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To Evaluate the Safety, Efficacy, and Pharmacokinetics of Intravesical Instiliations of Disitamab Vedotin in Patients With High-risk Non-muscular Invasive Bladder Cancer (NMIBC) That Express HER2

R

RemeGen

Status and phase

Enrolling
Phase 2
Phase 1

Conditions

High-risk Non-muscle Invasive Bladder Cancer

Treatments

Drug: Disitamab Vedotin for injection

Study type

Interventional

Funder types

Industry

Identifiers

NCT06378242
RC48-C029

Details and patient eligibility

About

The purpose of this study is to evaluate the safety, efficacy, and pharmacokinetics of intravesical instiliations of Disitamab Vedotin in patients with high-risk non-muscular invasive bladder cancer (NMIBC) that express HER2

Full description

This is a single-arm, multicenter phase I/II clinical study to evaluate the safety, efficacy, and pharmacokinetics of intravesical instiliations of Disitamab Vedotin in patients with high-risk non-muscular invasive bladder cancer (NMIBC) that express HER2.

Enrollment

24 estimated patients

Sex

All

Ages

18 to 75 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Voluntary consent to participate in the study and signed the informed consent form.

  2. Male or female, age 18-75 years (including both).

  3. Histologic confirmed non-muscle invasive bladder urothelial carcinoma (NMIBC), and the risk group met the high-risk (including very high-risk) group.

    Note: High-risk NMIBC is a high-grade / G3 tumor meeting any of the following:

    a.Carcinoma in situ (CIS) b. T1 stage c. diameter>3cm d.Multiple tumors, or recurrent tumors.

  4. Absence of resectable disease(Ta and/or T1 disease) after transurethral resection (TURBT) procedures (residual CIS acceptable;

  5. The urologist assessed that radical surgery for bladder cancer was not suitable or the subject refused radical surgery for bladder cancer.

  6. Tumor tissue samples were detected by immunohistochemistry (IHC) to satisfy HER2 expression of 1+, 2+ or 3+.

  7. Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.

  8. Adequate heart, bone marrow, liver, kidney and coagulation function

Exclusion criteria

    1. Invasive bladder cancer (T2 and above) and / or with regional lymph node and distant metastasis.

    2. Combined urothelial carcinoma outside the bladder (i. e., urethra, ureter or renal pelvis).

    3. Any other antitumor therapy received within 4 weeks before study administration, .

    4 Subjects plan to undergo major surgery during the study or within 4 weeks before the first dose.

    5, Known allergic to DV and its components or to any excipients.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

24 participants in 1 patient group

Disitamab Vedotin Intravesical instiliations :Dose escalation cohort
Experimental group
Description:
Participants will receive Disitamab Vedotin for injection Intravesical instiliations into the bladder for 1 hour, D1, once a week.
Treatment:
Drug: Disitamab Vedotin for injection

Trial contacts and locations

6

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Central trial contact

Hong Luo

Data sourced from clinicaltrials.gov

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