Eligibility Why Advancing Inclusive Research Matters Eligibility Questionnaire We are looking for people dedicated to improving PPMS treatment for all. Please answer the questions below to see if you may be eligible for the FENtrepid Study. Completing this questionnaire does not obligate you to participate in the study. Your answers will help determine if you may be eligible. If your answers indicate you may be eligible, you will have the opportunity to contact a clinic site near you to learn more about the study.1. Have you been diagnosed with primary progressive multiple sclerosis?(Required) Yes No 2. What is your current age?(Required)3. Are you able to walk?(Required) Yes No 4. Have you ever been treated with Cytoxan (cyclophosphamide), Lemtrada (alemtuzumab), Mavenclad (cladribine), Novantrone (Mitoxantrone), or Zinbryta (daclizumab)?(Required) Yes No I’m not sure 5. Do any of the following apply to you? (check all that apply)(Required) Pregnant or breastfeeding Cancer within the last 10 years (except skin cancers or cancer of the cervix) History of hepatitis B, hepatitis C or HIV History of a stroke or transient ischemic attack (TIA) Tumor of the brain or spinal cord Unable to get an MRI None of these apply to me