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FDA Orange Book · active-ingredient family

Naltrexone hydrochloride

Naltrexone hydrochloride: 1 brand, 7 generics; first approved Nov 20, 1984; generic available.

Generic availableHas discontinued products
Generic status & protection

Generic available — 7 ANDA applications approved.

Brands (NDA)
1
Generics (ANDA)
7
Listed patents
0
Presentations
10
Originator applications

Brand (NDA) products

NDA 0189321984
Approved strengths under this FDA application.
StrengthDosage formRouteStatusTE
50MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**TABLETORALDiscontinued
Abbreviated applications

Generic (ANDA) products (7)

ANDA 2079052017
Approved strengths under this FDA application.
StrengthDosage formRouteStatusTE
50MGTABLETORALRxAB
ANDA 0903562012
Approved strengths under this FDA application.
StrengthDosage formRouteStatusTE
50MGTABLETORALRxAB
ANDA 0912052011
Approved strengths under this FDA application.
StrengthDosage formRouteStatusTE
50MGTABLETORALRxAB
ANDA 07626420023 strengths
Approved strengths under this FDA application.
StrengthDosage formRouteStatusTE
25MGTABLETORALRx
50MGTABLETORALRxAB
100MGTABLETORALRx
ANDA 0754342000
Approved strengths under this FDA application.
StrengthDosage formRouteStatusTE
50MGTABLETORALDiscontinued
ANDA 0752741999
Approved strengths under this FDA application.
StrengthDosage formRouteStatusTE
50MGTABLETORALRxAB
ANDA 0749181998
Approved strengths under this FDA application.
StrengthDosage formRouteStatusTE
50MGTABLETORALRxAB
Orange Book patent file

Listed patents

Listed patents

No patents are listed against this product in the Orange Book. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.

FDA approval span

Approval history

First approval
Nov 20, 1984
42 yr 3 mo ago
Most recent approval
Jul 21, 2017
9 yr 1 mo ago

Approvals span 1984–2017 across 8 FDA applications.

Brand (NDA) 113%
Generic (ANDA) 788%

Naltrexone hydrochloride — frequently asked questions

Generics, reference-listed drug, patents, and exclusivity for this active ingredient, from the FDA Orange Book.

Built directly from the FDA Orange Book data file (products, patents, and exclusivity). TE codes, RLD/RS flags, patent expirations, and exclusivity dates match the official FDA record. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.

Related FDA reference tools

Agent CTA Background

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