Last Updated: November 13, 2026

Details for New Drug Application (NDA): 219990

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NDA 219990 describes GWYN LO, which is a drug marketed by Viatris Specialty and is included in one NDA. It is available from one supplier. Additional details are available on the GWYN LO profile page.

The generic ingredient in GWYN LO is ethinyl estradiol; norelgestromin. There is one drug master file entry for this compound. Nine suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; norelgestromin profile page.
Summary for 219990
Tradename:GWYN LO
Applicant:Viatris Specialty
Ingredient:ethinyl estradiol; norelgestromin
Patents:0
Pharmacology for NDA: 219990
Mechanism of ActionEstrogen Receptor Agonists
Suppliers and Packaging for NDA: 219990
Tradename Generic Name Dosage NDA Application Type Supplier National Drug Code Package Code Package
GWYN LO ethinyl estradiol; norelgestromin SYSTEM;TRANSDERMAL 219990 NDA Viatris Specialty LLC 49502-627 49502-627-62 3 POUCH in 1 CARTON (49502-627-62) / 1 PATCH in 1 POUCH (49502-627-61) / 7 d in 1 PATCH

Profile for product number 001

Active Rx/OTC/Discontinued:RXDosage:SYSTEM;TRANSDERMALStrength0.02MG/24HR;0.22MG/24HR
Approval Date:Jul 28, 2026TE:RLD:Yes
Regulatory Exclusivity Expiration:Jul 28, 2029
Regulatory Exclusivity Use:NEW PRODUCT

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