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Last Updated: November 7, 2024

MEGACE ES Drug Patent Profile


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Which patents cover Megace Es, and when can generic versions of Megace Es launch?

Megace Es is a drug marketed by Endo Operations and is included in one NDA. There are five patents protecting this drug and one Paragraph IV challenge.

This drug has thirty-six patent family members in nineteen countries.

The generic ingredient in MEGACE ES is megestrol acetate. There are eighteen drug master file entries for this compound. Sixteen suppliers are listed for this compound. Additional details are available on the megestrol acetate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Megace Es

A generic version of MEGACE ES was approved as megestrol acetate by STRIDES PHARMA on August 8th, 1988.

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Drug patent expirations by year for MEGACE ES
Drug Prices for MEGACE ES

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Recent Clinical Trials for MEGACE ES

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SponsorPhase
National Cancer Institute (NCI)Phase 1/Phase 2
Sunnybrook Health Sciences CentrePhase 1
Ontario Institute for Cancer ResearchPhase 1

See all MEGACE ES clinical trials

Paragraph IV (Patent) Challenges for MEGACE ES
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
MEGACE ES Oral Suspension megestrol acetate 125 mg/mL 021778 1 2011-04-27

US Patents and Regulatory Information for MEGACE ES

MEGACE ES is protected by five US patents.

Patents protecting MEGACE ES

Nanoparticulate megestrol formulations
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF ANOREXIA, CACHEXIA, OR AN UNEXPLAINED, SIGNIFICANT WEIGHT LOSS IN PATIENTS WITH A DIAGNOSIS OF ACQUIRED IMMUNODEFICIENCY SYNDROME (AIDS)

Nanoparticulate megestrol formulations
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF ANOREXIA, CACHEXIA, OR AN UNEXPLAINED, SIGNIFICANT WEIGHT LOSS IN PATIENTS WITH A DIAGNOSIS OF ACQUIRED IMMUNODEFICIENCY SYNDROME (AIDS)

Nanoparticulate megestrol formulations
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF ANOREXIA, CACHEXIA, OR AN UNEXPLAINED, SIGNIFICANT WEIGHT LOSS IN PATIENTS WITH A DIAGNOSIS OF ACQUIRED IMMUNODEFICIENCY SYNDROME (AIDS)

Nanoparticulate megestrol formulations
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF ANOREXIA, CACHEXIA, OR AN UNEXPLAINED, SIGNIFICANT WEIGHT LOSS IN PATIENTS WITH A DIAGNOSIS OF ACQUIRED IMMUNODEFICIENCY SYNDROME (AIDS)

Nanoparticulate megestrol formulations
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF ANOREXIA, CACHEXIA, OR AN UNEXPLAINED, SIGNIFICANT WEIGHT LOSS IN PATIENTS WITH A DIAGNOSIS OF ACQUIRED IMMUNODEFICIENCY SYNDROME (AIDS)

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Endo Operations MEGACE ES megestrol acetate SUSPENSION;ORAL 021778-001 Jul 5, 2005 AB RX Yes Yes ⤷  Sign Up ⤷  Sign Up ⤷  Sign Up
Endo Operations MEGACE ES megestrol acetate SUSPENSION;ORAL 021778-001 Jul 5, 2005 AB RX Yes Yes ⤷  Sign Up ⤷  Sign Up ⤷  Sign Up
Endo Operations MEGACE ES megestrol acetate SUSPENSION;ORAL 021778-001 Jul 5, 2005 AB RX Yes Yes ⤷  Sign Up ⤷  Sign Up Y ⤷  Sign Up
>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 MEGACE ES

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Endo Operations MEGACE ES megestrol acetate SUSPENSION;ORAL 021778-001 Jul 5, 2005 ⤷  Sign Up ⤷  Sign Up
Endo Operations MEGACE ES megestrol acetate SUSPENSION;ORAL 021778-001 Jul 5, 2005 ⤷  Sign Up ⤷  Sign Up
Endo Operations MEGACE ES megestrol acetate SUSPENSION;ORAL 021778-001 Jul 5, 2005 ⤷  Sign Up ⤷  Sign Up
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

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