drugset / Trial / NCT05178654

Study to Investigate the Mass Balance, Metabolism, and Excretion of [14C]PF-07321332 in Healthy Male Participants.

NCT05178654 ↗

Phase 1 Withdrawn Pfizer
RandomizedSingle-groupOpen-labelBasic science

Summary

This study is to characterize mass balance and further the understanding of human pharmacokinetics, metabolism, and excretion of radiolabeled \[14C\]PF-07321332 in healthy male participants following oral administration with ritonavir.

Timeline

Start
2022-02-22
Primary completion
2022-04-01
Completion
2022-04-01

Outcome

Outcome not reported

Stopped: “Based on various healthy authorities feedback on PAXLOVID submission, this study is no longer required.”

Drugs

EvaluationDrugModalityDoseRoute
Subject Nirmatrelvir Small molecule 100 unknown Oral
Subject Nirmatrelvir Small molecule 300 mg Oral
Background Ritonavir Other / unclassified 100 mg —

Indications

No indication recorded.