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Trodelvy

sacituzumab govitecan-hziy
Antibody-Drug Conjugate (Trop-2-targeted) FDA Approved 2020 Gilead Sciences
1. Indications and Usage

Unresectable locally advanced or metastatic triple-negative breast cancer (TNBC) after ≥2 prior systemic therapies (including ≥1 for metastatic disease); Unresectable locally advanced or metastatic HR-positive/HER2-negative breast cancer after endocrine-based therapy and ≥2 additional systemic therapies; Locally advanced or metastatic urothelial cancer after prior platinum-based chemo and checkpoint inhibitor

2. Dosage and Administration

10 mg/kg IV on Days 1 and 8 of a 21-day cycle until disease progression or unacceptable toxicity
Infusion time: 1-3 hours for first infusion; may reduce to 1 hour if tolerated
Pre-medications: Antipyretics, H1 and H2 blockers, corticosteroids recommended. Atropine for early diarrhea.

3. Dosage Forms and Strengths

For injection: 180 mg lyophilized powder in single-dose vial

4. Contraindications

Refer to the complete prescribing information for contraindications. Trodelvy prescribing should account for patient-specific factors including hypersensitivity to the active ingredient or any excipients.

5. Warnings and Precautions
⚠ Boxed Warning
NEUTROPENIA: Severe, life-threatening, or fatal neutropenia may occur. Withhold for ANC <1500/mm³ or neutropenic fever. DIARRHEA: Severe diarrhea may occur. Withhold for Grade 3-4 diarrhea at the time of scheduled treatment.
  • Severe Neutropenia: Grade 3-4 in ~51% of patients. G-CSF recommended for secondary prophylaxis.
  • Severe Diarrhea: Grade 3-4 in ~12%. Manage with antidiarrheals.
  • Hypersensitivity/Infusion-Related Reactions: Pre-medicate.
  • Nausea and Vomiting: 3-agent antiemetic regimen recommended.
6. Adverse Reactions
Most Common Adverse Reactions

Neutropenia (64%), diarrhea (63%), nausea (62%), fatigue (52%), alopecia (38%), anemia (34%), vomiting (33%), constipation (31%)

Neutropenia
64%
Diarrhea
63%
Nausea
62%
Fatigue
52%
Alopecia
38%
Anemia
34%
Vomiting
33%
Constipation
31%

Consult the complete prescribing information for a comprehensive list of adverse reactions and their frequencies.

7. Drug Interactions

Consult the complete prescribing information for drug interactions, including effects on CYP enzymes, transporters, and concomitant medications that may require dose adjustments or monitoring.

8. Use in Specific Populations
Pregnancy

Consult the full prescribing information for pregnancy-related considerations.

Lactation

Refer to prescribing information for lactation guidance.

Pediatric Use

Pediatric safety and efficacy information is detailed in the full label.

Hepatic/Renal Impairment

Dose modifications for organ impairment are specified in the complete prescribing information.

12. Clinical Pharmacology
Mechanism of Action

Sacituzumab govitecan is an antibody-drug conjugate composed of a humanized anti-Trop-2 IgG1κ antibody conjugated to SN-38 (active metabolite of irinotecan) via a hydrolyzable CL2A linker. It targets Trop-2-expressing cancer cells, undergoes internalization, and releases SN-38 (a topoisomerase I inhibitor) to cause DNA damage and cell death.

Pharmacokinetics

Tmax: end of infusion. ADC half-life: ~16 hours. SN-38 (payload) half-life: ~18 hours. Clearance: 1.64 L/h. Vd: 15.1 L. SN-38 metabolized by UGT1A1 (Gilbert syndrome patients at higher risk for neutropenia). Excreted in urine (13%) and feces (55%).

14. Clinical Studies

Clinical efficacy and safety data supporting the approval are available in the full prescribing information and from the clinical trials listed below.

Pivotal Clinical Trials
Additional Resources
FDA-Approved Tumor Types

Trodelvy has FDA-approved indications across the following cancer types covered on PipelineEvidence:

External Resources
Important Notice: This page is intended as a navigational reference to the FDA-approved prescribing information for Trodelvy. It does not replace the full prescribing information. Healthcare professionals should consult the complete package insert available at DailyMed before making prescribing decisions. Patient-specific factors should always guide clinical decision-making.