TheraRadar
Data updated: Jul 17, 2026

TRIENTINE HYDROCHLORIDE · ECI PHARMS LLC

Rare Disease Approved 1985-11-08

Trientine hydrochloride capsules are indicated in the treatment of patients with Wilson's disease who are intolerant of penicillamine. Clinical experience with trientine hydrochloride capsules is limited and alternate dosing regimens have not been well-characterized; all endpoints in determining an individual patient's dose have not been well defined. Trientine hydrochloride capsules and penicillamine cannot be considered interchangeable.

Source: FDA Label
13
Indications
--
Phase 3 Trials
40
Years on Market

TRIENTINE HYDROCHLORIDE Approval History

2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
19 FDA actions from 2018 to 2025
Apr 2025 SUPPL
Label · Labeling
Sep 2023 SUPPL
Mfg · Manufacturing (CMC)
Jun 2022 ORIGINAL
Update

What TRIENTINE HYDROCHLORIDE Treats

1 indications

TRIENTINE HYDROCHLORIDE is approved for 1 conditions since its original approval in 2018. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Wilson's Disease
Source: FDA Label

TRIENTINE HYDROCHLORIDE Competitive Set

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Indication competitors

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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

Drugs Similar to TRIENTINE HYDROCHLORIDE

FDA-approved drugs for similar conditions. Compare mechanisms and indications to understand treatment alternatives.

CUVRIOR
TRIENTINE TETRAHYDROCHLORIDE
1 shared
ORPHALAN
Shared indications:
Wilson's Disease
GALZIN
ZINC ACETATE
1 shared
ETON
Shared indications:
Wilson's Disease
PENICILLAMINE
PENICILLAMINE
1 shared
PH HEALTH
Shared indications:
Wilson's Disease
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Active Pipeline

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Key Completed Trials

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

TRIENTINE HYDROCHLORIDE FDA Label Details

Indications & Usage

Trientine hydrochloride capsules are indicated in the treatment of patients with Wilson's disease who are intolerant of penicillamine. Clinical experience with trientine hydrochloride capsules is limited and alternate dosing regimens have not been well-characterized; all endpoints in determining an individual patient's dose have not been well defined. Trientine hydrochloride capsules and penicillamine cannot be considered interchangeable. Trientine hydrochloride capsules should be used when continued treatment with penicillamine is no longer possible because of intolerable or life endangering ...

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.