Therapy Detail

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Therapy Name Tofacitinib
Synonyms
Therapy Description

Xeljanz (tofacitinib) is a pan-JAK inhibitor, which decreases downstream signaling and potentially leads to reduced tumor cell growth (PMID: 26300391, PMID: 21106989). Xeljanz (tofacitinib) is FDA approved for rheumatoid arthritis (FDA.gov).

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Drug Name Trade Name Synonyms Drug Classes Drug Description
Tofacitinib Xeljanz Tasocitinib|CP-690550|CP-690,550 JAK Inhibitor (Pan) - ATP competitive 3 Xeljanz (tofacitinib) is a pan-JAK inhibitor, which decreases downstream signaling and potentially leads to reduced tumor cell growth (PMID: 26300391, PMID: 21106989). Xeljanz (tofacitinib) is FDA approved for rheumatoid arthritis (FDA.gov).

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
JAK3 V674A Advanced Solid Tumor sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, Xeljanz (tofacitinib) inhibited Jak3-Stat signaling and cell proliferation in transformed cells over expressing JAK3 V674A in culture (PMID: 26446793). 26446793
JAK3 L156P Advanced Solid Tumor sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, transformed human cells expressing JAK3 L156P in culture demonstrated decreased cell survival, increased G1 arrest, and reduced phosphorylation of Stat5a when treated with Xeljanz (tofacitinib) (PMID: 21821710). 21821710
JAK3 L857Q hematologic cancer sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing JAK3 L857Q were sensitive to treatment with Xeljanz (tofacitinib) in culture, demonstrating decreased cell proliferation (PMID: 31976485). 31976485
CSF3R S783fs chronic neutrophilic leukemia predicted - resistant Tofacitinib Preclinical - Patient cell culture Actionable In a preclinical study, cells derived from a patient with chronic neutrophilic leukemia harboring CSF3R S783fs did not respond to treatment with Xeljanz (tofacitinib) in culture (PMID: 23656643). 23656643
JAK3 A572V Advanced Solid Tumor sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, transformed human cells expressing JAK3 A572V in culture demonstrated decreased cell survival, increased G1 arrest, elevated apoptotic activity, and reduced phosphorylation of Stat5a when treated with Xeljanz (tofacitinib) (PMID: 21821710). 21821710
CEBPA mutant acute myeloid leukemia predicted - sensitive Tofacitinib Preclinical - Patient cell culture Actionable In a preclinical study, patient-derived acute myeloid leukemia (AML) cells harboring biallelic CEBPA mutations demonstrated increased sensitivity to Xeljanz (tofacitinib) compared to control AML cells in culture (PMID: 27034432). 27034432
JAK3 H583Y hematologic cancer sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, Xeljanz (tofacitinib, CP-690,550) decreased cell viability in transformed mouse Ba/F3 cells expressing Jak3 H538Y (PMID: 28284718). 28284718
JAK3 L857P Advanced Solid Tumor sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, Xeljanz (tofacitinib) inhibited Jak3-Stat signaling and cell proliferation in transformed cells over expressing JAK3 L857P in culture (PMID: 26446793). 26446793
JAK3 R172Q Advanced Solid Tumor sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, transformed human cells expressing JAK3 R172Q in culture demonstrated decreased cell survival, reduced phosphorylation of Stat5a, and G1 arrest when treated with Xeljanz (tofacitinib) (PMID: 21821710). 21821710
JAK3 L875H hematologic cancer predicted - sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing JAK3 L875H demonstrated some sensitivity to treatment with Xeljanz (tofacitinib) in culture, but were not as sensitive as cells expressing other JAK3 activating mutations (PMID: 31976485). 31976485
JAK3 T1022I Advanced Solid Tumor sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, Xeljanz (tofacitinib) inhibited viability of transformed cells expressing JAK2 T1022I in culture (PMID: 32639993). 32639993
JAK3 A573V hematologic cancer sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, Xeljanz (tofacitinib, CP-690,550) decreased cell viability in transformed mouse Ba/F3 cells expressing Jak3 A573V (PMID: 29046866). 29046866
JAK3 V722I Advanced Solid Tumor sensitive Tofacitinib Preclinical Actionable In a preclinical study, Xeljanz (tofacitinib) treatment converted cells expressing JAK3 V221I from factor-independent to factor-dependent growth in cell culture (PMID: 25146434). 25146434
BCOR mut RUNX1 mut acute myeloid leukemia predicted - sensitive Tofacitinib Preclinical - Patient cell culture Actionable In a preclinical study, co-occurrence of BCOR and RUNX1 mutations correlated with sensitivity to Xeljanz (tofacitinib) in patient-derived acute myeloid leukemia samples in an ex vivo assay (PMID: 30333627). 30333627
JAK3 M511I hematologic cancer sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, Xeljanz (tofacitinib, CP-690,550) decreased cell viability in transformed mouse Ba/F3 cells expressing Jak3 M511I (PMID: 29046866). 29046866
JAK3 G589D hematologic cancer sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, Xeljanz (tofacitinib, CP-690,550) decreased cell viability in transformed mouse Ba/F3 cells expressing Jak3 G589D (PMID: 28284718). 28284718
JAK3 Y100A JAK3 L857P Advanced Solid Tumor sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, Xeljanz (tofacitinib) inhibited Jak3-Stat signaling and cell proliferation in transformed cells over expressing both JAK3 L857P and Y100A in culture (PMID: 26446793). 26446793
JAK3 E183G Advanced Solid Tumor sensitive Tofacitinib Preclinical - Cell culture Actionable In a preclinical study, transformed human cells expressing JAK3 E183G in culture demonstrated decreased cell survival, increased G1 arrest, elevated apoptotic activity, and reduced phosphorylation of Stat5a when treated with Xeljanz (tofacitinib) (PMID: 21821710). 21821710
JAK3 A572V mature T-cell and NK-cell lymphoma sensitive Tofacitinib Preclinical Actionable In a preclinical study, Xeljanz (tofacitinib), a pan-JAK inhibitor, reduced cell viability and increased apoptosis in a JAK3 A572V mutant natural killer/T-cell lymphoma cell line (PMID: 22705984). 22705984

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Clinical Trial Phase Therapies Title Recruitment Status


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