Application 064063

Type
ANDA
Sponsor
BAUSCH AND LOMB

Application Products#

Product, Drug, Ingredient table
ProductDrugIngredientFormStrengthReference drugReference standard
001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONEDEXAMETHASONE; NEOMYCIN SULFATE; POLYMYXIN B SULFATEOINTMENT;OPHTHALMIC0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMNoNo

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

Orange Book products#

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

Application-product, Trade name, Ingredient table
Application-productTrade nameIngredientStrengthDosage form / routeTE codesRLD / RSApproval date
A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONEDEXAMETHASONE; NEOMYCIN SULFATE; POLYMYXIN B SULFATE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25

Therapeutic equivalence codes#

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

Application-product, TE code table
Application-productTE code
A064063-001AT

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 2 · 41 observed states.

Captured, Edition, Application-product table
CapturedEditionApplication-productTrade nameStrengthDosage form / routeProduct TE source textRLD / RSApproval dateSource SHA-256
2026-02-19 14:30 UTC2026-02A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-2531067a03dcf5…
2025-08-23 18:47 UTC2025-08A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-256a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-2503ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-252680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-255bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25d8e5a09893c0…
2024-10-29 15:01 UTC2024-10A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-2579d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-251e350fbaab3a…
2024-05-31 18:47 UTC2024-05A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-258072bd15b7f6…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-255c6f7cd8ea54…
2022-04-08 23:34 UTC2022-04A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-255d02ea3f76ae…
2022-04-04 05:41 UTC2022-04A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-254b0b4de00fa7…
2019-12-13 00:20 UTC2019-12A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-2574a2ff9319b5…
2022-03-09 01:35 UTC2022-03A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25bb7c543d1eb4…
2021-12-28 21:50 UTC2021-12A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25782e0a99824c…
2021-05-05 16:15 UTC · 3 captures of this ZIP2021-05A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-2587673890dc5c…
2021-03-12 10:30 UTC2021-03A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-255aa47cf7b7d7…
2020-12-22 03:56 UTC2020-12A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-258869cabd3fbd…
2020-11-12 02:37 UTC2020-11A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25c0c555d07b60…
2019-12-14 00:12 UTC2019-12A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-253f01610625f2…
2019-09-15 20:21 UTC2019-09A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25b00525d2431f…
2019-07-19 19:46 UTC2019-07A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25ea99ee380514…
2024-03-16 18:09 UTC · 4 captures of this ZIP2024-03A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-256a51e52b5d6a…
2024-02-18 07:12 UTC2024-02A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-251c564ffb4f44…
2023-12-20 04:57 UTC2023-12A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25ea1830bbd6c7…
2023-11-28 05:40 UTC · 2 captures of this ZIP2023-11A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25a72a2bbeb626…
2023-10-25 00:34 UTC · 2 captures of this ZIP2023-10A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-259b2671bbb829…
2023-07-15 15:27 UTC · 2 captures of this ZIP2023-07A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25a67488948f0b…
2023-06-13 01:57 UTC · 3 captures of this ZIP2023-06A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-253f0d92c62455…
2023-05-13 08:27 UTC2023-05A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25053a50430f4f…
2023-01-26 05:58 UTC2023-01A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-253bdfa0b2c4d7…
2022-11-12 20:34 UTC · 5 captures of this ZIP2022-11A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-253a93d1ddd44b…
2022-10-28 04:53 UTC2022-10A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25f41ea6bd6efb…
2022-09-29 23:25 UTC2022-09A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25e64feba35796…
2022-07-09 03:26 UTC · 3 captures of this ZIP2022-07A064063-001NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONE0.1%;EQ 3.5MG BASE/GM;10,000 UNITS/GMOINTMENT / OPHTHALMICAT1994-07-25cb3db0bc1861…

Observed Orange Book normalized TE history#

Normalized TE history page 1 of 2 · 41 observed states.

