Last Updated: November 8, 2026

CYTOXAN (LYOPHILIZED) Drug Patent Profile

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When do Cytoxan (lyophilized) patents expire, and when can generic versions of Cytoxan (lyophilized) launch?

Cytoxan (lyophilized) is a drug marketed by Baxter Hlthcare and is included in one NDA.

The generic ingredient in CYTOXAN (LYOPHILIZED) is cyclophosphamide. There is one drug master file entry for this compound. Twenty-six suppliers are listed for this compound. Additional details are available on the cyclophosphamide profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Cytoxan (lyophilized)

A generic version of CYTOXAN (LYOPHILIZED) was approved as cyclophosphamide by BAXTER HLTHCARE on May 21st, 2008.

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Summary for CYTOXAN (LYOPHILIZED)
Recent Clinical Trials for CYTOXAN (LYOPHILIZED)

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SponsorPhase
California Institute for Regenerative Medicine (CIRM)Phase 1
Hideho Okada, MD, PhDPhase 1
National Cancer Institute (NCI)Phase 1

See all CYTOXAN (LYOPHILIZED) clinical trials

US Patents and Regulatory Information for CYTOXAN (LYOPHILIZED)

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Baxter Hlthcare CYTOXAN (LYOPHILIZED) cyclophosphamide INJECTABLE;INJECTION 012142-004 Aug 30, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Baxter Hlthcare CYTOXAN (LYOPHILIZED) cyclophosphamide INJECTABLE;INJECTION 012142-009 Dec 10, 1985 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Baxter Hlthcare CYTOXAN (LYOPHILIZED) cyclophosphamide INJECTABLE;INJECTION 012142-010 Sep 24, 1985 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Baxter Hlthcare CYTOXAN (LYOPHILIZED) cyclophosphamide INJECTABLE;INJECTION 012142-005 Aug 30, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Baxter Hlthcare CYTOXAN (LYOPHILIZED) cyclophosphamide INJECTABLE;INJECTION 012142-008 Jan 4, 1984 DISCN Yes 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 CYTOXAN (LYOPHILIZED)

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Baxter Hlthcare CYTOXAN (LYOPHILIZED) cyclophosphamide INJECTABLE;INJECTION 012142-010 Sep 24, 1985 4,537,883 ⤷  Start Trial
Baxter Hlthcare CYTOXAN (LYOPHILIZED) cyclophosphamide INJECTABLE;INJECTION 012142-008 Jan 4, 1984 4,537,883 ⤷  Start Trial
Baxter Hlthcare CYTOXAN (LYOPHILIZED) cyclophosphamide INJECTABLE;INJECTION 012142-009 Dec 10, 1985 4,537,883 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

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