Bupropion Hydrochloride

Product NDC
60429-217
Requested package NDC
60429-217-25
11-digit product format
604290217
Labeler code
60429
Product ID
60429-217_b7a0a352-f67c-6dd5-e053-2995a90a4be0
Type
HUMAN PRESCRIPTION DRUG
Nonproprietary name
bupropion hydrochloride
Dosage form
TABLET, FILM COATED, EXTENDED RELEASE
Route
ORAL
Labeler
Golden State Medical Supply, Inc.
Application
ANDA079095
Marketing category
ANDA
Marketing start
2009-03-24
Marketing end
0000-00-00
Substance
BUPROPION HYDROCHLORIDE
Active strength
150 mg/1
Pharmacologic classes
Aminoketone [EPC],Dopamine Uptake Inhibitors [MoA],Increased Dopamine Activity [PE],Increased Norepinephrine Activity [PE],Norepinephrine Uptake Inhibitors [MoA]
NDC exclude flag
No
Listing certified through
2021-12-31
Current FDA listing
Historical FDA.report record

NDC auxiliary status#

These records are reproduced from FDA’s unfinished, excluded, and compounder listings. They describe what appeared in the source files; a missing record does not establish a regulatory status. View all current auxiliary records, including entries without an NDC. · View the auxiliary file history.

Current NDC status page 1 of 1 · 1 matching rows.

Dataset, Scope, Product NDC table
DatasetScopeProduct NDCPackage NDCCodeStatusReporting periodSource date
excluded packagepackage60429-21760429-217-25DDiscontinued by firm2026-08-03

Observed NDC auxiliary status history#

This history shows the information present in each captured FDA auxiliary file. It is not a continuous regulatory timeline, and a missing record does not establish a status.

Historic NDC status page 1 of 1 · 12 matching rows.

View current auxiliary records. · View the auxiliary file history.

Captured / source date, Snapshot, Source SHA-256 table
Captured / source dateSnapshotSource SHA-256
2025-12-14 17:58 UTC · source 2025-12-05d630ba8d3edf…732f749b63fb…
2025-08-27 00:01 UTC · source 2025-08-26f5e01cc5f278…a2eaf40c39c3…
2025-04-01 02:39 UTC · source 2025-03-312ef7874e63bc…57b86245f4fa…
2025-03-28 20:22 UTC · source 2025-03-28a1b67e2a42f9…c4cf2c586c0d…
2025-03-22 03:12 UTC · source 2025-03-21cfe11265f3b6…090c488252e2…
2025-03-10 12:48 UTC · source 2025-03-10cdf11ea48f46…ba0047e9e063…
2025-02-02 03:52 UTC · source 2025-01-31302b2466d912…e7b80fea0513…
2025-01-20 13:05 UTC · source 2025-01-20ed331223b511…672a5bd82f5f…
2025-01-11 03:41 UTC · source 2025-01-100efc9e666f02…f202fb6c5f17…
2024-11-09 02:27 UTC · source 2024-11-08ad56d346431e…cc804d4bbf1e…
2024-10-04 04:10 UTC · source 2024-10-03367a005e9d99…383a685ebd0f…
2024-07-10 04:00 UTC · source 2024-07-09557ba5c1ecfa…9c80585c8c6e…

Source provenance: Browse the complete Orange Book source catalog · source snapshot 1.

Orange Book products#

Current product rows page 1 of 1 · 3 matching rows.

Application-product, Trade name, Ingredient table
Application-productTrade nameIngredientStrengthDosage form / routeTE codesRLD / RSApproval date
A079095-001BUPROPION HYDROCHLORIDEBUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24
A079095-002BUPROPION HYDROCHLORIDEBUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24
A079095-003BUPROPION HYDROCHLORIDEBUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24

Therapeutic equivalence codes#

Current TE-code rows page 1 of 1 · 3 matching rows.

Application-product, TE code table
Application-productTE code
A079095-001AB1
A079095-002AB1
A079095-003AB1

Observed Orange Book product history#

Observed FDA ZIP history: Each table is queried independently by exact application/product key from successfully parsed Orange Book snapshots. Capture times identify archived source observations; absence or a change between snapshots is not inferred. FDA publication files that were not recoverable as structured ZIP data are not represented as states.

Product history page 1 of 4 · 123 observed states.

