What You Can Expect

What happens during the study?

Before starting the study, you will need to read and sign an Informed Consent Form that documents your willingness to participate.

Screening Period

The study doctor will then collect information and run tests to see if you are eligible for the study. You will also be required to be up to date with certain vaccinations in order to lower your risk of infection.

Treatment Period

26 Weeks

If eligible, you will be randomly assigned to receive:

Study drug combination

(Investigational Study Drugs A + B)*

or

Eculizumab

During the Treatment Period, you will have study visits to check on your health.
Home healthcare or virtual visits may be available for certain visits.

*The first dose of Investigational Study Drug A is given as an infusion.

How are the treatments given?

The investigational study drugs are injected under the skin.
(The first dose of Investigational Study Drug A is given as an infusion).

The study staff may be able to train you or a caregiver on how to give your injections at home.

Eculizumab is given as infusions into a vein.

You may also be asked to take antibiotics every day while receiving the study drug treatment and for 1 year after your final dose to help lower the risk of infection (based on the advice of your doctor).