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Drug Safety-related Labeling Changes (SrLC)

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ZEPZELCA (NDA-213702)

(LURBINECTEDIN)

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

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07/28/2023 (SUPPL-8)

Approved Drug Label (PDF)

5 Warnings and Precautions

5.5 Embryo-Fetal Toxicity

(Additions and/or revisions underlined)

Based on animal data and its mechanism of action ZEPZELCA can cause fetal harm when administered to a pregnant woman. Intravenous administration of a single dose of lurbinectedin (approximately 0.2 times the 3.2 mg/m^2 clinical dose) to pregnant animals during the period of organogenesis caused 100% embryolethality in rats. Advise pregnant women of the potential risk to a fetus. Advise female patients of reproductive potential to use effective contraception during treatment with ZEPZELCA and for 6 months after the last dose. Advise male patients with female partners of reproductive potential to use effective contraception during treatment with ZEPZELCA and for 4 months after the last dose [see Use in Specific Populations (8.1, 8.3)].

6 Adverse Reactions

(Additions and/or revisions underlined)

The following clinically significant adverse reactions are described elsewhere in the labeling: 

7 Drug Interactions

7.1 Effect of Other Drugs on ZEPZELCA

Strong and Moderate CYP3A Inhibitors

(Additions and/or revisions underlined)

Coadministration of ZEPZELCA with a strong or a moderate CYP3A inhibitor increases lurbinectedin systemic exposure [see Clinical Pharmacology (12.3)], which may increase the incidence and severity of adverse reactions to ZEPZELCA.

Avoid grapefruit and Seville oranges during ZEPZELCA treatment, as these contain strong or moderate inhibitors of CYP3A.

Strong CYP3A Inhibitors

Avoid coadministration of ZEPZELCA with strong CYP3A inhibitors. If coadministration cannot be avoided, reduce the dose of ZEPZELCA [see Dosage and Administration (2.3)].

Moderate CYP3A Inhibitors

Avoid coadministration of ZEPZELCA with moderate CYP3A inhibitors. If coadministration cannot be avoided, consider dose reduction of ZEPZELCA if clinically indicated [see Dosage and Administration (2.2)].

Strong CYP3A Inducers

Avoid coadministration of ZEPZELCA with strong CYP3A inducers. Coadministration of ZEPZELCA with a strong CYP3A inducer may decrease lurbinectedin systemic exposure, which may decrease the efficacy of ZEPZELCA [see Clinical Pharmacology (12.3)].

8 Use in Specific Populations

8.2 Lactation

Risk Summary

(Additions and/or revisions underlined)

There are no data on the presence of lurbinectedin in human milk or its effects on the breastfed child or on milk production. Because of the potential for serious adverse reactions from

ZEPZELCA in breastfed children, advise women not to breastfeed during treatment with ZEPZELCA and for 2 weeks after the last dose.

8.3 Females and Males of Reproductive Potential

(Additions and/or revisions underlined)

ZEPZELCA can cause embryolethality at doses lower than the human dose of 3.2 mg/m2

[see Use in Specific Populations (8.1)]. Pregnancy Testing

Verify the pregnancy status of females of reproductive potential prior to initiating ZEPZELCA. Contraception

Females

Advise female patients of reproductive potential to use effective contraception during treatment with ZEPZELCA and for 6 months after the last dose.

Males

Advise males with a female sexual partner of reproductive potential to use effective contraception during treatment with ZEPZELCA and for 4 months after the last dose.

17 PCI/PI/MG (Patient Counseling Information/Patient Information/Medication Guide)

17 PATIENT COUNSELING INFORMATION

(Additions and/or revisions underlined)

Advise the patient to read the FDA-approved patient labeling (Patient Information). Myelosuppression

Advise patients to immediately contact their healthcare provider for fever, other signs of infection, unusual bruising, bleeding, tiredness or pallor [see Warnings and Precautions (5.1)].

Hepatotoxicity

Advise patients to contact their healthcare provider immediately for signs and symptoms suggestive of hepatotoxicity [see Warnings and Precautions (5.2)].

Extravasation Resulting in Tissue Necrosis

Advise patients to contact their healthcare provider immediately for signs and symptoms of extravasation. The time to onset of necrosis after extravasation may vary [see Warnings and Precautions (5.3)].

