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A Study of T3011 in Patients With BCG-Unresponsive NMIBC or BCG-Exposed, Chemotherapy-Unresponsive NMIBC

  • PhasePhase 2
  • StatusRecruiting
  • Planned enrollment160 people
  • Recruiting US sites9
  • SponsorImmVira Pharma Co. Ltd
  • RegistryNCT06971614

Recruitment re-checked on ClinicalTrials.gov Oct 30, 2026. Public record; not medical advice.

A Study of T3011 in Patients With BCG-Unresponsive NMIBC or BCG-Exposed, Chemotherapy-Unresponsive NMIBC: a one-minute explainerNCT069716141 min

Eligibility

Who can join

The film gives the main points. The full list below is copied from the registry; the study team makes the final decision.

  • Age18 Years to no maximum
  • SexAll
  • Healthy volunteersNo

You may be able to join if

  • Participants may enter the study only if they meet all the following criteria:
  • Male or female, aged ≥18 years at the time of signing the ICF.
  • The participants will need to meet the following criteria:
  • Participants with a histologically confirmed diagnosis of NMIBC (Ta, T1 and/or Cis).
  • During the study, the participants must voluntarily comply with the study-specified cystoscopy, urine cytology and randomized biopsy.
  • All toxicities caused by prior radiotherapy, chemotherapy or other treatments have recovered to Grade ≤1 (CTCAE 5.0) (except for alopecia), including but not limited to urinary tract infection, urinary tract irritation, and macroscopic hematuria; participants with Grade >1 anti-neoplastic treatment-related toxicities during the screening period may be enrolled after discussion of the investigators and the sponsor.
  • Eastern Cooperative Oncology Group (ECOG) performance status score of 0-2.
  • Expected survival ≥24 weeks.
  • Laboratory test values meeting the following requirements :
  • Hematology ANC≥1.5×10^9/L. PLT count ≥75×10^9/L. Hemoglobin (HGB) ≥90 g/L.
  • Renal function Creatinine clearance ≥60 mL/min (based on Cockcroft-Gault equation for calculation)
  • Hepatic function Serum total bilirubin (TBIL) ≤1.5×ULN. Asparate aminotransferase (AST) and alanine transaminase (ALT) ≤2.5×ULN Serum ALB ≥30 g/L.
  • Coagulation function International normalized ratio (INR) or prothrombin time (PT) ≤1.5×ULN. Activated partial thromboplastin time (aPTT) ≤1.5×ULN.
  • For women of childbearing potential (WOCBP), the serum pregnancy test prior to the first dose must be negative and the potential participant must promise to use medically acceptable and effective methods of contraception. after signing the ICF until at least 6 months after the last dose.
  • Male participants of child-bearing potential must agree to use medically acceptable and effective methods of contraception after signing the ICF until at least 6 months after the last dose; in addition, male potential participants must agree not to donate sperm during this period.
  • Participants who understand and voluntarily sign the written ICF and are willing and able to comply with all trial requirements.

You cannot join if

  • Participants meeting any of the following criteria will not be allowed to participate in this study:
  • Participants meet the following criteria:
  • Concurrent or prior history of muscle-invasive (muscularis propria) or metastatic bladder cancer.
  • Urothelial carcinoma of the upper genitourinary tract or prostatic urethra within 24 months prior to investigational product.
  • Having received chemotherapy, biotherapy, endocrine therapy, targeted therapy, immunotherapy, investigational product or other anti-neoplastic therapies within 4 weeks prior to investigational product.
  • Having received radiotherapy within 2 weeks prior to investigational product.
  • Planning to receive any anti-neoplastic therapy other than the investigational products during this study.
  • A history of allergic reactions to HSV-1, IL-12, or anti-PD-1 antibodies or biological components similar to them, or known allergic reactions to any component of the T3011 formulation.
  • A history of brain metastasis or imaging-confirmed brain metastasis , leptomeningeal disease, or spinal cord compression.
  • Concurrent or prior history of other malignancies than that treated in this study.
  • History or evidence of high-risk cardiovascular diseases, including but not limited to:
  • Serious cardiac rhythm or conduction abnormalities.
  • Acute myocardial infarction, unstable angina, or stroke, etc., developing within 6 months prior to the first dose of the investigational products.
  • Coronary angioplasty or stenting within 6 months prior to the first dose of the investigational products.
  • New York Heart Association (NYHA) criteria-defined cardiac function > Class II; echocardiogram-documented cardiac valve morphological abnormalities (Grade ≥2).
  • Left ventricular ejection fraction (LVEF) ˂lower limit of normal (LLN) of the study site, or ˂ 50% if no LLN is set at the site.
  • Poorly controlled blood pressure .
  • The following prior or concurrent immune disorders that in the investigator's opinion would pose unpredictable risks to the participants:
  • Immune-related pneumonia or other immune-related adverse reactions of Grade ≥3 developing with prior immunotherapy (including but not limited to PD-1/PD-L1).
  • Concurrent active immune diseases requiring treatment with systemic immunosuppressants (excluding autoimmune diseases not requiring intervention such as vitiligo and diseases treatable by other alternative drugs such as hypothyroidism that is treated with thyroid hormone replacement therapy originally), or concurrent immune diseases requiring treatment with systemic immunosuppressants that have the potential to recurrence (e.g., systemic lupus erythematosus).
  • Other concurrent diseases require treatment with systemic immunosuppressants.
  • Unexplainable fever >38.5℃ during the screening or on the day of treatment (fever judged as tumor-induced by the investigator is eligible for enrollment) that in the investigator's opinion will affect the participation in this trial or interfere with the efficacy assessment.
  • The following persistent or active infections: human immunodeficiency virus (HIV) antibody-positive, hepatitis B surface antigen [HBsAg] positive with HBV DNA level ≥2000 IU/mL, hepatitis C virus (HCV) antibody positive with detectable HCV RNA, and other active infections requiring systemic treatment.
  • Prior history of splenectomy or organ transplantation.
  • Having previously received treatment with oncolytic virus (e.g., T-VEC, CG0070).
  • Requiring oral or intravenous use of anti-herpes virus drugs, including but not limited to acyclovir, valaciclovir, penciclovir, famciclovir, ganciclovir, foscarnet, and cidofovir (except for those to be used locally, such as topically), during the study.
  • Participants with known psychiatric disorders that may affect compliance in trial or with poor compliance.
  • Participants with a history of drug abuse (including "recreational use") or substance abuse (including alcohol) within one year prior to signing ICF.
  • Being pregnant or breast feeding, or planning to become pregnant or give birth during this trial.
  • Having received any live attenuated vaccine within 4 weeks prior to investigational product or planning to receive such vaccines during the study.
  • Having undergone a major surgery.
  • Any diseases that at the investigator's discretion may confound the trial results, interfere with the participation in the entire trial, and/or would make participating in the trial not in the participant's best interest, or a medical history with treatment or laboratory abnormalities, or any other circumstances that would make it inappropriate for the participant to be enrolled.

