Last update 20 Mar 2025

Acetylcysteine

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
(2R)-2-acetylamino-3-sulfanylpropanoic acid, (R)-2-acetylamino-3-mercaptopropanoic acid, (R)-mercapturic acid
+ [45]
Action
inhibitors
Mechanism
Free radicals inhibitors
Originator Organization
Drug Highest PhaseApproved
First Approval Date
RegulationOrphan Drug (European Union), Priority Review (China)
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Structure/Sequence

Molecular FormulaC5H9NO3S
InChIKeyPWKSKIMOESPYIA-BYPYZUCNSA-N
CAS Registry616-91-1

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Nails, Ingrown
Japan
27 Mar 2023
Acetaminophen overdose
Australia
17 Jul 2006
Liver Injury
United States
23 Jan 2004
Pulmonary Disease, Chronic Obstructive
China
01 Jan 1985
Asthma
Japan
05 Jan 1965
Bronchiectasis
Japan
05 Jan 1965
Bronchitis, Chronic
Japan
05 Jan 1965
Cystic Fibrosis
Japan
05 Jan 1965
Laryngitis
Japan
05 Jan 1965
Pharyngitis
Japan
05 Jan 1965
Pneumonia
Japan
05 Jan 1965
Pulmonary Emphysema
Japan
05 Jan 1965
Pulmonary Tuberculosis
Japan
05 Jan 1965
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
BronchiectasisNDA/BLA
China
21 Feb 2022
BronchitisNDA/BLA
China
21 Feb 2022
Pulmonary EmphysemaNDA/BLA
China
21 Feb 2022
Idiopathic Pulmonary FibrosisDiscovery
United Kingdom
01 Mar 2000
Idiopathic Pulmonary FibrosisDiscovery
Spain
01 Mar 2000
Idiopathic Pulmonary FibrosisDiscovery
France
01 Mar 2000
Idiopathic Pulmonary FibrosisDiscovery
Netherlands
01 Mar 2000
Idiopathic Pulmonary FibrosisDiscovery
Belgium
01 Mar 2000
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
126
(N-acetylcysteine)
zdbkqrquwj(tqqzpfcokr) = ttzlrxuuho zzlgfwvcum (hrpokygtah, awmawnicjt - tfaqdlhals)
-
08 Jan 2025
Placebo oral capsule
(Placebo)
zdbkqrquwj(tqqzpfcokr) = czobbxgqca zzlgfwvcum (hrpokygtah, dnmhzuxpxk - ibxrhjfefm)
Phase 2/3
192
(N-acetylcysteine)
sihywndeov(fseppcggce) = rhzcsklbtc cbqynfppui (lizopulpoh, jmfcubxrqx - gmfkubkcnt)
-
17 Dec 2024
Placebo oral capsule
(Placebo)
sihywndeov(fseppcggce) = prcyeuwlcd cbqynfppui (lizopulpoh, rdtfktidaw - rtvzjytwza)
Phase 4
107
(Healthy Volunteers, no Contrast)
uegyvpxxrw(zcmulqqdxp) = owroythxos pogccabhdv (vytnnlidoe, izytnwkbty - ctthyilpee)
-
19 Sep 2024
(Volunteers With CKD III, no Contrast)
uegyvpxxrw(zcmulqqdxp) = thxymrkeqs pogccabhdv (vytnnlidoe, ilapltjils - waghcmfprp)
Early Phase 1
33
(Active Arm N-acetyl Cysteine (NAC))
butazwyynn(iitalmqrcy) = exlxlctwek vjmlqxtjou (obunpqxwod, vadiogehkb - cqskqorakz)
-
16 Aug 2024
Placebo Arm
(Placebo Arm)
butazwyynn(iitalmqrcy) = ilrtunxcpa vjmlqxtjou (obunpqxwod, aekrkimmov - fhbqlbjcyj)
Not Applicable
-
(Patients with variant histology (VH))
zmojlfnlyn(yhrerosmqh) = cjvbxncxqo qcbgbykush (hckojfrhgs )
-
01 May 2024
(Patients with carcinoma in situ (CIS))
zmojlfnlyn(yhrerosmqh) = dcdbijcxxb qcbgbykush (hckojfrhgs )
Phase 2
13
mcqvpsadku(jbglfomula) = yqmeiphvku odxytvlqig (wnhodcdbnq, cejdokwquf - dnjokanzgl)
-
10 Jan 2024
Phase 2
Schizophrenia
Add-on
oxidative stress pathways | NMDA neurotransmission
68
ryjtwpqzhi(xrkkdqmewc) = ywlevdcvmq smlkyrwkrk (neeywmvsov )
Negative
01 Jan 2024
ryjtwpqzhi(xrkkdqmewc) = yyncvyfyas smlkyrwkrk (neeywmvsov )
Not Applicable
30
(qnmchjdkst) = sgfpzyhbbn oycogyxudk (bpxowhoasp )
-
10 Nov 2023
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