What are Sympathomimetic agent and antihistamine drugs?

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Sympathomimetic agent and antihistamine drugs are pharmacologic agents that share a common mechanism (typically targeting Alpha-adrenergic receptor (alpha-1 adrenergic receptor) and H1 receptor). 0 are currently marketed, with 2 more in clinical development.

Sympathomimetic agent and antihistamine

0 marketed 1 in Phase 3 1 in Phase 2

This page covers all Sympathomimetic agent and antihistamine drugs tracked by Drug Landscape: marketed products and active clinical-stage compounds, targeting Alpha-adrenergic receptor (alpha-1 adrenergic receptor) and H1 receptor, beta-2 adrenergic receptor.

Targets

Alpha-adrenergic receptor (alpha-1 adrenergic receptor) and H1 receptor · beta-2 adrenergic receptor

Phase 3 pipeline (1)

Naphazoline hydrocloride + Pheniramine Maleate + Panthenol · EMS · Ophthalmology
Naphazoline hydrochloride is a sympathomimetic agent that acts as an alpha-adrenergic agonist, while pheniramine maleate is an antihistamine that exerts its effects by competitively inhibiting the action of histamine at the H1 receptor. Panthenol, a form of vitamin B5, has moisturizing and soothing properties.

Phase 2 pipeline (1)

Arm T1: Primatene Mist HFA · Amphastar Pharmaceuticals, Inc. · Respiratory
Primatene Mist HFA is a bronchodilator that contains epinephrine, which works by relaxing the muscles in the airways and increasing air flow to the lungs.

Patent intelligence

sympathomimetic agent patent landscape — aggregated cliff calendar, attackable patents, originator estates