Peripheral Neuropathy in Patients Receiving Enfortumab Vedotin and Pembrolizumab as Perioperative Systemic Therapy for Urothelial Carcinoma

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18+
SponsorComprehensive Cancer Center Munich (CCCM)

About this trial

P-EVOLVE is a prospective, multicenter, non-interventional observational study in adults with muscle-invasive urothelial carcinoma who receive perioperative treatment with enfortumab vedotin and pembrolizumab as part of routine clinical care.

The study is designed to describe how peripheral neuropathy develops and changes during treatment and whether symptoms persist at the end of treatment. Peripheral neuropathy will be assessed using patient-reported questionnaires, standardized neurological examinations, and nerve conduction studies. The study will also assess neuropathic pain, neurotoxicity-related quality of life, depressive symptoms, and changes in taste and smell. Objective gustatory function will be evaluated using standardized Taste Strip testing.

Study assessments will be performed before treatment, during the neoadjuvant and adjuvant treatment phases, around radical cystectomy, and at the end of treatment. Participation in the study does not determine whether treatment is started or how treatment is given. All anticancer treatment decisions remain part of routine clinical care.

The study aims to improve understanding of the onset, severity, longitudinal course, and persistence of peripheral neuropathy associated with perioperative enfortumab vedotin and pembrolizumab and to compare patient-reported symptoms with objective neurological and neurophysiological findings.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Adult patients ≥18 years of age at the time of signing the informed consent form (ICF)

Patients with histologically confirmed muscle-invasive urothelial carcinoma

Patients who have not received any prior systemic treatment for muscle-invasive bladder cancer

Patients who are eligible to receive enfortumab ve-dotin and pembrolizumab according to the respec-tive medicinal product information

Disqualifiers

Patients with contraindications to enfortumab ve-dotin and/or pembrolizumab

Patients who have received prior systemic therapy for muscle-invasive bladder cancer (e.g. platinum-based chemotherapy, immune checkpoint inhibitors)

Patients who have previously been treated with en-fortumab vedotin, other MMAE-based antibody-drug conjugates, or PD-(L)1 inhibitors

Trial population

Patients meeting the eligibility criteria and are treated at the tertiary care centers LMU Munich, TUM Munich, and Krankenhaus Barmherzige Bürde Munich.

Trial design

Design model

Cohort

Time perspective

Prospective

Treatments tested in this trial

Not listed

Trial groups

No trial groups listed

Trial outcomes

Primary outcomes

1

Change From Baseline to End of Treatment in Sensory Peripheral Neuropathy Symptoms Assessed by the EORTC QLQ-CIPN20 Sensory Subscale

Change from baseline to end of treatment (EOT) in the sensory subscale score of the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire-Chemotherapy-Induced Peripheral Neuropathy 20 (EORTC QLQ-CIPN20). The sensory subscale is scored according to the EORTC scoring manual and linearly transformed to a 0 to 100 scale, with higher scores indicating greater peripheral neuropathy symptom burden. The individual change score is calculated as the EOT score minus the baseline score.

Time frame
Baseline, within 14 days before initiation of neoadjuvant therapy, to end of treatment (EOT) ±14 days

Secondary outcomes

1

Change From Baseline Over Time in Peripheral Neuropathy Symptoms Assessed by the EORTC QLQ-CIPN20

Longitudinal change in peripheral neuropathy symptoms assessed using the sensory, motor, and autonomic subscales of the EORTC QLQ-CIPN20. Subscale scores are calculated according to the EORTC scoring manual and transformed to a 0 to 100 scale, with higher scores indicating greater peripheral neuropathy symptom burden. Change from baseline will be evaluated at each post-baseline assessment.

Time frame
Baseline; within 14 days before radical cystectomy; start of adjuvant therapy ±14 days; weeks 12, 21, and 30 of adjuvant therapy ±14 days; and EOT ±14 days
2

Change Over Time in Peripheral Neuropathy Assessed by the Patient Neurotoxicity Questionnaire

Change and longitudinal course of patient-reported peripheral neuropathy assessed using the Patient Neurotoxicity Questionnaire (PNQ). The PNQ evaluates sensory and motor neurotoxicity using five ordered response categories from A to E. Increasing response categories indicate greater symptom severity and functional impairment.

Time frame
Baseline; within 14 days before radical cystectomy; start of adjuvant therapy ±14 days; weeks 12, 21, and 30 of adjuvant therapy ±14 days; and EOT ±14 days
3

Change From Baseline Over Time in Neuropathic Pain Assessed by the Neuropathic Pain Symptom Inventory

Change and longitudinal course of neuropathic pain assessed using the Neuropathic Pain Symptom Inventory (NPSI). The NPSI total score will be assessed at each scheduled time point, and change from baseline will be evaluated at post-baseline assessments and at EOT. The NPSI consists of 12 items assessing different characteristics of neuropathic pain, with symptom intensity items rated on an 11-point scale from 0 to 10.

Time frame
Baseline; within 14 days before radical cystectomy; start of adjuvant therapy ±14 days; weeks 12, 21, and 30 of adjuvant therapy ±14 days; and EOT ±14 days
4

Change From Baseline in Neuropathy-Related Quality of Life Assessed by the FACT/GOG-NTX

Change and longitudinal course of neuropathy-related patient-reported outcomes assessed using the Functional Assessment of Cancer Therapy/Gynecologic Oncology Group-Neurotoxicity (FACT/GOG-NTX) questionnaire. The FACT/GOG-NTX total score will be assessed during treatment, with change from baseline to EOT included as a prespecified endpoint.

Time frame
Baseline; within 14 days before radical cystectomy; start of adjuvant therapy ±14 days; weeks 12, 21, and 30 of adjuvant therapy ±14 days; and EOT ±14 days

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Comprehensive Cancer Center Munich (CCCM)

Lead sponsor

Department of Urology, TUM Klinikum rechts der Isar, Munich, Germany

Collaborator

Department of Urology, Krankenhaus Barmherzige Brüder, Munich, Germany

Collaborator

Department of Urology, LMU University Hospital, Munich, Germany

Collaborator