Last Updated: August 3, 2026

pentostatin - Profile

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What are the generic sources for pentostatin and what is the scope of freedom to operate?

Pentostatin is the generic ingredient in two branded drugs marketed by Hospira Inc, Rising, and West-ward Pharms Int, and is included in three NDAs. Additional information is available in the individual branded drug profile pages.

Summary for pentostatin

US Patents:	0
Tradenames:	2
Applicants:	3
NDAs:	3

US Patents and Regulatory Information for pentostatin

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Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Hospira Inc	NIPENT	pentostatin	INJECTABLE;INJECTION	020122-001	Oct 11, 1991	AP	RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Rising	PENTOSTATIN	pentostatin	INJECTABLE;INJECTION	203554-001	Sep 19, 2014		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
West-ward Pharms Int	PENTOSTATIN	pentostatin	INJECTABLE;INJECTION	077841-001	Aug 7, 2007	AP	RX	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

Expired US Patents for pentostatin

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Hospira Inc	NIPENT	pentostatin	INJECTABLE;INJECTION	020122-001	Oct 11, 1991	3,923,785	⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

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