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Date: Monday, June 24, 2024 10:44

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Release 3.118
Nelio® 2.5 mg and 5 mg Tablets for Cats
Species: Cats
Therapeutic indication: Pharmaceuticals: Cardiovascular and respiratory preparations
Active ingredient: Benazepril Hydrochloride
Product:Nelio® 2.5 mg and 5 mg Tablets for Cats
Product index: Nelio 2.5 & 5 mg Tablets for Cats
Qualitative and quantitative composition
Active substance:
Each Nelio 2.5 mg tablet contains: Benazepril hydrochloride 2.5 mg
Each Nelio 5 mg tablet contains: Benazepril hydrochloride 5 mg
For a full list of excipients, see Pharmaceutical particulars.
Pharmaceutical form
Nelio 2.5 mg: oblong scored beige tablet, divisible into halves.
Nelio 5 mg: clover shaped scored beige tablet, divisible into halves or quarters.
Clinical particulars
Target species
Indications for use, specifying the target species
Reduction of proteinuria associated with chronic kidney disease.
Do not use in case of hypersensitivity to the active substance or to any of the excipients.
Do not use in cases of hypotension, hypovolaemia, hyponatraemia or acute renal failure.
Do not use in cases of cardiac output failure due to aortic or pulmonary stenosis.
Do not use during pregnancy or lactation (see section Use during pregnancy, lactation or lay).
Special warnings for each target species
Special precautions for use
Special precautions for use in animals
Efficacy and safety of benazepril have not been established in cats of weight less than 2.5 kg
No evidence of renal toxicity to the veterinary medicinal product has been observed in cats during clinical trials, however, as is routine in cases of chronic kidney disease, it is recommended to monitor plasma creatinine, urea and erythrocyte counts during therapy.
Special precautions to be taken by the person administering the product to animals
Wash hands after use.
In case of accidental oral ingestion, seek medical advice immediately and show the label to the physician.
Pregnant women should take special care to avoid accidental oral exposure, because angiotensin converting enzyme (ACE) inhibitors have been found to affect the unborn child during pregnancy in humans.
Adverse reactions (frequency and seriousness)
In cats with chronic kidney disease, the product may increase plasma creatinine concentrations at the start of therapy. A moderate increase in plasma creatinine concentrations following administration of ACE inhibitors is compatible with the reduction in glomerular hypertension induced by these agents, and therefore is not necessarily a reason to stop therapy in the absence of other signs.
The product may increase food consumption and body weight.
Emesis, anorexia, dehydration, lethargy and diarrhoea have been reported in rare occasions.
Use during pregnancy, lactation or lay
Do not use during pregnancy or lactation. The safety of the product has not been established in breeding, pregnant or lactating cats. Benazepril reduced ovary / oviduct weights in cats when administered daily at 10 mg/kg for 52 weeks. Embryotoxic effects (foetal urinary tract malformation) were seen in trials with laboratory animals (rats) at maternally nontoxic doses.
Interaction with other medicinal products and other forms of interaction
In humans, the combination of ACE inhibitors and Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) can lead to reduced anti-hypertensive efficacy or impaired renal function. The combination of the product and other anti-hypertensive agents (e.g. calcium channel blockers, β-blockers or diuretics), anaesthetics or sedatives may lead to additive hypotensive effects. Therefore, concurrent use of NSAIDs or other medications with a hypotensive effect should be considered with care. Renal function and signs of hypotension (lethargy, weakness etc) should be monitored closely and treated as necessary. Interactions with potassium preserving diuretics like spironolactone, triamterene or amiloride cannot be ruled out. It is recommended to monitor plasma potassium levels when using the product in combination with a potassium sparing diuretic because of the risk of hyperkalaemia.
Amounts to be administered and administration route
The product should be given orally once daily, with or without food. The duration of treatment is unlimited. The product tablets are flavoured and are taken voluntarily by most cats. Cats: The product should be administered orally at a minimum dose of 0.5 mg (range 0.5- 1.0) benazepril hydrochloride/kg body weight once daily according to the following table:
2.5 - 5 kg cat
>5 - 10 kg cat
Number of 2.5 mg tablets
Number of 5 mg tablets
In case of use of half tablets: Put the remaining half of the tablet back into the blister pocket and use for the next administration.
Instruction on how to divide the tablet: Put the tablet on an even surface, with its scored side facing down (convex face up). With the tip of the forefinger, exert slight vertical pressure on the middle of the tablet to break it along its width into halves. Then, in order to obtain quarters, exert slight pressure on the middle of one half with the forefinger to break it into two parts.
Overdose (symptoms, emergency procedures, antidotes), if necessary
The product reduced erythrocyte counts in normal cats when dosed at 10 mg/kg body weight once daily for 12 months but this effect was not observed at the recommended dose during clinical trials in cats.
Transient reversible hypotension may occur in cases of accidental overdose. Therapy should consist of intravenous infusion with warm isotonic saline.
Withdrawal period(s)
Not applicable
Pharmacological particulars
Pharmacotherapeutic group: Cardiovascular system, ACE inhibitor, benazepril. ATCvet code: QC09AA07
Pharmacodynamic properties
Benazepril hydrochloride is a prodrug hydrolysed in vivo to its active metabolite, benazeprilat.
