Drugs / L-cysteine

Regulatory milestones approvals, filings & regulatory actions · 1 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Approved EU (EMA) Maapliv 2025-07-28 europa.eu

Trials 5 · a red edge is where a trial was stopped

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PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT04939792 Nov 2020 → Oct 2022 vitamin D deficiency Louisiana State University Health Sciences Center Shreveport Completed No outcome recorded
Phase 31 trial
Phase 3 NCT00004940 May 1996 → Sep 2001 erythropoietic protoporphyria Brigham and Women's Hospital Completed No outcome recorded
Phase not applicable3 trials
NCT02758743 Apr 2016 → May 2017 Biohit Oyj Completed No outcome recorded
NCT02315833 Dec 2013 → Jul 2019 migraine disorder Biohit Oyj Completed No outcome recorded
NCT02310828 Dec 2013 → Feb 2019 cluster headache syndrome Biohit Oyj Completed No outcome recorded

Evidence & citations 3 cited values

Every value below carries the sentence it was read from. 5 sources stand behind the page.

FieldValueCited text
Known as L-cysteine “Patients are administered L-cysteine orally twice daily, 2 capsules with breakfast and 2 with lunch.” NCT00004940
4

“Acetium lozenge (L-cysteine 3mg) is used in context of each cigarette smoked.” NCT02758743

“Capsule for oral administration contains L-cysteine 100mg” NCT02315833

“Capsule for oral administration contains L-cysteine 100mg” NCT02310828

NCT04939792

Action Inhibit “acetaldehyde, which, in turn, is effectively inactivated by L-cysteine” NCT02310828
Route Oral “administered L-cysteine orally twice daily” NCT00004940