Live Biotherapeutic Product GB104 Phase 1 Study in Colorectal Cancer
Open-label, Single-center, Dose-escalation Phase 1 Clinical Study to Evaluate the Safety and Tolerability of GB104, and Explore Gut Microbial Composition in Patients Who Completed Curative Colectomy and Planned Therapy of Colorectal Cancer
1 other identifier
interventional
9
1 country
1
Brief Summary
Prospective, open label, multi-dose, sequential dose escalation, single-center, Phase 1 trial
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_1
Started Apr 2023
Shorter than P25 for phase_1
1 active site
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 Start
First participant enrolled
April 28, 2023
CompletedFirst Submitted
Initial submission to the registry
June 22, 2023
CompletedFirst Posted
Study publicly available on registry
July 12, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 22, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
December 22, 2023
CompletedFebruary 14, 2025
February 1, 2025
8 months
June 22, 2023
February 12, 2025
Conditions
Outcome Measures
Primary Outcomes (2)
Incidence of DLT(Dose-Limiting Toxicity) at week 4
4 weeks
Incidence of Adverse Events from baseline to 8 weeks
assessed up to 8 weeks
Other Outcomes (5)
Quantity and persistence of GB104 in fecal sample from baseline to 8 weeks
assessed up to 8 weeks
Changes in composition of gut microbiota in fecal samples from baseline to 8 weeks
assessed up to 8 weeks
Changes in immune status from baseline to 8 weeks
assessed up to 8 weeks
- +2 more other outcomes
Study Arms (3)
GB104: Dose level 1
EXPERIMENTALDose escalation cohort includes patients with CRC who completed curative colectomy and planned therapy. 3 to 6 patients will be enrolled per escalating dose levels.
GB104: Dose level 2
EXPERIMENTALDose escalation cohort includes patients with CRC who completed curative colectomy and planned therapy. 3 to 6 patients will be enrolled per escalating dose levels.
GB104: Dose level 3
EXPERIMENTALDose escalation cohort includes patients with CRC who completed curative colectomy and planned therapy. 3 to 6 patients will be enrolled per escalating dose levels.
Interventions
Eligibility Criteria
You may qualify if:
- Subjects who sign on an informed consent form willingly
- Subjects who have histological and radiological diagnosis of colorectal cancer
- Males and females aged between 19 and 80 years at the time of screening
- Subjects who have undergone radical colectomy and received the following treatments before participating in the clinical trial, and have completed the specified period:
- Subjects who have received adjuvant chemotherapy, radiotherapy, or concurrent chemoradiotherapy and have completed 3 months since the last treatments
- Subjects who have not received any adjuvant therapy and have completed 3 months from the radical colectomy
- Subjects who have undergone stoma closure and have completed 3 months after stoma closure
- Subjects who have received standard treatment for colorectal cancer without disease progression or recurrence until the first administration of GB104
- Subjects who have received adjuvant chemotherapy or radiation therapy, and have completed 3 months after completing the treatment, and toxicity from previous adjuvant treatment must have recovered to NCI-CTCAE v5.0 grade 1
- Subjects who have been confirmed to have adequate hematological, renal, and hepatic function at the screening point (laboratory tests may be retested during the screening period)
- Female subjects of childbearing potential and sexually active men who agree to abstain from sexual activity or use an adequate method of contraception
You may not qualify if:
- Significant cardiac dysfunction, New York Heart Association classification for chronic heart failure III-IV, symptomatic coronary artery disease, significant deep vein thrombosis; myocardial infarction within 6 months
- Severe active infections that require systemic antibiotics, antifungal agents, antiviral agents, or other medications that cannot be controlled
- Previous history of immunosuppressant within the 1 month of initial administration
- Known HIV infection, or active infection with hepatitis B or C
- Subjects who have completed a course of antibiotics within the one month prior to screening
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- GILongevitylead
Study Sites (1)
Samsung Medical Center
Seoul, Gangnam-gu, 81 Ilwon-ro, South Korea
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Woo Yong Lee, M.D., Ph.D.
Samsung Medical Center
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 22, 2023
First Posted
July 12, 2023
Study Start
April 28, 2023
Primary Completion
December 22, 2023
Study Completion
December 22, 2023
Last Updated
February 14, 2025
Record last verified: 2025-02
Data Sharing
- IPD Sharing
- Will not share