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ABSTRACT: Background
We investigated the first-line activity of vinflunine in patients with penis cancer. Cisplatin-based combinations are commonly used, but survival is not prolonged; many patients are unfit for such treatment or experience toxicity that outweighs clinical benefit.Methods
Twenty-five patients with inoperable squamous carcinoma of the penis were recruited to a single-arm, Fleming-A'Hern exact phase II trial. Treatment comprised 4 cycles of vinflunine 320 mg/m2, given every 21 days. Primary endpoint was clinical benefit rate (CBR: objective responses plus stable disease) assessed after 4 cycles. Seven or more objective responses or disease stabilisations observed in 22 evaluable participants would exclude a CBR of <15%, with a true CBR of >40% being probable.Results
Twenty-two participants were evaluable. Ten objective responses or disease stabilisations were confirmed. CBR was 45.5%, meeting the primary endpoint; partial response rate was 27.3%. Seven patients received >4 cycles of vinflunine. Dose reduction or treatment delay was required for 20% of cycles. In all, 68% of patients experienced at least one grade 3 adverse event. Two deaths on treatment were not caused by disease progression.Conclusions
Pre-specified clinical activity threshold was exceeded. Toxicity was in keeping with experience in other tumours. Vinflunine merits further study in this disease.Trial registration
NCT02057913.
SUBMITTER: Nicholson S
PROVIDER: S-EPMC8727613 | biostudies-literature | 2022 Jan
REPOSITORIES: biostudies-literature
Nicholson Steve S Tovey Holly H Elliott Tony T Burnett Stephanie M SM Cruickshank Clare C Bahl Amit A Kirkbride Peter P Mitra Anita V AV Thomson Alastair H AH Vasudev Naveen N Venugopal Balaji B Slade Rachel R Tregellas Lucy L Morgan Bruno B Hassall Alison A Hall Emma E Pickering Lisa M LM
British journal of cancer 20211020 1
<h4>Background</h4>We investigated the first-line activity of vinflunine in patients with penis cancer. Cisplatin-based combinations are commonly used, but survival is not prolonged; many patients are unfit for such treatment or experience toxicity that outweighs clinical benefit.<h4>Methods</h4>Twenty-five patients with inoperable squamous carcinoma of the penis were recruited to a single-arm, Fleming-A'Hern exact phase II trial. Treatment comprised 4 cycles of vinflunine 320 mg/m<sup>2</sup>, ...[more]