Clean Watchlist Candidate

APRISO

Gastroenterology · Ulcerative colitis, maintenance of remission

APRISO carries use-code patent, low complexity (1/5), and no linked clinical competition (0/5). The listed expiry window is approximately 47 months away. Low barriers across both dimensions — a cleaner first-screen candidate worth early IP attention.

LOE window

47months

to latest listed patent expiry (May 1, 2030)

Expiry attractiveness: 4/5

Patent profile

Substance patent (none)
Product / formulation patent (none)
Use-code patent (listed)

Patent count: 1

Complexity score: 1/5

Clinical competition

Score: 0/5

Active trials linked: 0

Phase 2/3 trials: 0

Higher scores indicate more trial activity for this ingredient — a proxy for competitive generic interest.

Drug overview

Active ingredient: MESALAMINE

Applicant (NDA holder): SALIX PHARMACEUTICALS INC

Confidence: Medium

Market context

Therapeutic area: Gastroenterology

Indication: Ulcerative colitis, maintenance of remission

U.S. market size (est.)< $100M

Estimated U.S. net sales tier. Verify current figures before commercial diligence.