NCT05943041

Brief Summary

Prospective, open label, multi-dose, sequential dose escalation, single-center, Phase 1 trial

Trial Health

87
On Track

Trial Health Score

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

Enrollment
9

participants targeted

Target at below P25 for phase_1

Timeline
Completed

Started Apr 2023

Shorter than P25 for phase_1

Geographic Reach
1 country

1 active site

Status
completed

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

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

June 22, 2023

Completed
20 days until next milestone

First Posted

Study publicly available on registry

July 12, 2023

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 22, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 22, 2023

Completed
Last Updated

February 14, 2025

Status Verified

February 1, 2025

Enrollment Period

8 months

First QC Date

June 22, 2023

Last Update Submit

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

EXPERIMENTAL

Dose escalation cohort includes patients with CRC who completed curative colectomy and planned therapy. 3 to 6 patients will be enrolled per escalating dose levels.

Drug: GB104(Level 1)

GB104: Dose level 2

EXPERIMENTAL

Dose escalation cohort includes patients with CRC who completed curative colectomy and planned therapy. 3 to 6 patients will be enrolled per escalating dose levels.

Drug: GB104(Level 2)

GB104: Dose level 3

EXPERIMENTAL

Dose escalation cohort includes patients with CRC who completed curative colectomy and planned therapy. 3 to 6 patients will be enrolled per escalating dose levels.

Drug: GB104(Level 3)

Interventions

One capsule QD oral administration for 28 days

GB104: Dose level 1

Three capsules QD oral administration for 28 days

GB104: Dose level 2

Five capsules QD oral administration for 28 days

GB104: Dose level 3

Eligibility Criteria

Age19 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

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

Study Sites (1)

Samsung Medical Center

Seoul, Gangnam-gu, 81 Ilwon-ro, South Korea

Location

MeSH Terms

Conditions

Colorectal NeoplasmsSigmoid NeoplasmsNeoplasmsRectal Neoplasms

Condition Hierarchy (Ancestors)

Intestinal NeoplasmsGastrointestinal NeoplasmsDigestive System NeoplasmsNeoplasms by SiteDigestive System DiseasesGastrointestinal DiseasesColonic DiseasesIntestinal DiseasesRectal DiseasesColonic NeoplasmsSigmoid Diseases

Study Officials

  • Woo Yong Lee, M.D., Ph.D.

    Samsung Medical Center

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
SEQUENTIAL
Model Details: Sequential Group Assignment (3+3 model)
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

Locations