Wednesday, July 8, 2026

Drug profile · INN

difamilast

difamilast (MOIZERTO) is a phosphodiesterase 4 inhibitor. Route of administration: topical. Current US regulatory status: approved.

FDA: approved PMDA: approved
US status approved
Patents linked 0
Pipeline programs 0
News articles 0
Drug details — difamilast
US status
approved
Class
Route
TOPICAL
Patents
0
Programs
0
Data quality
0.84

Quick answer

difamilast (MOIZERTO) is a phosphodiesterase 4 inhibitor. Route of administration: topical. Current US regulatory status: approved.

Key facts

INN difamilast
Brand MOIZERTO
Mechanism Phosphodiesterase 4 inhibitor
Target Phosphodiesterase 4
Route TOPICAL
Formulation OINTMENT

Mechanism of action

Phosphodiesterase 4 inhibitor

Primary target: Phosphodiesterase 4

Approval history

Authority Status Date
FDA approved
PMDA approved

Related & competitor drugs

  1. apremilast Antineoplastic and immunomodulating agents (L04)
  2. roflumilast Respiratory system (R03)
  3. amlexanox Phosphodiesterase 4 inhibitor
  4. crisaborole Dermatologicals (D11)
  5. flavoxate hydrochloride Phosphodiesterase 4 inhibitor

Frequently asked questions

What is difamilast?

difamilast (MOIZERTO) is a phosphodiesterase 4 inhibitor. Route of administration: topical. Current US regulatory status: approved.

What is the brand name for difamilast?

MOIZERTO is a marketed brand name for difamilast. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of difamilast?

difamilast has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.