Pyratape Paste Data

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Summary of Product Characteristics

 

1.Name of Veterinary Medicinal Product

Pyratape P Horse Wormer

40% w/w Oral Paste

 

2.Qualitative and Quantitative Composition

            Active Substance                                       Per Syringe

           

            Pyrantel embonate                                          11.4g

 

            Excipients                  

 

            Butylated Hydroxytoluene                             0.0057g

 

For full list of excipients, please see section 6.1.

 

3.Pharmaceutical Form

Oral Paste

            Pale yellow to buff coloured paste

 

4.Clinical Particulars

4.1       Target Species

Horses and ponies.

4.2       Indications for use, specifying the target species

 

Pyrantel embonate is a broad spectrum anthelmintic.  Pyrantel embonate is indicated for use in the horse for the control and treatment of adult infections of large and small strongyles, Pinworms, Roundworms, Tapeworms.

Pyrantel embonate has a broad spectrum of activity, including activity against:

 

Large strongyles:         Stronglylus vulgaris, S. edentatus, S. equinus.

Small strongyles:         Trichonema spp. (Cyathostomes), Triodontophorus spp.

Pinworms:                   Oxyuris equi, Probstmayria vivipara.

Large roundworms:     Parascaris equorum.

Tape worms:                Anoplocephala perfoliata.

 

4.3       Contra-indications

Not for use in foals less than 4 weeks of age.

Contraindicated in known sensitivity to pyrantel and in severely debilitated animals.

 

4.4       Special warnings for each target species.

Care should be taken to avoid the following practices because they increase the risk of development of resistence and could ultimately result in ineffective therapy:

 

  • Too frequent and repeated use of anthelmintics from the same class, over an extended period of time.
  • Underdosing, which may be due to underestimation of weight, misadministeration of the product, or lack of calibration of the dosing device(if any).

 

Suspected clinical cases of resistence to anthelmintics should be further investigated using appropriate tests (e.g. Faecal Egg Count Reduction Test). Where the results of the test(s) strongly suggest resistance to a particular anthelminitc, an anthelmintic belonging to another pharmacological class and having a different mode of action should be used.

Resistance to pyrantel has been reported in cyathostomes in horses (also widespread in the USA and Canada). Therefore the use of this product should be based on local (regional, farm) epidemiological information about susceptibility of nematodes and recommendations on how to limit further selection for resistence to anthelmintics.

 

4.5       Special Precautions For Use

Special precautions for use in animals

The same syringe should only be used to dose two animals if they are both healthy and are either running together, or are on the same premises and in direct contact with each other.

 

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

Direct contact with the skin should be avoided.

Wash hands and any other parts of the body which comes into contact with the product after use.

Avoid handling the product if you know you are hypersensitive to pyrantel

 

4.6       Adverse reactions (frequency and seriousness)

 

Pyrantel embonate is safe for horses and ponies of all ages, including sucklings, pregnant mares and studs.  Impaction of the small intestine may occur in foals, infected with high numbers of Parascaris equorum.  Symptoms (colic) may be seen as soon as 30 minutes after treatment.

 

4.7       Use During Pregnancy, Lactation or lay

 

Pyratape P is safe to give to pregnant and lactating mares provided the recommendations are followed.

4.8       Interactions with other medicinal products and other forms of interactions

Combined administration of pyrantel and levamisole or piperazine is not recommended.

 

4.9       Amounts to be administered and administration route

 

Control and treatment of Strongyles, Oxyuris and Parascaris:

Pyratape P should be used at a dose rate of 19 mg pyrantel embonate per kg bodyweight.  The dosing programmes are as follows:

 

a)Foals (1-8 months of age): dose every 4 weeks.

 

b)         Horses (over 8 months of age): dose every 6-8 weeks, but during the           summer and autumn when at grass dose every 4-6 weeks.  Always dose 3-          4 days before turning out after in wintering.

