media nephropathy. Curr Opin Nephrol Hypertens. 2002;11:503-506.

Walters MT, Rubin CE, Keightley SJ, et al. A double-blind, cross-over, study of oral N-acetylcysteine in Sjogren's syndrome. Scand J Rheumatol Suppl. 1986;61:253-258.

Yalcin E, Altin F, Cinhuseyinoglue F, et al. N-acetylcysteine in chronic blepharitis. Cornea. 2002;21:164-168.

Ben-Ari Z, Vaknin H, Tur-Kaspa R. N-acetylcysteine in acute hepatic failure (non-paracetamol-induced). Hepatogastroenterology. 2000;47:786-789.

Van Schooten FJ, Besarati Nia A, De Flora S, et al. Effects of Oral Administration of N-Acetyl-L-cysteine: A Multi-Biomarker Study in Smokers. Cancer Epidemiol Biomarkers Prev. 2002;11:167-175.

Holoya PY, Duelge J, Hansen RM,. Prophylaxis of ifosfamide toxicity with oral acetylcysteine. Sem Oncol. 1983;10(suppl 1):66-71.

Slavik M, Saiers JH. Phase I clinical study of acetylcysteine’s preventing ifosfamide-induced hematuria. Sem Oncol. 1983;10(suppl 1):62-65.

Loehrer PJ, Williams SD, Einhorn LH. N-Acetylcysteine and ifosfamide in the treatment of unresectable pancreatic adenocarcinoma and refractory testicular cancer. Sem Oncol. 1983;10(suppl 1):72-75.

Morgan LR, Donley PJ, Harrison EF. The control of ifosfamide induced hematuria with N-acetylcysteine. Proc Am Assoc Cancer Res. 1981;22:190.

De Blasio F, et al. N-acetyl cysteine (NAC) in preventing nausea and vomiting induced by chemotherapy in patients suffering from inoperable non small cell lung cancer (NSCLC). Chest. 1996;110(suppl 4):103.

Medved I, Brown MJ, Bjorksten AR, et al. N-acetylcysteine infusion alters blood redox status but not time to fatigue during intense exercise in humans. J Appl Physiol. 2003;94:1572-1582.

De Flora S, Grassi C, Carati L. Attenuation of influenza-like symptomatology and improvement of cell-mediated immunity with long-term N-acetylcysteine treatment. Eur Respir J. 1997;10:1535-1541.

Rizk AY, Bedaiwy MA, Al-Inany HG,et al. N-acetyl-cysteine is a novel adjuvant to clomiphene citrate in clomiphene citrate-resistant patients with polycystic ovary syndrome. Fertil Steril. 2005;83:367-370.

Gunduz H, Karabay O, Tamer A, et al. N-acetyl cysteine therapy in acute viral hepatitis. World J Gastroenterol. 2003;9:2698-700.

De Flora S, Grassi C, Carati L. Attenuation of influenza-like symptomatology and improvement of cell-mediated immunity with long-term N-acetylcysteine treatment. Eur Respir J. 1997;10:1535-1541.

Rizk AY, Bedaiwy MA, Al-Inany HG, et al. N-acetyl-cysteine is a novel adjuvant to clomiphene citrate in clomiphene citrate-resistant patients with polycystic ovary syndrome. Fertil Steril. 2005;83:367-370.

Decramer M, Rutten-van Molken M, Dekhuijzen PN, et al. Effects of N-acetylcysteine on outcomes in chronic obstructive pulmonary disease (Bronchitis Randomized on NAC Cost-Utility Study, BRONCUS): a randomised placebo-controlled trial. Lancet. 2005;365:1552-1560.

Roes EM, Raijmakers MT, Boo TM, et al. Oral N-acetylcysteine administration does not stabilise the process of established severe preeclampsia. Eur J Obstet Gynecol Reprod Biol. 2005 Oct 19. [Epub ahead of print]

Decramer M, Rutten-van Molken M, Dekhuijzen PN, et al. Effects of N-acetylcysteine on outcomes in chronic obstructive pulmonary disease (Bronchitis Randomized on NAC Cost-Utility Study, BRONCUS): a randomised placebo-controlled trial. Lancet. 2005;365:1552-1560.

