Phase I, Two-Part, Multi-Center, First-in-Human Study of DS-6000a in Subjects With Advanced Renal Cell Carcinoma and Ovarian Tumors

Trial ID # NCT04707248
Phase I
Drug Class Antibody Drug Conjugates: CDH6
Drug Name Raludotatug deruxtecan
Alternate Drug Names DS-6000a
Drugs in Trial Raludotatug deruxtecan
Eligible Participant

Platinum resistant or refractory ovarian cancer

Patients Enrolled

60 patients, median 4 prior therapies (1-13), 92% Pt-R

Therapy Setting

Recurrence

Study Design

Open-Label, Non-randomized

Endpoints

ORR, DCR, DoR, PFS, evaluated per RECIST

Efficacy

Doses 4.8-8.0 mg/kg:
ORR: 46% (1CR, 22PR)
DCR: 98% (1CR, 22PR, 4uPR, 22SD
DoR: 11.2 months
PFS: 7.9 months

Clinically Significant Adverse Events

Serious AE: 2 grade 5 ILD at dose 8.0 mg/kg - dose has been discontinued
Grade 3-4 AE: overall (36.7%), anemia (18.3%), decreased neutrophil counts (11.7%)

Conclusion

Raludotatug deruxtecan (DS-6000a) is generally well tolerated and demonstrates encouraging clinical activity in heavily pretreated Pt-R OC without CDH6 preselection

Reference

Hamilton EP et al. Phase I, two-part, multicenter, first-in-human (FIH) study of DS-6000a in subjects with advanced renal cell carcinoma (RCC) and ovarian tumors (OVC). J Clin Oncol 40, 2022 (suppl 16; abstr 3002)
https://ascopubs.org/doi/10.1200/JCO.2022.40.16_suppl.3002

Hamilton EP et al. Slide from presentation
https://www.clearityfoundation.org/wp-content/uploads/2022/06/DS-6000a-ASCO-2022-slide.jpeg

Moore KN et al. Raludotatug deruxtecan (R-DXd; DS-6000) monotherapy in patients with previously treated ovarian cancer (OVC): Subgroup analysis of a first-in-human phase I study. Ann Oncol (2023) 34(2) abstract 745MO
https://www.clearityfoundation.org/wp-content/uploads/2023/11/R-Dxd-abstract-ESMO-2023.pdf

Moore KN et al. Slide from presentation
https://www.clearityfoundation.org/wp-content/uploads/2023/11/R-Dxd-ESMO-2023.pdf

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