The treatment

How it is intended to work

This is how the treatment is meant to work. Whether it helps, and how safe it is, is what this trial is testing.

oncolytic HSV-1-expressing IL-12 and anti-PD-1 antibody T3011. A genetically engineered oncolytic herpes simplex virus type 1 (oHSV-1) expressing the human immunostimulating cytokine interleukin-12 (IL-12) and an antibody directed against the negative immunoregulatory human cell receptor programmed cell death protein 1 (PD-1; PDCD1; CD279), with potential immune checkpoint inhibitory and antineoplastic activities. Upon intratumoral administration, oHSV-1 expressing IL-12 and anti-PD-1 antibody T3011 infects and replicates in tumor cells causing viral-mediated tumor cell lysis. The released virus particles, in turn, infect and replicate in neighboring tumor cells. Tumor antigens released from the lysed tumor cells also activate the immune system to induce a tumor-specific systemic immune and cytotoxic T-lymphocyte (CTL) response, thereby killing nearby non-infected tumor cells. In addition, oHSV-1 expressing IL-12 and anti-PD-1 antibody T3011 promotes the secretion of IL-12 and anti-PD-1 antibody by the tumor cells. IL-12 promotes the activation of natural killer cells, which induces both the secretion of interferon-gamma and a cytotoxic T-lymphocyte (CTL) response against the tumor cells. This results in both immune-mediated tumor cell death and further inhibition of tumor cell proliferation. Anti-PD-1 antibody targets, binds to and inhibits PD-1 and its downstream signaling pathways. This may restore immune function through the activation of T-cells and T-cell-mediated immune responses against tumor cells. PD-1, a transmembrane protein in the immunoglobulin superfamily (IgSF) expressed on T cells, functions as an immune checkpoint that negatively regulates T-cell activation and effector function when activated by its ligands programmed cell death-1 ligand 1 (PD-L1) or 2 (PD-L2); it plays an important role in tumor evasion from host immunity. NCI Drug Dictionary

Treatments listed in the registry

  • T3011 (Biological): T3011 will be administered at a dose of 1x10^10 PFU intravesically.

The study

Treatment groups

Na · Single Group · masking: None

T3011 (Experimental)

T3011 will be given once a week (QW) for 6 weeks during the induction treatment course, the following 6 weeks are only for observation and then the 3-month efficacy assessment will be conducted. During the maintenance period, T3011 will be given every 3 weeks (Q3W) until about 24 months or meeting the criteria for treatment discontinuation.

Goals

What the study measures

Main goals

  • Complete Response Rate in patients with CIS (3,6,12 months time point from the date of the first dose of T3011)
  • Recurrence Free Survival Rate in patients with Ta/T1 (without CIS) (3,6,12 months time point from the date of the first dose of T3011)
  • Incidence rates of Grade ≥3 treatment-related adverse events (TRAEs) (24 months)
  • Incidence rates of TRAEs leading to treatment discontinuation, dose modification or treatment interruption. (24 months)

Other goals

  • Complete Response Rate in patients with CIS
  • Recurrence Free Survival Rate in patients with Ta/T1 (without CIS)
  • Safety Endpoints

Planned enrollment: 160 (estimated).

Where

Recruiting US sites

  • East Valley Urology Center, Queen Creek, Arizona
  • Tower Urology, Los Angeles, California
  • Advent Health Medical Group Urology, Orlando, Florida
  • Florida Urology Partners, LLP, Tampa, Florida
  • Rutgers Cancer Institute, New Brunswick, New Jersey
  • University of Cincinnati Medical Center, Cincinnati, Ohio
  • Helios Clinical Research, Middleburg Heights, Ohio
  • Allegheny Health Network, Pittsburgh, Pennsylvania
  • Carolina Urologic Research Center, Myrtle Beach, South Carolina

Site status as of Oct 30, 2026. Check the live record before contacting a site.

Sources

Where this comes from

Registry record reviewed as fetched Oct 30, 2026, last updated by the sponsor Aug 17, 2026. Public record; not medical advice.

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