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Phase II Clinical Trial of Safety, Immunogenicity, and Mucosal Immunotherapy of Recombinant Lactococcus lactis Expressing Human Papillomavirus Type 16 E6/E7 Oncoprotein Vaccine in Women having Cervical Intraepithelial Neoplasia (CIN)

Phase II Clinical Trial of Safety, Immunogenicity, and Mucosal Immunotherapy of Recombinant Lactococcus lactis Expressing Human Papillomavirus Type 16 E6/E7 Oncoprotein Vaccine (KMTLL16E6/7) in Women Suffering From Cervical Intraepithelial Neoplasia (CIN) Grade 2/3

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT20190504043464N2
Enrollment
220
Registered
2020-02-07
Start date
2020-02-01
Completion date
Unknown
Last updated
2020-02-24

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

Conditions

Genital Wart. Anogenital (venereal) warts

Interventions

Intervention 1: Intervention group: Volunteers will receive four rounds of oral vaccine (1 mL) at weeks 1, 2, 4, and 8. Each dose of vaccine will be administered orally, once each morning after fastin

Sponsors

Iran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 59 Years

Inclusion criteria

Inclusion criteria: The women must have the ability to understand the study requirements, sign the Informed Consent Form, and also understand all restrictions during the study. 18-59 years-old females who are diagnosed as CIN2/3 by histological examination and are infected with HPV-16 alone or HPV-16 plus other types have the eligibility to enter in the study Women shouldn't have other sexually transmitted diseases. Women shouldn't be pregnant before starting the study. Women shouldn't have other cancerous disease.

Exclusion criteria

Exclusion criteria: Patients who has a previous history of hypersensitivity to probiotic-content (food/drug or milk). Patients who are suspected to invasive cancers. Patients with the medical history of diseases that may endanger the safety of the participant. Patients with a history of allergic diseases or reactions that may be aggravated by any component of the vaccine in question. Patients who have plan to do surgery during the study. Patients who used antibacterial drugs in 14-28 days before the study. Patients who used any vaccine within 90 days prior to screening. Patients who have plan to participate in another clinical trial during the present trial study. Patients who have autoimmune diseases or immunosuppressive disease. Patients with positive results of the HIV-1/2 antibodies, HCV antibody, HSV antibody, and HBsAg on screening process will be excluded from the study.

Design outcomes

Primary

MeasureTime frame
Examination of cervix and vagina for evaluating and predicting the malignant and CIN status in treated women. Timepoint: At the Beginning of the Study (on day 0 before the initial vaccination), at day 60 after taking the vaccine, and at months 1, 6, and 12 after the last vaccination. Method of measurement: Colposcopy and Cervical Biopsy.;Measurement the level of Th1 type IFN-? and antigen-specific CTLs secretion in PBMC and vaginal fluids. Timepoint: At the Beginning of the Study (on day 0 before the initial vaccination), at day 60 After Taking the Vaccine., and at months 1, 6, and 12 after the last vaccination. Method of measurement: ELISPOT KITS.;Determining the presence/absence of HPV-16 in cervical fluids. Timepoint: At the Beginning of the Study (on day 0 before the initial vaccination), at day 60 after taking the vaccine, and at months 1, 6, and 12 after the last vaccination. Method of measurement: PCR and INNO-LiPA Techniques.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAmir Hossein Mohseni

Islamic Azad University

amho.mohseni@gmail.com+98 21 8871 6556

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026