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Drug Safety-related Labeling Changes (SrLC)

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IDAMYCIN PFS (NDA-050734)

(IDARUBICIN HYDROCHLORIDE)

Safety-related Labeling Changes Approved by FDA Center for Drug Evaluation and Research (CDER)

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04/27/2022 (SUPPL-29)

Approved Drug Label (PDF)

5 Warnings and Precautions


Additions underlined

WARNINGS

Pregnancy

Men with female partners of childbearing potential should be advised to use effective contraception during treatment with IDAMYCIN PFS and for 3.5 months after the last dose. Both men and women should seek advice for fertility preservation before treatment and/or seek genetic counselling after treatment.

PRECAUTIONS

Pregnancy

(See WARNINGS.)

Nursing Mothers

It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk and because of the potential for serious adverse reactions in nursing infants from idarubicin, mothers should discontinue nursing prior to taking this drug and do not breastfeed during treatment and for 14 days after last dose.

02/10/2021 (SUPPL-27)

Approved Drug Label (PDF)

5 Warnings and Precautions

(Additions and/or revisions underlined)

WARNINGS

Idarubicin is intended for administration under the supervision of a physician who is experienced in leukemia chemotherapy.

Idarubicin is a potent bone marrow suppressant. Idarubicin should not be given to patients with pre-existing bone marrow suppression induced by previous drug therapy or radiotherapy unless the benefit warrants the risk.

Pre-existing heart disease and previous therapy with anthracyclines at high cumulative doses or other potentially cardiotoxic agents are co-factors for increased risk of idarubicin-induced cardiac toxicity and the benefit to risk ratio of idarubicin therapy in such patients should be weighed before starting treatment with idarubicin.

Myocardial toxicity as manifested by potentially fatal congestive heart failure, acute life- threatening arrhythmias or other cardiomyopathies may occur following therapy with idarubicin. Appropriate therapeutic measures for the management of congestive heart failure and/or arrhythmias are indicated.

Cardiac function should be carefully monitored during treatment in order to minimize the risk of cardiac toxicity of the type described for other anthracycline compounds. The risk of such myocardial toxicity may be higher following concomitant or previous radiation to the mediastinal-pericardial area or in patients with anemia, bone marrow depression, infections, leukemic pericarditis and/or myocarditis, active or dormant cardiovascular disease, previous therapy with other anthracyclines or anthracenediones, and concomitant use of drugs with the ability to suppress cardiac contractility or cardiotoxic drugs (e.g., trastuzumab, cyclophosphamide and paclitaxel). Due to the increased risk of cardiotoxicity, avoid concomitant use of IDAMYCIN PFS until the cardiotoxic agent has been discontinued for at least 5 half-lives, and specifically avoid IDAMYCIN PFS for up to 7 months after stopping trastuzumab.

Since hepatic and/or renal function impairment can affect the disposition of idarubicin, liver and kidney function should be evaluated with conventional clinical laboratory tests (using serum bilirubin and serum creatinine as indicators) prior to and during treatment. In a number of Phase III clinical trials, treatment was not given if bilirubin and/or creatinine serum levels exceeded 2 mg%. However, in one Phase III trial, patients with bilirubin levels between 2.6 and 5 mg% received the anthracycline with a 50% reduction in dose. Dose reduction of idarubicin should be considered if the bilirubin and/or creatinine levels are above the normal range. (See DOSAGE AND ADMINISTRATION.)

Pregnancy 

There are no adequate and well-controlled studies in pregnant women. IDAMYCIN PFS should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. If IDAMYCIN PFS is to be used during pregnancy, or if the patient becomes pregnant during therapy, the patient should be apprised and informed of the potential hazard to the fetus. Women of childbearing potential should be advised to avoid pregnancy. Women of childbearing potential should be advised to use effective contraception during treatment with IDAMYCIN PFS and for at least 6.5 months after the last dose. Men with female partners of childbearing potential should be advised to use effective contraception during treatment with IDAMYCIN PFS and for at least 3.5 months after the last dose. Both men and women should seek advice for fertility preservation before treatment.

08/02/2019 (SUPPL-25)

Approved Drug Label (PDF)

5 Warnings and Precautions

WARNINGS

(additions underlined)

Cardiac function should be carefully monitored during treatment in order to minimize the risk of cardiac toxicity of the type described for other anthracycline compounds. The risk of such myocardial toxicity may be higher following concomitant or previous radiation to the mediastinal- pericardial area or in patients with anemia, bone marrow depression, infections, leukemic pericarditis and/or myocarditis, active or dormant cardiovascular disease, previous therapy with other anthracyclines or anthracenediones, and concomitant use of drugs with the ability to suppress cardiac contractility or cardiotoxic drugs (e.g., trastuzumab, cyclophosphamide and paclitaxel).

Due to the increased risk of cardiotoxicityavoid concomitant use of IDAMYCIN PFS until the cardiotoxic agent has been discontinued for at least 5 half-lives, and specifically avoid IDAMYCIN PFS for up to 7 months after stopping trastuzumab.

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