NCT05987072

A Study to Learn How the Study Medicine Called Sisunatovir is Tolerated and Acts in the Bodies of Chinese Healthy Adults.

A PHASE 1, OPEN-LABEL, SINGLE-ARM STUDY TO EVALUATE THE PHARMACOKINETICS, SAFETY, AND TOLERABILITY FOLLOWING SINGLE AND MULTIPLE DOSES OF SISUNATOVIR IN CHINESE HEALTHY PARTICIPANTS

• Status: Completed
• Phase: Phase 1
• Study type: Interventional
• Enrollment: 12 (actual)
• Sponsor: Pfizer · Industry
• Sex: All
• Age: 18 Years – 65 Years
• Healthy volunteers: Accepted

Summary

The purpose of the study is to learn about: * The activity of sisunotavir in the body over a period. It includes the processes by which sisunotavir is absorbed, distributed in the body, localized in the tissues, and removed from the body. * safety and tolerability of sisunatovir (PF-07923568) in Chinese healthy adult participants. This information is being collected to support further clinical development as well as medicine registration in China. This study is seeking for participants who: * are male and female participants aged 18 to 65 years of age. * are male and female participants who are healthy as seen by medical tests. * have body mass index (BMI) of 19 to 27 kg/m2 and a total body weight of more than 50 kilograms (110 pounds). About 12 participants will receive sisunatovir. Four capsules (strength=50 milligrams, 200 milligrams in total) of Sisunatovir will be given on Day 1 on empty stomach. This will be followed by 8 capsules of sisunatovir with 12 hours gap in between four capsules from Days 4 to 7. The participants will have to take 4 capsules of sisunatovir in the morning of 8th day with a meal. The total time of participants will be in the study is about 71 days. This includes the screening visit to the Follow-up contact. In screening visit, participants will be tested to see if they are fit to take part in the study.

Conditions

• Respiratory Syncytial Virus Infection

Interventions

Type	Name	Description
DRUG	Sisunatovir	Will be given as a single dose on Day 1 in a fasted state followed by repeated twice daily doses (200 mg BID, Q12 hours) from Days 4-7 plus 1 morning dose on Day 8 in a fed state

Timeline

• Start date: 2023-11-03
• Primary completion: 2023-12-31
• Completion: 2023-12-31
• First posted: 2023-08-14
• Last updated: 2025-02-24
• Results posted: 2025-02-24

Locations

3 sites across 1 country: China