Pfizer tests drug interaction in tiny early study

NCT ID NCT07575945

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

Summary

This early-stage study looks at whether the antifungal itraconazole changes how the body handles a new drug called PF-08642534. Fourteen healthy adults will take the study drug with and without itraconazole. The goal is to see how the drug levels change, not to treat any disease.

What this could mean

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

Active substance
PF-08642534 and itraconazole
What this could lead to
If successful, this study will show whether itraconazole changes how PF-08642534 is processed, helping guide future dosing recommendations.
What could go wrong
This is a very early Phase 1 study in only 14 healthy people, so results may not predict effects in patients or reflect real-world use.

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

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As listed by the trial registrant

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

Contacts and locations

Locations

  • New Haven Clinical Research Unit

    New Haven, Connecticut, 06511, United States

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