BESREMi is the only FDA-approved polycythemia vera treatment that targets the bone marrow. View important safety info, prescribing info, and boxed warning. You need to enable JavaScript to run this app.

Learn how to use BESREMi, which is an at-home injection used once every 2 weeks. View important safety info, prescribing info, and boxed warning. You need to enable JavaScript to run this app.

See Full Prescribing and Safety Information including Boxed Warning for BESREMi. Get an injection placemat, tracker notepad, timer, and other tools in your Welcome Kit when you start BESREMi treatment.

Learn more about the possible side effects of BESREMi. View important safety info, prescribing info, and boxed warning.

What is the most important information I should know about BESREMi ®? BESREMi ® can cause serious side effects that may cause death or may worsen certain serious diseases that you may already have. Tell your healthcare provider right away if you have any serious side effects during treatment with BESREMi ®.

Your healthcare provider has prescribed BESREMi® (ropeginterferon alfa-2b-njft), an injectable medicine. This guide covers all you need to know about preparing and injecting BESREMi.

We're here to support you on your journey with polycythemia vera (PV) and BESREMi. Explore our downloadable guides and educational tools below to help you feel more confident and informed every step of the way.

BESREMi (bez-REH-me) is different from many other therapies for PV. • BESREMi is not a chemotherapy—it’s an innovative biologic interferon specifically designed to target PV at its source • Interferons are natural proteins that tell your immune system when cancer cells are present in your body and trigger immune cells to fight them

BESREMi es diferente a muchos otros tratamientos para la PV. • BESREMi no es una quimioterapia, es un interferón biológico innovador diseñado específicamente para actuar sobre la raíz de la PV • Los interferones son proteínas naturales que indican al sistema inmunitario cuándo hay células

BESREMi may harm your unborn baby and may cause loss of your pregnancy (miscarriage). — Before you start using BESREMi your healthcare provider should do a pregnancy test.