Application 050587

Type: NDA
Sponsor: MERCK

Application Products#

Product, Drug, Ingredient table
Product	Drug	Ingredient	Form	Strength	Reference drug	Reference standard
001	PRIMAXIN	CILASTATIN SODIUM; IMIPENEM	POWDER;INTRAVENOUS	EQ 250MG BASE/VIAL;250MG/VIAL	Yes	No
002	PRIMAXIN	CILASTATIN SODIUM; IMIPENEM	POWDER;INTRAVENOUS	EQ 500MG BASE/VIAL;500MG/VIAL	Yes	Yes

Source provenance: Browse the complete Orange Book source catalog · source snapshot 44.

Orange Book products#

Current product rows page 1 of 1 · 2 matching rows.

Application-product, Trade name, Ingredient table
Application-product	Trade name	Ingredient	Strength	Dosage form / route	TE codes	RLD / RS	Approval date
N050587-001	PRIMAXIN	CILASTATIN SODIUM; IMIPENEM	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26
N050587-002	PRIMAXIN	CILASTATIN SODIUM; IMIPENEM	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26

Therapeutic equivalence codes#

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

Application-product, TE code table
Application-product	TE code
N050587-002	AP

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 3 · 88 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	Trade name	Strength	Dosage form / route	Product TE source text	RLD / RS	Approval date	Source SHA-256
2026-10-15 13:18:30	2026-09	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`c2088c7a36db…`
2026-10-15 13:18:30	2026-09	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`c2088c7a36db…`
2026-09-14 22:38:34	2026-08	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`84e616aacf4f…`
2026-09-14 22:38:34	2026-08	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`84e616aacf4f…`
2026-08-18 06:07:40	2026-07	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`caaa826d4ba7…`
2026-08-18 06:07:40	2026-07	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`caaa826d4ba7…`
2026-02-19 14:30 UTC	2026-02	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`011fe1cb6892…`
2026-02-19 14:30 UTC	2026-02	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`31067a03dcf5…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`6a471c1ec25d…`
2025-08-23 18:47 UTC	2025-08	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`fd3edfee7708…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`b8a1b40f171c…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`03ed91905a0d…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`2680178bc6a6…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`5bbf6a4d5a75…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`d8e5a09893c0…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`d06236e962d9…`
2024-10-29 15:01 UTC	2024-10	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`79d66fd596c7…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`301d65b070ca…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`1e350fbaab3a…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`8072bd15b7f6…`
2024-05-31 18:47 UTC	2024-05	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`8072bd15b7f6…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons	POWDER / INTRAVENOUS		RLD	1985-11-26	`5c6f7cd8ea54…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL	POWDER / INTRAVENOUS		RLD	1985-11-26	`5d02ea3f76ae…`
2022-04-08 23:34 UTC	2022-04	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	N050587-001	PRIMAXIN	EQ 250MG BASE/VIAL;250MG/VIAL	POWDER / INTRAVENOUS		RLD	1985-11-26	`4b0b4de00fa7…`
2022-04-04 05:41 UTC	2022-04	N050587-002	PRIMAXIN	EQ 500MG BASE/VIAL;500MG/VIAL	POWDER / INTRAVENOUS	AP	RLD, RS	1985-11-26	`4b0b4de00fa7…`

