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Components:
Cefuroxime
Method of action:
Antibacterial Broad Spectrum (Bactericidal), Bactericidal, Bactericidal Broad Spectrum
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Medically reviewed by Kovalenko Svetlana Olegovna, PharmD. Last updated on 2019.12.09

Name of the medicinal product

Acenoveriz

Qualitative and quantitative composition

Cefuroxime

Pharmaceutical form

Powder for solution for intravenous and intramuscular administration

Therapeutic indications

The information provided in Therapeutic indications of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Therapeutic indications in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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Antibiotic prophylaxis of postoperative endophthalmitis after cataract surgery.

Consideration should be given to official guidance on the appropriate use of antibacterial agents, including guidance on the antibiotic prophylaxis on eye surgery.

Dosage (Posology) and method of administration

The information provided in Dosage (Posology) and method of administration of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Dosage (Posology) and method of administration in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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Intracameral use. One vial for single-use only.

Posology

Adults:

The recommended dose is 0.1ml of reconstituted solution , i.e. 1mg of Acenoveriz.

DO NOT INJECT MORE THAN THE RECOMMENDED DOSE.

Paediatric population:

The optimal dose and the safety of APROKAM have not been established in the paediatric population.

Elderly:

No dose adjustment is necessary.

Patients with hepatic and renal impairment:

Considering the low dose and the expected negligible systemic exposure to Acenoveriz using APROKAM, no dose adjustment is necessary.

Method of administration

APROKAM must be administered after reconstitution by intraocular injection in the anterior chamber of the eye (intracameral use), by an ophthalmic surgeon, in the recommended aseptic conditions of cataract surgery.

After reconstitution, APROKAM should be inspected visually for particulate matter and discoloration prior to administration.

Slowly inject 0.1ml of the reconstituted solution into the anterior chamber of the eye at the end of the cataract surgery.

Contraindications

The information provided in Contraindications of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Contraindications in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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Hypersensitivity to Acenoveriz or to the cephalosporin group of antibiotics.

Special warnings and precautions for use

The information provided in Special warnings and precautions for use of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Special warnings and precautions for use in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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Treatment with APROKAM is for intracameral use only.

Special care is indicated in patients who have experienced an allergic reaction to penicillins or any other beta-lactam antibiotics as cross-reactions may occur.

In patients at risk for infections with resistant strains, e.g. those with known previous infection or colonisation with MRSA (Methicillin-resistant Staphylococcus aureus), alternative prophylactic antibiotic should be considered.

In the absence of data for special patient groups (patients with severe risk of infection, patients with complicated cataracts, patients having combined operations with cataract surgery, patients with severe thyroid disease, patients with less 2000 corneal endothelial cells), APROKAM should only be used after careful risk/benefit assessment.

The use of Acenoveriz should not be regarded as an isolated measure but other circumstances are also of importance like prophylactic antiseptic treatment.

Corneal endothelial toxicity has not been reported at the recommended concentration of Acenoveriz; nevertheless, this risk cannot be excluded and in the post-surgical surveillance, physicians should have in mind this potential risk.

Effects on ability to drive and use machines

The information provided in Effects on ability to drive and use machines of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Effects on ability to drive and use machines in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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Not relevant.

Undesirable effects

The information provided in Undesirable effects of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Undesirable effects in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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No particular adverse effects were reported in the literature when Acenoveriz is administered as intraocular injection except the following:

Immune system disorders

Very rare (<1/10,000): Anaphylactic reaction.

Reporting of suspected adverse reactions

Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows continued monitoring of the benefit/risk balance of the medicinal product. Healthcare professionals are asked to report any suspected adverse reactions via the Yellow Card Scheme. Website: www.mhra.gov.uk/yellowcard

Overdose

The information provided in Overdose of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Overdose in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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The reported cases of overdose are those described in the literature after incorrect dilution and non-authorised use of Acenoveriz intended for systemic administration.

Inadvertent high-dose (3-fold the recommended dose) intracameral Acenoveriz was administered to 6 patients following an incorrect dilution due to homemade Acenoveriz dilution protocol. These injections did not cause any detectable adverse effect in any patient even on ocular tissues.

