NCT06364904

Brief Summary

The aim of this study is to see whether the Trilaciclib is safe and effective in slowing down the growth of bladder cancer in patients while taking chemoimmunotherapy.

Trial Health

63
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
210

participants targeted

Target at P25-P50 for phase_3

Timeline
34mo left

Started Oct 2025

Typical duration for phase_3

Geographic Reach
1 country

8 active sites

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress20%
Oct 2025Apr 2029

First Submitted

Initial submission to the registry

April 10, 2024

Completed
5 days until next milestone

First Posted

Study publicly available on registry

April 15, 2024

Completed
1.5 years until next milestone

Study Start

First participant enrolled

October 1, 2025

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 15, 2027

Expected
2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

April 15, 2029

Last Updated

February 21, 2025

Status Verified

February 1, 2025

Enrollment Period

1.5 years

First QC Date

April 10, 2024

Last Update Submit

February 19, 2025

Conditions

Keywords

Immune Checkpoint InhibitorCDK4/6 InhibitorCisplatinTislelizumabGemcitabineTrilaciclib

Outcome Measures

Primary Outcomes (2)

  • Percentage of Participants With Progression-Free Survival(PFS)

    Progression free survival was determined from start date of treatment to date of progression for patients who progressed or date of death for patients who died without progressing. The observations of patients remaining alive and progression free were censored at the date of last disease evaluation. The Kaplan-Meier method was used to determine the median and 95% confidence interval.

    24 months

  • Percentage of Participants With Incidence of Grade 3/4 Neutropenia

    The proportion of participant with neutrophils with values \< 1\*10\^9/L during treatment.

    Within 28 days of initial dosing

Secondary Outcomes (6)

  • Rate of ORR

    60 months

  • overall survival (OS)

    60 months

  • Safety and AE

    60 months

  • Disease Control Rate(DCR)

    60 months

  • During Of Response(DOR)

    60 months

  • +1 more secondary outcomes

Study Arms (2)

Gemcitabine plus Cisplatin

ACTIVE COMPARATOR

During each 21 days study cycle(up to 6 cycles), all participants will receive: 1. Tislelizumab: Taken 1x time at d1 each cycle or until it is determined participant must stop the drug. 2. Gemcitabine: d1, d8 each cycle or until it is determined participant must stop the drug. 3. Cisplatin: d2 each cycle or until it is determined participant must stop the drug. Tislelizumab maintenance therapy:after chemoimmunotherapy, q3W until it is determined participant must stop the drug, or 2 years of treatment is completed.

Drug: Tislelizumab, Cisplatin, Gemcitabine

Gemcitabine, Cisplatin plus Trilaciclib

EXPERIMENTAL

During each 21 days study cycle(up to 6 cycles), all participants will receive: 1. Tislelizumab: Taken 1x time at d1 each cycle or until it is determined participant must stop the drug. 2. Gemcitabine: d1, d8 each cycle or until it is determined participant must stop the drug. 3. Cisplatin: d2 each cycle or until it is determined participant must stop the drug. 4. Trilaciclib: d1, d2, d8 each cycle or until it is determined participant must stop the drug. Tislelizumab maintenance therapy:after chemoimmunotherapy, q3W until it is determined participant must stop the drug, or 2 years of treatment is completed.

Drug: Tislelizumab, Cisplatin, Gemcitabine and Trilaciclib

Interventions

Chemoimmunotherapy: 1. Tislelizumab: 200mg, 1x time at d1 each cycle 2. Gemcitabine: 1000mg/ m2, in d1, d8 each cycle 3. Cisplatin: 70 mg/m2, in d2 each cycle 4. Trilaciclib: 240mg/m2, d1, d2, d8 each cycle Tislelizumab maintenance therapy: after chemoimmunotherapy, 200mg, q3W.

Gemcitabine, Cisplatin plus Trilaciclib

Chemoimmunotherapy: 1. Tislelizumab: 200mg, 1x time at d1 each cycle 2. Gemcitabine: 1000mg/ m2, in d1, d8 each cycle 3. Cisplatin: 70 mg/m2, in d2 each cycle Tislelizumab maintenance therapy: after chemoimmunotherapy, 200mg, q3W.

Gemcitabine plus Cisplatin

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Voluntarily participate in this study, able to provide written informed consent and can understand and agree to comply with the requirements of the study and schedule of assessments.
  • Participants judged by the investigator to be tolerant of platinum-based therapy. Participants intolerant to platinum chemotherapy must meet at least one of the following criteria: ECOG performance status \>1 or Karnofsky performance status 60% to 70%; creatinine clearance less than 60 ml/min; hearing loss ≥ Grade 2 according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5; peripheral neuropathy ≥ Grade 2 according to NCI-CTCAE version 5; New York Heart Association Class III or IV heart failure.
  • Must provide surgical or biopsy tumor tissue samples, and concurrent submission of relevant pathology reports is required. Participants are able to submit fresh surgical tissue or submit pathology slides for examination.
  • ECOG Performance Status 0 or 1
  • The participants must have well-functioning organ systems, as measured by the following screening laboratory values (obtained within ≤14 days before enrollment):
  • a. When screening for the following parameters, participants must not have used growth factor support within ≤14 days before sample collection: i. Neutrophil absolute count ≥ 1.5x10\^9/L ii. Platelets ≥ 90x10\^9/L iii. Hemoglobin ≥ 90g/L b. International normalized ratio or activated partial thromboplastin time ≤ 1.5 times the upper limit of normal (ULN) c. Calculated creatinine clearance ≥ 50 mL/min d. Serum total bilirubin ≤ 1.5×ULN (if Gilbert's syndrome or indirect bilirubin concentration indicates extrahepatic elevation, should be ≤ 3×ULN) e. AST, ALT, and alkaline phosphatase ≤ 2.5×ULN
  • Women who are not pregnant or not of childbearing potential must be willing to use effective contraception during the study and for ≥120 days after the last dose of toripalimab monotherapy or chemotherapy (whichever occurs later). Additionally, they must have a negative urine or serum pregnancy test result within ≤7 days before enrollment. Non-sterilized men must be willing to use effective contraception during the study and for ≥120 days after the last dose of toripalimab monotherapy or chemotherapy (whichever occurs later).
  • According to the Response Evaluation Criteria in Solid Tumors (RECIST) 1.1, at least one participant with measurable lesions is required.
  • Participants with an expected survival of ≥3 months.

