Pfizer's mystery pill study halted before results
NCT ID NCT06137729
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage study aimed to check the safety and how the body processes a new experimental drug (PF-07899895) in healthy adults aged 18-65. Participants received either the drug or a placebo in different dosing schedules. The study was terminated early, so no results are available.
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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
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Pfizer Clinical Research Unit - Brussels
Brussels, Bruxelles-capitale, Région de, B-1070, Belgium
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