CaboPoint, a phase II, open-label study of cabozantinib as second-line therapy for patients with clear cell metastatic renal cell carcinoma (RCC), whose disease progressed after therapy with checkpoint inhibitors (CPIs).

Authors

Laurence Albiges

Laurence Albiges

Medical Oncology, Gustave Roussy, Université Paris-Saclay, Villejuif, France

Laurence Albiges , Manuela Schmidinger , Naila Taguieva Pioger , David Pérol , Viktor Grünwald

Organizations

Medical Oncology, Gustave Roussy, Université Paris-Saclay, Villejuif, France, Medical University of Vienna, Vienna, Austria, Ipsen Pharma, Boulogne-Billancourt, France, Departement of Clinical Research, Centre Léon-Bérard, Lyon, France, Dept. Hematology, Hemostaseology, Oncology & Stem Cell Transplantation, Hannover Medical School, Hannover, Germany

Research Funding

Pharmaceutical/Biotech Company
Ipsen.

Background: Cabozantinib, a tyrosine kinase inhibitor with activity against vascular endothelial growth factor (VEGF) receptors, MET and AXL, is approved for the treatment of advanced RCC (in the USA) in treatment-naïve patients with intermediate or poor risk, as well as following VEGF-targeted therapy (in Europe). Here we present the design of the CaboPoint study evaluating the efficacy and safety of cabozantinib in patients with clear-cell metastatic RCC, whose disease progressed after CPI therapy. Methods: CaboPoint is a phase II, open-label (OL), single-arm study of cabozantinib in adults with unresectable, locally advanced or metastatic RCC with a clear-cell component, whose disease progressed after CPI therapy with ipilimumab and nivolumab alone (cohort A) or in combination with VEGF-targeted therapy (cohort B). The primary endpoint is objective response rate, evaluated by independent review committee. Secondary endpoints include time to response, duration of response, disease control rate, progression-free survival and overall survival. Change in disease-related symptoms and safety/tolerability will also be assessed. During the pre-treatment period, potential participants will attend a screening visit within 15 days of treatment initiation to determine eligibility status. During the treatment period, a target of 250 eligible patients (n = 125 per cohort) at 50 sites across AT, CH, DE, ES, FR, NL and UK will receive OL cabozantinib (60 mg once daily; self-administered at home) for up to 18 months after the last recruited patient has received their first dose. Safety assessments will be conducted every 2 weeks up to week 4, and every 4 weeks thereafter. Patients may continue on cabozantinib after disease progression if clinical benefit is observed. During the post-treatment follow-up period, patients who discontinue early will be contacted at visits every 12 weeks to assess survival status and subsequent anticancer therapy. Each cohort will have an interim analysis when 60% of the patients have reached 12 months of follow-up. The study is funded by Ipsen Pharma. Clinical trial information: NCT03945773

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Abstract Details

Meeting

2020 Genitourinary Cancers Symposium

Session Type

Trials in Progress Poster Session

Session Title

Trials in Progress Poster Session C: Renal Cell Cancer

Track

Renal Cell Cancer

Sub Track

Other

Clinical Trial Registration Number

NCT03945773

Citation

J Clin Oncol 38, 2020 (suppl 6; abstr TPS772)

Abstract #

TPS772

Poster Bd #

L6

Abstract Disclosures

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