ESMO gastrointestinal oncology · 2025
TROPHIT1-a randomized, open-label, multicenter, phase II/III trial of sacituzumab govitecan compared to standard of care in metastatic colorectal cancer patients.
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Köhler B C, Haag G M, Le Cornet L, Hoffmeister-Wittmann P, Schmidt M, Manjunath A, Vaquero-Siguero N, Jenzer M, Gimmel M, Stahler A, Stein A, Reichert M, Kasper S, Bitzer M, Jäger D, Springfeld C, Weber T F, Fröhling S, Steindorf K, Trumpp A, Schlenk R F, Jackstadt R
Аннотация
BACKGROUND: Colorectal cancer (CRC) ranks among the most common malignancies worldwide. Response rates to standard-of-care (SOC) treatment drop sharply beyond the second treatment line. Trophoblast cell surface antigen-2 (TROP2) acts in a plethora of cellular processes and ectopic expression is detected in a significant percentage of CRCs. Sacituzumab govitecan (SG) is composed of a TROP2-directed antibody armed with the topoisomerase inhibitor SN38. Thus, SG delivers SN38 to TROP2-expressing cancer cells. SG is approved for the treatment of metastatic breast cancer. Phase I/II data revealed a favorable safety profile and early signs of clinical activity in unselected metastatic CRC (mCRC).
PATIENTS AND METHODS: TROPHIT1 is an open-label, randomized, multicenter, phase II/III trial to investigate the efficacy of SG in mCRC. Patients being refractory to ≥2 lines of prior therapy and an irinotecan-free interval of at least 6 months are enrolled. In the first part of the study, 20 patients are enrolled in the single-agent SG arm. Upon clinical efficacy in the first part, additional 60 patients are randomized (1 : 1) in the second part to single-agent SG compared with SOC. The primary endpoint is progression-free survival. TROPHIT1 contains a translational research program to unravel the determinants of resistance.
PATIENTS AND METHODS: TROPHIT1 is an open-label, randomized, multicenter, phase II/III trial to investigate the efficacy of SG in mCRC. Patients being refractory to ≥2 lines of prior therapy and an irinotecan-free interval of at least 6 months are enrolled. In the first part of the study, 20 patients are enrolled in the single-agent SG arm. Upon clinical efficacy in the first part, additional 60 patients are randomized (1 : 1) in the second part to single-agent SG compared with SOC. The primary endpoint is progression-free survival. TROPHIT1 contains a translational research program to unravel the determinants of resistance.