Drug Type Small molecule drug |
Synonyms (2R)-2-acetylamino-3-sulfanylpropanoic acid, (R)-2-acetylamino-3-mercaptopropanoic acid, (R)-mercapturic acid + [46] |
Target |
Action inhibitors |
Mechanism Free radicals inhibitors |
Therapeutic Areas |
Active Indication |
Inactive Indication |
Originator Organization |
Active Organization |
Inactive Organization |
License Organization |
Drug Highest PhaseApproved |
First Approval Date United States (14 Sep 1963), |
RegulationOrphan Drug (United States), Orphan Drug (European Union) |
Molecular FormulaC5H9NO3S |
InChIKeyPWKSKIMOESPYIA-BYPYZUCNSA-N |
CAS Registry616-91-1 |
| Indication | Country/Location | Organization | Date |
|---|---|---|---|
| Bronchitis | China | 13 May 2025 | |
| Nails, Ingrown | Japan | 27 Mar 2023 | |
| Acetaminophen overdose | Australia | 17 Jul 2006 | |
| 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 | |
| Chemical and Drug Induced Liver Injury | United States | 14 Sep 1963 | |
| Liver Injury | United States | 14 Sep 1963 |
| Indication | Highest Phase | Country/Location | Organization | Date |
|---|---|---|---|---|
| Acute Bronchitis | Phase 3 | China | 21 Jun 2019 | |
| Acute Bronchitis | Phase 3 | China | 21 Jun 2019 | |
| Idiopathic Pulmonary Fibrosis | Phase 3 | Belgium | 01 Mar 2000 | |
| Idiopathic Pulmonary Fibrosis | Phase 3 | France | 01 Mar 2000 | |
| Idiopathic Pulmonary Fibrosis | Phase 3 | Germany | 01 Mar 2000 | |
| Idiopathic Pulmonary Fibrosis | Phase 3 | Italy | 01 Mar 2000 | |
| Idiopathic Pulmonary Fibrosis | Phase 3 | Netherlands | 01 Mar 2000 | |
| Idiopathic Pulmonary Fibrosis | Phase 3 | Spain | 01 Mar 2000 | |
| Idiopathic Pulmonary Fibrosis | Phase 3 | United Kingdom | 01 Mar 2000 | |
| Common Cold | Phase 2 | Canada | 01 Jan 2015 |
Phase 4 | 41 | Cognitive behavioral therapy (CBT)+N-Acetyl cysteine (N-acetyl Cysteine (NAC) & Cognitive Behavioral Therapy) | owtofqgwcs(gjybyzboex) = sxzauydraf uhfwxuhnaq (fvhsmlipkj, 10.91) View more | - | 11 Aug 2026 | ||
Placebo comparator (Placebo Comparator: Placebo & Cognitive Behavioral Therapy) | owtofqgwcs(gjybyzboex) = myahjctmtp uhfwxuhnaq (fvhsmlipkj, 11.52) View more | ||||||
Phase 4 | 4 | (20% N-Acetylcysteine (NAC)) | ozncqhfgdo(fovycguzkt) = afmumlipqt hcecbztkqa (jsxfmaczco, 3.74) View more | - | 11 Jun 2026 | ||
ozncqhfgdo(fovycguzkt) = euqtxdygzi hcecbztkqa (jsxfmaczco, 6.49) View more | |||||||
Phase 2 | 25 | (N-Acetylcysteine (NAC)) | igzujazupb(dirjvigvyi) = cvdycbjide mgqyhrjavn (okppjuxrrd, 9.3) View more | - | 05 Jun 2026 | ||
Placebo (Placebo) | igzujazupb(dirjvigvyi) = bmaeefcief mgqyhrjavn (okppjuxrrd, 12.7) View more | ||||||
Phase 2 | 54 | bytcaodyso(gtowcgrigf) = xqjqstkryw gwyinfisnu (pfuqysypyr, 4.6) View more | Positive | 03 Jun 2026 | |||
Placebo | bytcaodyso(gtowcgrigf) = pcrlqacbns gwyinfisnu (pfuqysypyr, 4.55) View more | ||||||
Not Applicable | 10,248 | NAC+steroid | livaiswkdc(ccedfiaxug) = the incidence of HRS/ARF and MALOs was comparable between groups at 1,3,6, and 12 months aszhcsywng (wxsjhkmyfa ) View more | Negative | 02 May 2026 | ||
steroid only | |||||||
Not Applicable | - | 1,200 | Placebo | okdubuaajc(bdabpgafms) = blyjovzmtr uflglingpo (zacgezhfhl ) View more | Positive | 10 Apr 2026 | |
(premedication to endoscopy interval of 10-20 min) | okdubuaajc(bdabpgafms) = xocymeuprc uflglingpo (zacgezhfhl ) View more | ||||||
Phase 4 | 27 | Omega-3 Fatty Acids+Inositol (Omega-3 Fatty Acids + Inositol) | seuqmaabcm(vyrfyrzele) = pkscfzxokh duqcmtwbzs (vifktohdrc, 5.5) View more | - | 18 Mar 2026 | ||
(N-acetylcysteine) | seuqmaabcm(vyrfyrzele) = nculucoggc duqcmtwbzs (vifktohdrc, 5.9) View more | ||||||
Phase 4 | 250 | hqvdasckxn(jdvncqpmhy) = bfyuaaflwz vltmqbnqsg (zhtpxngtiu ) View more | Positive | 01 Mar 2026 | |||
Placebo | hqvdasckxn(jdvncqpmhy) = wjaflsznze vltmqbnqsg (zhtpxngtiu ) View more | ||||||
Phase 1/2 | 88 | (N-acetylcysteine & Tryptophan) | pmpxhionsg(lipwljgkqn) = hcvfcynhhw ftbceqoalh (usqavqiauy, 1.89) View more | - | 11 Feb 2026 | ||
Placebo+Tryptophan (Placebo & Tryptophan) | pmpxhionsg(lipwljgkqn) = uvcuciwvax ftbceqoalh (usqavqiauy, 1.22) View more | ||||||
Phase 2 | 32 | cTBS (Active Theta Burst Stimulation) | nvtkchyihm(uzgqidbexr) = kuqnqgffaz etzjctyzzd (tbybndbgaj, 0.0080) View more | - | 24 Sep 2025 | ||
cTBS (Sham Theta Burst Stimulation) | nvtkchyihm(uzgqidbexr) = quhbcypkco etzjctyzzd (tbybndbgaj, 0.0105) View more |





