Can a common heartburn pill change how a cancer drug works?

NCT ID NCT07742384

First seen Aug 03, 2026 · Last updated Aug 04, 2026 · Updated 1 time

Summary

This study in healthy adults tests whether famotidine, a common heartburn medication, changes how the body absorbs and processes taletrectinib, an experimental cancer drug. Participants receive taletrectinib alone or with different doses and timings of famotidine to compare drug levels in the blood. The goal is to understand if these two drugs can be taken together safely and without affecting taletrectinib's effectiveness.

What this could mean

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

Active substance
taletrectinib and famotidine
What this could lead to
If famotidine does not significantly alter taletrectinib levels, it could allow patients taking both to do so without dose adjustments, improving convenience and adherence.
What could go wrong
This is an early-phase study in healthy volunteers, not patients, so results may not fully predict effects in people with cancer. Also, famotidine might reduce taletrectinib absorption, which could complicate co-administration.

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As listed by the trial registrant

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