NCT06696742

Brief Summary

This study intends to explore whether the combination of Clostridium butyricum can improve the current situation of poor anti-PD1 treatment effect in patients with bladder cancer.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
60

participants targeted

Target at P50-P75 for phase_2

Timeline
32mo left

Started Feb 2024

Longer than P75 for phase_2

Geographic Reach
1 country

1 active site

Status
recruiting

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress47%
Feb 2024Feb 2029

Study Start

First participant enrolled

February 1, 2024

Completed
9 months until next milestone

First Submitted

Initial submission to the registry

October 30, 2024

Completed
21 days until next milestone

First Posted

Study publicly available on registry

November 20, 2024

Completed
4.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2029

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2029

Last Updated

November 20, 2024

Status Verified

November 1, 2024

Enrollment Period

5 years

First QC Date

October 30, 2024

Last Update Submit

November 17, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • PFS

    Progression-Free Survival

    3 years after surgery

Secondary Outcomes (1)

  • OS

    3 years after surgery

Study Arms (2)

GC+anti-PD1+Clostridium butyricum

EXPERIMENTAL

For Neoadjuvant therapy * GC: gemcitabine (1.0 g/m2 on days 1 and 8) and cisplatin (70 mg/m2 evenly distributed over days 2 to 4) every 21 days for 3 cycles. * PD1: Tislelizumab 200mg every 21 days for 3 cycles. ③Clostridium butyricum: Clostridium Butyricum Tablets, 20mg, twice a day. For Adjuvant Therapy: ①PD1: Tislelizumab 200mg every 21 days for 1-2 year. ②Clostridium butyricum: Clostridium Butyricum Tablets, 20mg, twice a day.

Drug: Clostridium Butyricum Tablets

GC+anti-PD1

ACTIVE COMPARATOR

For Neoadjuvant therapy ①GC: gemcitabine (1.0 g/m2 on days 1 and 8) and cisplatin (70 mg/m2 evenly distributed over days 2 to 4) every 21 days for 3 cycles. ②PD1: Tislelizumab 200mg every 21 days for 3 cycles. For Adjuvant Therapy: ①PD1: Tislelizumab 200mg every 21 days for 1-2 year.

Drug: Cisplatin

Interventions

Gemcitabine and Cisplatin combined with Clostridium Butyricum Tablets

Also known as: Cisplatin, Gemcitabine
GC+anti-PD1+Clostridium butyricum

Gemcitabine and Cisplatin

Also known as: Gemcitabine
GC+anti-PD1

Eligibility Criteria

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

You may qualify if:

  • For Neoadjuvant therapy:
  • T2-T4aN0M0 bladder patients
  • For Adjuvant therapy:
  • Postoperative pathological stage T3-T4 and/or lymph node metastasis were positive.

You may not qualify if:

  • The researchers evaluated the patients who could not tolerate radical surgery;
  • Previously received systemic chemotherapy or immunotherapy;
  • There are active autoimmune diseases requiring systemic treatment or other diseases requiring long-term use of a large number of hormones and other immunosuppressants;
  • Have had major surgery or major trauma within 28 days before joining the group;
  • Vaccinated with live vaccine within 28 days before joining the group.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The First Affiliated Hospital of Nanjing Medical University

Nanjing, Jiangsu, 210029, China

RECRUITING

MeSH Terms

Conditions

Neoplasms

Interventions

CisplatinGemcitabine

Intervention Hierarchy (Ancestors)

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

Study Officials

  • Qiang Lu

    The First Affiliated Hospital with Nanjing Medical University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, CARE PROVIDER
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 30, 2024

First Posted

November 20, 2024

Study Start

February 1, 2024

Primary Completion (Estimated)

February 1, 2029

Study Completion (Estimated)

February 1, 2029

Last Updated

November 20, 2024

Record last verified: 2024-11

Locations