Toxicity data were available following intracameral injection, during cataract surgery, of 40 to 50-fold the recommended dose of Acenoveriz in 6 patients after a dilution error. Initial mean visual acuity was 20/200. Severe anterior segment inflammation was present, and retinal optical coherence tomography showed extensive macular oedema. Six weeks after surgery, mean visual acuity reached 20/25. Macular optical coherence tomography profile returned to normal. A 30% decrease of scotopic electroretinography was, however, observed in all patients.

Administration of incorrectly diluted Acenoveriz (10-100mg per eye) to 16 patients resulted in ocular toxicity including corneal oedema resolving in weeks, transient raised intraocular pressure, loss of corneal endothelial cells and changes in the electroretinography. A number of these patients had permanent and severe vision loss.

Pharmacodynamic properties

The information provided in Pharmacodynamic properties of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Pharmacodynamic properties in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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ATC classification

Pharmacotherapeutic group: Sensory Organs - Ophthalmologicals - Antiinfectives - Antibiotics

ATC code: S01AA27

Mechanism of action

Acenoveriz inhibits bacterial cell wall synthesis following attachment to penicillin binding proteins (PBPs). This results in the interruption of cell wall (peptidoglycan) biosynthesis, which leads to bacterial cell lysis and death.

PD/PK (pharmacodynamics/pharmacokinetics) relationship

For cephalosporins, the most important pharmacokinetic-pharmacodynamic index correlating with in vivo efficacy has been shown to be the percentage of the dosing interval (%T) that the unbound concentration remains above the minimum inhibitory concentration (MIC) of Acenoveriz for individual target species (i.e. %T>MIC).

After intracameral injection of 1 mg Acenoveriz, Acenoveriz levels in the aqueous humour were over MIC for several relevant species for up to 4- 5 hours after surgery.

Mechanism of resistance

Bacterial resistance to Acenoveriz may be due to one or more of the following mechanisms:

- hydrolysis by beta-lactamases. Acenoveriz may be efficiently hydrolysed by certain of the extended-spectrum beta-lactamases (ESBLs) and by the chromosomally-encoded (AmpC) enzyme that may be induced or stably derepressed in certain aerobic gram-negative bacterial species;

- reduced affinity of penicillin-binding proteins for Acenoveriz;

- outer membrane impermeability, which restricts access of Acenoveriz to penicillin binding proteins in gram-negative bacteria;

- bacterial drug efflux pumps.

Methicillin-resistant staphylococci (MRS) are resistant to all currently available β-lactam antibiotics including Acenoveriz.

Penicillin-resistant Streptococcus pneumoniae are cross-resistant to cephalosporins such as Acenoveriz through alteration of penicillin binding proteins.

Beta-lactamase negative, ampicillin resistant (BLNAR) strains of H. influenzae should be considered resistant to Acenoveriz despite apparent in vitro susceptibility.

Breakpoints:

The list of micro-organisms presented hereafter has been targeted to the indication.

APROKAM should be used for intracameral application only and should not be used to treat systemic infections ; clinical breakpoints are not relevant for this route of administration. Epidemiological cut-off values (ECOFF), distinguishing the wild-type population from isolates with acquired resistance traits are as follows:

ECOFF (mg/L)

Staphylococcus aureus

≤ 4

Streptococcus pneumoniae

≤ 0.125

E. coli

≤ 8

Proteus mirabilis

≤ 4

H. influenzae

≤ 2

Susceptibility of staphylococci to Acenoveriz is inferred from the methicillin susceptibility.

The susceptibility of streptococcus groups A, B, C and G can be inferred from their susceptibility to benzylpenicillin.

Information from clinical trials

An academic prospective randomized partially masked multicentre cataract surgery study was performed on 16,603 patients. Twenty-nine patients (24 in “without Acenoveriz” groups and 5 in “intracameral Acenoveriz” groups) presented with endophthalmitis, of whom 20 (17 in “without Acenoveriz” groups and 3 in “intracameral Acenoveriz” groups) were classified as having proven infective endophthalmitis. Among these 20 proven endophthalmitis: 10 patients are in group “placebo eye drops and without Acenoveriz”, 7 patients in group “levofloxacine eye drops and without Acenoveriz”, 2 patients in group “placebo eye drops and intracameral Acenoveriz” and 1 patient in group “levofloxacine eye drops and intracameral Acenoveriz. The administration of intracameral Acenoveriz prophylactic regimen at 1mg in 0.1ml sodium chloride 9mg/ml (0.9%) solution for injection was associated with a 4.92-fold decrease in the risk for total postoperative endophthalmitis.

