| Product Name: |
Fluralaner |
| Synonyms: |
Fluralaner;4-(5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)-2-methyl-N-(2-oxo-2-(2,2,2-trifluoroethylamino)ethyl)benzamide;4-[(5R)-5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4H-1,2-oxazol-3-yl]-2-methyl-N-[2-oxo-2-(2,2,2-trifluoroethylamino)ethyl]benzamide;A1443; AH252723;AH252723;Benzamide, 4-[5-(3,5-dichlorophenyl)-4,5-dihydro-5-(trifluoromethyl)-3-isoxazolyl]-2-methyl-N-[2-oxo-2-[(2,2,2-trifluoroethyl)amino]ethyl]-;Fluralaner fandachem |
| CAS: |
864731-61-3 |
| MF: |
C22H17Cl2F6N3O3 |
| MW: |
556.29 |
| EINECS: |
689-035-6 |
| Product Categories: |
1 |
| Mol File: |
864731-61-3.mol |
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| Fluralaner Chemical Properties |
| density |
1.51±0.1 g/cm3(Predicted) |
| pka |
12.50±0.46(Predicted) |
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| Fluralaner Usage And Synthesis |
| Description |
Fluralaner (INN) is a systemic insecticide and acaricide that is administered orally. The U.S. Food and Drug Administration (FDA) approved it under the trade name Bravecto for flea treatment in dogs in May 2014. The EU approved the drug in February 2014. Australia approved it for the treatment and prevention of ticks and fleas on dogs in January 2015. |
| Uses |
Fluralaner is an insecticide and acaricide used to treat Sarcoptes scabiei var. canis infestation in dogs. Flea treatment. A possible anti-malarial found to kill disease-spreading mosquitoes when they bite treated people. |
| Mode of action |
Fluralaner inhibits γ-aminobutyric acid (GABA)-gated chloride channels (GABAA receptors) and L-glutamate-gated chloride channels (GluCls). Potency of fluralaner is comparable to fipronil (a related GABA-antagonist insecticide and acaricide). |
| Pharmacodynamic properties |
Fluralaner is an acaricide and insecticide. It is efficacious against ticks (Ixodes spp., Dermacentor spp. and Rhipicephalus sanguineus) and fleas (Ctenocephalides spp.) on the dog.
Fluralaner has a high potency against ticks and fleas by exposure via feeding, i.e. it is systemically active on target parasites.
Fluralaner is a potent inhibitor of parts of the arthropod nervous system by acting antagonistically on ligand-gated chloride channels (GABA-receptor and glutamate-receptor).
In molecular on-target studies on insect GABA receptors of flea and fly, fluralaner is not affected by dieldrin resistance. In in vitro bio-assays, fluralaner is not affected by proven field resistances against amidines (tick), organophosphates (tick, mite), cyclodienes (tick, flea, fly), macrocyclic lactones (sea lice), phenylpyrazoles (tick, flea), benzophenyl ureas (tick), pyrethroids (tick, mite) and carbamates (mite).
The product contributes towards the control of the environmental flea populations in areas to which treated dogs have access.
Newly emerged fleas on a dog are killed before viable eggs are produced. An in vitro study also demonstrated that very low concentrations of fluralaner stop the production of viable eggs by fleas. The flea life cycle is broken due to the rapid onset of action and long lasting efficacy against adult fleas on the animal and the absence of viable egg production. |
| Pharmacokinetics |
Following oral administration, fluralaner is readily absorbed reaching maximum plasma concentrations within 1 day. Food enhances the absorption. Fluralaner is systemically distributed and reaches the highest concentrations in fat, followed by liver, kidney and muscle. The prolonged persistence and slow elimination from plasma (t1/2 = 12 days) and the lack of extensive metabolism provide effective concentrations of fluralaner for the duration of the inter-dosing interval. Individual variation in Cmax and t1/2 was observed. The major route of elimination is the excretion of unchanged fluralaner in faeces (~90% of the dose). Renal clearance is the minor route of elimination. |
| Drug interactions |
Fluralaner is highly bound to plasma proteins and might compete with other highly bound drugs such as non-steroidal anti-inflammatory drugs (NSAIDs) and the cumarin derivative warfarin. Incubation of fluralaner in the presence of carprofen or warfarin in dog plasma at maximum expected plasma concentrations did not reduce the protein binding of fluralaner, carprofen or warfarin.
During clinical field testing, no interactions between Bravecto chewable tablets for dogs and routinely used veterinary medicinal products were observed. |
| Overdosage |
No adverse reactions were observed following oral administration to puppies aged 8–9 weeks and weighing 2.0–3.6 kg treated with overdoses of up to 5 times the maximum recommended dose (56 mg, 168 mg and 280 mg fluralaner/kg bodyweight) on three occasions at shorter intervals than recommended (8-week intervals).
There were no findings on reproductive performance and no findings of concern on offspring viability when fluralaner was administered orally to Beagle dogs at overdoses of up to 3 times the maximum recommended dose (up to 168 mg/kg bodyweight of fluralaner).
The veterinary medicinal product was well tolerated in Collies with a deficient multidrug-resistanceprotein 1 (MDR1 -/-) following single oral administration at 3 times the recommended dose (168 mg/kg bodyweight). No treatment-related clinical signs were observed. |
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Fluralaner Preparation Products And Raw materials
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