1 INDICATIONS AND USAGE
Imatinib mesylate is a kinase inhibitor indicated for the treatment of:
Newly diagnosed adult and pediatric patients with Philadelphia chromosome positive chronic myeloid leukemia (Ph+ CML) in chronic phase.(1.1)
Patients with Philadelphia chromosome positive chronic myeloid leukemia (Ph+ CML) in blast crisis (BC), accelerated phase (AP), or in chronic phase (CP) after failure of interferon-alpha therapy. (1.2)
Adult patients with relapsed or refractory Philadelphia chromosome positive acute lymphoblastic leukemia (Ph+ ALL).(1.3)
Pediatric patients with newly diagnosed Philadelphia chromosome positive acute lymphoblastic leukemia (Ph+ ALL) in combination with chemotherapy. (1.4)
Adult patients with myelodysplastic/myeloproliferative diseases (MDS/MPD) associated with platelet-derived growth factor receptor (PDGFR) gene re-arrangements.(1.5)
Adult patients with aggressive systemic mastocytosis (ASM) without the D816V c-Kit mutationor with c-Kit mutational status unknown.(1.6)
Adult patients with hypereosinophilic syndrome (HES) and/or chronic eosinophilic leukemia (CEL) who have the FIP1L1-PDGFR fusion kinase (mutational analysis or fluorescence in situ hybridization [FISH] demonstration of CHIC2 allele deletion) and for patients with HES and/or CEL who are FIP1L1-PDGFR fusion kinase negative or unknown.(1.7)
Adult patients with unresectable, recurrent and/or metastatic dermatofibrosarcoma protuberans (DFSP). (1.8)
Patients with Kit (CD117) positive unresectable and/or metastatic malignant gastrointestinal stromal tumors (GIST). (1.9)
Adjuvant treatment of adult patients following resection of Kit (CD117) positive GIST. (1.10)
1.1	Newly Diagnosed Philadelphia Positive Chronic Myeloid Leukemia (Ph+ CML)
Newly diagnosed adult and pediatric patients with Philadelphia chromosome positive chronic myeloid leukemia (Ph+ CML) in chronic phase.
1.2	Ph+ CML in Blast Crisis (BC), Accelerated Phase (AP) or Chronic Phase (CP) After Interferon-alpha (IFN) Therapy
Patients with Philadelphia chromosome positive chronic myeloid leukemia in blast crisis, accelerated phase, or in chronic phase after failure of interferon-alpha therapy.
1.3 Adult Patients With Ph+ Acute Lymphoblastic Leukemia (ALL)
Adult patients with relapsed or refractory Philadelphia chromosome positive acute lymphoblastic leukemia (Ph+ ALL).
1.4 Pediatric Patients With Ph+ Acute Lymphoblastic Leukemia (ALL)
Pediatric patients with newly diagnosed Philadelphia chromosome positive acute lymphoblastic leukemia (Ph+ ALL) in combination with chemotherapy.
1.5	Myelodysplastic/Myeloproliferative Diseases (MDS/MPD)
Adult patients with myelodysplastic/myeloproliferative diseases associated withplatelet-derived growth factor receptor (PDGFR) gene re-arrangements.
1.6	Aggressive Systemic Mastocytosis (ASM)
Adult patients with aggressive systemic mastocytosis without the D816V c-Kit mutation or with c-Kit mutational status unknown.
1.7	Hypereosinophilic Syndrome (HES) and/or Chronic Eosinophilic Leukemia (CEL)
Adult patients with hypereosinophilic syndrome and/or chronic eosinophilic leukemia who have the FIP1L1-PDGFR fusion kinase (mutational analysis or fluorescence in situ hybridization [FISH] demonstration of CHIC2 allele deletion) and for patients with HES and/or CEL who are FIP1L1-PDGFR fusion kinase negative or unknown.
1.8	Dermatofibrosarcoma Protuberans (DFSP)
Adult patients with unresectable, recurrent and/or metastatic dermatofibrosarcoma protuberans.
1.9 Kit+ Gastrointestinal Stromal Tumors (GIST)
Patients with Kit (CD117) positive unresectable and/or metastatic malignant gastrointestinal stromal tumors.
1.10 Adjuvant Treatment of GIST
Adjuvant treatment of adult patients following complete gross resection of Kit (CD117) positive GIST.