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Hy-50 Vet.

Document: HY-50 Vet. solution for injection ENG SmPC change

SUMMARY OF PRODUCT CHARACTERISTICS


1. NAME OF THE VETERINARY MEDICINAL PRODUCT


HY-50 Vet 17 mg/ml solution for injection


2. QUALITATIVE AND QUANTITATIVE COMPOSITION


Active substance:


Sodium Hyaluronate 17 mg/ml


Excipients:


For a full list of excipients, see section 6.1.


3. PHARMACEUTICAL FORM


Solution for injection

Clear, colourless, viscous solution


4. CLINICAL PARTICULARS


4.1 Target species


Horse.


4.2 Indications for use,specifying the target species


For intra-articular and intravenous treatment of lameness caused by joint dysfunction associated with non-infectious synovitis.


4.3 Contraindications


Do not use in cases of joint infection.


4.4 Special warnings for each target species


None.


4.5 Special precautions for use


i) Special precautions for use in animals


Radiographic evaluation should be carried out in cases of acute, severe lameness to ensure that the joints are free from serious fractures.


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


Not applicable.


4.6 Adverse reactions (frequency and seriousness)


Transient mild swelling and/or heat has been reported in treated joints (2,7%). These self-limiting local signs resolve spontaneously within 48 hours, and do not negate a successful therapeutic outcome.


4.7 Use during pregnancy, lactation or lay


Safety in pregnant and lactating mares has not been documented. Use only according to the benefit/risk assessment by the responsible veterinarian.


4.8 Interaction with other medicinal products and other forms of interaction


No data available.


4.9 Amounts to be administered and administration route


Intravenous use: 3 ml intravenously repeated at weekly intervals for a total of three treatments.


For single intra-articular injection: 3 ml (51 mg) intra-articularly into medium sized and large joints. Smaller joints such as intertarsal, tarsometatarsal and interphalangeal joints can be treated with a 1.5 ml dose (25.5 mg).


More than one joint may be treated at the same time.


Excess synovial fluid should be removed whenever possible prior to injection.


Remove product from refrigerator approximately 10 minutes before performing injection. The injection should be administered under strict aseptic conditions. Ensure removal of dirt, hair, topical medicaments and soap/antiseptic residues. Intra-articular injections should not be made through overlying skin that is infected, blistered, scurfed or otherwise compromised. A sterile dressing and clean bandage should be applied after injection, as appropriate for the particular joint treated.


Single dose syringes made ready for injection shall be used immediately. Any unused portion of a syringe is to be discarded.


4.10 Overdose (symptoms, emergency procedures, antidotes), if necessary


Not reported.


4.11 Withdrawal period(s)


Meat and offal – zero days.


5. PHARMACOLOGICAL PROPERTIES


Pharmacotherapeutic group: sodium hyaluronate (hyaluronic acid), ATCvet code: QM09AX01


5.1 Pharmacodynamic properties


The active substance in HY-50 Vet, sodium hyaluronate, is produced by a bacterial fermentation process. Sodium hyaluronate is the sodium salt of hyaluronic acid, a non-sulphated acid mucopolysaccharide or glycosaminoglycan of high molecular weight composed of equimolar amounts of D-glucuronic acid and N-acetylglucosamine linked together by glycosidic bonds.


Hyaluronic acid is a natural constituent of connective tissues in all mammals and its chemical structure is the same in all species. Vitreous humour, umbilical cord and synovial fluid are especially rich in hyaluronic acid. Hyaluronic acid is also found in the articular cartilage matrix.


Hyaluronic acid has biochemical activities which are distinct from its physical and rheological properties. It is an effective free radical scavenger, a potent inhibitor of leucocyte and macrophage migration and aggregation, and enhances healing of connective tissue.


Intra-articularly administered sodium hyaluronate alleviates aseptic joint inflammation and enhances joint function. The mechanism of action involved in the beneficial effects of sodium hyaluronate is not fully understood.


5.2 Pharmacokinetic particulars


Studies with radiolabelled hyaluronic acid in rabbit and sheep indicate that after intra-articular injection, hyaluronic acid is cleared from the joint within 4 to 5 days. Uptake is primarily via the lymphatics. Hyaluronate is metabolised in the liver.

Pharmacokinetic properties of intravenously administered sodium hyaluronate have not been studied.


6. PHARMACEUTICAL PARTICULARS


6.1 List of excipients



Sodium Chloride

7.57 mg/ml

Disodium Phosphate Heptahydrate

3.78 mg/ml

Sodium Dihydrogen Phosphate Monohydrate

0.45 mg/ml

Water for Injection

qs to 1 ml


6.2 Incompatibilities


Do not mix with any other product.


6.3 Shelf life


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

Single dose syringes made ready for injection shall be used immediately. Any unused portion of a syringe is to be discarded.


6.4. Special precautions for storage


Store in a refrigerator (2 C – 8 C). Do not freeze.


6.5 Nature and composition of immediate packaging


Pre-loaded 3 ml single-dose glass syringes. Each syringe is packaged in an individual heat-sealed tray and carton. Available in single cartons or boxes containing 12 cartons.

Not all pack sizes may be marketed.


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


Any unused product or waste material should be disposed in accordance with national requirements.


7. MARKETING AUTHORISATION HOLDER


Dechra Limited

Snaygill Industrial Estate

Keighley Road

Skipton

North Yorkshire

BD23 2RW

United Kingdom


8. MARKETING AUTHORISATION NUMBER


13253


9. DATE OF FIRST AUTHORISATION/RENEWAL OF THE AUTHORISATION


Date of first authorisation: June 12, 1998

Date of last renewal: June 12, 2008


10. DATE OF REVISION OF THE TEXT


2016-02-25


PROHIBITION OF SALE, SUPPLY AND/OR USE


Not applicable.