Can electronic health records replicate Gold-Standard cancer trials?
NCT ID NCT07178743
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This completed study looked at over 6,000 people with advanced breast cancer to see if information from electronic health records could match the results of a famous clinical trial called PALOMA-2. The goal was not to test a new drug, but to learn whether real-world data can be trusted to answer important medical questions. Researchers compared patients who started a combination of palbociclib and letrozole against those who started letrozole alone.
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 could show that real-world data can reliably reproduce clinical trial results, potentially speeding up future research.
What could go wrong
This is an observational emulation, not a new treatment test. It may not perfectly match the original trial's findings due to data limitations.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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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
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Locations
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Brigham and Women's Hospital
Boston, Massachusetts, 02120, United States