MATRix Regimen

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** A regimen consisting of high-dose methotrexate, high-dose cytarabine, thiotepa and rituximab that can be used in the treatment of central nervous system (CNS) lymphoma and as a conditioning regimen for autologous stem cell transplantation (ASCT).

**Synonyms:** - HD-MTX/HD-ARAC/Thiotepa/Rituximab - MATRix - MATRix - MATRix (rituximab-abbs) - MATRix (rituximab-arrx) - MATRix (rituximab-blit) - MATRix (rituximab-pvvr) - MATRix (rituximab-rite) - MATRix (rituximab-rixa) - MATRix (rituximab-rixi) - Methotrexate-Cytarabine-Thiotepa-Rituximab - Methotrexate/Cytarabine/Thiotepa/Rituximab