rifabutin · Pfizer · NDA 050689

Mycobutin

Earliest generic entry, as listed
Open now

No unexpired patents or exclusivities are listed for this product.

Listed patents · 0 unexpired

No unexpired patents listed.

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 212430, Pharmazone · 050689-001Approved 19 Mar 2026Detected 25 Oct 2026Historical import
  • Generic approved · ANDA 219519, Zydus Lifesciences · 050689-001Approved 21 Aug 2026Detected 25 Oct 2026Historical import

Products covered · 1

NDA · productFormStrengthListed expiry
050689 · 001 · RLDcapsule, oral150MGopen