What is the SCORPIO-PEP study?

Despite global COVID-19 vaccination efforts, different variants of SARS-CoV-2 have appeared. These new forms of the virus may spread more easily and reduce vaccine protection. There is risk of severe disease, hospitalization, and death in vaccinated people with underlying medical conditions. New treatments are needed to prevent the spread of COVID-19.

The SCORPIO-PEP study is being done to learn whether an investigational medicine, S-217622, can prevent COVID-19 in those exposed to it.

Understanding the SCORPIO-PEP study

Watch this video to learn more about the SCORPIO-PEP study.

Understanding Clinical Trials

Clinical studies are types of research studies done to learn more about how the body responds to a certain intervention and whether that intervention works for a specific disease or medical condition. Watch this video to learn more about clinical trials and how they work.

Watch the video

Who can participate?

There are two types of individuals who can join this study.

Participants

are those who:

Icon of a large purple 12 with an orange circle around it, Age Requirement

Are 12 years of age or older

Icon of a Covid-19 virus in a purple and orange gradient, Negative Covid-19 Test

Have a negative COVID-19 test

Icon of a purple house with an orange door and window, Agree to join within 72 hours of Covid-19 symptoms

Agree to join the study within 72 hours after the beginning of COVID-19 symptoms in the index patient

Icon of a piece of paper with lines on it represents an eDiary; Complete daily eDairy entries

Are willing to complete a patient diary

Index patients

are those who:

Two icons of people represent children and adults are able to be index patients for the Scorpio-Pep Study

Are children or adults of any age

Icon of a purple house with an orange door and window, Agree to join within 72 hours of Covid-19 symptoms

Was the first person within the household to test positive with COVID-19

Icon of a Covid-19 virus in a purple and orange gradient, Positive Covid-19 Test 72 hours or less after randomization

Have a positive COVID-19 test within 72 hours or less of randomization of the participant

Icon of a purple and orange clock, 1 Covid-19 symptom within 24 hours of consent or assent

Have at least 1 COVID-19 symptom within 24 hours of providing consent/assent

Join the study

What is the preventative study treatment?

The preventative treatment being studied is S-217622. S-217622 is an oral therapy taken by mouth for 5 days straight.

No preventative study treatment will be administered for index patients.

There will be two study treatment groups for participants in the SCORPIO-PEP study.

Illustration of a purple hand holding an orange pill, Group 1, S-217622

Group 1: S-217622

Illustration of a purple hand holding an orange pill, Group 2, Placebo, no active ingredient

Group 2: Placebo

(no active ingredient)

Find a study site

What happens during the study?

For index patients, the study duration is a minimum of 1 day and a maximum of 3 days.

For participants, the study consists of 3 parts: screening, study treatment, and follow-up.

The study duration is 28 days with 7 or 8 study visits.

Screening Period

Day 1
1 visit

You will be given a form that contains all the information about the study. Please ask the study doctor or study staff about anything you don’t understand or would like explained further. If you/your child agree to join, you will be asked to sign and date an Informed Consent Form before any tests or procedures are done. Adolescents will sign and date an Informed Assent Form. Health checks and tests will be done to see if the study is right for you/your child.

Study Treatment Period

Days 1 to 5
1 visit

If the study is right for you/your child, preventative study treatment will start. The first dose of preventative study treatment will be taken at the study site on Day 1. All other doses will be taken at home.

Participants will be asked to record their COVID-19 symptoms in a diary twice daily through Day 28. The diary should be completed at approximately the same times every day.

Follow-up Period

Days 6 to 28
5 visits

During follow-up there will be additional health checks and tests to monitor your safety.

Frequently Asked Questions

What kinds of tests and health checks can I expect?

Not every test will be done at every visit.

Ready to get started?

See if you may be a good fit for the SCORPIO-PEP study or find a study site near you.

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