Could a simple HPV test every 5 years replace frequent pap smears?
NCT ID NCT02328872
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study compares two ways to screen for cervical cancer: a Pap smear every 2.5 years versus an HPV test every 5 years. Over 76,000 women aged 25-69 in Australia are taking part, including those who received the HPV vaccine and those who did not. The goal is to see if the less frequent HPV test is just as good at catching early signs of cancer.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- HPV test (molecular test for human papillomavirus)
- What this could lead to
- If successful, this could show that HPV testing every 5 years is as good as or better than Pap smears every 2.5 years for preventing cervical cancer, potentially changing screening guidelines worldwide.
- What could go wrong
- This is a large, well-designed trial, but results depend on long-term follow-up and real-world compliance. The HPV test may detect more harmless infections, leading to unnecessary procedures.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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76,181 people
The number who actually took part.
- Start date
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Jan 2015
- Expected to finish
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Mar 2037
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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25 to 69 years
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Australian residents with a cervix, aged 25-69 years who are attending for routine cervical screening. (Note: since April 2016 recruitment has been confined to the younger strata, i.e. women age-eligible for HPV vaccination aged at least 25 and born on or after 1st July 1980, as the recruitment target of the older cohort was met). * Participants may have been previously enrolled in the Compass Pilot but must have been discharged to routine screening. Women may also be in follow-up management for a previous abnormality or unsatisfactory cytology. Exclusion Criteria: * Previous total hysterectomy (uterus and cervix). * The presence of symptoms or signs for which cervical cancer must be excluded. * Currently undergoing treatment for cervical cancer. * Currently enrolled in the Compass Pilot Study.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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VCS Foundation
Carlton, Victoria, 3053, Australia
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Ice pack on the belly may ease pain after keyhole hysterectomy