Evidence map›Paper›PMID 39064168›Full record

ReviewJournal of clinical medicine2024

Anti-Inflammatory and Anti-Oxidant Properties of N-Acetylcysteine: A Fresh Perspective.

Pierachille Santus, Juan Camilo Signorello, Fiammetta Danzo, Giada Lazzaroni, Marina Saad, Dejan Radovanovic

Abstract readReview
In one paragraph

Review in Journal of clinical medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed, 3 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

40 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Pooled it
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  13. Structural and cellular mechanisms of mucus plugging in the larger airways.Chinese medical journal pulmonary and critical care medicine · 2026
    Review
  14. Redefining the role of the thiol-based agentRSC medicinal chemistry · 2026
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Pierachille SantusDivision of Respiratory Diseases, "L. Sacco" University Hospital, Università degli Studi di Milano, 20122 Milano, Italy.ORCID 0000-0003-3462-8253
Juan Camilo SignorelloDivision of Respiratory Diseases, "L. Sacco" University Hospital, Università degli Studi di Milano, 20122 Milano, Italy.
Fiammetta DanzoDivision of Respiratory Diseases, "L. Sacco" University Hospital, Università degli Studi di Milano, 20122 Milano, Italy.
Giada LazzaroniDivision of Respiratory Diseases, "L. Sacco" University Hospital, Università degli Studi di Milano, 20122 Milano, Italy.
Marina SaadDepartment of Biomedical and Clinical Sciences, Università degli Studi di Milano, 20122 Milano, Italy.
Dejan RadovanovicDivision of Respiratory Diseases, "L. Sacco" University Hospital, Università degli Studi di Milano, 20122 Milano, Italy.ORCID 0000-0002-9013-3418

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

N-acetyl-L-cysteine (NAC) was initially introduced as a treatment for mucus reduction and widely used for chronic respiratory conditions associated with mucus overproduction. However, the mechanism of action for NAC extends beyond its mucolytic activity and is complex and multifaceted. Contrary to other mucoactive drugs, NAC has been found to exhibit antioxidant, anti-infective, and anti-inflammatory activity in pre-clinical and clinical reports. These properties have sparked interest in its potential for treating chronic lung diseases, including chronic obstructive pulmonary disease (COPD), bronchiectasis (BE), cystic fibrosis (CF), and idiopathic pulmonary fibrosis (IPF), which are associated with oxidative stress, increased levels of glutathione and inflammation. NAC's anti-inflammatory activity is noteworthy, and it is not solely secondary to its antioxidant capabilities. In ex vivo models of COPD exacerbation, the anti-inflammatory effects have been observed even at very low doses, especially with prolonged treatment. The mechanism involves the inhibition of the activation of NF-kB and neurokinin A production, resulting in a reduction in interleukin-6 production, a cytokine abundantly present in the sputum and breath condensate of patients with COPD and correlates with the number of exacerbations. The unique combination of mucolytic, antioxidant, anti-infective, and anti-inflammatory properties positions NAC as a safe, cost-effective, and efficacious therapy for a plethora of respiratory conditions.

Indexed as

anti-inflammatoryantioxidantchronic respiratory diseaseCOPDIL-6mucolyticNACN-acetyl-L-cysteineNKA

Identifiers

PMID39064168
PMCPMC11278452

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.