ATGO Regimen

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** A regimen consisting of cytarabine (Ara-C), topotecan, and gemtuzumab ozogamicin that may be used as induction therapy in myelodysplastic syndrome (MDS) and for the treatment of secondary or relapsed acute myeloid leukemia (AML).

**Synonyms:** - ATGO - Ara-C/Topotecan/Gemtuzumab Ozogamicin - Cytarabine Plus Gemtuzumab Ozogamicin Plus Topotecan - Cytarabine-Topotecan-Gemtuzumab Ozogamicin - Cytarabine-Topotecan-Gemtuzumab Ozogamicin Regimen - Cytarabine/Gemtuzumab Ozogamicin/Topotecan