methylene blue · Provepharm Sas · NDA 204630

Provayblue

Earliest generic entry, as listed · earliest of 2 marketed strengths
8 Jan 2027

Blocked by exclusivity: M-303.

FDA has approved 1 generic application (ANDA) for Provayblue, though its earliest generic-entry date is 8 Jan 2027 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 · 0 unexpired

No unexpired patents listed.

Exclusivities · 1 unexpired

M-303miscellaneous (3 years)8 Jan 2027

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 219550, Chengdu Shuode · 204630-001Approved 23 Dec 2025Detected 25 Oct 2026Historical import
  • Exclusivity expires within 90 days M-303 · 204630-001Exclusivity expires 8 Jan 2027Detected 24 Oct 2026
  • Enters 12-month window basis: exclusivity · 204630-001Listed date 8 Jan 2027Detected 24 Oct 2026
  • Exclusivity expires within 90 days M-303 · 204630-002Exclusivity expires 8 Jan 2027Detected 24 Oct 2026
  • Enters 12-month window basis: exclusivity · 204630-002Listed date 8 Jan 2027Detected 24 Oct 2026

Products covered · 2

NDA · productFormStrengthListed expiry
204630 · 001 · RLDsolution, intravenous50MG/10ML (5MG/ML)8 Jan 2027
204630 · 002 · RLDsolution, intravenous10MG/2ML (5MG/ML)8 Jan 2027