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Lastacaft ®

ORA, Inc. · FDA-approved active Small molecule

Lastacaft is a selective H1-receptor antagonist that blocks histamine-mediated allergic responses in the eye.

Lastacaft is a selective H1-receptor antagonist that blocks histamine-mediated allergic responses in the eye. Used for Allergic conjunctivitis (itching associated with allergic conjunctivitis).

At a glance

Generic nameLastacaft ®
SponsorORA, Inc.
Drug classSelective H1-receptor antagonist (antihistamine)
TargetH1 receptor
ModalitySmall molecule
Therapeutic areaOphthalmology / Allergy
PhaseFDA-approved

Mechanism of action

Lastacaft (alcaftadine) works by competitively antagonizing H1 receptors on mast cells and other immune cells in ocular tissues, preventing histamine release and reducing allergic inflammation. This mechanism provides rapid relief of itching and other allergic symptoms in allergic conjunctivitis by inhibiting the cascade of allergic mediator release.

Approved indications

Common side effects

Key clinical trials

Primary sources

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