metformin hydrochloride; sitagliptin phosphate · Msd Sub Merck · NDA 022044

Janumet

Earliest generic entry, as listed · earliest of 2 marketed strengths
21 Jan 2029

Blocked by patent: US 8414921 (pediatric extension).

FDA has approved 2 generic applications (ANDAs) for Janumet, though its earliest generic-entry date is 21 Jan 2029 as listed. A generic can be approved before that date when it leaves out a patented use (a section viii carve-out), challenges a patent, or settles with the brand company. An approval is not a launch: cliffwatch does not track launches. Approval is not launch

Listed patents · 2 unexpired

4 Orange Book listing rows for 2 patents, including 2 pediatric extensions. FDA lists a patent once for each use code, and lists its pediatric extension as a separate row.

PatentClaimsExpires
US 8414921drug product, use U-103621 Jan 2029
US 8414921 listing rowdrug product, use U-103621 Jul 2028
US 8414921 listing rowpediatric extension · sets the listed date21 Jan 2029
US 7326708drug substance, drug product, use U-80224 May 2027
US 7326708 listing rowdrug substance, drug product, use U-80224 Nov 2026
US 7326708 listing rowpediatric extension24 May 2027

Exclusivities · 0 unexpired

No unexpired exclusivities listed.

Paragraph IV certifications · 0

No Paragraph IV certification listed by FDA for this drug.

The list shows that a generic applicant certified to FDA that a listed patent is invalid or not infringed. It does not show litigation, settlements or launch timing.

Event history

  • Generic approved · ANDA 202426, Apotex · 022044-001Approved 30 Apr 2026Detected 25 Oct 2026Historical import
  • Generic tentatively approved · ANDA 208535, Zydus Pharms Usa Inc · 022044-001Tentative approval 30 Jun 2026Detected 25 Oct 2026Historical import
  • First generic approved · ANDA 202388, Sandoz · 022044-001Approved 2 Dec 2025Detected 25 Oct 2026Historical import
  • Generic approved · ANDA 202388, Sandoz · 022044-001Approved 2 Dec 2025Detected 25 Oct 2026Historical import

Products covered · 2

NDA · productFormStrengthListed expiry
022044 · 001 · RLDtablet, oral500MG;EQ 50MG BASE21 Jan 2029
022044 · 002 · RLDtablet, oral1GM;EQ 50MG BASE21 Jan 2029