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Niaprazine
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| Systematic (IUPAC) name | |
| N-[4-[4-(4-fluorophenyl)piperazin-1-yl]butan-2-yl]pyridine-3-carboxamide | |
| Identifiers | |
| CAS number | |
| ATC code | N05 |
| PubChem | |
| Chemical data | |
| Formula | C20H25FN4O |
| Mol. mass | 356.437 |
| Pharmacokinetic data | |
| Bioavailability | ? |
| Metabolism | ? |
| Half life | 4.53 hours (± 0.86) |
| Excretion | ? |
| Therapeutic considerations | |
| Pregnancy cat. |
? |
| Legal status | |
| Routes | Oral |
Niaprazine (Nopron) is a piperazine derivative drug which acts as a sedating antihistamine. It was invented in the 1970s [1], and is used in France, Italy and other European countries. It is mainly prescribed for its relatively strong sedative effects rather than as an antihistamine, and is used mainly for treating autism [2] and insomnia [3] in children and adolescents.
Side effects
Common side effects are: sedation during the day (especially during the first few days of treatment) and dizziness. Less common side effect is headache during the day.
Method of Action
Niaprazine is a potent antagonist of the Histamine H1 receptor and is also an agonist at the serotonin receptors 5HT1A, 5HT2A and 5HT2C via its metabolite pFPP. Niaprazine enhances slow wave sleep.[4]
References
- ^ Duchene-Marullaz P, Rispat G, Perriere JP, Hache J, Labrid C. Some pharmacodynamical properties of niaprazine, a new antihistaminic agent. (French) Therapie. 1971 Nov-Dec;26(6):1203-9.
- ^ Rossi PG, Posar A, Parmeggiani A, Pipitone E, D'Agata M. Niaprazine in the treatment of autistic disorder. Journal of Child Neurology. 1999 Aug;14(8):547-50.
- ^ Younus M, Labellarte MJ. Insomnia in children: when are hypnotics indicated? Paediatric Drugs. 2002;4(6):391-403.
- ^ ZUCCONI et al. 1988, KALES: The pharmacology of sleep, 1995
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- This page was last modified on 5 May 2008, at 04:26.
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