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Dose-escalation Study to Evaluate the Safety and Tolerability of GX-I7 in Patients With Glioblastoma

A Phase 1b, Dose-escalation Study to Evaluate the Safety, Tolerability, and the Lymphocyte Increasing Effects of GX-I7 Intramuscular Administration in Patients With Glioblastoma

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03619239
Acronym
GBM
Enrollment
15
Registered
2018-08-07
Start date
2018-06-20
Completion date
2020-09-25
Last updated
2020-11-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Newly Diagnosed Glioblastoma

Keywords

Phase 1b

Brief summary

Patients will be enrolled in two stages: * Dose-escalation stage: Approximately 12-24 patients will be enrolled.

Detailed description

Detailed Description: • Dose-escalation stage : designed as classical 3+3 to determine MTD(Maximum tolerable dose), RP2D(Recommended Phase 2 Dose) and DLT(Dose-limiting toxicity)s to evaluate approximately four dose levels of GX-I7 * pre-determined dose(Level I)\ pre-determined dose(Level IV)

Interventions

DRUGGX-I7

During Treatment Period, patients will receive the assigned dose of GX-I7 intramuscular injection every 4\ 12 weeks per cycle up to 6 cycles in the absence of unacceptable toxicity or clinically compelling evidence of disease progression.

Sponsors

Genexine, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
19 Years to No maximum
Healthy volunteers
No

Inclusion criteria

\[Inclusion Criteria\] 1. Ability to understand and willingness to sign a written informed consent document (ICF). 2. Age ≥ 19 years 3. Able to comply with the study protocol, in the investigator's judgment 4. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. \[

Exclusion criteria

\] General

Design outcomes

Primary

MeasureTime frameDescription
DLT(Dose-Limiting Toxicity) AssessmentThrough study completion, an average of 2 yearsIncidence and nature of DLT(Dose-Limiting Toxicity)s
Incidence, nature and severity of Adverse eventsThrough study completion, an average of 2 yearsIncidence, nature and severity of adverse events graded according to NCI CTCAE v4.0

Secondary

MeasureTime frameDescription
Anti-tumor Activity [PFS]Through study completion, an average of 2 yearsProgression-free survival (PFS) defined according to iRANO(Immunotherapy Response Assessment for Neuro-Oncology)
PD(pharmacodynamic) profile [ALC result]Through study completion, an average of 2 yearsChanges of ALC(Absolute lymphocyte count) from the baseline
Exploratory Biomarker [serum Interleukin-7]Through study completion, an average of 2 yearsChanges in serum Interleukin-7
Immunogenicity[ ADA and neutralizing antibody]Through study completion, an average of 2 yearsIncidence of anti-GX-I7 antibody (ADA) and neutralizing antibody during the study
Anti-tumor Activity [OS]Through study completion, an average of 2 yearsObjective response(OS) defined as the time from the date of diagnosis to the death from any cause

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 22, 2026