Real-World data reveals palbociclib use in japanese breast cancer patients

NCT ID NCT05153187

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study analyzed medical records of 1,170 advanced breast cancer patients in Japan to see how they used the drug palbociclib (Ibrance). Researchers looked at blood test frequency and how long patients stayed on treatment. The goal was to describe real-world treatment patterns, not to test a new therapy.

What this could mean

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

Active substance

palbociclib (Ibrance)

What this could lead to

If successful, this could help doctors better understand how palbociclib is used in real-world settings, potentially improving treatment guidelines for advanced breast cancer in Japan.

What could go wrong

This is an observational study that only describes existing data, not testing a new treatment. It cannot prove what works best, and results may not apply outside Japan.

Disclaimer Read more

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.

breast cancer breast carcinoma breast neoplasm

As listed by the trial registrant

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

Contacts and locations

Locations

  • Pfizer Japan

    Tokyo, Japan