Captured, Edition, Application-product table
CapturedEditionApplication-productTE codeOrderSource SHA-256
2026-02-19 14:30 UTC2026-02A064063-001AT1011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A064063-001AT131067a03dcf5…
2025-08-23 18:47 UTC2025-08A064063-001AT16a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A064063-001AT1fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A064063-001AT1b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A064063-001AT103ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A064063-001AT12680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A064063-001AT15bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A064063-001AT1d8e5a09893c0…
2024-10-29 15:01 UTC2024-10A064063-001AT1d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A064063-001AT179d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A064063-001AT1301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A064063-001AT11e350fbaab3a…
2024-05-31 18:47 UTC2024-05A064063-001AT18072bd15b7f6…
2022-06-29 02:47 UTC · 2 captures of this ZIP2022-06A064063-001AT15c6f7cd8ea54…
2022-04-08 23:34 UTC2022-04A064063-001AT15d02ea3f76ae…
2022-04-04 05:41 UTC2022-04A064063-001AT14b0b4de00fa7…
2019-12-13 00:20 UTC2019-12A064063-001AT174a2ff9319b5…
2022-03-09 01:35 UTC2022-03A064063-001AT1bb7c543d1eb4…
2021-12-28 21:50 UTC2021-12A064063-001AT1782e0a99824c…
2021-05-05 16:15 UTC · 3 captures of this ZIP2021-05A064063-001AT187673890dc5c…
2021-03-12 10:30 UTC2021-03A064063-001AT15aa47cf7b7d7…
2020-12-22 03:56 UTC2020-12A064063-001AT18869cabd3fbd…
2020-11-12 02:37 UTC2020-11A064063-001AT1c0c555d07b60…
2019-12-14 00:12 UTC2019-12A064063-001AT13f01610625f2…
2019-09-15 20:21 UTC2019-09A064063-001AT1b00525d2431f…
2019-07-19 19:46 UTC2019-07A064063-001AT1ea99ee380514…
2024-03-16 18:09 UTC · 4 captures of this ZIP2024-03A064063-001AT16a51e52b5d6a…
2024-02-18 07:12 UTC2024-02A064063-001AT11c564ffb4f44…
2023-12-20 04:57 UTC2023-12A064063-001AT1ea1830bbd6c7…
2023-11-28 05:40 UTC · 2 captures of this ZIP2023-11A064063-001AT1a72a2bbeb626…
2023-10-25 00:34 UTC · 2 captures of this ZIP2023-10A064063-001AT19b2671bbb829…
2023-07-15 15:27 UTC · 2 captures of this ZIP2023-07A064063-001AT1a67488948f0b…
2023-06-13 01:57 UTC · 3 captures of this ZIP2023-06A064063-001AT13f0d92c62455…
2023-05-13 08:27 UTC2023-05A064063-001AT1053a50430f4f…
2023-01-26 05:58 UTC2023-01A064063-001AT13bdfa0b2c4d7…
2022-11-12 20:34 UTC · 5 captures of this ZIP2022-11A064063-001AT13a93d1ddd44b…
2022-10-28 04:53 UTC2022-10A064063-001AT1f41ea6bd6efb…
2022-09-29 23:25 UTC2022-09A064063-001AT1e64feba35796…
2022-07-09 03:26 UTC · 3 captures of this ZIP2022-07A064063-001AT1cb3db0bc1861…

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
Neomycin and Polymyxin B Sulfates and DexamethasoneNEOMYCIN SULFATE, POLYMYXIN B SULFATE, AND DEXAMETHASONENuCare Pharmaceuticals,Inc.c3b6004a-8cfc-d5f8-e053-2a95a90a3efb2026-01-21Warnings, Adverse reactionsExact identifier
application applno (ANDA): 064063
application number: ANDA064063
ndc (product): 68071-2428
Neomycin and Polymyxin B Sulfates and DexamethasoneNEOMYCIN SULFATE, POLYMYXIN B SULFATE, AND DEXAMETHASONEPreferred Pharmaceuticals Inc.e42d4837-77c2-40c3-8705-20966a51a8222026-01-19Warnings, Adverse reactionsExact identifier
application applno (ANDA): 064063
application number: ANDA064063
NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONENEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONEAdvanced Rx Pharmacy of Tennessee, LLCf1a05d5f-74f2-17a1-e053-2995a90ab0e72024-12-31Warnings, Adverse reactionsExact identifier
application applno (ANDA): 064063
application number: ANDA064063
ndc (product): 80425-0229
Neo/Poly-B/Dex Ophth OintNEO/POLY-B/DEX OPHTH OINTDirect_Rx0ec1dfdf-b63f-fb0c-e063-6294a90a843d2024-01-12Warnings, Adverse reactionsExact identifier
application applno (ANDA): 064063
application number: ANDA064063
Neomycin and Polymyxin B Sulfates and DexamethasoneNEOMYCIN SULFATE, POLYMYXIN B SULFATE, AND DEXAMETHASONEA-S Medication Solutions0d273133-0ce9-4fe6-b873-7f85aac254862023-11-01Warnings, Adverse reactionsExact identifier
application applno (ANDA): 064063
application number: ANDA064063
ndc (product): 50090-6181
Neomycin and Polymyxin B Sulfates and DexamethasoneNEOMYCIN SULFATE, POLYMYXIN B SULFATE, AND DEXAMETHASONEBausch & Lomb Incorporated4456d10b-9995-4430-b692-a8859ea36deb2023-06-01Warnings, Adverse reactionsExact identifier
application applno (ANDA): 064063
application number: ANDA064063
ndc (product): 24208-795
Neomycin and Polymyxin B Sulfates and DexamethasoneNEOMYCIN SULFATE, POLYMYXIN B SULFATE, AND DEXAMETHASONEProficient Rx LP21c9b34c-af88-4c9e-9b6c-32d78d34ba7e2023-05-01Warnings, Adverse reactionsExact identifier
application applno (ANDA): 064063
application number: ANDA064063
ndc (product): 63187-669