Benazeprilat is a highly potent and selective inhibitor of ACE, thus preventing the conversion of inactive angiotensin I to active angiotensin II and thereby also reducing synthesis of aldosterone. Therefore, it blocks effects mediated by angiotensin II and aldosterone, including vasoconstriction of both arteries and veins, retention of sodium and water by the kidney and remodelling effects (including pathological cardiac hypertrophy and degenerative renal changes).
The product causes long-lasting inhibition of plasma ACE activity in cats, with more than 95% inhibition at peak effect and significant activity (>90%) persisting 24 hours after dosing.
In cats with experimental renal insufficiency, the product normalized the elevated glomerular capillary pressure and reduced the systemic blood pressure.
Reduction in glomerular hypertension may retard the progression of kidney disease by inhibition of further damage to the kidneys. Placebo controlled clinical field studies in cats with chronic kidney disease (CKD) have demonstrated that the product significantly reduced levels of urine protein and urine protein to creatinine ratio (UPC); this effect is probably mediated via reduced glomerular hypertension and beneficial effects on the glomerular basement membrane.
No effect of the product on survival in cats with CKD has been shown, but the product increased the appetite of the cats, particularly in more advanced cases
Pharmacokinetic properties
After oral administration of benazepril hydrochloride, peak levels of benazepril are attained rapidly (Tmax 2 hours) and decline quickly as the active substance is partially metabolised by liver enzymes to benazeprilat. The systemic bioavailability is incomplete due to incomplete absorption (<30% in cats) and first pass metabolism.
Peak benazeprilat concentrations (Cmax of 110.0 ng/ml after a dose of 0.65 mg/kg benazepril hydrochloride) are achieved with a Tmax of 1 hour and half.
Benazeprilat concentrations decline biphasically: the initial fast phase (t1/2=2.4 hours) represents elimination of free drug, while the terminal phase (t1/2=29 hours) reflects the release of benazeprilat that was bound to ACE, mainly in the tissues.
Benazepril and benazeprilat are extensively bound to plasma proteins (85-90%), and in tissues are found mainly in the liver and kidney.
Repeated administration of the product leads to slight bioaccumulation of benazeprilat (R=1.36 with 0.5 mg/kg), steady state being achieved within a few days.
Benazeprilat is excreted 85% via the biliary and 15% via the urinary route. The clearance of benazeprilat is not affected in cats with impaired renal function and therefore no adjustment of the product dose is required in cases of renal insufficiency.
Pharmaceutical particulars
Pig liver flavour, Yeast, Lactose monohydrate, Croscarmellose sodium, Anhydrous colloidal silica, Hydrogenated castor oil, Microcrystalline cellulose.
Not known.
Shelf life
Nelio 2.5 mg:
Shelf life of the veterinary medicinal product as packaged for sale: 24 months.
Shelf-life of divisions of the tablets: 24 hours
Nelio 5 mg:
Aluminium/Aluminium heat-sealed blister pack 10 tablets per strip : 1 year.
Poylamide-Aluminium-Desicant/Aluminium heat-sealed blister pack 10 tablets per strip : 2 years
Shelf-life of divisions of the tablets: 72 hours
Special precautions for storage
Nelio 2.5mg:
Do not store above 25°C. Store in original package. Any part-used tablet should be returned to the opened blister and used within 24 hours
Nelio 5mg:
Do not store above 25°C. Store in original package in order to protect from moisture. Any part-used tablet should be returned to the opened blister and used within 72 hours.
Nature and composition of immediate packaging
Nelio 2.5 mg Tablets: Aluminium/Aluminium heat-sealed blister pack 10 tablets per strip.
Box with 1 strip of 10 tablets; Box with 2 strips of 10 tablets; Box with 5 strips of 10 tablets; Box with 10 strips of 10 tablets; Box with 14 strips of 10 tablets; Box with 18 strips of 10 tablets.
Nelio 5 mg Tablets:
Aluminium/Aluminium heat-sealed blister pack 10 tablets per strip
Polyamide-Aluminium-Desicant/Aluminium heat-sealed blister pack 10 tablets per strip.
Box with 1 strip of 10 tablets
Box with 2 strips of 10 tablets
Box with 3 strips of 10 tablets
Box with 5 strips of 10 tablets
Box with 10 strips of 10 tablets
Box with 20 strips of 10 tablets
Box with 50 strips of 10 tablets
Not all pack sizes may be marketed.
Special precautions for the disposal of unused veterinary medicinal product or waste materials derived from the use of such products
Any unused veterinary medicinal product or waste materials derived from such veterinary medicinal products should be disposed of in accordance with local requirements.
Marketing Authorisation Number
UK: Vm 15052/4107 and 15052/4109
Significant changes
Date of the first authorisation or date of renewal
Nelio 2.5 mg Tablets for Cats: 16 February 2010
Nelio 5 mg Tablets for Cats: 27 February 2009
Date of revision of the text
2.5mg: October 2022
5mg: February 2024
Any other information
Legal category
Legal category: POM-V
GTIN description:Nelio 2.5 mg 10x10T
GTIN description:Nelio 5 mg 10x10T