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Toripalimab Combined With Intravesical Gemcitabine as Adjuvant Therapy for High-Risk Non-Muscle-Invasive Bladder Cancer After TURBT

7. september 2026 opdateret af: Qian Liu, Tianjin First Central Hospital

A Clinical Study to Evaluate the Efficacy and Safety of Toripalimab Combined With Intravesical Gemcitabine as Adjuvant Therapy After Transurethral Resection of Bladder Tumor (TURBT) in Patients With High-Risk Urothelial Carcinoma

This is a prospective, open-label, single-center, single-arm phase II clinical study to evaluate the efficacy and safety of toripalimab combined with intravesical gemcitabine as adjuvant therapy in patients with high-risk non-muscle-invasive bladder cancer (NMIBC) after transurethral resection of bladder tumor (TURBT). Patients with high-risk NMIBC are planned to be enrolled. Treatment consists of one immediate intravesical instillation of gemcitabine after TURBT, followed by induction intravesical chemotherapy with gemcitabine for 4-8 instillations, and then maintenance treatment with toripalimab combined with intravesical gemcitabine 2000 mg once monthly for 12 instillations.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

54

Fase

  • Fase 2

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Patients with high-risk non-muscle-invasive urothelial carcinoma after TURBT who have not received prior BCG therapy.
  • Male or female, aged 18 to 85 years.
  • Life expectancy of more than 12 weeks.
  • ECOG performance status of 0 to 2.
  • No prior immunotherapy or other systemic therapy for the disease under study.
  • Adequate organ function.
  • Willing and able to comply with the study procedures and follow-up schedule.
  • Ability to understand and willingness to voluntarily sign the informed consent form (ICF).

Exclusion Criteria:

  • Receipt of a live attenuated vaccine within 4 weeks prior to enrollment, or planned receipt during the study period.
  • Active, known, or suspected autoimmune disease.
  • Known history of primary immunodeficiency.
  • History of allogeneic organ transplantation or allogeneic hematopoietic stem cell transplantation.
  • Pregnant or breastfeeding women.
  • Patients with untreated acute or chronic active hepatitis B or hepatitis C infection.
  • Uncontrolled comorbidities, including but not limited to the following:

    1. HIV infection (HIV antibody positive).
    2. Active or clinically uncontrolled severe infection.
    3. Evidence of severe or uncontrolled systemic disease, including but not limited to severe psychiatric or neurological disorders, epilepsy or dementia; unstable or uncompensated respiratory, cardiovascular, hepatic, or renal disease; or uncontrolled hypertension (≥ CTCAE grade 2 despite medical therapy).
    4. Active bleeding, newly diagnosed thromboembolic disease requiring therapeutic-dose anticoagulation, or bleeding diathesis.
  • Known hypersensitivity to the investigational drugs (toripalimab or gemcitabine).
  • Any other condition judged by the investigator to render the patient unsuitable for enrollment.
  • Concurrent participation in another clinical study.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Toripalimab combined with intravesical gemcitabine
All enrolled patients receive toripalimab combined with intravesical gemcitabine: one immediate intravesical instillation of gemcitabine after TURBT, followed by 4-8 once-weekly induction instillations, then toripalimab (240 mg IV every 3 weeks for 17 cycles) combined with maintenance intravesical gemcitabine (2000 mg once monthly for 12 instillations), until disease progression, death, or unacceptable toxicity.
Toripalimab 240 mg administered intravenously once every 3 weeks (Q3W), starting 4-8 weeks after surgery (after induction intravesical chemotherapy), given concurrently with maintenance intravesical gemcitabine, for 17 cycles or until disease progression, death, or unacceptable toxicity.
Gemcitabine 2000 mg administered by intravesical instillation, in three phases: (1) one immediate instillation (SI) after TURBT; (2) induction phase: once weekly for 4-8 instillations; (3) maintenance phase: once monthly for 12 instillations, given concurrently with toripalimab, until disease progression, death, or unacceptable toxicity.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Pathologic Complete Response (CR) Rate at 3 Months
Tidsramme: 3 months after the first dose of study treatment.
3 months after the first dose of study treatment.

Sekundære resultatmål

Resultatmål
Tidsramme
Incidence of Adverse Events
Tidsramme: From the first dose of study treatment until 1 month after the last dose (end of safety follow-up), or until the start of a new anti-cancer therapy, whichever occurs first.
From the first dose of study treatment until 1 month after the last dose (end of safety follow-up), or until the start of a new anti-cancer therapy, whichever occurs first.
Overall Survival (OS)
Tidsramme: From enrollment to death from any cause, assessed up to approximately 5 years.
From enrollment to death from any cause, assessed up to approximately 5 years.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. oktober 2026

Primær færdiggørelse (Anslået)

1. oktober 2028

Studieafslutning (Anslået)

1. oktober 2031

Datoer for studieregistrering

Først indsendt

19. august 2026

Først indsendt, der opfyldte QC-kriterier

7. september 2026

Først opslået (Faktiske)

8. september 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

8. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

7. september 2026

Sidst verificeret

1. august 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • UBC-IIT-JS001-A02

Plan for individuelle deltagerdata (IPD)

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