Two prospective studies (Wedje 2005 and Lundström 2007) and 5 retrospective studies were supportive to the pivotal ESCRS study further substantiating the efficacy of intracameral Acenoveriz in postoperative endophthalmitis.

Pharmacokinetic properties

The information provided in Pharmacokinetic properties of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Pharmacokinetic properties in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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The systemic exposure following intracameral injection has not been studied but is expected to be negligible.

After intracameral injection at the recommended single dose of 0.1ml of a 10mg/ml solution of Acenoveriz in cataract patients, the mean intracameral level of Acenoveriz was 2614 ± 209mg/l (10 patients) 30 seconds and 1027 ± 43mg/l (9 patients) 60 minutes after drug administration.

Pharmacotherapeutic group

The information provided in Pharmacotherapeutic group of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Pharmacotherapeutic group in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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Sensory Organs - Ophthalmologicals - Antiinfectives - Antibiotics

Preclinical safety data

The information provided in Preclinical safety data of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Preclinical safety data in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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Effects in non-clinical studies were observed only at exposures considered sufficiently in excess of the maximum human exposure indicating little relevance to clinical use.

Intravitreal injection of 1 mg Acenoveriz in albino rabbits resulted in levels of 19-35mg/l and 600-780mg/l after 30min following injection in the aqueous and in the vitreous, respectively. Levels after 6 h decreased to 1.9-7.3 and 190- 260mg/l respectively in these two structures. There was no increase in the intraocular pressure during the first 3 days. Histopathology showed no degenerative changes compared to saline.

ERG: a-, b- and c- waves diminished up until 14 days both in the control and antibiotic-injected eyes.

Recovery occurred and may be slower than in control. ERG showed no definite changes suggestive of retinal toxicity up to 55 days after intravitreal administration.

Incompatibilities

The information provided in Incompatibilities of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Incompatibilities in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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Special precautions for disposal and other handling

The information provided in Special precautions for disposal and other handling of Acenoveriz is based on data of another medicine with exactly the same composition as the Acenoveriz of the medicine (Cefuroxime). Be careful and be sure to specify the information on the section Special precautions for disposal and other handling in the instructions to the drug Acenoveriz directly from the package or from the pharmacist at the pharmacy.
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APROKAM must be administered by intracameral injection, by an ophthalmic surgeon in the recommended aseptic conditions of cataract surgery.

VIAL IS FOR SINGLE USE ONLY.

USE ONE VIAL FOR ONE PATIENT. Stick the flag label of the vial on the patient's file.

To prepare the product for intracameral administration, please adhere to the following instructions:

1. Withdraw flip-off cap

2. Before inserting a sterile needle, the outer part of the rubber stopper of the vial should be disinfected.

3. Push the needle vertically into the centre of the vial stopper, keeping the vial in an upright position. Then, inject into the vial 5ml of sodium chloride 9mg/ml (0.9%) solution for injection using aseptic technique.

4. Shake gently until the solution is free from visible particles.

5. Assemble a sterile needle (18G x 1½”, 1.2mm x 40mm) with 5-micron filter (acrylic copolymer membrane on a non-woven nylon) onto a 1ml sterile syringe. Push this syringe vertically into the centre of the vial stopper, keeping the vial in an upright position.

6. Aseptically aspire at least 0.1ml of the solution.

7. Disconnect the 5-micron filter needle from the syringe and assemble the syringe with an appropriate anterior chamber cannula.

8. Carefully expel the air from the syringe and adjust the dose to the 0.1ml mark on the syringe. The syringe is ready for injection.

The reconstituted solution should be visually inspected and should only be used if it is a colourless to yellowish solution free from visible particles. It has a pH and osmolality close to the physiological values (pH about 7.3 and osmolality about 335mosmol/kg).

After use, discard the remaining of the reconstituted solution. Do not keep it for subsequent use.

Any unused medicinal product or waste material should be disposed of in accordance with local requirements.

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