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Safety and Efficacy of GX-188E DNA Therapeutic Vaccine Administered by Electroporation After Observation

A Single Center, Phase I Study to Follow-up on the Change of Immunogenicity and Lesion Condition in Subjects Who Have Completed the Phase I GX-188E Trial (Protocol no. GX-188E-SN)

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT02100085
Enrollment
9
Registered
2014-03-31
Start date
2014-02-28
Completion date
2018-01-31
Last updated
2017-07-12

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

Conditions

Cervical Intraepithelial Neoplasia 3

Keywords

Phase 1 follow up, Cervical Intraepithelial Neoplasia, Adult, Safety, Efficacy

Brief summary

This study is to follow up on the change of immune response by measuring HPV type 16/18 E6 and E7 specific T cell response and lesion condition in subjects who have administered in DNA-based therapeutic vaccine.

Detailed description

This is a follow-up study to investigate the change of immunogenicity and lesion condition in subjects with cervical intraepithelial neoplasia (CIN) 3 who have enrolled and completed GX-188E phase I study. Subjects will make visits at week 48 (V1) to week 228 (V8) every 6 months after the final administration of GX-188E. The endpoints are to evaluate the change of immune response, involved lesion and infection status compared to that of the final visit in phase I study.

Interventions

BIOLOGICALGX-188E

In phase I study, 9 patients were assigned to three dose groups (1mg, 2mg and 4mg) and were administered three times with GX-188E by electroporation during an entire period of study. After the final administration, the follow-up will be conducted to investigate safety and efficacy aspects.

Sponsors

Genexine, Inc.
Lead SponsorINDUSTRY

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
FEMALE
Age
20 Years to 50 Years
Healthy volunteers
No

Inclusion criteria

* Female aged between 20 and 50 (inclusive) * The subjects who have visited within 48 weeks after final injection of GX-188E * Those who voluntarily signed informed consent form

Exclusion criteria

* Prior participation in any clinical trial within 30 days prior to the visit 1 * Any other ineligible condition at the discretion of the investigator that would be ineligible to participate the study

Design outcomes

Primary

MeasureTime frameDescription
The change of the immune response compared to that of the final visit in phase I studyat week 0 to 180 every 6 monthsIt would be determined by evaluating HPV type 16/18 E6 and E7 specific T cell response (IFN-γ ELISPOT assay) using PBMC obtained at week 0 to 180 visit every 6 months.

Secondary

MeasureTime frameDescription
The change of the involved lesion and HPV infection statusat week 0 to 180 every 6 monthsThe changes of histological test, cytological test and HPV infection status would be compared to that of the last visit in phase I study
Safety profileat week 0 to 180 every 6 monthsSafety profile would be examined by vital signs, physical examination, clinical laboratory tests etc

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026