Observed Orange Book normalized TE history#

Normalized TE history page 1 of 2 · 44 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	TE code	Order	Source SHA-256
2026-10-15 13:18:30	2026-09	N050587-002	AP	1	`c2088c7a36db…`
2026-09-14 22:38:34	2026-08	N050587-002	AP	1	`84e616aacf4f…`
2026-08-18 06:07:40	2026-07	N050587-002	AP	1	`caaa826d4ba7…`
2026-02-19 14:30 UTC	2026-02	N050587-002	AP	1	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	N050587-002	AP	1	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	N050587-002	AP	1	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	N050587-002	AP	1	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	N050587-002	AP	1	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	N050587-002	AP	1	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	N050587-002	AP	1	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	N050587-002	AP	1	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	N050587-002	AP	1	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	N050587-002	AP	1	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	N050587-002	AP	1	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	N050587-002	AP	1	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	N050587-002	AP	1	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	N050587-002	AP	1	`8072bd15b7f6…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	N050587-002	AP	1	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	N050587-002	AP	1	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	N050587-002	AP	1	`4b0b4de00fa7…`
2019-12-13 00:20 UTC	2019-12	N050587-002	AP	1	`74a2ff9319b5…`
2022-03-09 01:35 UTC	2022-03	N050587-002	AP	1	`bb7c543d1eb4…`
2021-12-28 21:50 UTC	2021-12	N050587-002	AP	1	`782e0a99824c…`
2021-05-05 16:15 UTC · 3 captures of this ZIP	2021-05	N050587-002	AP	1	`87673890dc5c…`
2021-03-12 10:30 UTC	2021-03	N050587-002	AP	1	`5aa47cf7b7d7…`
2020-12-22 03:56 UTC	2020-12	N050587-002	AP	1	`8869cabd3fbd…`
2020-11-12 02:37 UTC	2020-11	N050587-002	AP	1	`c0c555d07b60…`
2019-12-14 00:12 UTC	2019-12	N050587-002	AP	1	`3f01610625f2…`
2019-09-15 20:21 UTC	2019-09	N050587-002	AP	1	`b00525d2431f…`
2019-07-19 19:46 UTC	2019-07	N050587-002	AP	1	`ea99ee380514…`
2024-03-16 18:09 UTC · 4 captures of this ZIP	2024-03	N050587-002	AP	1	`6a51e52b5d6a…`
2024-02-18 07:12 UTC	2024-02	N050587-002	AP	1	`1c564ffb4f44…`
2023-12-20 04:57 UTC	2023-12	N050587-002	AP	1	`ea1830bbd6c7…`
2023-11-28 05:40 UTC · 2 captures of this ZIP	2023-11	N050587-002	AP	1	`a72a2bbeb626…`
2023-10-25 00:34 UTC · 2 captures of this ZIP	2023-10	N050587-002	AP	1	`9b2671bbb829…`
2023-07-15 15:27 UTC · 2 captures of this ZIP	2023-07	N050587-002	AP	1	`a67488948f0b…`
2023-06-13 01:57 UTC · 3 captures of this ZIP	2023-06	N050587-002	AP	1	`3f0d92c62455…`
2023-05-13 08:27 UTC	2023-05	N050587-002	AP	1	`053a50430f4f…`
2023-01-26 05:58 UTC	2023-01	N050587-002	AP	1	`3bdfa0b2c4d7…`
2022-11-12 20:34 UTC · 5 captures of this ZIP	2022-11	N050587-002	AP	1	`3a93d1ddd44b…`

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.

NDC Listings For This Application#

NDC listings for this application page 1 of 1 · 6 matching rows.

NDC, Name, Nonproprietary name table
NDC	Name	Nonproprietary name	Labeler	Marketing category	Status
0006-3516	PRIMAXIN	imipenem and cilastatin sodium	Merck Sharp & Dohme Corp.	NDA	Current
0006-3516	PRIMAXIN	imipenem and cilastatin sodium	Merck Sharp & Dohme Corp.	NDA	Current
0006-3516	PRIMAXIN	imipenem and cilastatin sodium	Merck Sharp & Dohme Corp.	NDA	Current
0006-3516	PRIMAXIN	imipenem and cilastatin sodium	Merck Sharp & Dohme Corp.	NDA	Current
0006-3516	PRIMAXIN	imipenem and cilastatin sodium	Merck Sharp & Dohme LLC	NDA	Current
0006-3516	PRIMAXIN	imipenem and cilastatin sodium	Merck Sharp & Dohme Corp.	NDA	Current

Documents#

Document, Submission type, Date table
Document	Submission type	Date
70052	SUPPL	2022-02-02
69999	SUPPL	2022-01-31
57691	ORIG	2019-02-15
56883	SUPPL	2018-12-21
56740	SUPPL	2018-12-14
46448	SUPPL	2016-12-21
46270	SUPPL	2016-12-20
17905	SUPPL	2014-12-17
7855	SUPPL	2014-12-17
7854	SUPPL	2012-04-18
39013	SUPPL	2012-04-16
30126	SUPPL	2009-11-20
39012	SUPPL	2009-09-22
7853	SUPPL	2008-12-19
42652	SUPPL	2008-08-11
22164	SUPPL	2008-08-01
30125	SUPPL	2008-04-02
39011	SUPPL	2008-04-01
42658	SUPPL	2008-02-19
42657	SUPPL	2008-02-19
42653	SUPPL	2008-02-19
42651	SUPPL	2008-02-19
22163	SUPPL	2008-02-19
42656	SUPPL	2007-11-19
42655	SUPPL	2007-11-19
42654	SUPPL	2007-11-19
30124	SUPPL	2006-08-07
7852	SUPPL	2004-05-26
30123	SUPPL	2003-03-10
7851	SUPPL	2001-11-30
39010	SUPPL	1998-04-08
7850	SUPPL	1998-04-08