First-Line Anlotinib Treatment for Soft-Tissue Sarcoma in Chemotherapy-Ineligible Patients: An Open-Label, Single-Arm, Phase 2 Clinical Trial
Abstract
Abstract Purpose: Standard treatment for patients with unresectable locally advanced or metastatic soft-tissue sarcoma (LA/M STS) is chemotherapy based on anthracyclines, but patient tolerance of chemotherapy is limited. The present trial (NCT03792542) investigated the use of anlotinib as first-line treatment for patients with advanced STS, in particular liposarcoma. Patients and Methods: Eligible patients were previously untreated, pathologically confirmed, unresectable LA/M STS cases. Anlotinib was given orally at a dose of 12 mg once daily from days 1 to 14 every 3 weeks until disease progression or intolerable adverse events (AE) occurred. The primary endpoint was progression-free survival (PFS), and the secondary endpoints were overall survival (OS), objective response rate, and disease control rate (DCR). The safety profile was also evaluated. Results: Forty patients were enrolled from April 2019 to June 2022 and are included in the intention-to-treat analysis. The median PFS was 6.83 months [95% confidence interval (CI), 4.17–8.71] and the median OS 27.40 months (95% CI, 16.43–not evaluable); 1 patient reached partial response and 26 attained stable disease, with a DCR of 67.5% (27/40). Median PFS and OS times for liposarcoma patients were 8.71 and 16.23 months, respectively. Ten (25.0%) patients had treatment-related AEs ≥ grade 3, with in particular a higher incidence of hypertension (15.0%) and proteinuria (7.5%). Conclusions: The findings suggest a potential…
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