D'Agostini F, Bagnasco M, Giunciuglio D, et al. Inhibition by oral N-acetylcysteine of doxorubicin-induced clastogenicity and alopecia, and prevention of primary tumors and lung micrometastases in mice. Int J Oncol. 1998;13:217-224.

Dorr RT. Cytoprotective agents for anthracyclines. Semin Oncol. 1996;23:23-34.

El-Hamamsy I, Stevens LM, Carrier M, et al. Effect of intravenous N-acetylcysteine on outcomes after coronary artery bypass surgery: A randomized, double-blind, placebo-controlled clinical trial. J Thorac Cardiovasc Surg. 2007;133:7-12.

Koramaz I, Pulathan Z, Usta S, et al. Cardioprotective effect of cold-blood cardioplegia enriched with N-acetylcysteine during coronary artery bypass grafting. Ann Thorac Surg. 2006;81:613-618.

Fischer UM, Tossios P, Mehlhorn U. Renal protection by radical scavenging in cardiac surgery patients. Curr Med Res Opin. 2005;21:1161-1164.

Fischer UM, Tossios P, Huebner A, et al. Myocardial apoptosis prevention by radical scavenging in patients undergoing cardiac surgery. J Thorac Cardiovasc Surg. 2004;128:103-108.

Cakir O, Oruc A, Kaya S, et al. N-acetylcysteine reduces lung reperfusion injury after deep hypothermia and total circulatory arrest. J Card Surg. 2004;19:221-225.

Eren N, Cakir O, Oruc A, et al. Effects of N-acetylcysteine on pulmonary function in patients undergoing coronary artery bypass surgery with cardiopulmonary bypass. Perfusion. 2003;18:345-350.

Tossios P, Bloch W, Huebner A, et al. N-acetylcysteine prevents reactive oxygen species-mediated myocardial stress in patients undergoing cardiac surgery: results of a randomized, double-blind, placebo-controlled clinical trial. J Thorac Cardiovasc Surg. 2003;126:1513-1520.

Dhalla NS, Elmoselhi AB, Hata, T, et al. Status of myocardial antioxidants in ischemia-reperfusion injury. Cardiovasc Res. 2000;47:446-456.

Elnashar A, Fahmy M, Mansour A, et al. N-acetyl cysteine vs. metformin in treatment of clomiphene citrate-resistant polycystic ovary syndrome: a prospective randomized controlled study. Fertil Steril. 2007 Feb 28. [Epub ahead of print]

Grant JE, Kim SW, Odlaug BL. N-acetyl cysteine, a glutamate-modulating agent, in the treatment of pathological gambling: a pilot study. Biol Psychiatry. 2007 Apr 17. [Epub ahead of print]

Seyon RA, Jensen LA, Ferguson IA, et al. Efficacy of N-acetylcysteine and hydration versus placebo and hydration in decreasing contrast-induced renal dysfunction in patients undergoing coronary angiography with or without concomitant percutaneous coronary intervention. Heart Lung. 2007;36:195-204.

Larowe SD, Myrick H, Hedden S, et al. Is cocaine desire reduced by N-acetylcysteine? Am J Psychiatry. 2007;164:1115-1117.

Ozaydin M, Peker O, Erdogan D, et al. N-acetylcysteine for the prevention of postoperative atrial fibrillation: a prospective, randomized, placebo-controlled pilot study. Eur Heart J. 2008 Feb 8.

Berk M, Copolov D, Dean O, et al. N-acetyl cysteine as a glutathione precursor for schizophrenia—A double-blind, randomized, placebo-controlled trial. Biol Psychiatry. 2008 Apr 22.

Demedts M, Behr J, Buhl R, et al. High-dose acetylcysteine in idiopathic pulmonary fibrosis. N Engl J Med. 2005;353(21):2229-2242.

Last reviewed July 2012 by EBSCO CAM Review Board

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.

Copyright © EBSCO Publishing. All rights reserved.

 
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