Captured, Edition, Application-product table
CapturedEditionApplication-productTrade nameStrengthDosage form / routeProduct TE source textRLD / RSApproval dateSource SHA-256
2026-02-19 14:30 UTC2026-02A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24011fe1cb6892…
2026-02-19 14:30 UTC2026-02A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24011fe1cb6892…
2026-02-19 14:30 UTC2026-02A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-2431067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-2431067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-2431067a03dcf5…
2025-08-23 18:47 UTC2025-08A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-246a471c1ec25d…
2025-08-23 18:47 UTC2025-08A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-246a471c1ec25d…
2025-08-23 18:47 UTC2025-08A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-246a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-2403ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-2403ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-2403ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-242680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-242680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-242680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-245bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-245bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-245bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24d8e5a09893c0…
2024-10-29 15:01 UTC2024-10A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24d06236e962d9…
2024-10-29 15:01 UTC2024-10A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24d06236e962d9…
2024-10-29 15:01 UTC2024-10A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-2479d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-2479d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-2479d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-24301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-241e350fbaab3a…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A079095-002BUPROPION HYDROCHLORIDE150MGTABLET, EXTENDED RELEASE / ORALAB12009-03-241e350fbaab3a…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A079095-003BUPROPION HYDROCHLORIDE200MGTABLET, EXTENDED RELEASE / ORALAB12009-03-241e350fbaab3a…
2024-05-31 18:47 UTC2024-05A079095-001BUPROPION HYDROCHLORIDE100MGTABLET, EXTENDED RELEASE / ORALAB12009-03-248072bd15b7f6…

Observed Orange Book normalized TE history#

Normalized TE history page 1 of 4 · 123 observed states.

Captured, Edition, Application-product table
CapturedEditionApplication-productTE codeOrderSource SHA-256
2026-02-19 14:30 UTC2026-02A079095-001AB11011fe1cb6892…
2026-02-19 14:30 UTC2026-02A079095-002AB11011fe1cb6892…
2026-02-19 14:30 UTC2026-02A079095-003AB11011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A079095-001AB1131067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A079095-002AB1131067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A079095-003AB1131067a03dcf5…
2025-08-23 18:47 UTC2025-08A079095-001AB116a471c1ec25d…
2025-08-23 18:47 UTC2025-08A079095-002AB116a471c1ec25d…
2025-08-23 18:47 UTC2025-08A079095-003AB116a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A079095-001AB11fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A079095-002AB11fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A079095-003AB11fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A079095-001AB11b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A079095-002AB11b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A079095-003AB11b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A079095-001AB1103ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A079095-002AB1103ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A079095-003AB1103ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A079095-001AB112680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A079095-002AB112680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A079095-003AB112680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A079095-001AB115bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A079095-002AB115bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A079095-003AB115bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A079095-001AB11d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A079095-002AB11d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A079095-003AB11d8e5a09893c0…
2024-10-29 15:01 UTC2024-10A079095-001AB11d06236e962d9…
2024-10-29 15:01 UTC2024-10A079095-002AB11d06236e962d9…
2024-10-29 15:01 UTC2024-10A079095-003AB11d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A079095-001AB1179d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A079095-002AB1179d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A079095-003AB1179d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A079095-001AB11301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A079095-002AB11301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A079095-003AB11301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A079095-001AB111e350fbaab3a…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A079095-002AB111e350fbaab3a…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A079095-003AB111e350fbaab3a…
2024-05-31 18:47 UTC2024-05A079095-001AB118072bd15b7f6…

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDCBilling unitProduct NDCDailyMed indexing SPLSPL versionEffective
60429-217-01EA - Each60429-217904dd03f-287a-45c2-806f-2c8c5856a41c12015-09-10
60429-217-05EA - Each60429-21704684fca-50dc-49ff-8297-39fdce86975112015-09-10
60429-217-25EA - Each60429-21756b7c27f-35f8-4b7f-83b2-e8bacae6c76012015-09-10
60429-217-60EA - Each60429-2176595173e-75cf-4b09-9b51-d7238bf1614912015-09-10

