Drug

N-Acetylcysteinamide clinical trials

Also written N-Acetylcysteine Amide.

studies test it: 3
open now: 1
in phase 3: 1
first study started: 2023

How each study uses N-Acetylcysteinamide is sorted by a rule, right about nine times in ten. Readers can ask us to read every study one by one.Ask us to read each study

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Approvals

The first approval found in each region, with its record

United States: Not in FDA's approval records
European Union: Not in EMA's list of EU-wide authorisations

From FDA's Drugs@FDA and Purple Book (through openFDA) and the European Medicines Agency, files of Sept 2026 and 27 Oct 2026. National approvals in Europe and other countries are not included. How this is worked out

How studies write it

Studies that test it under each name

Other names

N-Acetylcysteine Amide: 2
NACA: 1

Studies by the year they started

3 studies that test it; most in 2023 (1)

Studies that test N-Acetylcysteinamide, by start year
Year	Studies
2023	1
2024	1
2026	1

By phase

A phase 1/2 study counts in both.

Phase 1: 1
Phase 2: 2
Phase 3: 1

What it is tested for

Each study’s main condition, where its own words name it, so a study counts once.

Cystinosis: 1
Usher Syndromes: 1

Who runs them

Industry 3 · Other 0

Nacuity Pharmaceuticals, Inc. (2) · Arctic Therapeutics (1)

Related medicines

As reviewed, each with the page that says it.

One of Antioxidants source

Coming up

From the study records. Dates are the sponsors’ own estimates and often move.

Reaching primary completion within a year · 1

Studies that test N-Acetylcysteinamide.

Dec 2026Safety, Tolerability and Efficacy of NPI-001 in Patients With Hereditary Cystatin C Amyloid Angiopathy (HCCAA)Phase 2 · Arctic Therapeutics

Studies

Open first, then newest update. How each study uses N-Acetylcysteinamide is read from its arms, and is right about nine times in ten. Ask us to read each study. These are the studies that list it as an intervention; a search of ClinicalTrials.gov also finds studies that mention it only in a description, such as earlier treatment.

Testing it · 3

Codes

What other systems call N-Acetylcysteinamide · ClinicalTrials.gg INT004655

MeSH (NLM) C487056N-AcetylcysteinamideConfirmed ClinicalTrials.gov, NLM
UNII (FDA) 4N69717RKWACETYLCYSTEINAMIDEConfirmed FDA, NLM, Wikidata
RxNorm 1591923Confirmed FDA, Wikidata
Wikidata Q15408428AcetylcysteinamideConfirmed FDA, NLM, Wikidata
NCI Thesaurus C87651N-Acetylcysteine AmideConfirmed FDA, Wikidata
DrugBank DB14480One source Wikidata

System	Code	Name there	Checked by
MeSH (NLM)	C487056	N-Acetylcysteinamide	Confirmed ClinicalTrials.gov, NLM
UNII (FDA)	4N69717RKW	ACETYLCYSTEINAMIDE	Confirmed FDA, NLM, Wikidata
RxNorm	1591923	—	Confirmed FDA, Wikidata
Wikidata	Q15408428	Acetylcysteinamide	Confirmed FDA, NLM, Wikidata
NCI Thesaurus	C87651	N-Acetylcysteine Amide	Confirmed FDA, Wikidata
DrugBank	DB14480	—	One source Wikidata

“Confirmed” means two independent publishers link the code to this drug; “one source”, one does and its name agrees.