Actively Recruiting

Phase 2
Age: 18Years +
All Genders
NCT05943379

RC48-ADC in Combination With Gemcitabine in High Risk NMIBC Subjects

Led by RemeGen Co., Ltd. · Updated on 2023-07-13

85

Participants Needed

1

Research Sites

181 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

In this study, participants with high risk non-muscle-invasive bladder cancer (NMIBC) who are BCG Naïve or BCG Unresponsive and are considered ineligible for or have refused to undergo radical cystectomy, will receive RC48-ADC in combination with gemcitabine.

CONDITIONS

Official Title

RC48-ADC in Combination With Gemcitabine in High Risk NMIBC Subjects

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Voluntary consent to participate and sign informed consent.
  • Male or female aged 18 years or older.
  • Diagnosed with high-risk non-muscle-invasive bladder cancer meeting specified criteria including stage T1 tumor, high-grade tumor, multiple or recurrent tumors excluding low-grade solitary tumors.
  • Histopathology confirming uroepithelial carcinoma without muscle invasion.
  • Completed TURBT with resection of all visible lesions within 3 weeks before dosing.
  • Clinical staging of cTa/T1±CIS, N0, M0 with no distant metastases based on imaging within 3 months prior.
  • For cohort 1: no prior BCG therapy due to refusal, contraindications, or inaccessibility.
  • For cohort 2: BCG non-response defined by persistent/recurrent high-risk NMIBC within 12 months of adequate BCG therapy or high-grade T1 disease after induction BCG.
  • Deemed unsuitable for or refused radical bladder surgery.
  • Tumor tissue HER2 expression of 1+ or higher by immunohistochemistry.
  • ECOG performance status 0 to 2.
  • Adequate cardiac, bone marrow, liver, and kidney function within 7 days prior to dosing.
  • Female participants surgically sterilized, post-menopausal, or agreeing to use approved contraception during treatment and for 6 months after, with negative pregnancy test.
  • Male participants agreeing to use approved contraception during treatment and for 6 months after.
  • Willing and able to comply with study and follow-up procedures.
Not Eligible

You will not qualify if you...

  • Muscle-invasive bladder cancer (T2 or above) or with regional lymph node or distant metastases.
  • Presence of extra-vesical uroepithelial carcinoma.
  • Received other antitumor therapies within 4 weeks prior to dosing, except one infusion chemotherapy dose immediately after TURBT.
  • Not recovered from adverse events of previous antitumor agents graded above 1 within 2 weeks prior.
  • Major surgery within 4 weeks prior to dosing or planned during study.
  • Positive viral tests for hepatitis B, hepatitis C, or HIV with active viral replication.
  • Received live vaccines within 4 weeks prior or planned during study (except COVID-19 vaccine).
  • Severe heart failure (NYHA grade 3 or higher).
  • Recent serious thrombotic or cardiovascular events within 6 months, except asymptomatic lacunar infarction.
  • Active infections needing systemic treatment.
  • Uncontrolled systemic diseases or serious comorbidities affecting treatment or anesthesia.
  • Any other condition or abnormality that poses high risk or affects study results.
  • Active autoimmune disease requiring systemic therapy before dosing, except replacement therapies.
  • Other cancers within 5 years except certain treated or stable malignancies.
  • Previous allogeneic hematopoietic stem cell transplant or organ transplant.
  • Known hypersensitivity to study drugs or components.
  • Pregnant or breastfeeding women.
  • Expected insufficient compliance with study participation.

AI-Screening

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Trial Site Locations

Total: 1 location

1

Peking University First Hosptital

Beijing, Beijing Municipality, China, 100034

Actively Recruiting

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How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NON_RANDOMIZED

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

2

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