Bladder Tumors

This phase I study evaluates intravesical calcium electroporation (CaEP) with a new transurethral electrode. The study is primarily designed to assess the safety of CaEP and secondarily, to preliminary explore the efficacy in patients with limited alternative therapies. The anticipated benefits and structured safety precautions justify the ethical conduct of the investigation.

Main objectives: Qualitative and quantitative monitoring of recurrences in patients with a previous diagnosis of high-grade bladder cancer at high risk of persistence/recurrence. Endpoints: Presence or absence of mRNA in urine with a dichotomous result; concordance between Xpert BM and histopathological examination Clinical relevance: reduces by half the number of (invasive) cystoscopies during follow-up. The non-invasive nature of the test could improve patient compliance with follow-up. Interventional study because it would reduce by half the number of cystoscopies during follow-up of bladder cancer which is considered the gold standard in the follow-up of this tumor. However, these markers are already CE validated and described in the European guidelines and for this reason the risk would be low.

This is a Phase II, single-arm, study of pembrolizumab as maintenance therapy in muscle-invasive bladder cancer (MIBC) participants who have received maximum TURBT and tri-modality treatment (TMT) and achieved CR. All participants will receive pembrolizumab monotherapy per 21 days no longer than 17 cycles until disease progression or death.