 

c)         Suckler mares:  It has been shown that reduction of strongyle challenge to the suckling foal at pasture can be achieved by using clean pasture (re-   seeded or not grazed the previous year by horses), dosing the mare 3-4   days before turning out and then at intervals of 2-4 weeks until the end of         Autumn.  Ideally mares with foals should go out to ‘clean’ pasture or, if     this is not possible, delay turning them out until June.

 

            The prescribed amount of Pyratape P is deposited on the tongue of the       animal and the animal allowed to swallow.  The complete content of one     syringe contains 11.4g pyrantel embonate (6 graduated doses of 1.9g) in            28.5g paste and is sufficient for the treatment of 600kg bodyweight.  Each      graduation of the syringe is sufficient for the treatment of 100kg body-            weight.

 

Control and treatment of Anoplocephala (Tapeworm):

Pyratape P should be used at a dose rate of 38mg pyrantel embonate per     kg bodyweight (i.e. twice the dose used for stronglyes).  The need for re-treatment may vary, but if considered necessary, should be carried out after an interval of 6 weeks.

 

To ensure administration of a correct dose, body weight should be determined as accurately as possible; accuracy of the dosing device should be checked.

 

4.10     Overdose.

Pyrantel embonate is of low acute oral toxicity.  Oral doses of up to 2000mg/kg bodyweight in mice and rats and 1000mg/kg in dogs have produced no evidence of toxicity.

 

Pyrantel embonate, at dosages of up to 60mg/kg bodyweight, as base, (some 20 times the standard therapeutic dose) had no adverse effects on horses, ponies or foals.  Monitoring included haematological parameters, and serum cholinesterase and glutamic oxaloacetic transaminase levels.

 

4.11     Withdrawal Periods

Not to be used in horses and ponies intended for human consumption.

Treated horses may never be slaughtered for human consumption.

The horse must have been declared as not inteneded for human consumption under national horse passport legislation.

 

5.Pharmacological Properties

ATC vet code QP52AF02

Pyrantel embonate is a broad spectrum anthelmintic with a depolarising neuromuscular blocking action which results in spastic paralysis of the worm, and their expulsion from the intestinal tract.

 

Pyrantel embonate also inhibits cholinesterases which contributes to its neuromuscular effects.  Pyrantel embonate is poorly absorbed from the gastrointestinal tract, making it suitable for use as an intestinal anthelmintic.  The small amount of pyrantel embonate which is absorbed is quickly metabolised with little being excreted intact.

 

Pyrantel embonate has a broad spectrum of activity, including activity against:

Large strongyles:         Stronglylus vulgaris, S. edentatus, S. equinus.

Small strongyles:         Trichonema spp. (Cyathostomes), Triodontophorus spp.

Pinworms:                   Oxyuris equi, Probstmayria vivipara.

Large roundworms:     Parascaris equorum.

Tape worms:                Anoplocephala perfoliata.

 

6.Pharmaceutical Particulars:

 

6.1       List of excipients

 

Butylated Hydroxytoluene

Polysorbate 80

Silica Colloidal Anydrous

Maize Oil

 

6.2Incompatibilities

None Known

 

6.3Shelf Life

Shelf-life of the veterinary medicinal product as packaged for sale: 2 years.

 

6.4Special Precautions for Storage

Do not store above 25°C.

Protect from direct sunlight.

 

6.5Nature and compostion of immediate packaging

White, low density polyethylene syringe with a low density polyethylene cap.  The syringe is fitted with a screw ring on a graduated plunger allowing adjustment of 1 to 6 doses of the product. Graduations on syringe at 100 kg bodyweight intervals.

Available in packs of 20.

 

6.6        Special precautions for the disposal of unused veterinary medicinal product or waste materials derived from the use of such products, if appropriate

           

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

                                                                                                                        

7.         Marketing Authorisation Holder

Cross Vetpharm Group Ltd.

Broomhill Road,

Tallaght,

Dublin 24.

 

8.         Marketing Authorisation number  

VM 12597/4013

 

9.         Date of the first authorisation or date of renewal of the authorisation

 

 

02 August 2006

 

10.       Date of revision of text

 

11 June 2008