DailyMed Socrata Ingredients#

Ingredient, Type, UNII table
IngredientTypeUNIIDailyMed labelSPL versionUploaded
BUPROPION HYDROCHLORIDEACTIVE INGREDIENTZG7E5POY8OBUPROPION HYDROCHLORIDE SR (BUPROPION HYDROCHLORIDE) TABLET, FILM COATED, EXTENDED RELEASE [GOLDEN STATE MEDICAL SUPPLY, INC.]1
BUPROPIONACTIVE MOIETY01ZG3TPX31BUPROPION HYDROCHLORIDE SR (BUPROPION HYDROCHLORIDE) TABLET, FILM COATED, EXTENDED RELEASE [GOLDEN STATE MEDICAL SUPPLY, INC.]1
CELLULOSE, MICROCRYSTALLINEINACTIVE INGREDIENTOP1R32D61UBUPROPION HYDROCHLORIDE SR (BUPROPION HYDROCHLORIDE) TABLET, FILM COATED, EXTENDED RELEASE [GOLDEN STATE MEDICAL SUPPLY, INC.]1
HYDROCHLORIC ACIDINACTIVE INGREDIENTQTT17582CBBUPROPION HYDROCHLORIDE SR (BUPROPION HYDROCHLORIDE) TABLET, FILM COATED, EXTENDED RELEASE [GOLDEN STATE MEDICAL SUPPLY, INC.]1
HYDROXYPROPYL CELLULOSE (TYPE H)INACTIVE INGREDIENTRFW2ET671PBUPROPION HYDROCHLORIDE SR (BUPROPION HYDROCHLORIDE) TABLET, FILM COATED, EXTENDED RELEASE [GOLDEN STATE MEDICAL SUPPLY, INC.]1
LACTOSE MONOHYDRATEINACTIVE INGREDIENTEWQ57Q8I5XBUPROPION HYDROCHLORIDE SR (BUPROPION HYDROCHLORIDE) TABLET, FILM COATED, EXTENDED RELEASE [GOLDEN STATE MEDICAL SUPPLY, INC.]1
MAGNESIUM STEARATEINACTIVE INGREDIENT70097M6I30BUPROPION HYDROCHLORIDE SR (BUPROPION HYDROCHLORIDE) TABLET, FILM COATED, EXTENDED RELEASE [GOLDEN STATE MEDICAL SUPPLY, INC.]1
POLYETHYLENE GLYCOLSINACTIVE INGREDIENT3WJQ0SDW1ABUPROPION HYDROCHLORIDE SR (BUPROPION HYDROCHLORIDE) TABLET, FILM COATED, EXTENDED RELEASE [GOLDEN STATE MEDICAL SUPPLY, INC.]1
SILICON DIOXIDEINACTIVE INGREDIENTETJ7Z6XBU4BUPROPION HYDROCHLORIDE SR (BUPROPION HYDROCHLORIDE) TABLET, FILM COATED, EXTENDED RELEASE [GOLDEN STATE MEDICAL SUPPLY, INC.]1
STEARIC ACIDINACTIVE INGREDIENT4ELV7Z65APBUPROPION HYDROCHLORIDE SR (BUPROPION HYDROCHLORIDE) TABLET, FILM COATED, EXTENDED RELEASE [GOLDEN STATE MEDICAL SUPPLY, INC.]1
TITANIUM DIOXIDEINACTIVE INGREDIENT15FIX9V2JPBUPROPION HYDROCHLORIDE SR (BUPROPION HYDROCHLORIDE) TABLET, FILM COATED, EXTENDED RELEASE [GOLDEN STATE MEDICAL SUPPLY, INC.]1

openFDA label cross-check#

OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.

Matched openFDA labels page 1 of 1 · 7 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
BuPROPion HydrochlorideBUPROPION HYDROCHLORIDEAmerican Health Packaging1af890f7-1db8-4dd2-bf66-2b1e0c93a3d82026-06-24Boxed warning, Warnings, Adverse reactionsExact identifier
application applno (ANDA): 079095
application number: ANDA079095
Bupropion Hydrochloride SRBUPROPION HYDROCHLORIDEPD-Rx Pharmaceuticals, Inc.f58ce435-b124-4519-98d8-de2d00f61b012026-05-26Boxed warning, Warnings, Adverse reactionsExact identifier
application applno (ANDA): 079095
application number: ANDA079095
Bupropion Hydrochloride SRBUPROPION HYDROCHLORIDEActavis Pharma, Inc.cec41945-8d64-4793-8784-4c2b8ec37b0f2025-11-11Boxed warning, Warnings, Adverse reactionsExact identifier
application applno (ANDA): 079095
application number: ANDA079095
Bupropion Hydrochloride SRBUPROPION HYDROCHLORIDEBryant Ranch Prepackec8c699f-a8de-4e5a-a223-8de3f5dfe20d2024-10-08Boxed warning, Warnings, Adverse reactionsExact identifier
application applno (ANDA): 079095
application number: ANDA079095
Bupropion Hydrochloride SRBUPROPION HYDROCHLORIDEProficient Rx LPb59d950c-341f-45f1-b5b2-d64ccc7995802024-05-01Boxed warning, Warnings, Adverse reactionsExact identifier
application applno (ANDA): 079095
application number: ANDA079095
Bupropion Hydrochloride SRBUPROPION HYDROCHLORIDEProficient Rx LP13770e60-117c-4814-93bb-9bc41a042a202022-05-01Boxed warning, Warnings, Adverse reactionsExact identifier
application applno (ANDA): 079095
application number: ANDA079095
Bupropion Hydrochloride SRBUPROPION HYDROCHLORIDEProficient Rx LPa165869a-9bc4-4987-babe-a77fad78c38f2020-02-01Boxed warning, Warnings, Adverse reactionsExact identifier
application applno (ANDA): 079095
application number: ANDA079095

Packages#

Package NDC, 11-digit format, Description table
Package NDC11-digit formatDescriptionMarketing startMarketing endSampleExclude flagStatus
60429-217-2560429021725250 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE, PLASTIC (60429-217-25) 2014-06-240000-00-00NoNoCurrent