Pemirolast

Pemirolast (INN) is a mast cell stabilizer used as an anti-allergic drug therapy. It is marketed under the tradenames Alegysal and Alamast.

Pemirolast
Clinical data
Trade namesAlamast
AHFS/Drugs.comMonograph
Pregnancy
category
  • US: C (Risk not ruled out)
    Routes of
    administration    		Oral, ophthalmic
    ATC code
    • none
    Legal status
    Legal status
    • In general: ℞ (Prescription only)
    Identifiers
    CAS Number
    PubChem CID
    IUPHAR/BPS
    DrugBank
    ChemSpider
    UNII
    KEGG
    ChEMBL
    CompTox Dashboard (EPA)
    Chemical and physical data
    FormulaC10H8N6O
    Molar mass228.21 g/mol g·mol−1
    3D model (JSmol)
     NY (what is this?)  (verify)

    Clinical trials studying treatments for allergic conjunctivitis have found that an ophthalmic solution containing levocabastine with pemirolast potassium may be more effective in alleviating symptoms than levocabastine alone.[1]

    It has also been studied for the treatment of asthma.

    References
    1. Castillo M, Scott NW, Mustafa MZ, Mustafa MS, Azuara-Blanco A (2015). "Topical antihistamines and mast cell stabilisers for treating seasonal and perennial allergic conjunctivitis". Cochrane Database Syst Rev. 6 (6): CD009566. doi:10.1002/14651858.CD009566.pub2. hdl:2164/6048. PMID 26028608.CS1 maint: uses authors parameter (link)
    • Tinkelman DG, Berkowitz RB (February 1991). "A pilot study of pemirolast in patients with seasonal allergic rhinitis". Ann Allergy. 66 (2): 162–5. PMID 1994787.
    • Kawashima T, Iwamoto I, Nakagawa N, Tomioka H, Yoshida S (1994). "Inhibitory effect of pemirolast, a novel antiallergic drug, on leukotriene C4 and granule protein release from human eosinophils". Int. Arch. Allergy Immunol. 103 (4): 405–9. doi:10.1159/000236662. PMID 8130655.
    • Abelson MB, Berdy GJ, Mundorf T, Amdahl LD, Graves AL (October 2002). "Pemirolast potassium 0.1% ophthalmic solution is an effective treatment for allergic conjunctivitis: a pooled analysis of two prospective, randomized, double-masked, placebo-controlled, phase III studies". J Ocul Pharmacol Ther. 18 (5): 475–88. doi:10.1089/10807680260362759. PMID 12419098.
    • Kemp JP, Bernstein IL, Bierman CW, et al. (June 1992). "Pemirolast, a new oral nonbronchodilator drug for chronic asthma". Ann Allergy. 68 (6): 488–91. PMID 1610024.


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