Mercaptopurine/Intrathecal Methotrexate/Oral Methotrexate Regimen

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** A regimen consisting of intrathecal methotrexate, oral methotrexate and mercaptopurine that can be used in the treatment of acute lymphoblastic leukemia (ALL). This regimen is part of the CALGB 8811 Larson regimen.

**Synonyms:** - Intrathecal Methotrexate-Mercaptopurine-Oral Methotrexate - Intrathecal Methotrexate/Mercaptopurine/Oral Methotrexate - Intrathecal Methotrexate/Oral Methotrexate/Mercaptopurine - Mercaptopurine-Intrathecal Methotrexate-Oral Methotrexate - Mercaptopurine/Intrathecal Methotrexate/Oral Methotrexate