Chemical formula: C₂₂H₂₄ClN₃O Molecular mass: 381.898 g/mol PubChem compound: 2267
Azelastine, a phthalazinone derivative is classified as a potent long-acting anti-allergic compound with selective H1 antagonist properties. An additional anti-inflammatory effect could be detected after topical ocular administration. Data from in vivo (pre-clinical) and in vitro studies show that azelastine inhibits the synthesis or release of the chemical mediators known to be involved in early and late stage allergic reactions e.g. leukotriene, histamine, PAF and serotonin.
This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:
| ATC code | Group title | Classification |
|---|---|---|
| R01AC03 | Azelastine | R Respiratory system → R01 Nasal preparations → R01A Decongestants and other nasal preparations for topical use → R01AC Antiallergic agents, excl. corticosteroids |
| R06AX19 | Azelastine | R Respiratory system → R06 Antihistamines for systemic use → R06A Antihistamines for systemic use → R06AX Other antihistamines for systemic use |
| S01GX07 | Azelastine | S Sensory organs → S01 Ophthalmologicals → S01G Decongestants and antiallergics → S01GX Other antiallergics |
Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):
| Title | Information Source | Document Type | |
|---|---|---|---|
| RHINOLAST Nasal spray | Medicines & Healthcare Products Regulatory Agency (GB) | MPI, EU: SmPC | |
| OPTILAST Eye drops | Medicines & Healthcare Products Regulatory Agency (GB) | MPI, EU: SmPC |
Azelastine is an active ingredient of these brands:
United States (US)Austria (AT)
Brazil (BR)
Canada (CA)
Croatia (HR)
Ecuador (EC)Estonia (EE)
Finland (FI)
France (FR)
Hong Kong (HK)Ireland (IE)Lithuania (LT)
Malta (MT)Mozambique (MZ)
Netherlands (NL)
New Zealand (NZ)Poland (PL)
Romania (RO)
Singapore (SG)South Africa (ZA)Spain (ES)Tunisia (TN)
Turkey (TR)
United Kingdom (UK)Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide. |
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