Updated: Pfizer drops half of participants from Lyme trial after saying research contractor broke rules
Pfizer is removing about several thousand US participants from a Phase III Lyme disease trial because a contractor running some clinical sites violated quality standards, the drugmaker and its French biotech partner Valneva said Friday.
Pfizer said that about 7,000 people had been enrolled so far, and half will be removed. They’re being pulled because of violations of Good Clinical Practice (GCP) rules, which refer to the ethical and scientific standards for sites, the companies said in a press release.
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