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Spots Global Cancer Trial Database for ERADICATING CERVICAL CANCER IN KENYA

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Trial Identification

Brief Title: ERADICATING CERVICAL CANCER IN KENYA

Official Title: ERADICATING CERVICAL CANCER IN KENYA: Benefits of Community-based Prevention, and the Effects of Aflatoxin on HPV Vaccination (MISP 60403) (MISP2)

Study ID: NCT04774887

Interventions

HPV vaccine, Merck

Study Description

Brief Summary: This is a study of a strategy designed to 1) increase cervical cancer screening using a community-based approach, and 2) determine the efficacy of HPV vaccination in a region of Kenya where half of all children are chronically exposed to aflatoxin.

Detailed Description: Cervical cancer is caused by oncogenic HPV, and is the main cause of cancer-related death among Kenyan women. This malignancy is preventable through a combination of screening of adult women and vaccination of children and adolescents against HPV infection. However, only 5% of Kenyan women are regularly screened, and only 14% have ever been screened, which in Kenya is done by a method known as Visual Inspection with Acetic Acid (VIA). Obstacles to screening include travel to clinics, costs, poor specificity of VIA, lack of trained personnel, and others. In addition, while safe and effective HPV vaccines have been available for 15 years, very few (\<1%) Kenyan children and adolescents have been vaccinated. Obstacles to vaccination include costs, delivery infrastructure, lack of education, travel to clinics, and others. In addition, there are few studies of HPV vaccination in African children, and two-dose regimens may not provide adequate protective antibody levels among children chronically exposed to aflatoxin, a potent immunosuppressive agent found in contaminated corn. Investigators propose a study of a strategy designed to 1) increase cervical cancer screening using a community-based approach, and 2) determine the efficacy of HPV vaccination in a region of Kenya where half of all children are chronically exposed to aflatoxin. Objective 1 (Cervical cancer screening): Evaluate High-Risk (HR)-HPV DNA testing of self-collected vaginal swabs as a triage step for VIA among rural Kenyan women. Hypothesis: All women with negative HR-HPV DNA tests will have normal VIA examinations or falsely-abnormal VIA examinations based on cervical biopsy results. The rationale is that if this hypothesis is correctly proven, it will suggest that VIA is unnecessary for women with negative HR-HPV DNA tests in self-collected vaginal swabs. Objective 2 (HPV vaccination): Determine the effects of chronic aflatoxin exposure among Kenyan children/adolescents on the likelihood of seroconversion to HPV types represented in the HPV vaccine. Hypothesis: Compared to children/adolescents without detectable plasma aflatoxin, children/adolescents with evidence of chronic aflatoxin exposure will have a reduced likelihood of seroconversion to HPV types represented in the HPV vaccine. The rationale is that if this hypothesis is correctly proven, it will suggest that adjustments in vaccination doses/schedules may be needed for children with chronic exposure to aflatoxin to assure adequate protection against HPV infection.

Keywords

Eligibility

Minimum Age: 9 Years

Eligible Ages: CHILD, ADULT

Sex: ALL

Healthy Volunteers: Yes

Locations

Webuye Clinic, Webuye, , Kenya

Contact Details

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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