How does Rituxan work for multiple sclerosis?
Sarah Smith
Published Jan 16, 2026
It works by killing B-cells, a type of immune cell that plays a central role in MS-driving inflammation. By destroying these cells, rituximab ultimately can reduce inflammation and nervous system damage in MS.
What does Rituxan do for multiple sclerosis?
Particularly, rituximab (RTX), a chimeric monoclonal antibody directed at CD20 positive B lymphocytes resulting in cell-mediated apoptosis, has been demonstrated to reduce inflammatory activity, incidence of relapses and new brain lesions on magnetic resonance imaging (MRI) in patients with relapsing–remitting MS (RRMS ...
How does Rituxan work for autoimmune?
Rituxan depletes B-cells, which can cause swelling and joint damage in people with autoimmune disorders, such as rheumatoid arthritis. It is also thought to work by depleting B-cells in patients with the autoimmune disorders granulomatosis with polyangiitis (GPA) and microscopic polyangiitis (MPA).
What is the difference between Rituxan and Ocrevus?
Rituximab and ocrelizumab are both monoclonal antiCD20 antibodies, but they differ in structure and effector mechanisms. Rituximab is a chimeric antibody, whilst ocrelizumab is a humanized IgG1 antibody that binds to a different, yet overlapping, epitope.
How long does it take to see results from Rituxan?
Rituximab works by lowering the number of these B-cells, to reduce inflammation, pain, swelling and joint damage. If rituximab works for you, you'll probably notice an improvement in your symptoms 8-16 weeks after you start treatment.
32 related questions foundHow long can you stay on Rituxan?
Rituxan can provide up to 6 months of symptom improvement from 1 course of treatment (2 infusions given 2 weeks apart). Be sure to talk with your doctor to find out if starting and continuing treatment with Rituxan is right for you.
What is the difference between Rituxan and rituximab?
Rituxan is the trade name for rituximab. In some cases, health care professionals may use the trade name rituxan when referring to the generic drug name rituximab. Drug type: Rituximab is a monoclonal antibody. (For more detail, see "How this drug works" section below).
What is the success rate of rituximab?
Rituximab with bendamustine (Treanda, Cephalon) was studied in a phase 2 trial in patients with relapsed disease. This combination was found to be very effective, with an ORR of 92%.
What are the long term effects of Rituxan?
Rituxan may increase your risk of a rare disease called progressive multifocal leukoencephalopathy (PML). In studies of people who received Rituxan, some developed PML up to 12 months after their last dose. PML is serious and can be life threatening. Reactivation of the hepatitis B virus.
What is the new injection for MS?
The U.S. Food and Drug Administration has approved Kesimpta® (ofatumumab, Novartis) as an injectable disease-modifying therapy for adults with relapsing forms of MS, including clinically isolated syndrome (an initial neurological episode), relapsing-remitting MS, and active secondary progressive MS.
How do you feel after Rituxan infusion?
After a Rituxan (rituximab) infusion you may experience certain side effects or adverse reactions that make you feel unwell. Rituxan affects different people in different ways, but the more common side effects include: Fever (high temperature), muscle aches, headaches and chills, which are signs of infection.
How many times can rituximab be given?
Administer RITUXAN as a single-agent every 8 weeks for 12 doses. Following completion of 6-8 cycles of CVP chemotherapy, administer once weekly for 4 doses at 6-month intervals to a maximum of 16 doses. Administer on Day 1 of each cycle of chemotherapy for up to 8 infusions.
What autoimmune diseases does rituximab treat?
Rituximab is approved for the treatment of non-Hodgkin's lymphoma (NHL), chronic lymphocytic leukemia (CLL), rheumatoid arthritis (RA) in combination with methotrexate, wegener's granulomatosis, and microscopic polyangiitis in combination with glucocorticoids.
How safe is Rituxan?
RITUXAN can cause serious side effects that can lead to death, including: Infusion-Related Reactions: Infusion-related reactions are very common side effects of RITUXAN treatment. Serious infusion-related reactions can happen during your infusion or within 24 hours after your infusion of RITUXAN.
Does rituximab lower immune system?
Rituximab suppresses the immune system. Therefore, serious fungal, bacterial, and new or reactivated viral infections (for example, hepatitis B or C, shingles) can occur during or after treatment with rituximab. Generally, rituximab is avoided in the presence of active, significant infections.
Does rituximab make you gain weight?
Weight gain or weight loss
Some people took Rituxan afterward and some people didn't take any medication. Of the people who took Rituxan after chemotherapy, 11% gained weight. In comparison, 4% of people who didn't take medication after chemotherapy gained weight.
Is rituximab an immunotherapy?
Rituximab was approved by the US Food and Drug Administration for use in DLBCL nearly 20 years ago. It was the first immunotherapy approved for specific use in cancer, and it quickly demonstrated a dramatic improvement in outcomes in patients with DLBCL when combined with chemotherapeutic agents.
Is Rituxan considered chemotherapy?
RITUXAN is not chemotherapy. RITUXAN is a type of antibody therapy that can be used alone or with chemotherapy. They work in different ways to find and attack the cells where cancer starts. RITUXAN targets and attaches to the CD20 protein found on the surface of blood cells with cancer and some healthy blood cells.
Is Rituxan hard on the kidneys?
Rituxan can cause severe kidney problems that lead to death. Your healthcare provider should do blood tests to check how well your kidneys are working.
How long does fatigue last after Rituxan infusion?
It would hit in week three. I would feel exhausted for about three weeks. My energy would improve and I would be back to normal in 8 – 10 weeks. I worked through all of the Rituxan treatments and took some kind of a walk every day.
What steroid is given with Rituxan?
PURPOSE: This phase II trial is studying the side effects and how well giving rituximab together with prednisone works as first-line therapy in treating patients with immune thrombocytopenic purpura.
Is Rituxan an infusion?
Rituxan must be given directly into the bloodstream in order for it to be effective. So instead of being taken as a pill or an injection, it is given as an infusion, which is a needle placed in a vein. Infusions are given by trained healthcare professionals.
Is Rituxan chemotherapy or immunotherapy?
Rituxan (rituximab) is a monoclonal antibody medication that treats different types of blood cancer. Rituxan is also an immunotherapy medication, meaning it helps make the immune system better at fighting cancer. Different Rituxan formulations and biosimilars are available.
Is rituximab a steroid?
Rituximab is an efficient and safe treatment in adults with steroid-dependent minimal change disease. Development of steroid dependency in patients with nephrotic syndrome may require a long-term multi-drug therapy at risk of drug toxicity and renal failure.
Is there an alternative to rituximab?
Ofatumumab is a feasible alternative anti-CD20 therapy in patients intolerant of rituximab.