Eradicating Cervical Cancer
Cervical cancer was once a leading cause of cancer death for women in the United States. Today, screening and prevention have greatly reduced the impact of this form of cancer. Still, more than 13,170 women in America received a diagnosis of cervical cancer and more than 4,250 died from the disease in 2019,
according to the National Cancer Institute.
Increasing screening and prevention are key components of the effort to eradicate cervical cancer. Since almost all cases of the disease are caused by human papillomavirus (HPV) infection, vaccines that protect against the virus could prevent the vast majority of cases. Moreover, regular Pap tests can catch – and lead to treatment of – the disease at the precancerous stage.
Cervical cancer is among a number of cancers that can be caused by infections with pathogens – bacteria, viruses, and parasites.
January is Cervical Cancer Awareness Month.
What is Cervical Cancer?
Cervical cancer is a disease in which cancer cells arise in the cervix, which connects the uterus to the vagina. HPV is almost always the cause of cervical cancer, which is why vaccines against the virus are an important part of cervical cancer prevention strategies.
The U.S. Food and Drug Administration (FDA) has approved three vaccines – Gardasil, Gardasil 9, and Cervarix – that prevent infection with certain subtypes of HPV including 16 and 18, two high-risk HPVs that cause some 70 percent of cervical cancers.
study published in
Cancer Epidemiology, Biomarkers & Prevention, a journal of the
American Association for Cancer Research (AACR), researchers investigated the types of HPV infections in 12,514 women aged 15 to 45 and found that the seven subtypes of the virus targeted by Gardasil 9 accounted for about 91 percent of the most advanced cervical precancers, meaning that Gardasil 9 could prevent nine out of 10 cases of cervical cancer.
"If vaccination programs with this new-generation vaccine are effectively implemented, approximately 90 percent of invasive cervical cancer cases worldwide could be prevented, in addition to the majority of precancerous lesions," said senior author
Elmar A. Joura, MD, an associate professor of gynecology at the
Medical University of Vienna in Austria.
But there is a lack of public awareness and adherence to vaccination programs in the U.S. The Centers for Disease Control and Prevention (CDC) recommends vaccination for girls and boys ages 11 to 12.
2015 article in
Cancer Epidemiology, Biomarkers & Prevention reported on a national survey that found
many pediatricians and primary care physicians communicate about HPV vaccination in ways that may discourage parents from getting their children vaccinated.
"We are currently missing many opportunities to protect today's young people from future HPV-related cancers," said
Melissa B. Gilkey, PhD, the article's lead author and an assistant professor of population medicine at Harvard Medical School and Harvard Pilgrim Health Care Institute in Boston.
Another powerful preventive measure is Pap test screening, a procedure during which cells are collected from the surface of the cervix and examined. The Pap test can both detect cancer at an early stage, when treatment outcomes tend to be better, and detect precancerous abnormalities, which can then be treated to prevent them from developing into cancers.
The AACR's mission is to
prevent and cure all forms of cancer.
What Is the AACR Doing in This Area?
In 2019, AACR awarded a Minority and Minority-Serving Institution Faculty Scholars in Cancer Research Award to Filipa Godoy-Vitorino, PhD, of the University of Puerto Rico, for her study, "The microbiota associated to cervical and anal HPV infections in a Hispanic population."
Last year the AACR provided over $64 million in grants and awards funding lifesaving cancer research. There are many ways you can support our mission to prevent and cure all cancers.