Last reviewed · How we verify

AN2690 Topical Solution, 5%

Pfizer · Phase 3 active Small molecule

AN2690 is a topical antifungal that inhibits fungal squalene epoxidase, disrupting ergosterol synthesis in the fungal cell membrane.

AN2690 is a topical antifungal that inhibits fungal squalene epoxidase, disrupting ergosterol synthesis in the fungal cell membrane. Used for Onychomycosis (fungal nail infection).

At a glance

Generic nameAN2690 Topical Solution, 5%
SponsorPfizer
Drug classTopical antifungal (squalene epoxidase inhibitor)
TargetSqualene epoxidase
ModalitySmall molecule
Therapeutic areaDermatology / Infectious Disease
PhasePhase 3

Mechanism of action

The drug works by blocking squalene epoxidase, a key enzyme in the synthesis of ergosterol, which is essential for fungal cell membrane integrity. This leads to accumulation of toxic sterol precursors and fungal cell death. It is designed for topical application to treat fungal nail infections (onychomycosis).

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape: