Selaspot 45 mg Spot-on Solution for Cats 2.6 – 7.5 kg

Composition

Each 0.75 ml pipette contains:

Active substance:

Selamectin 45 mg

Excipients:

Butylhydroxytoluene (E321) 0.6 mg

For the full list of excipients, see section 6.1.

6.1 List of excipients

Butylhydroxytoluene (E321)

Dipropylene glycol monomethyl ether

Isopropyl alcohol

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Pharmaceutical form

Spot-on solution.

Clear, colourless to slightly yellow solution.

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Pharmacological properties

Pharmacotherapeutic group: antiparasitic products, insecticides and repellents, macrocyclic lactones.

ATC vet code: QP54AA05.

5.1 Pharmacodynamic properties

Selamectin is a semi-synthetic compound of the avermectin class. Selamectin paralyses and/or kills a wide range of invertebrate parasites through interference with their chloride channel conductance causing disruption of normal neurotransmission. This inhibits the electrical activity of nerve cells in nematodes and muscle cells in arthropods leading to their paralysis and/or death.

Selamectin has adulticidal, ovicidal and larvicidal activity against fleas. Therefore, it effectively breaks the flea life cycle by killing adults (on the animal), preventing the hatching of eggs (on the animal and in its environment) and by killing larvae (environment only). Debris from selamectin-treated pets kills flea eggs and larvae not previously exposed to selamectin and thus may aid in the control of existing environmental flea infestations in areas to which the animal has access.

Activity has also been demonstrated against heartworm larvae.

5.2 Pharmacokinetic particulars

Following spot on administration selamectin is absorbed from the skin reaching maximum plasma concentrations approximately 1 day after administration in cats. Following absorption from the skin selamectin distributes systemically and is slowly eliminated from plasma as manifested in detectable plasma concentrations in cats 30 days after administration of a single topical dose at 6 mg/kg. The prolonged persistence and slow elimination of selamectin from plasma is reflected in the terminal elimination half-life values of 8 days in cats. The systemic persistence of selamectin in plasma and the lack of extensive metabolism provide effective concentrations of selamectin for the duration of the inter-dosing interval (30 days).

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Target species

Cats (2.6–7.5 kg).

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Indications

Treatment and prevention of flea infestations caused by Ctenocephalides spp. for one month following a single administration. This is as a result of the adulticidal, larvicidal and ovicidal properties of the product. The product is ovicidal for 3 weeks after administration. Through a reduction in the flea population, monthly treatment of pregnant and lactating animals will also aid in the prevention of flea infestations in the litter up to seven weeks of age. The product can be used as part of a treatment strategy for flea allergy dermatitis and through its ovicidal and larvicidal action may aid in the control of existing environmental flea infestations in areas to which the animal has access.

Prevention of heartworm disease caused by Dirofilaria immitis with monthly administration. The product may be safely administered to animals infected with adult heartworms, however, it is recommended, in accordance with good veterinary practice, that all animals 6 months of age or more living in countries where a vector exists should be tested for existing adult heartworm infections before beginning medication with the product. This product is not effective against adult D. immitis.

Treatment of ear mites (Otodectes cynotis).

Treatment of biting lice infestations (Felicola subrostratus).

Treatment of adult roundworms (Toxocara cati).

Treatment of adult intestinal hookworms (Ancylostoma tubaeforme).

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Dosage

The product should be administered as a single application of a single dose delivering a minimum of 6 mg/kg selamectin. When concurrent infestations or infections in the same animal are to be treated with the veterinary medicinal product, only one application of the recommended 6 mg/kg dose should be administered at any one time. The appropriate length of the treatment period for individual parasites is specified below.

Administer in accordance with the following table:

Flea treatment and prevention

Following administration of the veterinary medicinal product, the adult fleas on the animal are killed, no viable eggs are produced, and larvae (found only in the environment) are also killed. This stops flea reproduction, breaks the flea lifecycle and may aid in the control of existing environmental flea infestations in areas to which the animal has access.

For the prevention of flea infestations, the veterinary medicinal product should be administered at monthly intervals throughout the flea season, starting one month before fleas become active. Through a reduction in the flea population, monthly treatment of pregnant and lactating animals will aid prevention of flea infestations in the litter up to seven weeks of age.

For use as part of a treatment strategy for flea allergy dermatitis the veterinary medicinal product should be administered at monthly intervals.

Prevention of heartworm disease

The veterinary medicinal product may be administered year-round or at least within one month of the animal’s first exposure to mosquitoes and monthly thereafter until the end of the mosquito season. The final dose must be given within one month after the last exposure to mosquitoes. If a dose is missed and a monthly interval between dosing is exceeded then immediate administration of the veterinary medicinal product and resumption of monthly dosing will minimise the opportunity for the development of adult heartworms. When replacing another heartworm preventive veterinary medicinal product in a heartworm disease prevention programme, the first dose of the veterinary medicinal product must be given within a month of the last dose of the former medication.

Treatment of roundworm infections

A single dose of the veterinary medicinal product should be administered.

Treatment of biting lice

A single dose of the veterinary medicinal product should be administered.

Treatment of ear mites

A single dose of the veterinary medicinal product should be administered.