NDC Listings For This Application#

NDC listings for this application page 1 of 1 · 15 matching rows.

NDC, Name, Nonproprietary name table
NDCNameNonproprietary nameLabelerMarketing categoryStatus
11695-1436NEO-POLY-DEXNeomycin sulfate, Polymyxin B Sulfate, and DexamethasoneButler Animal Health SupplyANDACurrent
13985-014Neomycin and Polymyxin B Sulfates and DexamethasoneNeomycin sulfate, Polymyxin B Sulfate, and DexamethasoneMWI/VetOneANDACurrent
13985-744Neomycin and Polymyxin B Sulfates and DexamethasoneNeomycin Sulfate, Polymyxin B Sulfate, and DexamethasoneMWIANDACurrent
24208-795Neomycin and Polymyxin B Sulfates and DexamethasoneNeomycin Sulfate, Polymyxin B Sulfate, and DexamethasoneBausch & Lomb IncorporatedANDACurrent
24208-795Neomycin and Polymyxin B Sulfates and DexamethasoneNeomycin Sulfate, Polymyxin B Sulfate, and DexamethasoneBausch & Lomb IncorporatedANDACurrent
24208-795Neomycin and Polymyxin B Sulfates and DexamethasoneNeomycin Sulfate, Polymyxin B Sulfate, and DexamethasoneBausch & Lomb IncorporatedANDACurrent
24208-795Neomycin and Polymyxin B Sulfates and DexamethasoneNeomycin Sulfate, Polymyxin B Sulfate, and DexamethasoneBausch & Lomb IncorporatedANDACurrent
50090-6181Neomycin and Polymyxin B Sulfates and DexamethasoneNeomycin Sulfate, Polymyxin B Sulfate, and DexamethasoneA-S Medication SolutionsANDACurrent
57319-307NPDNeomycin sulfate, Polymyxin B Sulfate, and DexamethasonePhoenix Pharmaceutical, Inc.ANDACurrent
63187-669Neomycin and Polymyxin B Sulfates and DexamethasoneNeomycin Sulfate, Polymyxin B Sulfate, and DexamethasoneProficient Rx LPANDACurrent
63187-669Neomycin and Polymyxin B Sulfates and DexamethasoneNeomycin Sulfate, Polymyxin B Sulfate, and DexamethasoneProficient Rx LPANDACurrent
63187-669Neomycin and Polymyxin B Sulfates and DexamethasoneNeomycin Sulfate, Polymyxin B Sulfate, and DexamethasoneProficient Rx LPANDACurrent
68071-2428Neomycin and Polymyxin B Sulfates and DexamethasoneNeomycin Sulfate, Polymyxin B Sulfate, and DexamethasoneNuCare Pharmaceuticals,Inc.ANDACurrent
68788-6841Neomycin and Polymyxin B Sulfates and DexamethasoneNeomycin Sulfate, Polymyxin B Sulfate, and DexamethasonePreferred Pharmaceuticals Inc.ANDACurrent
80425-0229NEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONENEOMYCIN AND POLYMYXIN B SULFATES AND DEXAMETHASONEAdvanced Rx Pharmacy of Tennessee, LLCANDACurrent