ARIMIDEX Film-coated tablets Ref.[6190] Active ingredients: Anastrozole

Source: Medicines & Healthcare Products Regulatory Agency (GB)  Revision Year: 2017  Publisher: AstraZeneca UK Limited, 600 Capability Green, Luton, LU1 3LU, UK

Therapeutic indications

Arimidex is indicated for the:

  • Treatment of hormone receptor-positive advanced breast cancer in postmenopausal women.
  • Adjuvant treatment of hormone receptor-positive early invasive breast cancer in postmenopausal women.
  • Adjuvant treatment of hormone receptor-positive early invasive breast cancer in postmenopausal women who have received 2 to 3 years of adjuvant tamoxifen.

Posology and method of administration

Posology

The recommended dose of Arimidex for adults including the elderly is one 1 mg tablet once a day.

For postmenopausal women with hormone receptor-positive early invasive breast cancer, the recommended duration of adjuvant endocrine treatment is 5 years.

Special populations

Paediatric population

Arimidex is not recommended for use in children and adolescents due to insufficient data on safety and efficacy (see sections 4.4 and 5.1).

Renal impairment

No dose change is recommended in patients with mild or moderate renal impairment. In patients with severe renal impairment, administration of Arimidex should be performed with caution (see section 4.4 and 5.2).

Hepatic impairment

No dose change is recommended in patients with mild hepatic disease. Caution is advised in patients with moderate to severe hepatic impairment (see section 4.4).

Method of administration

Arimidex should be taken orally.

Overdose

There is limited clinical experience of accidental overdose. In animal studies, anastrozole demonstrated low acute toxicity. Clinical trials have been conducted with various dosages of Arimidex, up to 60 mg in a single dose given to healthy male volunteers and up to 10 mg daily given to postmenopausal women with advanced breast cancer; these dosages were well tolerated. A single dose of Arimidex that results in life-threatening symptoms has not been established. There is no specific antidote to overdose and treatment must be symptomatic.

In the management of an overdose, consideration should be given to the possibility that multiple agents may have been taken. Vomiting may be induced if the patient is alert. Dialysis may be helpful because Arimidex is not highly protein bound. General supportive care, including frequent monitoring of vital signs and close observation of the patient, is indicated.

Shelf life

Shelf life: 5 years.

Special precautions for storage

Do not store above 30°C.

Nature and contents of container

PVC blister/aluminium foil packs of 20, 28, 30, 84, 98, 100 and 300 tablets contained in a carton. Not all pack sizes may be marketed.

Special precautions for disposal and other handling

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

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