Treatment of hookworm infections

A single dose of the veterinary medicinal product should be administered.

Method and route of administration:

Spot-on use.

Apply to the skin at the base of the neck in front of the shoulder blades.

How to apply:

Remove the pipette from its protective package

Holding the pipette upright, firmly depress the cap to puncture the applicator seal, then remove the cap.

Part the hair at the base of your animal’s neck in front of the shoulder blades to expose a small area of skin.

Apply the tip of the pipette directly to the skin without massaging. Squeeze the pipette firmly to empty the contents in one spot. Avoid contact between the product and your fingers.

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Contraindications

Do not use in animals under 6 weeks of age.

Do not use in cats that are suffering from concomitant disease, or are debilitated and underweight (for size and age).

Do not use in cases of hypersensitivity to the active substance or to any of the excipients.

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Adverse reactions

Use of the veterinary medicinal product in cats has on rare occasions been associated with a mild transient alopecia at the site of application. On very rare occasions transient focal irritation may also be observed. The alopecia and irritation are normally self-resolving, but symptomatic therapy may be applicable in some circumstances.

On rare occasions application of the veterinary medicinal product may produce a local temporary clumping of the hair at the application site and/or an occasional appearance of a small quantity of a white powder. This is normal and will disappear typically within 24 hours of treatment administration and does not affect either the safety or efficacy of the veterinary medicinal product.

Very rarely, as with other macrocyclic lactones, reversible neurological signs, including seizures, have been observed after use of the veterinary medicinal product.

The frequency of adverse reactions is defined using the following convention:

- very common (more than 1 in 10 animals treated displaying adverse reaction(s))

- common (more than 1 but less than 10 animals in 100 animals treated)

- uncommon (more than 1 but less than 10 animals in 1,000 animals treated)

- rare (more than 1 but less than 10 animals in 10,000 animals treated)

- very rare (less than 1 animal in 10,000 animals treated, including isolated reports).

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Warnings

Special precautions for use in animals

This veterinary medicinal product is to be applied to the skin surface only. Do not administer orally or parenterally.

Keep treated animals away from fires and other sources of ignition for at least 30 minutes or until the hair coat is dry.

It is important to apply the dose as indicated to minimise the quantity that the animal can lick off. If significant licking does occur, a brief period of hypersalivation may rarely be observed in cats.

Special precautions to be taken by the person administering the veterinary medicinal product to animals

This product is highly flammable; keep away from heat, sparks, open flames or other sources of ignition.

The product is a skin and eye irritant. Do not smoke, eat or drink while handling the product.

Wash hands after use and wash off any product in contact with the skin immediately with soap and water. If accidental eye exposure occurs, flush the eyes immediately with water and seek medical advice immediately and show the package leaflet or the label to the physician.

Avoid direct contact with treated animals until the application site is dry. On the day of treatment, children must not handle treated animals and the animals should not be permitted to sleep with their owners, especially children. Used pipettes should be disposed of immediately and not left within the sight or reach of children.

People with sensitive skin or known allergy to veterinary medicinal products of this type should handle the veterinary medicinal product with caution.

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Use during pregnancy, lactation or lay

The product can be used in breeding, pregnant and lactating cats.

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Interactions

None known.

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Overdose

No undesirable effects were observed after the administration of 10 times the recommended dose of selamectin. Selamectin was administered at 3 times the recommended dose to cats infected with adult heartworms and no undesirable effects were observed. Selamectin was also administered at 3 times the recommended dose to breeding male and female cats, including pregnant and lactating females nursing their litters, and no undesirable effects were observed.

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Special warnings

Animals may be bathed 2 hours after treatment without loss of efficacy.

Do not apply when the animal’s hair coat is wet. However, shampooing or soaking the animal 2 or more hours after treatment will not reduce the efficacy of the product. For ear mite treatment, do not apply directly to the ear canal.

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Withdrawal period

Not applicable.

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Incompatibilities

Not applicable.

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Immediate packaging

The veterinary medicinal product is in polypropylene single-dose pipettes in an aluminium foil-foil blister cards. The pipettes have blue caps, contain 0.75 ml of 60 mg/ml solution and deliver 45 mg of selamectin.

Selaspot 45 mg for cats is available in packs of three pipettes and six pipettes. Not all pack sizes may be marketed.

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Storage

Store in the original blister package in order to protect from light.

This veterinary medicinal product does not require any special temperature storage conditions.

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Shelf life

Shelf life of the veterinary medicinal product as packaged for sale: 3 years.

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Disposal of unused product

Any unused veterinary medicinal product or waste materials derived from such veterinary medicinal product should be disposed of in accordance with local requirements.

The product should not enter water courses as this may be dangerous for fish and other aquatic organisms. Containers and residual contents should be disposed of along with collected domestic refuse to avoid contamination of any water courses.

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Additional information

8 MARKETING AUTHORISATION NUMBER

Vm 50146/4048

9 DATE OF FIRST AUTHORISATION

22 March 2023

10 DATE OF REVISION OF THE TEXT

June 2023

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Registration holder

Bimeda Animal Health Limited

2 / 3 / 4 Airton Close

Tallaght

Dublin 24

Ireland

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