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Multicenter, Randomized, Open-Label, Crossover Clinical Trial to Evaluate the Efficacy and Safety of Pentosan Polysulfate Sodium(PPS) During Intravesical Bacillus Calmette-Guérin(BCG) Instillation Therapy in Patients with Non-Muscle-Invasive Bladder Cancer

Multicenter, Randomized, Open-Label, Crossover Clinical Trial to Evaluate the Efficacy and Safety of Pentosan Polysulfate Sodium During Intravesical Bacillus Calmette-Guérin Instillation Therapy in Patients with Non-Muscle-Invasive Bladder Cancer

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
CRIS
Registry ID
KCT0012273
Enrollment
192
Registered
2026-07-14
Start date
2026-08-26
Completion date
Unknown
Last updated
2026-07-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Drug : - Sequence Group A (pentosan polysulfate sodium ? Non-administration): Pentosan polysulfate sodium (PPS) 100 mg orally, three times daily. Administration initiates 14 days prior to the first B

Sponsors

Asan Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Adults aged 19 years or older (both male and female). - Diagnosed with intermediate- or high-risk non-muscle-invasive bladder cancer (NMIBC) according to the WHO 2004/2022 classification (including Ta/T1 high-grade tumors or carcinoma in situ [CIS]), who are scheduled to undergo standard Bacillus Calmette-Guerin(BCG) induction therapy and the first maintenance therapy (typically at the 3-month time point, once weekly × 3 weeks) following a complete transurethral resection of bladder tumor (TURBT). - Bacillus Calmette-Guerin(BCG)-naive patients. - ECOG (Eastern Cooperative Oncology Group) performance status of 0 to 2. - Able to provide written informed consent prior to study participation, and capable of understanding and complying with the study procedures. - Women of childbearing potential must have a negative pregnancy test and agree to use adequate contraception during the study period.

Exclusion criteria

Exclusion criteria: - Muscle-invasive bladder cancer (=T2), upper tract urothelial carcinoma (UTUC), distant metastasis, or cases requiring immediate radical cystectomy as a primary indication. - Prior intravesical immunotherapy or chemotherapy, including Bacillus Calmette-Guerin, within the last 12 months. - Active urinary tract infection (UTI), fever of 38°C or higher, gross hematuria, traumatic catheterization, or any other condition where the scheduled Bacillus Calmette-Guerin instillation is contraindicated under standard of care. - Uncontrolled immunocompromised status, active tuberculosis, or a history of Bacillus Calmette-Guerin sepsis. - Known history of hypersensitivity to pentosan polysulfate sodium (PPS), heparin-like drugs, or any excipients of the investigational product. - Active hemorrhagic disease, clinically significant thrombocytopenia, a history of heparin-induced thrombocytopenia (HIT), or any high bleeding risk condition as determined by the investigator. - Pre-existing severe retinal disease, suspected pigmentary maculopathy, or any condition that hinders adequate assessment of visual changes. - Pregnant or lactating individuals. - Any other condition where the investigator deems that the subject is unable to complete both treatment periods or transition successfully to the first maintenance therapy.

Design outcomes

Primary

MeasureTime frame
The proportion of Bacillus Calmette-Guerin(BCG) instillations associated with clinically significant local genitourinary toxicity

Secondary

MeasureTime frame
Bacillus Calmette-Guerin(BCG) instillation completion rate ;The rate of Bacillus Calmette-Guerin(BCG) instillation delay (>7 days) or permanent discontinuation due to adverse events;The rate of transition to treatment period 2;The rate of permanent Bacillus Calmette-Guerin instillation discontinuation due to clinically significant local genitourinary toxicity or equivalent treatment intolerance;Changes in Numeric Rating Scale(NRS) bladder pain scores and International Prostate Symptom Score(IPSS), and European Organisation for Research and Treatment of Cancer(EORTC) Quality of Life Questionnaire-Non-Muscle-Invasive Bladder Cancer24(QLQ-NMIBC24) scores at the completion of the 6th induction instillation and the 3rd maintenance instillation;The incidence and severity (according to Common Terminology Criteria for Adverse Events(CTCAE) v5.0) of pentosan polysulfate sodium related and Bacillus Calmette-Guerin related local and systemic adverse events;Exposure-adjusted utilization rate of symptomatic medications;Recurrence rate and progression rate;Adherence to investigational product (compliance rate)

Countries

Korea, Republic of

Contacts

Public ContactIn-gab Jeong

Asan Medical Center

igjeong@amc.seoul.kr+82-2-3010-5892

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Jul 23, 2026