Sacituzumab Govitecan-hziy: An Antibody-Drug Conjugate for the Treatment of Refractory, Metastatic, Triple-Negative Breast Cancer. Issue 7 (July 2021)

• Record Type: Journal Article
• Authors: Seligson, John M.; Patron, Alexandra M.; Berger, Michael J.; Harvey, R. Donald; Seligson, Nathan D.
• Is Part Of: Annals of pharmacotherapy. Volume 55:Issue 7(2021)
• Page Start: 921
• Page End: 931
• Publication Date: 2021-07
• Subjects: sacituzumab govitecan -- triple-negative breast cancer -- Trop-2 -- antibody-drug conjugate -- Trodelvy; Chemotherapy -- Periodicals; Pharmacology -- Periodicals; 615.5805
• DOI: 10.1177/1060028020966548
• Languages: English
• ISSNs: 1060-0280

Abstract

Objective: To review the pharmacology, efficacy, and safety of sacituzumab govitecan (-hziy; IMMU-132, Trodelvy) for patients with metastatic triple-negative breast cancer (mTNBC) who have received at least 2 prior therapies for metastatic disease. Data Sources: A literature search was conducted utilizing PubMed and MEDLINE databases, applicable published abstracts, and ongoing studies from ClinicalTrials.gov between January 1, 1981, and September 3, 2020. Keywords included sacituzumab govitecan (-hziy), IMMU-132, Trop-2 (trophoblast cell-surface antigen 2), and TACSTD2 . Study Selection and Data Extraction: All English-language trials involving sacituzumab govitecan for mTNBC were included and discussed. Data Synthesis: Sacituzumab govitecan is an antibody-drug conjugate targeted for Trop-2 and conjugated to the topoisomerase-1 inhibitor SN-38. It was granted accelerated Food and Drug Administration approval based on a phase I/II single-arm, multicenter study (n = 108), which reported an overall response rate of 33.3% and median duration of response of 7.7 months (95% CI = 4.9-10.8 months). Common adverse reactions include nausea, neutropenia, diarrhea, fatigue, anemia, vomiting, alopecia, constipation, rash, decreased appetite, abdominal pain, and respiratory infection. A confirmatory, randomized phase III clinical trial is ongoing (NCT02574455). Relevance to Patient Care and Clinical Practice: This review covers the efficacy, safety, and clinical use of sacituzumab govitecan, a third-line drug with activity in mTNBC. Conclusion: Sacituzumab govitecan is a novel targeted treatment with promising activity in mTNBC.