Who are CYSTEAMINE HYDROCHLORIDE's main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Cysteine Hydrochloride, Acetylcystein, Acetadote, L-cysteine, Cysteamine Bitartrate Delayed-release Capsules.

How often does this brief refresh?

Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

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Last reviewed 2026-06-10 · How we verify

CYSTEAMINE HYDROCHLORIDE — Competitive Intelligence Brief

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

CYSTEAMINE HYDROCHLORIDE (CYSTEAMINE HYDROCHLORIDE) competitive landscape: 5 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Cystine-depleting agents. Area: Ophthalmology.

marketed Cystine-depleting agents Cystine Ophthalmology Small molecule Live · refreshed every 30 min

Target snapshot

CYSTEAMINE HYDROCHLORIDE (CYSTEAMINE HYDROCHLORIDE). Cysteamine depletes cystine by converting it to cysteine and cysteine-cysteamine mixed disulfides, reducing corneal cystine crystal accumulation.

Comparator set (5 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

Drug	Generic	Sponsor	Phase	Class	Target	Approval / PDUFA
CYSTEAMINE HYDROCHLORIDE TARGET	CYSTEAMINE HYDROCHLORIDE		marketed	Cystine-depleting agents	Cystine	2012-01-01
Cysteine Hydrochloride	CYSTEINE	Exela Pharma	marketed	Vitamin C [EPC]	Cystine/glutamate transporter	1986-01-01
Acetylcystein	Acetylcystein	University Hospital, Strasbourg, France	marketed		Cystine/glutamate transporter, Cytochrome c, Glutathione synthetase
Acetadote	Acetadote	University of Texas Southwestern Medical Center	marketed		Cystine/glutamate transporter, Cytochrome c, Glutathione synthetase
L-cysteine	L-cysteine	Louisiana State University Health Sciences Center Shreveport	marketed	Amino acid derivative	Cystine/glutamate transporter
Cysteamine Bitartrate Delayed-release Capsules	Cysteamine Bitartrate Delayed-release Capsules	Amgen	phase 3	Cystine-depleting agent	Lysosomal cystine

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (Cystine-depleting agents class)

· 1 drug in this class

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Cite this brief

Drug Landscape (2026). CYSTEAMINE HYDROCHLORIDE — Competitive Intelligence Brief. https://druglandscape.com/ci/cysteamine-hydrochloride. Accessed 2026-06-10.

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Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing