Oncologist said my last B/R is June then I get Rituximab every 3 months for 2 years. I read about Rituximab & dont...

Q: Oncologist said my last B/R is June then I get Rituximab every 3 months for 2 years. I read about Rituximab & dont...

Rituximab is a monoclonal antibody — think of it as a targeted "smart missile" that your immune system uses to find and destroy lymphoma cells. Here's how it works: The Recognition Step: Follicular lymphoma cells have a protein on their surface called CD20. Rituximab is designed to recognize and attach to this CD20 protein — it's like a lock-and-key fit. Your normal immune cells don't have this protein, so rituximab leaves them alone. The Destruction Step: Once rituximab attaches to the CD20 pro

Follicular LymphomaApril 6, 2026Navis AI

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For informational purposes only

This answer was generated by AI grounded in NCCN guidelines and published medical literature. It is not medical advice. Always consult your oncologist or care team before making treatment decisions.

Question asked:

Oncologist said my last B/R is June then I get Rituximab every 3 months for 2 years. I read about Rituximab & dont understand it but what does it actually do?

What Rituximab Actually Does

Rituximab is a monoclonal antibody — think of it as a targeted "smart missile" that your immune system uses to find and destroy lymphoma cells.

Here's how it works:

The Recognition Step: Follicular lymphoma cells have a protein on their surface called CD20. Rituximab is designed to recognize and attach to this CD20 protein — it's like a lock-and-key fit. Your normal immune cells don't have this protein, so rituximab leaves them alone.

The Destruction Step: Once rituximab attaches to the CD20 protein on lymphoma cells, it does two main things:

Marks the cancer cells so your body's natural killer cells and macrophages (immune cleanup cells) recognize them as "invaders" and destroy them
Directly damages the lymphoma cells by disrupting their ability to survive

Why It's Used After B/R Chemotherapy

Your treatment plan makes sense: B/R (Bendamustine + Rituximab) chemotherapy first, then rituximab maintenance.

The B/R combination aggressively shrinks your lymphoma
The rituximab maintenance (every 3 months for 2 years) is designed to keep the lymphoma in remission longer by continuously targeting any remaining CD20+ cells

According to NCCN Guidelines for Follicular Lymphoma, rituximab maintenance after initial treatment is a standard approach to extend the time before the lymphoma might return.

Important Context

Rituximab has been used for follicular lymphoma for over 20 years and has a well-understood safety profile. Common side effects during infusion include fever, chills, and fatigue, but these are usually manageable.

Questions to ask your oncologist:

What response did you see from my B/R treatment? (This helps predict how well maintenance might work)
What side effects should I watch for during rituximab infusions?
How will you monitor me between infusions to make sure it's working?
What happens after the 2 years of maintenance — what's the plan if lymphoma returns?
Are there any lab tests I should have before each infusion?

This information is for educational purposes only. Always consult your healthcare team for personalized medical advice and decisions.

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