Today, the U.S. Food and Drug Administration granted accelerated approval to Trodelvy (sacituzumab govitecan-hziy) for the treatment of adult patients with triple-negative breast cancer that has spread to other parts of the body. Patients must have received at least two prior therapies before taking Trodelvy.
The prescribing information for Trodelvy includes a Boxed Warning to advise health care professionals and patients about the risk of severe neutropenia (abnormally low levels of white blood cells) and severe diarrhea. Health care professionals should monitor patient’s blood cell counts periodically during treatment with Trodelvy and consider treatment with a type of therapy called granulocyte-colony stimulating factor (G-CSF), which stimulates the bone marrow to produce white blood cells called granulocytes and stem cells and releases them into the bloodstream, to help prevent infection, and should initiate anti-infective treatment in patients with febrile neutropenia (development of fever when white blood cell are abnormally low).
Additionally, health care professionals should monitor patients with diarrhea and give fluid, electrolytes, and supportive care medications, as needed. Trodelvy may need to be withheld, dose reduced or permanently discontinued for neutropenia or diarrhea. Trodelvy can cause hypersensitivy reactions including severe anaphylactic (allergic) reactions. Patients should be monitored for infusion-related reactions and health care professionals should discontinue Trodelvy if severe or life-threatening reactions occur. If patients experience nausea or vomiting while taking Trodelvy, health care professionals should use antiemetic preventive treatment, to prevent nausea and vomitting. Patients with reduced uridine diphosphate-glucuronosyl transferase 1A1 (UGT1A1) activity are at increased risk for neutropenia following initiation of Trodelvy treatment.
The most common side effects for patients taking Trodelvy were nausea, neutropenia, diarrhea, fatigue, anemia, vomiting, alopecia (hair loss), constipation, decreased appetite, rash and abdominal pain.
Women who are pregnant should not take Trodelvy because it may cause harm to a developing fetus or newborn baby. The FDA advises health care professionals to inform females of reproductive age to use effective contraception during treatment with Trodelvy and for 6 months after the last dose. Male patients with female partners of reproductive potential should also use effective contraception during treatment with Trodelvy and for three months after the last dose.
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