Registered outcomes15

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

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List	Outcome	Time frame	Description
Primary	Number of Grades 1-5 Adverse Events	Through study completion, an average of 315 days	Adverse events were assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0). A non-serious adverse event is any untoward medical occurrence. A serious adverse event is an adverse event or suspected adverse reaction that results in death, a life-threatening adverse drug experience, hospitalization, disruption of the ability to conduct normal life functions, congenital anomaly/birth defect or important medical events that jeopardize the patient or subject and may require medical or surgical intervention to prevent one of the previous outcomes mentioned. Grade 1 is mild, grade 2 is moderate, grade 3 is severe, grade 4 is life-threatening, and grade 5 is death related to adverse event.
Secondary	Urinary Epithelial Cell Adhesion Molecule (EpCAM) Compared Between Participants Who Have a Clinical Response to Therapy vs. Those Who Do Not Respond	Baseline, week 1, weeks 2-5, week 6, week 10, week 12	Urinary EpCAM will be measured and will be compared between participants who have a clinical response to therapy vs. those who do not respond. Although it is expected to have low power, a comparison of the EpCAM levels may be compared between the two response categories using a Wilcoxon rank sum test, with the resulting p-value intended to help describe the differences noted.
Secondary	Response Rate	From enrollment until event occurrence (recurrence, progression); twelve weeks.	The response to treatment will be determined for evaluable participants who receive treatment and was measured as follows: Recurrence is suspected and/or determined by urine cytology and/or cystoscopic exam and then confirmed pathologically after a transurethral resection of bladder tumor (TURBT). Complete response rate for carcinoma in situ (CIS) is defined as the absence of CIS upon follow-up biopsies. Disease progression is defined as upstaging from a lower stage to a higher stage (e.g., Ta to T1-T4 or T1 to T2-4; CIS to T1 or CIS to T2-T4; or any N+ or M+ in these high-grade tumors).
Secondary	Pharmacokinetic Parameters in Urine Maximum Concentration (Cmax) of Vicineum	Baseline, week 1, week 6, week 12	Evaluate the pharmacokinetic parameters of Vicineum obtained by urine samples. Urinary Vicineum (in ng/mL).
Secondary	Change in Programmed Death-ligand 1 (PD-L1) Levels Between Responders and Non-Responders	Baseline and after treatment with both agents, from enrollment up to 5 weeks	PD-L1 levels will be obtained at baseline and after treatment with both agents. The change in levels will be determined between the two measurements, and these changes will be compared between responders and non-responders. Although it is expected to have low power, in each case the comparisons between the two response categories will be made using a Wilcoxon rank sum test, with the resulting p-value intended to help describe the differences noted.
Secondary	Change in Programmed Cell Death Protein 1 (PD-1) Levels Between Responders and Non-Responders	baseline and after treatment with both agents	Programmed Cell Death Protein 1 (PD-1) levels will be obtained at baseline and after treatment with both agents. The change in levels will be determined between the two measurements, and these changes will be compared between responders and non-responders. Although it is expected to have low power, in each case the comparisons between the two response categories will be made using a Wilcoxon rank sum test, with the resulting p-value intended to help describe the differences noted.
Secondary	Change in Programmed Death-ligand 1 (PD-L1) Levels Between Participants Who Respond and Have Stable Disease (SD), and Those With Progressive Disease (PD)	Baseline and after treatment, from enrollment up to 5 weeks	PD-L1 levels will be obtained at baseline and after treatment with both agents. The change will be compared between those who respond or have stable disease (SD (clinical benefit=Complete Response (CR)+Partial Response (PR)+SD) and those with progressive disease (PD). Although it is expected to have low power, in each case the comparisons between the two response categories will be made using a Wilcoxon rank sum test, with the resulting p-value intended to help describe the differences noted.
Secondary	Change in Programmed Cell Death Protein 1(PD-1) Levels Between Participants Who Respond and Have Stable Disease (SD), and Those With Progressive Disease (PD)	baseline and after treatment	PD-1 levels will be obtained at baseline and after treatment with both agents. The change will be compared between those who respond or have stable disease (SD (clinical benefit=Complete Response (CR)+Partial Response (PR)+SD) and those with progressive disease (PD). Although it is expected to have low power, in each case the comparisons between the two response categories will be made using a Wilcoxon rank sum test, with the resulting p-value intended to help describe the differences noted.
Secondary	Changes in the Immune Parameters Obtained From Blood Samples	baseline, 3 weeks, and 5 weeks	All evaluable participants will have determinations of many immune parameters at baseline, 3 months, and 6 months. The changes in the parameters obtained from blood samples will be determined at baseline vs. 3 months, and baseline vs. 6 months. Comparisons of the paired values will be performed using a Wilcoxon signed rank test, and a Hochberg adjustment may be used.
Secondary	Changes in the Immune Parameters Obtained From Biopsies	baseline, 3 months, and 6 months	All evaluable participants will have determinations of many immune parameters at baseline, 3 months, and 6 months. The changes in the parameters obtained from biopsies will be obtained from baseline vs. a single second biopsy at 6 months. Comparisons of the paired values will be performed using a Wilcoxon signed rank test, and a Hochberg adjustment may be used.
Secondary	Disease Free Survival (DFS)	Assessed from start of therapy to disease recurrence or last follow up; up to 1 year.	A DFS curve will be created using the Kaplan-Meier method based on all participants considered to be evaluable based on having received protocol treatment. DFS survival is defined as the time from the start of treatment until disease recurrence or death. Recurrence is suspected and/or determined by urine cytology and/or cystoscopic exam and then confirmed pathologically after a bladder biopsy or transurethral resection of bladder tumor (TURBT).
Other	Number of Participants With Serious and/or Non-serious Adverse Events Assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0)	Through study completion, an average of 315 days.	Here is the number of participants with serious and/or non-serious adverse events assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0). A non-serious adverse event is any untoward medical occurrence. A serious adverse event is an adverse event or suspected adverse reaction that results in death, a life-threatening adverse drug experience, hospitalization, disruption of the ability to conduct normal life functions, congenital anomaly/birth defect or important medical events that jeopardize the patient or subject and may require medical or surgical intervention to prevent one of the previous outcomes mentioned.
Other	Maximum Tolerated Dose (MTD) of Durvalumab	6 weeks	The MTD will be identified based on being the dose level at which 0 or 1 participants in 6 has a dose-limiting toxicity (DLT). A DLT will be defined as any Grade 3 or higher toxicity that occurs during the initial 6-week period the subject is on treatment (i.e., the DLT evaluation period). Grade 3 is severe, grade 4 is life-threatening and grade 5 is death related to adverse event.
Other	Maximum Tolerated Dose (MTD) of Vicineum	6 weeks	The MTD will be identified based on being the dose level at which 0 or 1 participants in 6 has a dose-limiting toxicity (DLT). A DLT will be defined as any Grade 3 or higher toxicity that occurs during the initial 6-week period the subject is on treatment (i.e., the DLT evaluation period). Grade 3 is severe, grade 4 is life-threatening and grade 5 is death related to adverse event.
Other	Dose-Limiting Toxicity (DLT)	6 weeks	A DLT will be defined as any Grade 3 or higher toxicity that occurs during the initial 6-week period the subject is on treatment (i.e., the DLT evaluation period). Grade 3 is severe, grade 4 is life-threatening and grade 5 is death related to adverse event.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
ClinicalTrials.govNo license stated
NIH RePORTER's clinical studies and project filesPublic domain

Each source's terms

ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
ClinicalTrials.govnone stated
NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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