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Cervical Intraepithelial Neoplasia 3GX-188ENCT02411019

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

An observational study of Cervical Intraepithelial Neoplasia 3, run by Genexine, Inc. at 1 site in South Korea.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial 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. Read more about this study

Who is it for?
Ages 19 to 50 years, women only
Conditions the study is for
Cervical Intraepithelial Neoplasia 3
What is being tested?
GX-188E
How many people
67 participants
Where
1 siteSouth Korea
Study dates
Mar 2015to Nov 2018
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 19 to 50 years
  • Women only
  • No healthy volunteers
  • Adult

Study population: The subjects who have completed the DNA vaccine administration of each dosage (1 and 4 mg).

Who may be able to join

  • Those who voluntarily signed informed consent form
  • The subjects who have participated in phase II trial(GX-188E_CIN3_P2)

Who cannot join

  • The subjects who didn't receive GX-188E DNA vaccine during Phase II trial (GX-188E_CIN3_P2)
  • The subjects, it is difficult to participate in this study continuously
  • Any other ineligible condition at the discretion of the investigator that would be ineligible to participate the study

Trial locations and contacts

1 site in 1 country.

South Korea1 site
  • Korea University Guro Hospital

    Seoul, 152-703

Other trials in South Korea

About this study

Official title: A Prospective, Observational, Open-label, Multi-center, Follow-up Clinical Study to Determine Recurrence of Cervical Intraepithelial Neoplasia and Evaluate the Long-term Safety of GX-188E, a DNA-based Therapeutic Vaccine, Administered Intramuscularly by Electroporation (EP) in Subjects Who Were Diagnosed With HPV(Human Papillomavirus) 16 or 18 Positive Cervical Intraepithelial Neoplasia 3 (CIN 3) and Participated in Phase 2 Trial (GX-188E_CIN3_P2)

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.

Read the 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 participated GX-188E phase II trial(GX-188E_CIN3_P2).

Subjects will make visits 7 times for about three years from the last visit of GX-188E phase 2 trial (GX-188E_CIN3_P2).

The endpoints are to evaluate the change of immune response, involved lesion and infection status compared to that of the final visit in phase 2 trial (GX-188E_CIN3_P2).

Being tested
GX-188E
Keywords
Phase 2 follow up, Cervical Intraepithelial Neoplasia, Adult, Safety, Efficacy
Medical subject headings
Uterine Cervical Dysplasia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • GX-188EBiological

    Also called GX-188E administered by electrophoration

    In phase II study, 72 patients were assigned to two dose groups (1mg 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.

Study groups in NCT02411019
Study groupRoleWhat they receive
Observational groupSubjects in the period less than 24 weeks after the final administration of GX-188E
Receives: Biological: GX-188E

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Safety assessment examined by physical examination, vital signs, ECG, clinical laboratory test etc

    long term safety assessment of GX-188E DNA vaccine of subjects participated in GX-188E_ CIN3_P2 clinical trial

    • Safety profile would be examined by physical examination, vital signs, ECG, clinical laboratory test etc

    Measured: at week -18 and 130

  2. lesion recurrence

    The change of the CIN lesion (included cervical cancer) would be compared to that of the last visit in phase II study

    Measured: at week -18 and 130

Secondary outcomes (5)
  1. The change of HPV infection status

    The change of HPV infection status would be compared to that of the last visit in phase II study.

    Measured: at week -18 and 130

  2. The change of cytology test result

    The change of cytology status would be compared to that of the last visit in phase II study.

    Measured: at week -18 and 130

  3. The change of the immune response

    It would be determined by evaluating HPV type 16/18 E6 and E7 specific T cell response (IFN-γ ELISPOT: enzyme-linked immunospot assay) using PBMC(peripheral blood monocyte).

    Measured: at week -18 and 130

  4. Flt-3L(fms-related tyrosine kinase 3 ligand) concentration (Flt-3L ELISA) using plasma.

    Pharmacodynamics evaluation of GX-188E

    Measured: at week -18 and 130

  5. Survey of pregnancy and delivery

    The matters relevant to the subject of pregnancy and delivery would be collected by survey to identify occurence, frequency and characteristic.

    Measured: at week -18 and 130

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 Apr 2015 (estimated)
  2. Study startMar 2015
  3. Primary completionNov 2018 (estimated)
  4. Study completionNov 2018 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
67 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02411019
Sponsor's protocol ID
GX-188E_CIN3_P2_FU
Acronym
GX-188E
Status last verified
Jul 2017
First submitted
16 Mar 2015
Last updated
12 Jul 2017
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

An observational study of Cervical Intraepithelial Neoplasia 3, run by Genexine, Inc. at 1 site in South Korea.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 12 Jul 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in South Korea. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Safety assessment examined by physical examination, vital signs, ECG, clinical laboratory test etc (time frame: at week -18 and 130). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 12 Jul 2017.

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