NCT00854269

Brief Summary

Cervical cancer the most frequent neoplasm and the fifth mortality rate of malignancies of the women in the world. It results in about 1,000 women in Taiwan and about 200,000 women worldwide dying of cervical cancer each year. Human papilloma viruses (HPV) have been consistently implicated in causing cervical cancer especially those high-risk types (HPV 16,18,31,45) have been strongly associated with cervical cancer. Around 50-80 % of women are infected by HPV within their whole lives. However, only 1% of HPV-infected women have cervical cancer eventually. Seventy and 91% of HPV infection could be cleaned up by host immune responses within 1 and 2 years later. It shows that host immunity plays an important role in the progression, persistence, or regression of HPV infection. There are two main defense lines in the host immunity including innate immunity and adoptive immunity. Adoptive immunity plays more important roles in the defense of HPV infections than innate immunity. The adoptive immunity could be further divided into humoral immunity and cell-mediated immunity. Humoral immunity regulated by Th2 helper T lymphocytes to generate memory B cells to produce antibody which provide the protective function to HPV infection. Cell-mediated immunity regulated by Th1 helper T lymphocytes to induce antigen-specific cytotoxic T cells which could kill the HPV-infected cells. Although there are many researches focused on the immunity to HPV infection, there is no conclusion about the relationship between humoral and cell-mediated immunities on HPV infection and roles of humoral and cell-mediated immunities in the prognosis of HPV-infected population and cervical cancer patients. Our research team has focused on the establishment of platforms on cell-mediated immunity to HPV infection and on the correlation of cell-mediated immunity and prognosis of HPV-infected population and cervical cancer patients for years. In order to survey the host immunity to HPV infection more comprehensively, we propose this 3-year proposal. First, we would like to set up the platforms to survey the humoral immunity to HPV infection in normal population and patients with CIN lesion or cervical cancer. Second, we would to elucidate the correlation between humoral immunity and status and clinico-pathologic items of HPV-infected populations. Third, we would like to survey if the humoral immunity correlate with the prognosis of patients with cervical lesions. Fourth, we would like to elucidate the correlation betweenHLA haplotype and humoral immunity in HPV-infected populations. Our research results will have a more comprehensive overview in the host immunity to HPV infection and its related diseases. It could provide more information in the prevention and treatment of HPV infection in the future.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
250

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Jan 2007

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

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

January 1, 2007

Completed
1.2 years until next milestone

First Submitted

Initial submission to the registry

April 1, 2008

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2008

Completed
10 months until next milestone

First Posted

Study publicly available on registry

March 3, 2009

Completed
1.8 years until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2011

Completed
Last Updated

March 24, 2009

Status Verified

March 1, 2009

Enrollment Period

1.3 years

First QC Date

April 1, 2008

Last Update Submit

March 22, 2009

Conditions

Outcome Measures

Primary Outcomes (1)

  • overall survival

    from disease diagnosis to death

Interventions

surgeryPROCEDURE

cervical biopsy or specimen of hysterectomy

Eligibility Criteria

Age25 Years - 80 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Healthy volunteers
  • People infected with HPV type 16 but without CIN lesions
  • Patients with CIN lesions
  • Patients with cervical cancer from National Taiwan University Hospital
  • Informed consent is obtained, and the protocols are reviewed and approved by the appropriate Investigative Review Boards.

You may not qualify if:

  • None

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

National Taiwan University Hospital

Taipei, 100, Taiwan

RECRUITING

MeSH Terms

Conditions

Uterine Cervical Neoplasms

Interventions

Surgical Procedures, Operative

Condition Hierarchy (Ancestors)

Uterine NeoplasmsGenital Neoplasms, FemaleUrogenital NeoplasmsNeoplasms by SiteNeoplasmsUterine Cervical DiseasesUterine DiseasesGenital Diseases, FemaleFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesGenital Diseases

Central Study Contacts

WEN-FANG CHENG, Associate Professor

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER

Study Record Dates

First Submitted

April 1, 2008

First Posted

March 3, 2009

Study Start

January 1, 2007

Primary Completion

May 1, 2008

Study Completion

January 1, 2011

Last Updated

March 24, 2009

Record last verified: 2009-03

Locations