Q&A

Cervical cancer: A path to eradication

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“…in the next generation or two, we seriously might eradicate not just cervical cancer but a lot of HPV-related malignancies worldwide.”


 

References

ILLUSTRATION BY KIMBERLY MARTENS FOR OBG MANAGEMENT

David G. Mutch, MD: The cervical cancer screening guidelines, using Pap testing, have changed significantly since the times of yearly Paps and exams. Coupled with vaccination and new management guidelines (recommending HPV testing, etc), we actually hope that we are on the way to eradicating cervical cancer from our environment.

Screening: Current recommendations

Dr. Mutch: Warner, the American Society of Colposcopy and Cervical Pathology (ASCCP)1 endorses the cervical cancer screening guidelines for several professional organizations, including the American Cancer Society (ACS),2 the US Preventive Services Task Force (USPSTF),3 and the American College of Obstetricians and Gynecologists (ACOG).4 What are the current screening recommendations, as these organizations have disparate views?

Warner Huh, MD: There was a time, around 2012-2013, when for the first time ever, we had significant harmonization of the guidelines between ACOG and the USPSTF and ACS. But in the last 10 years there has been an explosion of data in terms of how to best screen patients.

The move to primary HPV testing. The USPSTF3 initially had recommended looking into primary HPV screening, which is just using HPV testing by itself as the screening modality. But there was a lot of pushback at that time. I think a lot of people thought that we were not prepared to make that leap. Therefore, they endorsed screening with cytology by itself as well as HPV testing by itself, as well as co-testing; but in their recommendations, they made it very clear that they were leaning toward primary HPV screening.

A new patient age to begin screening. In 2020, the ACS put out their new guidelines,2 which are a significant departure from what we are used to—they are recommending that we start screening at 25 years of age. Like you said, Dr. Mutch, it doesn’t seem that long ago when we were screening people at age 18, or within 3 years of sexual intercourse. But the reason for it is that the rate of cervical cancer is extremely low under age 25, and other countries like the United Kingdom already do this.

The other major departure in the ACS guidelines is that they really are asking clinicians and screeners to focus on primary HPV screening. Overall, they have sort of doubled down on why they think primary HPV screening is so important.

ACOG sits sort of in the middle of the other recommendations. ACOG understands the value of primary HPV screening, but I don’t think that they are quite ready to recommend screening at age 25. If you look at their updated guidelines from April 2021,4 they state that we should continue a screening-starting age of 21 years. So there are some disparate views, but I am confident, Dr. Mutch, that in the next 2 to 3 years, there will be greater harmonization of these guidelines and less confusion for our providers. The greatest barrier is understanding the science and the comfort level of clinicians to go with just an HPV test, since for the last 40 years the Pap test has anchored gynecologic care in this country. And it took at least 10 years to get to what I consider to be widespread adoption to co-testing. The other thing that readers should recognize is that the Task Force is actually revisiting their cervical cancer screening guidance now, so expect another major revision.

Reimbursement and access are barriers. Reimbursement is a further real issue. We are now using one less test, but insurance companies may not reimburse when just the HPV test is used. The other issue is access to labs that can do the HPV testing.

Dr. Mutch: We used to see patients yearly and picked up a lot of adjunctive or additional illnesses. Now they are not being seen yearly it could impact negatively their overall health care. We need to understand that cervical cancer screening is simply a test, which should not eliminate other health care.

Dr. Huh: Yes, I think the extended interval between recommended HPV screenings scares people. I have been involved in these screening guidelines (and I can only speak for myself, not for my colleagues), but even I do think we made a leap to a longer interval way too quickly in this country. Screening changes are slow, and sometimes a glacial process. I think it can worry providers when we make rapid changes.

But this is a test that should not anchor the yearly visit. There are plenty of other reasons—and ACOG actually states this4—why patients should come for a wellness exam on a yearly basis. So I think our ObGyns in the United States need to recognize that, but I understand there are underlying concerns that if you extend intervals too long, (a) will patients come back, and (b), as a consequence, is the interval going to miss something in between? Those are real legitimate concerns.

Continue to: Management guidelines...

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