Psoriasis

Active Ingredient: Alefacept

Indication for Alefacept

Population group: only adults (18 years old or older)

Alefacept is indicated is indicated for the treatment of adult patients with moderate to severe chronic plaque psoriasis who are candidates for systemic therapy or phototherapy.

For this indication, competent medicine agencies globally authorize below treatments:

15 mg given once weekly

Route of admnistration

Intramuscular

Defined daily dose

15 mg

Dosage regimen

15 mg once every 7 day(s) for 84 day(s)

Detailed description

The recommended dose of alefacept is 15 mg given once weekly as an intramuscular IM injection. The recommended regimen is a course of 12 weekly injections. Retreatment with an additional 12-week course may be initiated provided that CD4+ T lymphocyte counts are within the normal range, and a minimum of a 12-week interval has passed since the previous course of treatment.

The CD4+ T lymphocyte counts of patients receiving alefacept should be monitored before initiating dosing and every two weeks throughout the course of the 12-week dosing regimen. If CD4+ T lymphocyte counts are below 250 cells/ยตL, Alefacept dosing should be withheld and weekly monitoring instituted. Alefacept should be discontinued if the counts remain below 250 cells/ยตL for one month

7.5 mg given once weekly

Route of admnistration

Intravenous

Defined daily dose

7.5 mg

Dosage regimen

7.5 mg once every 7 day(s)

Detailed description

The recommended dose of alefacept is 7.5 mg given once weekly as an IV bolus. The recommended regimen is a course of 12 weekly injections. Retreatment with an additional 12-week course may be initiated provided that CD4+ T lymphocyte counts are within the normal range, and a minimum of a 12-week interval has passed since the previous course of treatment.

The CD4+ T lymphocyte counts of patients receiving alefacept should be monitored before initiating dosing and every two weeks throughout the course of the 12-week dosing regimen. If CD4+ T lymphocyte counts are below 250 cells/ยตL, alefacept dosing should be withheld and weekly monitoring instituted. alefacept should be discontinued if the counts remain below 250 cells/ยตL for one month.

Active ingredient

Alefacept

Alefacept interferes with lymphocyte activation by specifically binding to the lymphocyte antigen, CD2, and inhibiting LFA-3/CD2 interaction. Activation of T lymphocytes involving the interaction between LFA-3 on antigen-presenting cells and CD2 on T lymphocytes plays a role in the pathophysiology of chronic plaque psoriasis. Also causes a reduction in subsets of CD2+ T lymphocytes as well as CD4+ and CD8+ T lymphocytes.

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