You may not qualify if:

  • Known active or untreated central nervous system (CNS) metastases and/or carcinomatous meningitis. For patients with previously treated brain metastases, enrollment is not allowed if there has been CNS disease stability for at least 4 weeks before the first dose of study treatment and discontinuation of corticosteroid therapy for brain metastases for at least 2 weeks before the start of study treatment.
  • Prior treatment with therapies targeting PD-1, PD-L1, PD-L2, CTLA-4, or other agents specifically targeting T-cell co-stimulation or checkpoint pathways.
  • Receipt of other approved systemic anticancer therapy or systemic immunomodulatory agents (including but not limited to interferons, interleukins, and tumor necrosis factor) within 28 days before enrollment.
  • Prior radiotherapy for bladder cancer.
  • Prior systemic treatment for tumors, except:
  • For patients previously treated with systemic chemotherapy, a treatment-free interval of at least 12 months from the last treatment to the start of drug treatment.
  • Local intravesical chemotherapy or immunotherapy, completed at least 1 week before the start of study treatment.
  • Major surgery or significant trauma within 28 days before enrollment (placement of vascular access device and transurethral resection of bladder tumor \[TURBT\] are not considered major surgery).
  • Receipt of live vaccines within 28 days before enrollment (seasonal injections of influenza vaccine are usually inactivated vaccines and are allowed. Nasal vaccines are live vaccines and are not allowed).
  • Active autoimmune diseases requiring systemic treatment, as determined by the investigator, which could affect the safety of study treatment.
  • Long-term use of high-dose steroids or other immunosuppressive agents, as determined by the investigator, which could affect the safety of study treatment.
  • Known potassium, sodium, calcium abnormalities, or hypoalbuminemia, interstitial lung disease, non-infectious pneumonia, or other uncontrolled systemic diseases, including diabetes, hypertension, cardiovascular diseases (e.g., active cardiac disease within 6 months before enrollment, including severe/unstable angina, myocardial infarction, symptomatic congestive heart failure, and requiring medication for ventricular arrhythmias).
  • Untreated chronic hepatitis B patients with HBV DNA ≥500 IU/mL (2500 copies/mL) or HBV carriers are not eligible. Note: Patients with inactive hepatitis B surface antigen carriers or stable active HBV infection (HBV DNA \<500 IU/mL \[2500 copies/mL\]) after continuous antiviral treatment can be enrolled. HBV DNA testing is performed only in patients positive for antibodies to the hepatitis B core antigen.
  • Patients with active hepatitis C are not eligible. Patients who test negative for HCV antibodies during the screening period or, if positive, test negative for HCV RNA after positive HCV antibody testing can be enrolled. Only patients positive for HCV antibodies need HCV RNA testing.
  • History of immune deficiency (including human immunodeficiency virus \[HIV\] positive, other acquired, congenital immunodeficiency diseases) or a history of allogeneic stem cell transplantation or organ transplantation.
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (8)

Nanfang Hospital, Southern Medical University

Guangzhou, Guangdong, China

Location

Sun Yat-sen Memorial Hospital

Guangzhou, Guangdong, China

Location

The First Affiliated Hospital of Sun Yat-sen University

Guangzhou, Guangdong, China

Location

The Third Affiliated Hospital of Sun Yat-sen University

Guangzhou, Guangdong, China

Location

Zhujiang Hospital of Southern Medical University

Guangzhou, Guangdong, China

Location

Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology

Wuhan, Hubei, China

Location

Hunan Cancer Hospital

Changsha, Hunan, China

Location

Xiangya Hospital, Central South University

Changsha, Hunan, China

Location

MeSH Terms

Conditions

Urinary Bladder Neoplasms

Interventions

tislelizumabCisplatinGemcitabinetrilaciclib

Condition Hierarchy (Ancestors)

Urologic NeoplasmsUrogenital NeoplasmsNeoplasms by SiteNeoplasmsFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesUrinary Bladder DiseasesUrologic DiseasesMale Urogenital Diseases

Intervention Hierarchy (Ancestors)

Chlorine CompoundsInorganic ChemicalsNitrogen CompoundsPlatinum CompoundsHeterocyclic CompoundsDeoxycytidineCytidinePyrimidine NucleosidesPyrimidinesHeterocyclic Compounds, 1-Ring

Study Officials

  • Tianxin Lin, Ph.D

    Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University

    STUDY CHAIR

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 10, 2024

First Posted

April 15, 2024

Study Start

October 1, 2025

Primary Completion (Estimated)

April 15, 2027

Study Completion (Estimated)

April 15, 2029

Last Updated

February 21, 2025

Record last verified: 2025-02

Locations