Rhabdomyolysis

Advise patients to contact their healthcare provider immediately for signs and symptoms of rhabdomyolysis [see Warnings and Precautions (5.4)].

Embryo-Fetal Toxicity

·       Advise pregnant women and females of reproductive potential of the potential risk to a fetus. Advise females to inform their healthcare provider of a known or suspected pregnancy [see Warnings and Precautions (5.5) and Use in Specific Populations (8.1)].

·       Advise females of reproductive potential to use effective contraception during treatment with ZEPZELCA and for 6 months after the last dose [see Use in Specific Populations (8.3)].

·       Advise males with female partners of reproductive potential to use effective contraception during treatment with ZEPZELCA and for 4 months after the last dose [see Use in Specific Populations (8.3)].

Lactation

Advise women not to breastfeed during treatment with ZEPZELCA and for at least 2 weeks after the last dose [see Use in Specific Populations (8.2)].

Drug Interactions

Advise patients to inform their healthcare providers of all concomitant medications, herbal and dietary supplements. Advise patients to avoid grapefruit products and Seville oranges during treatment with ZEPZELCA [see Drug Interactions (7.1)].

04/01/2022 (SUPPL-4)

Approved Drug Label (PDF)

5 Warnings and Precautions

5.3 Extravasation Resulting in Tissue Necrosis

New subsection added

Extravasation of ZEPZELCA resulting in skin and soft tissue injury, including necrosis requiring debridement, can occur. Consider use of a central venous catheter to reduce the risk of extravasation, particularly in patients with limited venous access. Monitor patients for signs and symptoms of extravasation during the ZEPZELCA infusion. If extravasation occurs, immediately discontinue the infusion, remove the infusion catheter, and monitor for signs and symptoms of tissue necrosis. The time to onset of necrosis after extravasation may vary.

Administer supportive care and consult with an appropriate medical specialist as needed for signs and symptoms of extravasation. Administer subsequent infusions at a site that was not affected by extravasation.

5.4 Rhabdomyolysis

New subsection added

Rhabdomyolysis has been reported in patients treated with ZEPZELCA. Monitor creatine phosphokinase (CPK) prior to initiating ZEPZELCA and periodically during treatment as clinically indicated. Withhold or reduce the dose based on severity [see Dosage and Administration (2.2)].

6 Adverse Reactions

Addition of the following to the bulleted line listing:

  • Extravasation Resulting in Tissue Necrosis [see Warnings and Precautions (5.3)]

  • Rhabdomyolysis [see Warnings and Precautions (5.4)]

    6.2 Postmarketing Experience

    New subsection added

    The following adverse reactions have been identified during post-approval use of ZEPZELCA. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

    General disorders and administration site conditions: Extravasation including tissue necrosis requiring debridement.

    Musculoskeletal and Connective Tissue Disorders: Rhabdomyolysis.

    Metabolism and nutrition disorders: Tumor lysis syndrome.

17 PCI/PI/MG (Patient Counseling Information/Patient Information/Medication Guide)

PATIENT COUNSELING INFORMATION

Additions underlined

Extravasation Resulting in Tissue Necrosis

Advise patients to contact their healthcare provider immediately for signs and symptoms of extravasation. The time to onset of necrosis after extravasation may vary [see Warnings and Precautions (5.3)].

Rhabdomyolysis

Advise patients to contact their healthcare provider immediately for signs and symptoms of rhabdomyolysis [see Warnings and Precautions (5.4)].

PATIENT INFORMATION

Additions underlined

What are the possible side effects of ZEPZELCA?

  • Leakage of ZEPZELCA out of your vein during the infusion. If ZEPZELCA leaks into the tissues around your infusion site, it can cause damage and death of tissue cells around the infusion site. You may need to have surgery to remove any dead tissue. Tell your healthcare provider right away if you see any ZEPZELCA leaking out of your vein or around the catheter during your infusion, or if you notice any redness, swelling, itching or discomfort at the infusion site at any time.

  • Severe muscle problems (rhabdomyolysis). Tell your healthcare provider if you have severe muscle pain or weakness.