Phase II Single Center Open-Label Single-Arm Study of the Safety and Efficacy of Oncolytic Adenovirus H101 Combined With PD-1 Inhibitor in Patients With Non-muscle-invasive Bladder Cancer Who Failed BCG Therapy

  • End date
    Dec 31, 2024
  • participants needed
  • sponsor
    Zhejiang Cancer Hospital
Updated on 20 October 2022
neutrophil count
invasive bladder cancer
bladder tumor


H101 is an E1B55KD deleted oncolytic adenovirus, which is the first and only adenovirus to be approved by China State Food and Drug Administration in 2005 for treating head and neck cancer. The objective of this phase II clinical trial is to investigate the safety and efficacy of H101 combined with PD-1 inhibitor Camrelizumab in patients with non-muscle-invasive bladder cancer who failed BCG therapy.


CHUCAS-030 (Cancer Hospital, University of Chinese Academy of Sciences) is a phase II trial conducted at Cancer Hospital, University of Chinese Academy of Sciences in the Zhejiang Province, China. Eligible patients are 18 to 80 years old with non-muscle-invasive bladder cancer who has previously failed BCG therapy and refuse cystectomy. Patients receive a combination therapy of PD-1 inhibitor Camrelizumab with oncolytic adenovirus H101 for up to 1 year. Camrelizumab are administered at dose of 200 mg i.v. every 3 weeks. H101 are instilled intravesically after 14 days from the most recent biopsy and in the absence of any evidence of hematuria with a fixed dose of 5×10*11 Vp in a 50 mL normal saline solution via a catheter, and dwell time is 1 to 2 hours, and patients are encouraged to reposition to maximize bladder surface exposure. Intravesical H101 is instilled weekly for 6 weeks for both induction and maintenance treatments. Patients who experienced unacceptable toxicities or clinical or documented progressive disease are discontinued from the study. The duration of any objective response is measured from the date the initial response is observed to the date that disease progression is observed. Response assessment with cystoscopy, bladder biopsy of visually positive lesions and urine cytology are first evaluated after induction at 3 months. Patients with complete response (CR) at 3 months receive no intervention and are reevaluated at 6 months. Patients with stable disease (SD) receive maintenance treatment at 3 to 4 months. Patients with progressive disease (PD) are deemed non-responders and strongly counseled to reconsider cystectomy or alternative treatment. Patients with CR at 6 months receive maintenance treatment (weekly treatments for 6 weeks). All patients were followed up until death from any cause.

Condition Bladder Cancer
Treatment H101, Camrelizumab
Clinical Study IdentifierNCT05564897
SponsorZhejiang Cancer Hospital
Last Modified on20 October 2022


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Inclusion Criteria

Age: 18 ~80 years old
Patients who are diagnosed pathologically with urothelial carcinoma of non-muscle invasive bladder cancer and have previously failed BCG therapy and refused cystectomy
Performance status: Eastern Cooperative Oncology Group performance 0-2
Life expectancy more than 3 months
Patients have adequate organ function, accord with following criteria: A. blood routine: Hemoglobin≥90g/L, absolute neutrophil count≥1.5×109/L, platelet count ≥ 80×109/L; B. Biochemical tests: total bilirubin is less than 1.5 times upper limit of normal, alanine aminotransferase and aspartate aminotransferase are less than 2.5 times upper limit of normal; C. creatinine less than 1.25 times upper limit of normal
Patients agree to use adequate contraception in the period of trial and need negative pregnancy test in childbearing potential women
Participant sign an institutional review board-approved, protocol specific informed consent form in accordance with institutional guidelines

Exclusion Criteria

Female patients who are pregnant or breast feeding, or adults of reproductive potential who are not using effective birth control methods
Organs failure
ECOG >2\
Serious/active infection
Autoimmune disorders or immunodeficiency diseases
Patients with allergic constitution, or other disease need take drugs of immunosuppressant or corticosteroids
Uncontrolled hypertension
Myocardial ischemia (more than grade II ) or myocardial infarction or uncontrolled arrhythmia
Cardiac insufficiency of grade III to IV according to NYHA criteria, or left ventricular ejection fraction (LVEF) <50%
Coagulation disorders, tendency of haemorrhage, undergoing thrombolytic or anticoagulant therapy
Unhealed wounds, or fractures
With a history of psychotropic drug abuse or mental disorders
Prior systemic therapies with any antitumor agents within 4 weeks
With other uncurable cancers simultaneously
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