Screening vs. symptoms: which breast cancer detection leads to better life after treatment?

NCT ID NCT03877029

Completed Knowledge-focused Sponsor: Norwegian Institute of Public Health Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This completed study looked at over 4,400 women to compare long-term quality of life between those whose breast cancer was found through screening and those whose cancer was found through symptoms. Researchers measured quality of life at different times after diagnosis and also compared results to women who had screening but never had breast cancer. The goal is to understand how the way cancer is found affects side effects and overall well-being after treatment.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this research could help doctors understand whether finding breast cancer through screening leads to better quality of life after treatment compared to finding it through symptoms.
What could go wrong: This is an observational study, not a treatment trial, so it won't directly change patient care. Results may show differences but cannot prove cause and effect.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

BREAST CANCER

Contacts and locations

Locations

Cancer Registry of Norway

Oslo, Oslo, 0304, Norway

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Other studies related to the condition(s) this trial covers.